BQS OBSP Determination:
1,1,1,2-TETRACHLOROETHANE
METHOD: 4054 , TESTIDCODE: 77562GCM66
Open Data Set

Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 109% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 112% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 99% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 110% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 100% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 94% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 94% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 100% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 108% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 93% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 109% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 104% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 92% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 109% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 100% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 102% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 115% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 101% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 101% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 96% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 96% Analysis Date = 08/24/01 Pct Recovery = 110% Analysis Date = 08/22/01 Pct Recovery = 109% Analysis Date = 08/22/01 Pct Recovery = 109% Analysis Date = 08/19/01 Pct Recovery = 109% Analysis Date = 08/19/01 Pct Recovery = 109% Analysis Date = 08/16/01 Pct Recovery = 109% Analysis Date = 08/16/01 Pct Recovery = 109% Analysis Date = 08/13/01 Pct Recovery = 109% Analysis Date = 08/13/01 Pct Recovery = 109% Analysis Date = 08/10/01 Pct Recovery = 109% Analysis Date = 08/10/01 Pct Recovery = 109% Analysis Date = 08/07/01 Pct Recovery = 109% Analysis Date = 08/07/01 Pct Recovery = 109% Analysis Date = 08/04/01 Pct Recovery = 109% Analysis Date = 08/04/01 Pct Recovery = 109% Analysis Date = 08/01/01 Pct Recovery = 109% Analysis Date = 08/01/01 Pct Recovery = 109% Analysis Date = 07/29/01 Pct Recovery = 109% Analysis Date = 07/29/01 Pct Recovery = 109% Analysis Date = 07/26/01 Pct Recovery = 109% Analysis Date = 07/26/01 Pct Recovery = 109% Analysis Date = 07/23/01 Pct Recovery = 109% Analysis Date = 07/23/01 Pct Recovery = 109% Analysis Date = 07/20/01 Pct Recovery = 109% Analysis Date = 07/20/01 Pct Recovery = 109% Analysis Date = 07/17/01 Pct Recovery = 109% Analysis Date = 07/17/01 Pct Recovery = 109% Analysis Date = 07/14/01 Pct Recovery = 109% Analysis Date = 07/14/01 Pct Recovery = 109% Analysis Date = 07/11/01 Pct Recovery = 109% Analysis Date = 07/11/01 Pct Recovery = 109% Analysis Date = 07/08/01 Pct Recovery = 109% Analysis Date = 07/08/01 Pct Recovery = 109% Analysis Date = 07/05/01 Pct Recovery = 109% Analysis Date = 07/05/01 Pct Recovery = 109% Analysis Date = 07/02/01 Pct Recovery = 109% Analysis Date = 07/02/01 Pct Recovery = 109% Analysis Date = 06/29/01 Pct Recovery = 108% Analysis Date = 06/29/01 Pct Recovery = 108% Analysis Date = 06/26/01 Pct Recovery = 108% Analysis Date = 06/26/01 Pct Recovery = 108% Analysis Date = 06/23/01 Pct Recovery = 108% Analysis Date = 06/23/01 Pct Recovery = 108% Analysis Date = 06/20/01 Pct Recovery = 108% Analysis Date = 06/20/01 Pct Recovery = 108% Analysis Date = 06/17/01 Pct Recovery = 108% Analysis Date = 06/17/01 Pct Recovery = 108% Analysis Date = 06/15/01 Pct Recovery = 108% Analysis Date = 06/15/01 Pct Recovery = 108% Analysis Date = 06/12/01 Pct Recovery = 108% Analysis Date = 06/12/01 Pct Recovery = 108% Analysis Date = 06/09/01 Pct Recovery = 108% Analysis Date = 06/09/01 Pct Recovery = 108% Analysis Date = 06/06/01 Pct Recovery = 108% Analysis Date = 06/06/01 Pct Recovery = 108% Analysis Date = 06/03/01 Pct Recovery = 108% Analysis Date = 06/03/01 Pct Recovery = 108% Analysis Date = 05/31/01 Pct Recovery = 108% Analysis Date = 05/31/01 Pct Recovery = 108% Analysis Date = 05/28/01 Pct Recovery = 108% Analysis Date = 05/28/01 Pct Recovery = 108% Analysis Date = 05/25/01 Pct Recovery = 108% Analysis Date = 05/25/01 Pct Recovery = 108% Analysis Date = 05/22/01 Pct Recovery = 108% Analysis Date = 05/22/01 Pct Recovery = 108% Analysis Date = 05/19/01 Pct Recovery = 108% Analysis Date = 05/19/01 Pct Recovery = 108% Analysis Date = 05/16/01 Pct Recovery = 108% Analysis Date = 05/16/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/10/01 Pct Recovery = 107% Analysis Date = 05/10/01 Pct Recovery = 107% Analysis Date = 05/07/01 Pct Recovery = 107% Analysis Date = 05/07/01 Pct Recovery = 107% Analysis Date = 05/04/01 Pct Recovery = 107% Analysis Date = 05/04/01 Pct Recovery = 107% Analysis Date = 05/01/01 Pct Recovery = 107% Analysis Date = 05/01/01 Pct Recovery = 107% Analysis Date = 04/28/01 Pct Recovery = 107% Analysis Date = 04/28/01 Pct Recovery = 107% Analysis Date = 04/25/01 Pct Recovery = 107% Analysis Date = 04/25/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/16/01 Pct Recovery = 107% Analysis Date = 04/16/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/10/01 Pct Recovery = 107% Analysis Date = 04/10/01 Pct Recovery = 107% Analysis Date = 04/08/01 Pct Recovery = 107% Analysis Date = 04/08/01 Pct Recovery = 107% Analysis Date = 04/05/01 Pct Recovery = 107% Analysis Date = 04/05/01 Pct Recovery = 107% Analysis Date = 04/02/01 Pct Recovery = 107% Analysis Date = 04/02/01 Pct Recovery = 107% Analysis Date = 03/30/01 Pct Recovery = 107% Analysis Date = 03/30/01 Pct Recovery = 107% Analysis Date = 03/27/01 Pct Recovery = 107% Analysis Date = 03/27/01 Pct Recovery = 107% Analysis Date = 03/24/01 Pct Recovery = 107% Analysis Date = 03/24/01 Pct Recovery = 107% Analysis Date = 03/21/01 Pct Recovery = 107% Analysis Date = 03/21/01 Pct Recovery = 107% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/12/01 Pct Recovery = 106% Analysis Date = 03/12/01 Pct Recovery = 106% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 02/28/01 Pct Recovery = 106% Analysis Date = 02/28/01 Pct Recovery = 106% Analysis Date = 02/25/01 Pct Recovery = 106% Analysis Date = 02/25/01 Pct Recovery = 106% Analysis Date = 02/22/01 Pct Recovery = 106% Analysis Date = 02/22/01 Pct Recovery = 106% Analysis Date = 02/19/01 Pct Recovery = 106% Analysis Date = 02/19/01 Pct Recovery = 106% Analysis Date = 02/16/01 Pct Recovery = 106% Analysis Date = 02/16/01 Pct Recovery = 106% Analysis Date = 02/13/01 Pct Recovery = 106% Analysis Date = 02/13/01 Pct Recovery = 106% Analysis Date = 02/10/01 Pct Recovery = 106% Analysis Date = 02/10/01 Pct Recovery = 106% Analysis Date = 02/07/01 Pct Recovery = 106% Analysis Date = 02/07/01 Pct Recovery = 106% Analysis Date = 02/04/01 Pct Recovery = 105% Analysis Date = 02/04/01 Pct Recovery = 105% Analysis Date = 02/01/01 Pct Recovery = 105% Analysis Date = 02/01/01 Pct Recovery = 105% Analysis Date = 01/30/01 Pct Recovery = 105% Analysis Date = 01/30/01 Pct Recovery = 105% Analysis Date = 01/27/01 Pct Recovery = 105% Analysis Date = 01/27/01 Pct Recovery = 105% Analysis Date = 01/24/01 Pct Recovery = 105% Analysis Date = 01/24/01 Pct Recovery = 105% Analysis Date = 01/21/01 Pct Recovery = 105% Analysis Date = 01/21/01 Pct Recovery = 105% Analysis Date = 01/18/01 Pct Recovery = 105% Analysis Date = 01/18/01 Pct Recovery = 105% Analysis Date = 01/15/01 Pct Recovery = 105% Analysis Date = 01/15/01 Pct Recovery = 105% Analysis Date = 01/12/01 Pct Recovery = 105% Analysis Date = 01/12/01 Pct Recovery = 105% Analysis Date = 01/09/01 Pct Recovery = 105% Analysis Date = 01/09/01 Pct Recovery = 105% Analysis Date = 01/06/01 Pct Recovery = 105% Analysis Date = 01/06/01 Pct Recovery = 105% Analysis Date = 01/03/01 Pct Recovery = 105% Analysis Date = 01/03/01 Pct Recovery = 105% Analysis Date = 12/31/00 Pct Recovery = 105% Analysis Date = 12/31/00 Pct Recovery = 105% Analysis Date = 12/28/00 Pct Recovery = 105% Analysis Date = 12/28/00 Pct Recovery = 105% Analysis Date = 12/25/00 Pct Recovery = 104% Analysis Date = 12/25/00 Pct Recovery = 104% Analysis Date = 12/22/00 Pct Recovery = 104% Analysis Date = 12/22/00 Pct Recovery = 104% Analysis Date = 12/19/00 Pct Recovery = 104% Analysis Date = 12/19/00 Pct Recovery = 104% Analysis Date = 12/16/00 Pct Recovery = 104% Analysis Date = 12/16/00 Pct Recovery = 104% Analysis Date = 12/13/00 Pct Recovery = 104% Analysis Date = 12/13/00 Pct Recovery = 104% Analysis Date = 12/10/00 Pct Recovery = 104% Analysis Date = 12/10/00 Pct Recovery = 104% Analysis Date = 12/07/00 Pct Recovery = 104% Analysis Date = 12/07/00 Pct Recovery = 104% Analysis Date = 12/04/00 Pct Recovery = 104% Analysis Date = 12/04/00 Pct Recovery = 104% Analysis Date = 12/01/00 Pct Recovery = 104% Analysis Date = 12/01/00 Pct Recovery = 104% Analysis Date = 11/28/00 Pct Recovery = 104% Analysis Date = 11/28/00 Pct Recovery = 104% Analysis Date = 11/25/00 Pct Recovery = 104% Analysis Date = 11/25/00 Pct Recovery = 104% Analysis Date = 11/23/00 Pct Recovery = 104% Analysis Date = 11/23/00 Pct Recovery = 104% Analysis Date = 11/20/00 Pct Recovery = 104% Analysis Date = 11/20/00 Pct Recovery = 104% Analysis Date = 11/17/00 Pct Recovery = 103% Analysis Date = 11/17/00 Pct Recovery = 103% Analysis Date = 11/14/00 Pct Recovery = 103% Analysis Date = 11/14/00 Pct Recovery = 103% Analysis Date = 11/11/00 Pct Recovery = 104% Analysis Date = 11/11/00 Pct Recovery = 104% Analysis Date = 11/08/00 Pct Recovery = 104% Analysis Date = 11/08/00 Pct Recovery = 104% Analysis Date = 11/05/00 Pct Recovery = 104% Analysis Date = 11/05/00 Pct Recovery = 104% Analysis Date = 11/02/00 Pct Recovery = 104% Analysis Date = 11/02/00 Pct Recovery = 104% Analysis Date = 10/30/00 Pct Recovery = 104% Analysis Date = 10/30/00 Pct Recovery = 104% Analysis Date = 10/27/00 Pct Recovery = 104% Analysis Date = 10/27/00 Pct Recovery = 104% Analysis Date = 10/24/00 Pct Recovery = 104% Analysis Date = 10/24/00 Pct Recovery = 104% Analysis Date = 10/21/00 Pct Recovery = 104% Analysis Date = 10/21/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 104% Analysis Date = 10/15/00 Pct Recovery = 104% Analysis Date = 10/15/00 Pct Recovery = 104% Analysis Date = 10/12/00 Pct Recovery = 104% Analysis Date = 10/12/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/06/00 Pct Recovery = 104% Analysis Date = 10/06/00 Pct Recovery = 104% Analysis Date = 10/03/00 Pct Recovery = 104% Analysis Date = 10/03/00 Pct Recovery = 104% Analysis Date = 09/30/00 Pct Recovery = 104% Analysis Date = 09/30/00 Pct Recovery = 104% Analysis Date = 09/27/00 Pct Recovery = 104% Analysis Date = 09/27/00 Pct Recovery = 104% Analysis Date = 09/24/00 Pct Recovery = 104% Analysis Date = 09/24/00 Pct Recovery = 104% Analysis Date = 09/21/00 Pct Recovery = 104% Analysis Date = 09/21/00 Pct Recovery = 104% Analysis Date = 09/18/00 Pct Recovery = 104% Analysis Date = 09/18/00 Pct Recovery = 104% Analysis Date = 09/15/00 Pct Recovery = 104% Analysis Date = 09/15/00 Pct Recovery = 104% Analysis Date = 09/13/00 Pct Recovery = 104% Analysis Date = 09/13/00 Pct Recovery = 104% Analysis Date = 09/10/00 Pct Recovery = 103% Analysis Date = 09/10/00 Pct Recovery = 103% Analysis Date = 09/07/00 Pct Recovery = 103% Analysis Date = 09/07/00 Pct Recovery = 103% Analysis Date = 09/04/00 Pct Recovery = 103% Analysis Date = 09/04/00 Pct Recovery = 103% Analysis Date = 09/01/00 Pct Recovery = 103% Analysis Date = 09/01/00 Pct Recovery = 103% Analysis Date = 08/29/00 Pct Recovery = 103% Analysis Date = 08/29/00 Pct Recovery = 103% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/20/00 Pct Recovery = 103% Analysis Date = 08/20/00 Pct Recovery = 103% Analysis Date = 08/17/00 Pct Recovery = 103% Analysis Date = 08/17/00 Pct Recovery = 103% Analysis Date = 08/14/00 Pct Recovery = 103% Analysis Date = 08/14/00 Pct Recovery = 103% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/27/00 Pct Recovery = 102% Analysis Date = 07/27/00 Pct Recovery = 102% Analysis Date = 07/24/00 Pct Recovery = 102% Analysis Date = 07/24/00 Pct Recovery = 102% Analysis Date = 07/21/00 Pct Recovery = 102% Analysis Date = 07/21/00 Pct Recovery = 102% Analysis Date = 07/18/00 Pct Recovery = 102% Analysis Date = 07/18/00 Pct Recovery = 102% Analysis Date = 07/15/00 Pct Recovery = 102% Analysis Date = 07/15/00 Pct Recovery = 102% Analysis Date = 07/12/00 Pct Recovery = 102% Analysis Date = 07/12/00 Pct Recovery = 102% Analysis Date = 07/09/00 Pct Recovery = 102% Analysis Date = 07/09/00 Pct Recovery = 102% Analysis Date = 07/07/00 Pct Recovery = 102% Analysis Date = 07/07/00 Pct Recovery = 102% Analysis Date = 07/04/00 Pct Recovery = 102% Analysis Date = 07/04/00 Pct Recovery = 102% Analysis Date = 07/01/00 Pct Recovery = 102% Analysis Date = 07/01/00 Pct Recovery = 102% Analysis Date = 06/28/00 Pct Recovery = 102% Analysis Date = 06/28/00 Pct Recovery = 102% Analysis Date = 06/25/00 Pct Recovery = 102% Analysis Date = 06/25/00 Pct Recovery = 102% Analysis Date = 06/22/00 Pct Recovery = 102% Analysis Date = 06/22/00 Pct Recovery = 102% Analysis Date = 06/19/00 Pct Recovery = 102% Analysis Date = 06/19/00 Pct Recovery = 102% Analysis Date = 06/16/00 Pct Recovery = 102% Analysis Date = 06/16/00 Pct Recovery = 102% Analysis Date = 06/13/00 Pct Recovery = 102% Analysis Date = 06/13/00 Pct Recovery = 102% Analysis Date = 06/10/00 Pct Recovery = 102% Analysis Date = 06/10/00 Pct Recovery = 102% Analysis Date = 06/07/00 Pct Recovery = 102% Analysis Date = 06/07/00 Pct Recovery = 102% Analysis Date = 06/04/00 Pct Recovery = 102% Analysis Date = 06/04/00 Pct Recovery = 102% Analysis Date = 06/01/00 Pct Recovery = 102% Analysis Date = 06/01/00 Pct Recovery = 102% Analysis Date = 05/29/00 Pct Recovery = 102% Analysis Date = 05/29/00 Pct Recovery = 102% Analysis Date = 05/26/00 Pct Recovery = 102% Analysis Date = 05/26/00 Pct Recovery = 102% Analysis Date = 05/23/00 Pct Recovery = 102% Analysis Date = 05/23/00 Pct Recovery = 102% Analysis Date = 05/20/00 Pct Recovery = 102% Analysis Date = 05/20/00 Pct Recovery = 102% Analysis Date = 05/17/00 Pct Recovery = 102% Analysis Date = 05/17/00 Pct Recovery = 102% Analysis Date = 05/14/00 Pct Recovery = 102% Analysis Date = 05/14/00 Pct Recovery = 102% Analysis Date = 05/11/00 Pct Recovery = 102% Analysis Date = 05/11/00 Pct Recovery = 102% Analysis Date = 05/08/00 Pct Recovery = 102% Analysis Date = 05/08/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/24/00 Pct Recovery = 102% Analysis Date = 04/24/00 Pct Recovery = 102% Analysis Date = 04/21/00 Pct Recovery = 102% Analysis Date = 04/21/00 Pct Recovery = 102% Analysis Date = 04/18/00 Pct Recovery = 101% Analysis Date = 04/18/00 Pct Recovery = 101% Analysis Date = 04/15/00 Pct Recovery = 101% Analysis Date = 04/15/00 Pct Recovery = 101% Analysis Date = 04/12/00 Pct Recovery = 101% Analysis Date = 04/12/00 Pct Recovery = 101% Analysis Date = 04/09/00 Pct Recovery = 100% Analysis Date = 04/09/00 Pct Recovery = 100% Analysis Date = 04/06/00 Pct Recovery = 100% Analysis Date = 04/06/00 Pct Recovery = 100% Analysis Date = 04/03/00 Pct Recovery = 99% Analysis Date = 04/03/00 Pct Recovery = 99% Analysis Date = 03/31/00 Pct Recovery = 99% Analysis Date = 03/31/00 Pct Recovery = 99% Analysis Date = 03/28/00 Pct Recovery = 98% Analysis Date = 03/28/00 Pct Recovery = 98% Analysis Date = 03/25/00 Pct Recovery = 98% Analysis Date = 03/25/00 Pct Recovery = 98% Analysis Date = 03/22/00 Pct Recovery = 98% Analysis Date = 03/22/00 Pct Recovery = 98% Analysis Date = 03/19/00 Pct Recovery = 98% Analysis Date = 03/19/00 Pct Recovery = 98% Analysis Date = 03/16/00 Pct Recovery = 98% Analysis Date = 03/16/00 Pct Recovery = 98% Analysis Date = 03/13/00 Pct Recovery = 98% Analysis Date = 03/13/00 Pct Recovery = 98% Analysis Date = 03/10/00 Pct Recovery = 98% Analysis Date = 03/10/00 Pct Recovery = 98% Analysis Date = 03/07/00 Pct Recovery = 98% Analysis Date = 03/07/00 Pct Recovery = 98% Analysis Date = 03/04/00 Pct Recovery = 98% Analysis Date = 03/04/00 Pct Recovery = 98% Analysis Date = 03/01/00 Pct Recovery = 98% Analysis Date = 03/01/00 Pct Recovery = 98% Analysis Date = 02/27/00 Pct Recovery = 98% Analysis Date = 02/27/00 Pct Recovery = 98% Analysis Date = 02/24/00 Pct Recovery = 98% Analysis Date = 02/24/00 Pct Recovery = 98% Analysis Date = 02/22/00 Pct Recovery = 99% Analysis Date = 02/22/00 Pct Recovery = 99% Analysis Date = 02/19/00 Pct Recovery = 99% Analysis Date = 02/19/00 Pct Recovery = 99% Analysis Date = 02/16/00 Pct Recovery = 99% Analysis Date = 02/16/00 Pct Recovery = 99% Analysis Date = 02/13/00 Pct Recovery = 99% Analysis Date = 02/13/00 Pct Recovery = 99% Analysis Date = 02/10/00 Pct Recovery = 100% Analysis Date = 02/10/00 Pct Recovery = 100% Analysis Date = 02/07/00 Pct Recovery = 100% Analysis Date = 02/07/00 Pct Recovery = 100% Analysis Date = 02/04/00 Pct Recovery = 100% Analysis Date = 02/04/00 Pct Recovery = 100% Analysis Date = 02/01/00 Pct Recovery = 101% Analysis Date = 02/01/00 Pct Recovery = 101% Analysis Date = 01/29/00 Pct Recovery = 101% Analysis Date = 01/29/00 Pct Recovery = 101% Analysis Date = 01/26/00 Pct Recovery = 101% Analysis Date = 01/26/00 Pct Recovery = 101% Analysis Date = 01/23/00 Pct Recovery = 101% Analysis Date = 01/23/00 Pct Recovery = 101% Analysis Date = 01/20/00 Pct Recovery = 102% Analysis Date = 01/20/00 Pct Recovery = 102% Analysis Date = 01/17/00 Pct Recovery = 102% Analysis Date = 01/17/00 Pct Recovery = 102% Analysis Date = 01/14/00 Pct Recovery = 102% Analysis Date = 01/14/00 Pct Recovery = 102% Analysis Date = 01/11/00 Pct Recovery = 103% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,1,1,2-TETRACHLOROETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 102% 7% 101% 10%
Total 21 102% 7% 101% 10%

Sample Statistics
1,1,1,2-TETRACHLOROETHANE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
1,1,1-TRICHLOROETHANE
METHOD: 4054 , TESTIDCODE: 34506GCM66
Open Data Set

Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 108% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 104% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 97% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 104% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 104% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 104% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 92% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 112% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 106% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 90% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 114% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 111% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 96% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 107% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 89% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 108% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 119% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 109% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 107% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 106% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 104% Analysis Date = 08/24/01 Pct Recovery = 100% Analysis Date = 08/22/01 Pct Recovery = 100% Analysis Date = 08/22/01 Pct Recovery = 100% Analysis Date = 08/19/01 Pct Recovery = 100% Analysis Date = 08/19/01 Pct Recovery = 100% Analysis Date = 08/16/01 Pct Recovery = 100% Analysis Date = 08/16/01 Pct Recovery = 100% Analysis Date = 08/13/01 Pct Recovery = 100% Analysis Date = 08/13/01 Pct Recovery = 100% Analysis Date = 08/10/01 Pct Recovery = 100% Analysis Date = 08/10/01 Pct Recovery = 100% Analysis Date = 08/07/01 Pct Recovery = 101% Analysis Date = 08/07/01 Pct Recovery = 101% Analysis Date = 08/04/01 Pct Recovery = 101% Analysis Date = 08/04/01 Pct Recovery = 101% Analysis Date = 08/01/01 Pct Recovery = 101% Analysis Date = 08/01/01 Pct Recovery = 101% Analysis Date = 07/29/01 Pct Recovery = 101% Analysis Date = 07/29/01 Pct Recovery = 101% Analysis Date = 07/26/01 Pct Recovery = 101% Analysis Date = 07/26/01 Pct Recovery = 101% Analysis Date = 07/23/01 Pct Recovery = 101% Analysis Date = 07/23/01 Pct Recovery = 101% Analysis Date = 07/20/01 Pct Recovery = 101% Analysis Date = 07/20/01 Pct Recovery = 101% Analysis Date = 07/17/01 Pct Recovery = 101% Analysis Date = 07/17/01 Pct Recovery = 101% Analysis Date = 07/14/01 Pct Recovery = 101% Analysis Date = 07/14/01 Pct Recovery = 101% Analysis Date = 07/11/01 Pct Recovery = 101% Analysis Date = 07/11/01 Pct Recovery = 101% Analysis Date = 07/08/01 Pct Recovery = 101% Analysis Date = 07/08/01 Pct Recovery = 101% Analysis Date = 07/05/01 Pct Recovery = 101% Analysis Date = 07/05/01 Pct Recovery = 101% Analysis Date = 07/02/01 Pct Recovery = 101% Analysis Date = 07/02/01 Pct Recovery = 101% Analysis Date = 06/29/01 Pct Recovery = 101% Analysis Date = 06/29/01 Pct Recovery = 101% Analysis Date = 06/26/01 Pct Recovery = 101% Analysis Date = 06/26/01 Pct Recovery = 101% Analysis Date = 06/23/01 Pct Recovery = 101% Analysis Date = 06/23/01 Pct Recovery = 101% Analysis Date = 06/20/01 Pct Recovery = 101% Analysis Date = 06/20/01 Pct Recovery = 101% Analysis Date = 06/17/01 Pct Recovery = 101% Analysis Date = 06/17/01 Pct Recovery = 101% Analysis Date = 06/15/01 Pct Recovery = 101% Analysis Date = 06/15/01 Pct Recovery = 101% Analysis Date = 06/12/01 Pct Recovery = 101% Analysis Date = 06/12/01 Pct Recovery = 101% Analysis Date = 06/09/01 Pct Recovery = 102% Analysis Date = 06/09/01 Pct Recovery = 102% Analysis Date = 06/06/01 Pct Recovery = 102% Analysis Date = 06/06/01 Pct Recovery = 102% Analysis Date = 06/03/01 Pct Recovery = 102% Analysis Date = 06/03/01 Pct Recovery = 102% Analysis Date = 05/31/01 Pct Recovery = 102% Analysis Date = 05/31/01 Pct Recovery = 102% Analysis Date = 05/28/01 Pct Recovery = 102% Analysis Date = 05/28/01 Pct Recovery = 102% Analysis Date = 05/25/01 Pct Recovery = 102% Analysis Date = 05/25/01 Pct Recovery = 102% Analysis Date = 05/22/01 Pct Recovery = 102% Analysis Date = 05/22/01 Pct Recovery = 102% Analysis Date = 05/19/01 Pct Recovery = 102% Analysis Date = 05/19/01 Pct Recovery = 102% Analysis Date = 05/16/01 Pct Recovery = 102% Analysis Date = 05/16/01 Pct Recovery = 102% Analysis Date = 05/13/01 Pct Recovery = 102% Analysis Date = 05/13/01 Pct Recovery = 102% Analysis Date = 05/10/01 Pct Recovery = 102% Analysis Date = 05/10/01 Pct Recovery = 102% Analysis Date = 05/07/01 Pct Recovery = 102% Analysis Date = 05/07/01 Pct Recovery = 102% Analysis Date = 05/04/01 Pct Recovery = 102% Analysis Date = 05/04/01 Pct Recovery = 102% Analysis Date = 05/01/01 Pct Recovery = 102% Analysis Date = 05/01/01 Pct Recovery = 102% Analysis Date = 04/28/01 Pct Recovery = 102% Analysis Date = 04/28/01 Pct Recovery = 102% Analysis Date = 04/25/01 Pct Recovery = 102% Analysis Date = 04/25/01 Pct Recovery = 102% Analysis Date = 04/22/01 Pct Recovery = 102% Analysis Date = 04/22/01 Pct Recovery = 102% Analysis Date = 04/19/01 Pct Recovery = 102% Analysis Date = 04/19/01 Pct Recovery = 102% Analysis Date = 04/16/01 Pct Recovery = 102% Analysis Date = 04/16/01 Pct Recovery = 102% Analysis Date = 04/13/01 Pct Recovery = 102% Analysis Date = 04/13/01 Pct Recovery = 102% Analysis Date = 04/10/01 Pct Recovery = 102% Analysis Date = 04/10/01 Pct Recovery = 102% Analysis Date = 04/08/01 Pct Recovery = 103% Analysis Date = 04/08/01 Pct Recovery = 103% Analysis Date = 04/05/01 Pct Recovery = 103% Analysis Date = 04/05/01 Pct Recovery = 103% Analysis Date = 04/02/01 Pct Recovery = 103% Analysis Date = 04/02/01 Pct Recovery = 103% Analysis Date = 03/30/01 Pct Recovery = 103% Analysis Date = 03/30/01 Pct Recovery = 103% Analysis Date = 03/27/01 Pct Recovery = 103% Analysis Date = 03/27/01 Pct Recovery = 103% Analysis Date = 03/24/01 Pct Recovery = 103% Analysis Date = 03/24/01 Pct Recovery = 103% Analysis Date = 03/21/01 Pct Recovery = 103% Analysis Date = 03/21/01 Pct Recovery = 103% Analysis Date = 03/18/01 Pct Recovery = 103% Analysis Date = 03/18/01 Pct Recovery = 103% Analysis Date = 03/15/01 Pct Recovery = 103% Analysis Date = 03/15/01 Pct Recovery = 103% Analysis Date = 03/12/01 Pct Recovery = 103% Analysis Date = 03/12/01 Pct Recovery = 103% Analysis Date = 03/09/01 Pct Recovery = 103% Analysis Date = 03/09/01 Pct Recovery = 103% Analysis Date = 03/06/01 Pct Recovery = 103% Analysis Date = 03/06/01 Pct Recovery = 103% Analysis Date = 03/03/01 Pct Recovery = 103% Analysis Date = 03/03/01 Pct Recovery = 103% Analysis Date = 02/28/01 Pct Recovery = 103% Analysis Date = 02/28/01 Pct Recovery = 103% Analysis Date = 02/25/01 Pct Recovery = 103% Analysis Date = 02/25/01 Pct Recovery = 103% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/19/01 Pct Recovery = 103% Analysis Date = 02/19/01 Pct Recovery = 103% Analysis Date = 02/16/01 Pct Recovery = 103% Analysis Date = 02/16/01 Pct Recovery = 103% Analysis Date = 02/13/01 Pct Recovery = 103% Analysis Date = 02/13/01 Pct Recovery = 103% Analysis Date = 02/10/01 Pct Recovery = 103% Analysis Date = 02/10/01 Pct Recovery = 103% Analysis Date = 02/07/01 Pct Recovery = 103% Analysis Date = 02/07/01 Pct Recovery = 103% Analysis Date = 02/04/01 Pct Recovery = 103% Analysis Date = 02/04/01 Pct Recovery = 103% Analysis Date = 02/01/01 Pct Recovery = 103% Analysis Date = 02/01/01 Pct Recovery = 103% Analysis Date = 01/30/01 Pct Recovery = 103% Analysis Date = 01/30/01 Pct Recovery = 103% Analysis Date = 01/27/01 Pct Recovery = 103% Analysis Date = 01/27/01 Pct Recovery = 103% Analysis Date = 01/24/01 Pct Recovery = 104% Analysis Date = 01/24/01 Pct Recovery = 104% Analysis Date = 01/21/01 Pct Recovery = 104% Analysis Date = 01/21/01 Pct Recovery = 104% Analysis Date = 01/18/01 Pct Recovery = 104% Analysis Date = 01/18/01 Pct Recovery = 104% Analysis Date = 01/15/01 Pct Recovery = 104% Analysis Date = 01/15/01 Pct Recovery = 104% Analysis Date = 01/12/01 Pct Recovery = 104% Analysis Date = 01/12/01 Pct Recovery = 104% Analysis Date = 01/09/01 Pct Recovery = 104% Analysis Date = 01/09/01 Pct Recovery = 104% Analysis Date = 01/06/01 Pct Recovery = 104% Analysis Date = 01/06/01 Pct Recovery = 104% Analysis Date = 01/03/01 Pct Recovery = 104% Analysis Date = 01/03/01 Pct Recovery = 104% Analysis Date = 12/31/00 Pct Recovery = 104% Analysis Date = 12/31/00 Pct Recovery = 104% Analysis Date = 12/28/00 Pct Recovery = 104% Analysis Date = 12/28/00 Pct Recovery = 104% Analysis Date = 12/25/00 Pct Recovery = 104% Analysis Date = 12/25/00 Pct Recovery = 104% Analysis Date = 12/22/00 Pct Recovery = 104% Analysis Date = 12/22/00 Pct Recovery = 104% Analysis Date = 12/19/00 Pct Recovery = 104% Analysis Date = 12/19/00 Pct Recovery = 104% Analysis Date = 12/16/00 Pct Recovery = 104% Analysis Date = 12/16/00 Pct Recovery = 104% Analysis Date = 12/13/00 Pct Recovery = 104% Analysis Date = 12/13/00 Pct Recovery = 104% Analysis Date = 12/10/00 Pct Recovery = 104% Analysis Date = 12/10/00 Pct Recovery = 104% Analysis Date = 12/07/00 Pct Recovery = 104% Analysis Date = 12/07/00 Pct Recovery = 104% Analysis Date = 12/04/00 Pct Recovery = 104% Analysis Date = 12/04/00 Pct Recovery = 104% Analysis Date = 12/01/00 Pct Recovery = 104% Analysis Date = 12/01/00 Pct Recovery = 104% Analysis Date = 11/28/00 Pct Recovery = 104% Analysis Date = 11/28/00 Pct Recovery = 104% Analysis Date = 11/25/00 Pct Recovery = 104% Analysis Date = 11/25/00 Pct Recovery = 104% Analysis Date = 11/23/00 Pct Recovery = 104% Analysis Date = 11/23/00 Pct Recovery = 104% Analysis Date = 11/20/00 Pct Recovery = 104% Analysis Date = 11/20/00 Pct Recovery = 104% Analysis Date = 11/17/00 Pct Recovery = 104% Analysis Date = 11/17/00 Pct Recovery = 104% Analysis Date = 11/14/00 Pct Recovery = 104% Analysis Date = 11/14/00 Pct Recovery = 104% Analysis Date = 11/11/00 Pct Recovery = 104% Analysis Date = 11/11/00 Pct Recovery = 104% Analysis Date = 11/08/00 Pct Recovery = 104% Analysis Date = 11/08/00 Pct Recovery = 104% Analysis Date = 11/05/00 Pct Recovery = 104% Analysis Date = 11/05/00 Pct Recovery = 104% Analysis Date = 11/02/00 Pct Recovery = 104% Analysis Date = 11/02/00 Pct Recovery = 104% Analysis Date = 10/30/00 Pct Recovery = 104% Analysis Date = 10/30/00 Pct Recovery = 104% Analysis Date = 10/27/00 Pct Recovery = 104% Analysis Date = 10/27/00 Pct Recovery = 104% Analysis Date = 10/24/00 Pct Recovery = 104% Analysis Date = 10/24/00 Pct Recovery = 104% Analysis Date = 10/21/00 Pct Recovery = 104% Analysis Date = 10/21/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 104% Analysis Date = 10/15/00 Pct Recovery = 104% Analysis Date = 10/15/00 Pct Recovery = 104% Analysis Date = 10/12/00 Pct Recovery = 104% Analysis Date = 10/12/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/06/00 Pct Recovery = 104% Analysis Date = 10/06/00 Pct Recovery = 104% Analysis Date = 10/03/00 Pct Recovery = 104% Analysis Date = 10/03/00 Pct Recovery = 104% Analysis Date = 09/30/00 Pct Recovery = 104% Analysis Date = 09/30/00 Pct Recovery = 104% Analysis Date = 09/27/00 Pct Recovery = 104% Analysis Date = 09/27/00 Pct Recovery = 104% Analysis Date = 09/24/00 Pct Recovery = 104% Analysis Date = 09/24/00 Pct Recovery = 104% Analysis Date = 09/21/00 Pct Recovery = 104% Analysis Date = 09/21/00 Pct Recovery = 104% Analysis Date = 09/18/00 Pct Recovery = 104% Analysis Date = 09/18/00 Pct Recovery = 104% Analysis Date = 09/15/00 Pct Recovery = 104% Analysis Date = 09/15/00 Pct Recovery = 104% Analysis Date = 09/13/00 Pct Recovery = 104% Analysis Date = 09/13/00 Pct Recovery = 104% Analysis Date = 09/10/00 Pct Recovery = 104% Analysis Date = 09/10/00 Pct Recovery = 104% Analysis Date = 09/07/00 Pct Recovery = 104% Analysis Date = 09/07/00 Pct Recovery = 104% Analysis Date = 09/04/00 Pct Recovery = 104% Analysis Date = 09/04/00 Pct Recovery = 104% Analysis Date = 09/01/00 Pct Recovery = 104% Analysis Date = 09/01/00 Pct Recovery = 104% Analysis Date = 08/29/00 Pct Recovery = 104% Analysis Date = 08/29/00 Pct Recovery = 104% Analysis Date = 08/26/00 Pct Recovery = 104% Analysis Date = 08/26/00 Pct Recovery = 104% Analysis Date = 08/23/00 Pct Recovery = 104% Analysis Date = 08/23/00 Pct Recovery = 104% Analysis Date = 08/20/00 Pct Recovery = 104% Analysis Date = 08/20/00 Pct Recovery = 104% Analysis Date = 08/17/00 Pct Recovery = 104% Analysis Date = 08/17/00 Pct Recovery = 104% Analysis Date = 08/14/00 Pct Recovery = 104% Analysis Date = 08/14/00 Pct Recovery = 104% Analysis Date = 08/11/00 Pct Recovery = 104% Analysis Date = 08/11/00 Pct Recovery = 104% Analysis Date = 08/08/00 Pct Recovery = 104% Analysis Date = 08/08/00 Pct Recovery = 104% Analysis Date = 08/05/00 Pct Recovery = 104% Analysis Date = 08/05/00 Pct Recovery = 104% Analysis Date = 08/02/00 Pct Recovery = 104% Analysis Date = 08/02/00 Pct Recovery = 104% Analysis Date = 07/30/00 Pct Recovery = 104% Analysis Date = 07/30/00 Pct Recovery = 104% Analysis Date = 07/27/00 Pct Recovery = 104% Analysis Date = 07/27/00 Pct Recovery = 104% Analysis Date = 07/24/00 Pct Recovery = 104% Analysis Date = 07/24/00 Pct Recovery = 104% Analysis Date = 07/21/00 Pct Recovery = 104% Analysis Date = 07/21/00 Pct Recovery = 104% Analysis Date = 07/18/00 Pct Recovery = 104% Analysis Date = 07/18/00 Pct Recovery = 104% Analysis Date = 07/15/00 Pct Recovery = 104% Analysis Date = 07/15/00 Pct Recovery = 104% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/09/00 Pct Recovery = 104% Analysis Date = 07/09/00 Pct Recovery = 104% Analysis Date = 07/07/00 Pct Recovery = 104% Analysis Date = 07/07/00 Pct Recovery = 104% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 07/01/00 Pct Recovery = 104% Analysis Date = 07/01/00 Pct Recovery = 104% Analysis Date = 06/28/00 Pct Recovery = 104% Analysis Date = 06/28/00 Pct Recovery = 104% Analysis Date = 06/25/00 Pct Recovery = 104% Analysis Date = 06/25/00 Pct Recovery = 104% Analysis Date = 06/22/00 Pct Recovery = 104% Analysis Date = 06/22/00 Pct Recovery = 104% Analysis Date = 06/19/00 Pct Recovery = 104% Analysis Date = 06/19/00 Pct Recovery = 104% Analysis Date = 06/16/00 Pct Recovery = 105% Analysis Date = 06/16/00 Pct Recovery = 105% Analysis Date = 06/13/00 Pct Recovery = 105% Analysis Date = 06/13/00 Pct Recovery = 105% Analysis Date = 06/10/00 Pct Recovery = 105% Analysis Date = 06/10/00 Pct Recovery = 105% Analysis Date = 06/07/00 Pct Recovery = 105% Analysis Date = 06/07/00 Pct Recovery = 105% Analysis Date = 06/04/00 Pct Recovery = 105% Analysis Date = 06/04/00 Pct Recovery = 105% Analysis Date = 06/01/00 Pct Recovery = 105% Analysis Date = 06/01/00 Pct Recovery = 105% Analysis Date = 05/29/00 Pct Recovery = 105% Analysis Date = 05/29/00 Pct Recovery = 105% Analysis Date = 05/26/00 Pct Recovery = 105% Analysis Date = 05/26/00 Pct Recovery = 105% Analysis Date = 05/23/00 Pct Recovery = 105% Analysis Date = 05/23/00 Pct Recovery = 105% Analysis Date = 05/20/00 Pct Recovery = 106% Analysis Date = 05/20/00 Pct Recovery = 106% Analysis Date = 05/17/00 Pct Recovery = 106% Analysis Date = 05/17/00 Pct Recovery = 106% Analysis Date = 05/14/00 Pct Recovery = 106% Analysis Date = 05/14/00 Pct Recovery = 106% Analysis Date = 05/11/00 Pct Recovery = 106% Analysis Date = 05/11/00 Pct Recovery = 106% Analysis Date = 05/08/00 Pct Recovery = 106% Analysis Date = 05/08/00 Pct Recovery = 106% Analysis Date = 05/05/00 Pct Recovery = 106% Analysis Date = 05/05/00 Pct Recovery = 106% Analysis Date = 05/02/00 Pct Recovery = 106% Analysis Date = 05/02/00 Pct Recovery = 106% Analysis Date = 04/30/00 Pct Recovery = 106% Analysis Date = 04/30/00 Pct Recovery = 106% Analysis Date = 04/27/00 Pct Recovery = 106% Analysis Date = 04/27/00 Pct Recovery = 106% Analysis Date = 04/24/00 Pct Recovery = 106% Analysis Date = 04/24/00 Pct Recovery = 106% Analysis Date = 04/21/00 Pct Recovery = 106% Analysis Date = 04/21/00 Pct Recovery = 106% Analysis Date = 04/18/00 Pct Recovery = 105% Analysis Date = 04/18/00 Pct Recovery = 105% Analysis Date = 04/15/00 Pct Recovery = 105% Analysis Date = 04/15/00 Pct Recovery = 105% Analysis Date = 04/12/00 Pct Recovery = 105% Analysis Date = 04/12/00 Pct Recovery = 105% Analysis Date = 04/09/00 Pct Recovery = 104% Analysis Date = 04/09/00 Pct Recovery = 104% Analysis Date = 04/06/00 Pct Recovery = 104% Analysis Date = 04/06/00 Pct Recovery = 104% Analysis Date = 04/03/00 Pct Recovery = 104% Analysis Date = 04/03/00 Pct Recovery = 104% Analysis Date = 03/31/00 Pct Recovery = 103% Analysis Date = 03/31/00 Pct Recovery = 103% Analysis Date = 03/28/00 Pct Recovery = 103% Analysis Date = 03/28/00 Pct Recovery = 103% Analysis Date = 03/25/00 Pct Recovery = 103% Analysis Date = 03/25/00 Pct Recovery = 103% Analysis Date = 03/22/00 Pct Recovery = 102% Analysis Date = 03/22/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 103% Analysis Date = 03/19/00 Pct Recovery = 103% Analysis Date = 03/16/00 Pct Recovery = 103% Analysis Date = 03/16/00 Pct Recovery = 103% Analysis Date = 03/13/00 Pct Recovery = 103% Analysis Date = 03/13/00 Pct Recovery = 103% Analysis Date = 03/10/00 Pct Recovery = 103% Analysis Date = 03/10/00 Pct Recovery = 103% Analysis Date = 03/07/00 Pct Recovery = 103% Analysis Date = 03/07/00 Pct Recovery = 103% Analysis Date = 03/04/00 Pct Recovery = 103% Analysis Date = 03/04/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 02/27/00 Pct Recovery = 104% Analysis Date = 02/27/00 Pct Recovery = 104% Analysis Date = 02/24/00 Pct Recovery = 104% Analysis Date = 02/24/00 Pct Recovery = 104% Analysis Date = 02/22/00 Pct Recovery = 104% Analysis Date = 02/22/00 Pct Recovery = 104% Analysis Date = 02/19/00 Pct Recovery = 104% Analysis Date = 02/19/00 Pct Recovery = 104% Analysis Date = 02/16/00 Pct Recovery = 105% Analysis Date = 02/16/00 Pct Recovery = 105% Analysis Date = 02/13/00 Pct Recovery = 105% Analysis Date = 02/13/00 Pct Recovery = 105% Analysis Date = 02/10/00 Pct Recovery = 105% Analysis Date = 02/10/00 Pct Recovery = 105% Analysis Date = 02/07/00 Pct Recovery = 106% Analysis Date = 02/07/00 Pct Recovery = 106% Analysis Date = 02/04/00 Pct Recovery = 106% Analysis Date = 02/04/00 Pct Recovery = 106% Analysis Date = 02/01/00 Pct Recovery = 106% Analysis Date = 02/01/00 Pct Recovery = 106% Analysis Date = 01/29/00 Pct Recovery = 107% Analysis Date = 01/29/00 Pct Recovery = 107% Analysis Date = 01/26/00 Pct Recovery = 107% Analysis Date = 01/26/00 Pct Recovery = 107% Analysis Date = 01/23/00 Pct Recovery = 108% Analysis Date = 01/23/00 Pct Recovery = 108% Analysis Date = 01/20/00 Pct Recovery = 108% Analysis Date = 01/20/00 Pct Recovery = 108% Analysis Date = 01/17/00 Pct Recovery = 108% Analysis Date = 01/17/00 Pct Recovery = 108% Analysis Date = 01/14/00 Pct Recovery = 109% Analysis Date = 01/14/00 Pct Recovery = 109% Analysis Date = 01/11/00 Pct Recovery = 109% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,1,1-TRICHLOROETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 104% 8% 106% 3%
Total 21 104% 8% 106% 3%

Sample Statistics
1,1,1-TRICHLOROETHANE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
1,1,2,2-TETRACHLOROETHANE
METHOD: 4054 , TESTIDCODE: 34516GCM66
Open Data Set

Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 102% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 117% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 99% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 107% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 95% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 90% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 95% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 95% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 108% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 103% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 103% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 110% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 106% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 101% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 112% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 114% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 114% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 101% Analysis Date = 08/24/01 Pct Recovery = 107% Analysis Date = 08/22/01 Pct Recovery = 107% Analysis Date = 08/22/01 Pct Recovery = 107% Analysis Date = 08/19/01 Pct Recovery = 107% Analysis Date = 08/19/01 Pct Recovery = 107% Analysis Date = 08/16/01 Pct Recovery = 107% Analysis Date = 08/16/01 Pct Recovery = 107% Analysis Date = 08/13/01 Pct Recovery = 107% Analysis Date = 08/13/01 Pct Recovery = 107% Analysis Date = 08/10/01 Pct Recovery = 107% Analysis Date = 08/10/01 Pct Recovery = 107% Analysis Date = 08/07/01 Pct Recovery = 107% Analysis Date = 08/07/01 Pct Recovery = 107% Analysis Date = 08/04/01 Pct Recovery = 107% Analysis Date = 08/04/01 Pct Recovery = 107% Analysis Date = 08/01/01 Pct Recovery = 107% Analysis Date = 08/01/01 Pct Recovery = 107% Analysis Date = 07/29/01 Pct Recovery = 107% Analysis Date = 07/29/01 Pct Recovery = 107% Analysis Date = 07/26/01 Pct Recovery = 107% Analysis Date = 07/26/01 Pct Recovery = 107% Analysis Date = 07/23/01 Pct Recovery = 107% Analysis Date = 07/23/01 Pct Recovery = 107% Analysis Date = 07/20/01 Pct Recovery = 107% Analysis Date = 07/20/01 Pct Recovery = 107% Analysis Date = 07/17/01 Pct Recovery = 107% Analysis Date = 07/17/01 Pct Recovery = 107% Analysis Date = 07/14/01 Pct Recovery = 107% Analysis Date = 07/14/01 Pct Recovery = 107% Analysis Date = 07/11/01 Pct Recovery = 107% Analysis Date = 07/11/01 Pct Recovery = 107% Analysis Date = 07/08/01 Pct Recovery = 107% Analysis Date = 07/08/01 Pct Recovery = 107% Analysis Date = 07/05/01 Pct Recovery = 107% Analysis Date = 07/05/01 Pct Recovery = 107% Analysis Date = 07/02/01 Pct Recovery = 107% Analysis Date = 07/02/01 Pct Recovery = 107% Analysis Date = 06/29/01 Pct Recovery = 107% Analysis Date = 06/29/01 Pct Recovery = 107% Analysis Date = 06/26/01 Pct Recovery = 107% Analysis Date = 06/26/01 Pct Recovery = 107% Analysis Date = 06/23/01 Pct Recovery = 107% Analysis Date = 06/23/01 Pct Recovery = 107% Analysis Date = 06/20/01 Pct Recovery = 107% Analysis Date = 06/20/01 Pct Recovery = 107% Analysis Date = 06/17/01 Pct Recovery = 107% Analysis Date = 06/17/01 Pct Recovery = 107% Analysis Date = 06/15/01 Pct Recovery = 107% Analysis Date = 06/15/01 Pct Recovery = 107% Analysis Date = 06/12/01 Pct Recovery = 107% Analysis Date = 06/12/01 Pct Recovery = 107% Analysis Date = 06/09/01 Pct Recovery = 107% Analysis Date = 06/09/01 Pct Recovery = 107% Analysis Date = 06/06/01 Pct Recovery = 106% Analysis Date = 06/06/01 Pct Recovery = 106% Analysis Date = 06/03/01 Pct Recovery = 106% Analysis Date = 06/03/01 Pct Recovery = 106% Analysis Date = 05/31/01 Pct Recovery = 106% Analysis Date = 05/31/01 Pct Recovery = 106% Analysis Date = 05/28/01 Pct Recovery = 106% Analysis Date = 05/28/01 Pct Recovery = 106% Analysis Date = 05/25/01 Pct Recovery = 106% Analysis Date = 05/25/01 Pct Recovery = 106% Analysis Date = 05/22/01 Pct Recovery = 106% Analysis Date = 05/22/01 Pct Recovery = 106% Analysis Date = 05/19/01 Pct Recovery = 106% Analysis Date = 05/19/01 Pct Recovery = 106% Analysis Date = 05/16/01 Pct Recovery = 106% Analysis Date = 05/16/01 Pct Recovery = 106% Analysis Date = 05/13/01 Pct Recovery = 106% Analysis Date = 05/13/01 Pct Recovery = 106% Analysis Date = 05/10/01 Pct Recovery = 106% Analysis Date = 05/10/01 Pct Recovery = 106% Analysis Date = 05/07/01 Pct Recovery = 106% Analysis Date = 05/07/01 Pct Recovery = 106% Analysis Date = 05/04/01 Pct Recovery = 106% Analysis Date = 05/04/01 Pct Recovery = 106% Analysis Date = 05/01/01 Pct Recovery = 106% Analysis Date = 05/01/01 Pct Recovery = 106% Analysis Date = 04/28/01 Pct Recovery = 106% Analysis Date = 04/28/01 Pct Recovery = 106% Analysis Date = 04/25/01 Pct Recovery = 106% Analysis Date = 04/25/01 Pct Recovery = 106% Analysis Date = 04/22/01 Pct Recovery = 106% Analysis Date = 04/22/01 Pct Recovery = 106% Analysis Date = 04/19/01 Pct Recovery = 106% Analysis Date = 04/19/01 Pct Recovery = 106% Analysis Date = 04/16/01 Pct Recovery = 106% Analysis Date = 04/16/01 Pct Recovery = 106% Analysis Date = 04/13/01 Pct Recovery = 106% Analysis Date = 04/13/01 Pct Recovery = 106% Analysis Date = 04/10/01 Pct Recovery = 106% Analysis Date = 04/10/01 Pct Recovery = 106% Analysis Date = 04/08/01 Pct Recovery = 106% Analysis Date = 04/08/01 Pct Recovery = 106% Analysis Date = 04/05/01 Pct Recovery = 106% Analysis Date = 04/05/01 Pct Recovery = 106% Analysis Date = 04/02/01 Pct Recovery = 106% Analysis Date = 04/02/01 Pct Recovery = 106% Analysis Date = 03/30/01 Pct Recovery = 106% Analysis Date = 03/30/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/24/01 Pct Recovery = 106% Analysis Date = 03/24/01 Pct Recovery = 106% Analysis Date = 03/21/01 Pct Recovery = 106% Analysis Date = 03/21/01 Pct Recovery = 106% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/12/01 Pct Recovery = 106% Analysis Date = 03/12/01 Pct Recovery = 106% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 02/28/01 Pct Recovery = 106% Analysis Date = 02/28/01 Pct Recovery = 106% Analysis Date = 02/25/01 Pct Recovery = 106% Analysis Date = 02/25/01 Pct Recovery = 106% Analysis Date = 02/22/01 Pct Recovery = 106% Analysis Date = 02/22/01 Pct Recovery = 106% Analysis Date = 02/19/01 Pct Recovery = 106% Analysis Date = 02/19/01 Pct Recovery = 106% Analysis Date = 02/16/01 Pct Recovery = 106% Analysis Date = 02/16/01 Pct Recovery = 106% Analysis Date = 02/13/01 Pct Recovery = 106% Analysis Date = 02/13/01 Pct Recovery = 106% Analysis Date = 02/10/01 Pct Recovery = 106% Analysis Date = 02/10/01 Pct Recovery = 106% Analysis Date = 02/07/01 Pct Recovery = 106% Analysis Date = 02/07/01 Pct Recovery = 106% Analysis Date = 02/04/01 Pct Recovery = 106% Analysis Date = 02/04/01 Pct Recovery = 106% Analysis Date = 02/01/01 Pct Recovery = 106% Analysis Date = 02/01/01 Pct Recovery = 106% Analysis Date = 01/30/01 Pct Recovery = 106% Analysis Date = 01/30/01 Pct Recovery = 106% Analysis Date = 01/27/01 Pct Recovery = 106% Analysis Date = 01/27/01 Pct Recovery = 106% Analysis Date = 01/24/01 Pct Recovery = 106% Analysis Date = 01/24/01 Pct Recovery = 106% Analysis Date = 01/21/01 Pct Recovery = 106% Analysis Date = 01/21/01 Pct Recovery = 106% Analysis Date = 01/18/01 Pct Recovery = 106% Analysis Date = 01/18/01 Pct Recovery = 106% Analysis Date = 01/15/01 Pct Recovery = 106% Analysis Date = 01/15/01 Pct Recovery = 106% Analysis Date = 01/12/01 Pct Recovery = 106% Analysis Date = 01/12/01 Pct Recovery = 106% Analysis Date = 01/09/01 Pct Recovery = 106% Analysis Date = 01/09/01 Pct Recovery = 106% Analysis Date = 01/06/01 Pct Recovery = 106% Analysis Date = 01/06/01 Pct Recovery = 106% Analysis Date = 01/03/01 Pct Recovery = 106% Analysis Date = 01/03/01 Pct Recovery = 106% Analysis Date = 12/31/00 Pct Recovery = 106% Analysis Date = 12/31/00 Pct Recovery = 106% Analysis Date = 12/28/00 Pct Recovery = 106% Analysis Date = 12/28/00 Pct Recovery = 106% Analysis Date = 12/25/00 Pct Recovery = 106% Analysis Date = 12/25/00 Pct Recovery = 106% Analysis Date = 12/22/00 Pct Recovery = 106% Analysis Date = 12/22/00 Pct Recovery = 106% Analysis Date = 12/19/00 Pct Recovery = 106% Analysis Date = 12/19/00 Pct Recovery = 106% Analysis Date = 12/16/00 Pct Recovery = 106% Analysis Date = 12/16/00 Pct Recovery = 106% Analysis Date = 12/13/00 Pct Recovery = 106% Analysis Date = 12/13/00 Pct Recovery = 106% Analysis Date = 12/10/00 Pct Recovery = 106% Analysis Date = 12/10/00 Pct Recovery = 106% Analysis Date = 12/07/00 Pct Recovery = 106% Analysis Date = 12/07/00 Pct Recovery = 106% Analysis Date = 12/04/00 Pct Recovery = 105% Analysis Date = 12/04/00 Pct Recovery = 105% Analysis Date = 12/01/00 Pct Recovery = 105% Analysis Date = 12/01/00 Pct Recovery = 105% Analysis Date = 11/28/00 Pct Recovery = 105% Analysis Date = 11/28/00 Pct Recovery = 105% Analysis Date = 11/25/00 Pct Recovery = 105% Analysis Date = 11/25/00 Pct Recovery = 105% Analysis Date = 11/23/00 Pct Recovery = 105% Analysis Date = 11/23/00 Pct Recovery = 105% Analysis Date = 11/20/00 Pct Recovery = 105% Analysis Date = 11/20/00 Pct Recovery = 105% Analysis Date = 11/17/00 Pct Recovery = 105% Analysis Date = 11/17/00 Pct Recovery = 105% Analysis Date = 11/14/00 Pct Recovery = 105% Analysis Date = 11/14/00 Pct Recovery = 105% Analysis Date = 11/11/00 Pct Recovery = 105% Analysis Date = 11/11/00 Pct Recovery = 105% Analysis Date = 11/08/00 Pct Recovery = 105% Analysis Date = 11/08/00 Pct Recovery = 105% Analysis Date = 11/05/00 Pct Recovery = 105% Analysis Date = 11/05/00 Pct Recovery = 105% Analysis Date = 11/02/00 Pct Recovery = 105% Analysis Date = 11/02/00 Pct Recovery = 105% Analysis Date = 10/30/00 Pct Recovery = 105% Analysis Date = 10/30/00 Pct Recovery = 105% Analysis Date = 10/27/00 Pct Recovery = 105% Analysis Date = 10/27/00 Pct Recovery = 105% Analysis Date = 10/24/00 Pct Recovery = 105% Analysis Date = 10/24/00 Pct Recovery = 105% Analysis Date = 10/21/00 Pct Recovery = 105% Analysis Date = 10/21/00 Pct Recovery = 105% Analysis Date = 10/18/00 Pct Recovery = 105% Analysis Date = 10/18/00 Pct Recovery = 105% Analysis Date = 10/15/00 Pct Recovery = 105% Analysis Date = 10/15/00 Pct Recovery = 105% Analysis Date = 10/12/00 Pct Recovery = 105% Analysis Date = 10/12/00 Pct Recovery = 105% Analysis Date = 10/09/00 Pct Recovery = 105% Analysis Date = 10/09/00 Pct Recovery = 105% Analysis Date = 10/06/00 Pct Recovery = 105% Analysis Date = 10/06/00 Pct Recovery = 105% Analysis Date = 10/03/00 Pct Recovery = 105% Analysis Date = 10/03/00 Pct Recovery = 105% Analysis Date = 09/30/00 Pct Recovery = 106% Analysis Date = 09/30/00 Pct Recovery = 106% Analysis Date = 09/27/00 Pct Recovery = 106% Analysis Date = 09/27/00 Pct Recovery = 106% Analysis Date = 09/24/00 Pct Recovery = 106% Analysis Date = 09/24/00 Pct Recovery = 106% Analysis Date = 09/21/00 Pct Recovery = 106% Analysis Date = 09/21/00 Pct Recovery = 106% Analysis Date = 09/18/00 Pct Recovery = 106% Analysis Date = 09/18/00 Pct Recovery = 106% Analysis Date = 09/15/00 Pct Recovery = 106% Analysis Date = 09/15/00 Pct Recovery = 106% Analysis Date = 09/13/00 Pct Recovery = 106% Analysis Date = 09/13/00 Pct Recovery = 106% Analysis Date = 09/10/00 Pct Recovery = 106% Analysis Date = 09/10/00 Pct Recovery = 106% Analysis Date = 09/07/00 Pct Recovery = 106% Analysis Date = 09/07/00 Pct Recovery = 106% Analysis Date = 09/04/00 Pct Recovery = 106% Analysis Date = 09/04/00 Pct Recovery = 106% Analysis Date = 09/01/00 Pct Recovery = 106% Analysis Date = 09/01/00 Pct Recovery = 106% Analysis Date = 08/29/00 Pct Recovery = 106% Analysis Date = 08/29/00 Pct Recovery = 106% Analysis Date = 08/26/00 Pct Recovery = 106% Analysis Date = 08/26/00 Pct Recovery = 106% Analysis Date = 08/23/00 Pct Recovery = 106% Analysis Date = 08/23/00 Pct Recovery = 106% Analysis Date = 08/20/00 Pct Recovery = 106% Analysis Date = 08/20/00 Pct Recovery = 106% Analysis Date = 08/17/00 Pct Recovery = 107% Analysis Date = 08/17/00 Pct Recovery = 107% Analysis Date = 08/14/00 Pct Recovery = 107% Analysis Date = 08/14/00 Pct Recovery = 107% Analysis Date = 08/11/00 Pct Recovery = 107% Analysis Date = 08/11/00 Pct Recovery = 107% Analysis Date = 08/08/00 Pct Recovery = 107% Analysis Date = 08/08/00 Pct Recovery = 107% Analysis Date = 08/05/00 Pct Recovery = 107% Analysis Date = 08/05/00 Pct Recovery = 107% Analysis Date = 08/02/00 Pct Recovery = 107% Analysis Date = 08/02/00 Pct Recovery = 107% Analysis Date = 07/30/00 Pct Recovery = 107% Analysis Date = 07/30/00 Pct Recovery = 107% Analysis Date = 07/27/00 Pct Recovery = 107% Analysis Date = 07/27/00 Pct Recovery = 107% Analysis Date = 07/24/00 Pct Recovery = 107% Analysis Date = 07/24/00 Pct Recovery = 107% Analysis Date = 07/21/00 Pct Recovery = 107% Analysis Date = 07/21/00 Pct Recovery = 107% Analysis Date = 07/18/00 Pct Recovery = 107% Analysis Date = 07/18/00 Pct Recovery = 107% Analysis Date = 07/15/00 Pct Recovery = 107% Analysis Date = 07/15/00 Pct Recovery = 107% Analysis Date = 07/12/00 Pct Recovery = 107% Analysis Date = 07/12/00 Pct Recovery = 107% Analysis Date = 07/09/00 Pct Recovery = 107% Analysis Date = 07/09/00 Pct Recovery = 107% Analysis Date = 07/07/00 Pct Recovery = 107% Analysis Date = 07/07/00 Pct Recovery = 107% Analysis Date = 07/04/00 Pct Recovery = 107% Analysis Date = 07/04/00 Pct Recovery = 107% Analysis Date = 07/01/00 Pct Recovery = 108% Analysis Date = 07/01/00 Pct Recovery = 108% Analysis Date = 06/28/00 Pct Recovery = 108% Analysis Date = 06/28/00 Pct Recovery = 108% Analysis Date = 06/25/00 Pct Recovery = 108% Analysis Date = 06/25/00 Pct Recovery = 108% Analysis Date = 06/22/00 Pct Recovery = 108% Analysis Date = 06/22/00 Pct Recovery = 108% Analysis Date = 06/19/00 Pct Recovery = 108% Analysis Date = 06/19/00 Pct Recovery = 108% Analysis Date = 06/16/00 Pct Recovery = 108% Analysis Date = 06/16/00 Pct Recovery = 108% Analysis Date = 06/13/00 Pct Recovery = 108% Analysis Date = 06/13/00 Pct Recovery = 108% Analysis Date = 06/10/00 Pct Recovery = 108% Analysis Date = 06/10/00 Pct Recovery = 108% Analysis Date = 06/07/00 Pct Recovery = 108% Analysis Date = 06/07/00 Pct Recovery = 108% Analysis Date = 06/04/00 Pct Recovery = 109% Analysis Date = 06/04/00 Pct Recovery = 109% Analysis Date = 06/01/00 Pct Recovery = 109% Analysis Date = 06/01/00 Pct Recovery = 109% Analysis Date = 05/29/00 Pct Recovery = 109% Analysis Date = 05/29/00 Pct Recovery = 109% Analysis Date = 05/26/00 Pct Recovery = 109% Analysis Date = 05/26/00 Pct Recovery = 109% Analysis Date = 05/23/00 Pct Recovery = 109% Analysis Date = 05/23/00 Pct Recovery = 109% Analysis Date = 05/20/00 Pct Recovery = 110% Analysis Date = 05/20/00 Pct Recovery = 110% Analysis Date = 05/17/00 Pct Recovery = 110% Analysis Date = 05/17/00 Pct Recovery = 110% Analysis Date = 05/14/00 Pct Recovery = 109% Analysis Date = 05/14/00 Pct Recovery = 109% Analysis Date = 05/11/00 Pct Recovery = 109% Analysis Date = 05/11/00 Pct Recovery = 109% Analysis Date = 05/08/00 Pct Recovery = 109% Analysis Date = 05/08/00 Pct Recovery = 109% Analysis Date = 05/05/00 Pct Recovery = 108% Analysis Date = 05/05/00 Pct Recovery = 108% Analysis Date = 05/02/00 Pct Recovery = 108% Analysis Date = 05/02/00 Pct Recovery = 108% Analysis Date = 04/30/00 Pct Recovery = 108% Analysis Date = 04/30/00 Pct Recovery = 108% Analysis Date = 04/27/00 Pct Recovery = 107% Analysis Date = 04/27/00 Pct Recovery = 107% Analysis Date = 04/24/00 Pct Recovery = 107% Analysis Date = 04/24/00 Pct Recovery = 107% Analysis Date = 04/21/00 Pct Recovery = 106% Analysis Date = 04/21/00 Pct Recovery = 106% Analysis Date = 04/18/00 Pct Recovery = 106% Analysis Date = 04/18/00 Pct Recovery = 106% Analysis Date = 04/15/00 Pct Recovery = 106% Analysis Date = 04/15/00 Pct Recovery = 106% Analysis Date = 04/12/00 Pct Recovery = 105% Analysis Date = 04/12/00 Pct Recovery = 105% Analysis Date = 04/09/00 Pct Recovery = 105% Analysis Date = 04/09/00 Pct Recovery = 105% Analysis Date = 04/06/00 Pct Recovery = 104% Analysis Date = 04/06/00 Pct Recovery = 104% Analysis Date = 04/03/00 Pct Recovery = 104% Analysis Date = 04/03/00 Pct Recovery = 104% Analysis Date = 03/31/00 Pct Recovery = 104% Analysis Date = 03/31/00 Pct Recovery = 104% Analysis Date = 03/28/00 Pct Recovery = 103% Analysis Date = 03/28/00 Pct Recovery = 103% Analysis Date = 03/25/00 Pct Recovery = 103% Analysis Date = 03/25/00 Pct Recovery = 103% Analysis Date = 03/22/00 Pct Recovery = 103% Analysis Date = 03/22/00 Pct Recovery = 103% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/16/00 Pct Recovery = 102% Analysis Date = 03/16/00 Pct Recovery = 102% Analysis Date = 03/13/00 Pct Recovery = 101% Analysis Date = 03/13/00 Pct Recovery = 101% Analysis Date = 03/10/00 Pct Recovery = 101% Analysis Date = 03/10/00 Pct Recovery = 101% Analysis Date = 03/07/00 Pct Recovery = 101% Analysis Date = 03/07/00 Pct Recovery = 101% Analysis Date = 03/04/00 Pct Recovery = 100% Analysis Date = 03/04/00 Pct Recovery = 100% Analysis Date = 03/01/00 Pct Recovery = 100% Analysis Date = 03/01/00 Pct Recovery = 100% Analysis Date = 02/27/00 Pct Recovery = 99% Analysis Date = 02/27/00 Pct Recovery = 99% Analysis Date = 02/24/00 Pct Recovery = 99% Analysis Date = 02/24/00 Pct Recovery = 99% Analysis Date = 02/22/00 Pct Recovery = 99% Analysis Date = 02/22/00 Pct Recovery = 99% Analysis Date = 02/19/00 Pct Recovery = 99% Analysis Date = 02/19/00 Pct Recovery = 99% Analysis Date = 02/16/00 Pct Recovery = 99% Analysis Date = 02/16/00 Pct Recovery = 99% Analysis Date = 02/13/00 Pct Recovery = 99% Analysis Date = 02/13/00 Pct Recovery = 99% Analysis Date = 02/10/00 Pct Recovery = 99% Analysis Date = 02/10/00 Pct Recovery = 99% Analysis Date = 02/07/00 Pct Recovery = 99% Analysis Date = 02/07/00 Pct Recovery = 99% Analysis Date = 02/04/00 Pct Recovery = 99% Analysis Date = 02/04/00 Pct Recovery = 99% Analysis Date = 02/01/00 Pct Recovery = 99% Analysis Date = 02/01/00 Pct Recovery = 99% Analysis Date = 01/29/00 Pct Recovery = 99% Analysis Date = 01/29/00 Pct Recovery = 99% Analysis Date = 01/26/00 Pct Recovery = 99% Analysis Date = 01/26/00 Pct Recovery = 99% Analysis Date = 01/23/00 Pct Recovery = 99% Analysis Date = 01/23/00 Pct Recovery = 99% Analysis Date = 01/20/00 Pct Recovery = 99% Analysis Date = 01/20/00 Pct Recovery = 99% Analysis Date = 01/17/00 Pct Recovery = 99% Analysis Date = 01/17/00 Pct Recovery = 99% Analysis Date = 01/14/00 Pct Recovery = 99% Analysis Date = 01/14/00 Pct Recovery = 99% Analysis Date = 01/11/00 Pct Recovery = 99% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,1,2,2-TETRACHLOROETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 18 104% 8% 103% 8%
Total 18 104% 8% 103% 8%

Sample Statistics
1,1,2,2-TETRACHLOROETHANE

Characteristic N % % Basis
Plotted 18 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 18 .  
False Negatives 0 0% 0 out of 18
Not Spiked 18 .  
False Positives 0 0% 0 out of 18

BQS OBSP Determination:
1,1,2-TRICHLOROETHANE
METHOD: 4054 , TESTIDCODE: 34511GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 111% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 106% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 107% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 119% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 101% Analysis Date = 11/15/00 Pct Recovery = 111% Analysis Date = 11/13/00 Pct Recovery = 111% Analysis Date = 11/13/00 Pct Recovery = 111% Analysis Date = 11/12/00 Pct Recovery = 111% Analysis Date = 11/12/00 Pct Recovery = 111% Analysis Date = 11/11/00 Pct Recovery = 110% Analysis Date = 11/11/00 Pct Recovery = 110% Analysis Date = 11/10/00 Pct Recovery = 110% Analysis Date = 11/10/00 Pct Recovery = 110% Analysis Date = 11/08/00 Pct Recovery = 110% Analysis Date = 11/08/00 Pct Recovery = 110% Analysis Date = 11/07/00 Pct Recovery = 110% Analysis Date = 11/07/00 Pct Recovery = 110% Analysis Date = 11/06/00 Pct Recovery = 110% Analysis Date = 11/06/00 Pct Recovery = 110% Analysis Date = 11/04/00 Pct Recovery = 110% Analysis Date = 11/04/00 Pct Recovery = 110% Analysis Date = 11/03/00 Pct Recovery = 110% Analysis Date = 11/03/00 Pct Recovery = 110% Analysis Date = 11/02/00 Pct Recovery = 110% Analysis Date = 11/02/00 Pct Recovery = 110% Analysis Date = 10/31/00 Pct Recovery = 110% Analysis Date = 10/31/00 Pct Recovery = 110% Analysis Date = 10/30/00 Pct Recovery = 110% Analysis Date = 10/30/00 Pct Recovery = 110% Analysis Date = 10/29/00 Pct Recovery = 110% Analysis Date = 10/29/00 Pct Recovery = 110% Analysis Date = 10/27/00 Pct Recovery = 110% Analysis Date = 10/27/00 Pct Recovery = 110% Analysis Date = 10/26/00 Pct Recovery = 110% Analysis Date = 10/26/00 Pct Recovery = 110% Analysis Date = 10/25/00 Pct Recovery = 109% Analysis Date = 10/25/00 Pct Recovery = 109% Analysis Date = 10/23/00 Pct Recovery = 109% Analysis Date = 10/23/00 Pct Recovery = 109% Analysis Date = 10/22/00 Pct Recovery = 109% Analysis Date = 10/22/00 Pct Recovery = 109% Analysis Date = 10/21/00 Pct Recovery = 109% Analysis Date = 10/21/00 Pct Recovery = 109% Analysis Date = 10/19/00 Pct Recovery = 109% Analysis Date = 10/19/00 Pct Recovery = 109% Analysis Date = 10/18/00 Pct Recovery = 109% Analysis Date = 10/18/00 Pct Recovery = 109% Analysis Date = 10/17/00 Pct Recovery = 109% Analysis Date = 10/17/00 Pct Recovery = 109% Analysis Date = 10/15/00 Pct Recovery = 109% Analysis Date = 10/15/00 Pct Recovery = 109% Analysis Date = 10/14/00 Pct Recovery = 109% Analysis Date = 10/14/00 Pct Recovery = 109% Analysis Date = 10/13/00 Pct Recovery = 109% Analysis Date = 10/13/00 Pct Recovery = 109% Analysis Date = 10/11/00 Pct Recovery = 109% Analysis Date = 10/11/00 Pct Recovery = 109% Analysis Date = 10/10/00 Pct Recovery = 109% Analysis Date = 10/10/00 Pct Recovery = 109% Analysis Date = 10/09/00 Pct Recovery = 109% Analysis Date = 10/09/00 Pct Recovery = 109% Analysis Date = 10/07/00 Pct Recovery = 108% Analysis Date = 10/07/00 Pct Recovery = 108% Analysis Date = 10/06/00 Pct Recovery = 108% Analysis Date = 10/06/00 Pct Recovery = 108% Analysis Date = 10/05/00 Pct Recovery = 108% Analysis Date = 10/05/00 Pct Recovery = 108% Analysis Date = 10/03/00 Pct Recovery = 108% Analysis Date = 10/03/00 Pct Recovery = 108% Analysis Date = 10/02/00 Pct Recovery = 108% Analysis Date = 10/02/00 Pct Recovery = 108% Analysis Date = 10/01/00 Pct Recovery = 108% Analysis Date = 10/01/00 Pct Recovery = 108% Analysis Date = 09/29/00 Pct Recovery = 108% Analysis Date = 09/29/00 Pct Recovery = 108% Analysis Date = 09/28/00 Pct Recovery = 108% Analysis Date = 09/28/00 Pct Recovery = 108% Analysis Date = 09/27/00 Pct Recovery = 108% Analysis Date = 09/27/00 Pct Recovery = 108% Analysis Date = 09/25/00 Pct Recovery = 108% Analysis Date = 09/25/00 Pct Recovery = 108% Analysis Date = 09/24/00 Pct Recovery = 108% Analysis Date = 09/24/00 Pct Recovery = 108% Analysis Date = 09/23/00 Pct Recovery = 108% Analysis Date = 09/23/00 Pct Recovery = 108% Analysis Date = 09/21/00 Pct Recovery = 108% Analysis Date = 09/21/00 Pct Recovery = 108% Analysis Date = 09/20/00 Pct Recovery = 107% Analysis Date = 09/20/00 Pct Recovery = 107% Analysis Date = 09/19/00 Pct Recovery = 107% Analysis Date = 09/19/00 Pct Recovery = 107% Analysis Date = 09/17/00 Pct Recovery = 107% Analysis Date = 09/17/00 Pct Recovery = 107% Analysis Date = 09/16/00 Pct Recovery = 107% Analysis Date = 09/16/00 Pct Recovery = 107% Analysis Date = 09/15/00 Pct Recovery = 107% Analysis Date = 09/15/00 Pct Recovery = 107% Analysis Date = 09/13/00 Pct Recovery = 107% Analysis Date = 09/13/00 Pct Recovery = 107% Analysis Date = 09/12/00 Pct Recovery = 107% Analysis Date = 09/12/00 Pct Recovery = 107% Analysis Date = 09/11/00 Pct Recovery = 107% Analysis Date = 09/11/00 Pct Recovery = 107% Analysis Date = 09/09/00 Pct Recovery = 107% Analysis Date = 09/09/00 Pct Recovery = 107% Analysis Date = 09/08/00 Pct Recovery = 107% Analysis Date = 09/08/00 Pct Recovery = 107% Analysis Date = 09/07/00 Pct Recovery = 107% Analysis Date = 09/07/00 Pct Recovery = 107% Analysis Date = 09/05/00 Pct Recovery = 107% Analysis Date = 09/05/00 Pct Recovery = 107% Analysis Date = 09/04/00 Pct Recovery = 107% Analysis Date = 09/04/00 Pct Recovery = 107% Analysis Date = 09/03/00 Pct Recovery = 107% Analysis Date = 09/03/00 Pct Recovery = 107% Analysis Date = 09/01/00 Pct Recovery = 106% Analysis Date = 09/01/00 Pct Recovery = 106% Analysis Date = 08/31/00 Pct Recovery = 106% Analysis Date = 08/31/00 Pct Recovery = 106% Analysis Date = 08/30/00 Pct Recovery = 106% Analysis Date = 08/30/00 Pct Recovery = 106% Analysis Date = 08/28/00 Pct Recovery = 106% Analysis Date = 08/28/00 Pct Recovery = 106% Analysis Date = 08/27/00 Pct Recovery = 106% Analysis Date = 08/27/00 Pct Recovery = 106% Analysis Date = 08/26/00 Pct Recovery = 106% Analysis Date = 08/26/00 Pct Recovery = 106% Analysis Date = 08/24/00 Pct Recovery = 106% Analysis Date = 08/24/00 Pct Recovery = 106% Analysis Date = 08/23/00 Pct Recovery = 106% Analysis Date = 08/23/00 Pct Recovery = 106% Analysis Date = 08/22/00 Pct Recovery = 106% Analysis Date = 08/22/00 Pct Recovery = 106% Analysis Date = 08/20/00 Pct Recovery = 106% Analysis Date = 08/20/00 Pct Recovery = 106% Analysis Date = 08/19/00 Pct Recovery = 106% Analysis Date = 08/19/00 Pct Recovery = 106% Analysis Date = 08/18/00 Pct Recovery = 106% Analysis Date = 08/18/00 Pct Recovery = 106% Analysis Date = 08/17/00 Pct Recovery = 106% Analysis Date = 08/17/00 Pct Recovery = 106% Analysis Date = 08/15/00 Pct Recovery = 106% Analysis Date = 08/15/00 Pct Recovery = 106% Analysis Date = 08/14/00 Pct Recovery = 106% Analysis Date = 08/14/00 Pct Recovery = 106% Analysis Date = 08/13/00 Pct Recovery = 106% Analysis Date = 08/13/00 Pct Recovery = 106% Analysis Date = 08/11/00 Pct Recovery = 106% Analysis Date = 08/11/00 Pct Recovery = 106% Analysis Date = 08/10/00 Pct Recovery = 106% Analysis Date = 08/10/00 Pct Recovery = 106% Analysis Date = 08/09/00 Pct Recovery = 106% Analysis Date = 08/09/00 Pct Recovery = 106% Analysis Date = 08/07/00 Pct Recovery = 106% Analysis Date = 08/07/00 Pct Recovery = 106% Analysis Date = 08/06/00 Pct Recovery = 106% Analysis Date = 08/06/00 Pct Recovery = 106% Analysis Date = 08/05/00 Pct Recovery = 106% Analysis Date = 08/05/00 Pct Recovery = 106% Analysis Date = 08/03/00 Pct Recovery = 106% Analysis Date = 08/03/00 Pct Recovery = 106% Analysis Date = 08/02/00 Pct Recovery = 106% Analysis Date = 08/02/00 Pct Recovery = 106% Analysis Date = 08/01/00 Pct Recovery = 106% Analysis Date = 08/01/00 Pct Recovery = 106% Analysis Date = 07/30/00 Pct Recovery = 106% Analysis Date = 07/30/00 Pct Recovery = 106% Analysis Date = 07/29/00 Pct Recovery = 106% Analysis Date = 07/29/00 Pct Recovery = 106% Analysis Date = 07/28/00 Pct Recovery = 106% Analysis Date = 07/28/00 Pct Recovery = 106% Analysis Date = 07/26/00 Pct Recovery = 106% Analysis Date = 07/26/00 Pct Recovery = 106% Analysis Date = 07/25/00 Pct Recovery = 106% Analysis Date = 07/25/00 Pct Recovery = 106% Analysis Date = 07/24/00 Pct Recovery = 106% Analysis Date = 07/24/00 Pct Recovery = 106% Analysis Date = 07/22/00 Pct Recovery = 106% Analysis Date = 07/22/00 Pct Recovery = 106% Analysis Date = 07/21/00 Pct Recovery = 106% Analysis Date = 07/21/00 Pct Recovery = 106% Analysis Date = 07/20/00 Pct Recovery = 106% Analysis Date = 07/20/00 Pct Recovery = 106% Analysis Date = 07/18/00 Pct Recovery = 106% Analysis Date = 07/18/00 Pct Recovery = 106% Analysis Date = 07/17/00 Pct Recovery = 106% Analysis Date = 07/17/00 Pct Recovery = 106% Analysis Date = 07/16/00 Pct Recovery = 106% Analysis Date = 07/16/00 Pct Recovery = 106% Analysis Date = 07/14/00 Pct Recovery = 106% Analysis Date = 07/14/00 Pct Recovery = 106% Analysis Date = 07/13/00 Pct Recovery = 106% Analysis Date = 07/13/00 Pct Recovery = 106% Analysis Date = 07/12/00 Pct Recovery = 106% Analysis Date = 07/12/00 Pct Recovery = 106% Analysis Date = 07/10/00 Pct Recovery = 106% Analysis Date = 07/10/00 Pct Recovery = 106% Analysis Date = 07/09/00 Pct Recovery = 106% Analysis Date = 07/09/00 Pct Recovery = 106% Analysis Date = 07/08/00 Pct Recovery = 106% Analysis Date = 07/08/00 Pct Recovery = 106% Analysis Date = 07/06/00 Pct Recovery = 106% Analysis Date = 07/06/00 Pct Recovery = 106% Analysis Date = 07/05/00 Pct Recovery = 107% Analysis Date = 07/05/00 Pct Recovery = 107% Analysis Date = 07/04/00 Pct Recovery = 107% Analysis Date = 07/04/00 Pct Recovery = 107% Analysis Date = 07/02/00 Pct Recovery = 107% Analysis Date = 07/02/00 Pct Recovery = 107% Analysis Date = 07/01/00 Pct Recovery = 107% Analysis Date = 07/01/00 Pct Recovery = 107% Analysis Date = 06/30/00 Pct Recovery = 107% Analysis Date = 06/30/00 Pct Recovery = 107% Analysis Date = 06/28/00 Pct Recovery = 107% Analysis Date = 06/28/00 Pct Recovery = 107% Analysis Date = 06/27/00 Pct Recovery = 107% Analysis Date = 06/27/00 Pct Recovery = 107% Analysis Date = 06/26/00 Pct Recovery = 107% Analysis Date = 06/26/00 Pct Recovery = 107% Analysis Date = 06/24/00 Pct Recovery = 107% Analysis Date = 06/24/00 Pct Recovery = 107% Analysis Date = 06/23/00 Pct Recovery = 107% Analysis Date = 06/23/00 Pct Recovery = 107% Analysis Date = 06/22/00 Pct Recovery = 107% Analysis Date = 06/22/00 Pct Recovery = 107% Analysis Date = 06/20/00 Pct Recovery = 107% Analysis Date = 06/20/00 Pct Recovery = 107% Analysis Date = 06/19/00 Pct Recovery = 107% Analysis Date = 06/19/00 Pct Recovery = 107% Analysis Date = 06/18/00 Pct Recovery = 107% Analysis Date = 06/18/00 Pct Recovery = 107% Analysis Date = 06/16/00 Pct Recovery = 107% Analysis Date = 06/16/00 Pct Recovery = 107% Analysis Date = 06/15/00 Pct Recovery = 107% Analysis Date = 06/15/00 Pct Recovery = 107% Analysis Date = 06/14/00 Pct Recovery = 107% Analysis Date = 06/14/00 Pct Recovery = 107% Analysis Date = 06/12/00 Pct Recovery = 108% Analysis Date = 06/12/00 Pct Recovery = 108% Analysis Date = 06/11/00 Pct Recovery = 108% Analysis Date = 06/11/00 Pct Recovery = 108% Analysis Date = 06/10/00 Pct Recovery = 108% Analysis Date = 06/10/00 Pct Recovery = 108% Analysis Date = 06/08/00 Pct Recovery = 109% Analysis Date = 06/08/00 Pct Recovery = 109% Analysis Date = 06/07/00 Pct Recovery = 109% Analysis Date = 06/07/00 Pct Recovery = 109% Analysis Date = 06/06/00 Pct Recovery = 109% Analysis Date = 06/06/00 Pct Recovery = 109% Analysis Date = 06/04/00 Pct Recovery = 110% Analysis Date = 06/04/00 Pct Recovery = 110% Analysis Date = 06/03/00 Pct Recovery = 110% Analysis Date = 06/03/00 Pct Recovery = 110% Analysis Date = 06/02/00 Pct Recovery = 110% Analysis Date = 06/02/00 Pct Recovery = 110% Analysis Date = 05/31/00 Pct Recovery = 111% Analysis Date = 05/31/00 Pct Recovery = 111% Analysis Date = 05/30/00 Pct Recovery = 111% Analysis Date = 05/30/00 Pct Recovery = 111% Analysis Date = 05/29/00 Pct Recovery = 111% Analysis Date = 05/29/00 Pct Recovery = 111% Analysis Date = 05/27/00 Pct Recovery = 112% Analysis Date = 05/27/00 Pct Recovery = 112% Analysis Date = 05/26/00 Pct Recovery = 112% Analysis Date = 05/26/00 Pct Recovery = 112% Analysis Date = 05/25/00 Pct Recovery = 112% Analysis Date = 05/25/00 Pct Recovery = 112% Analysis Date = 05/24/00 Pct Recovery = 113% Analysis Date = 05/24/00 Pct Recovery = 113% Analysis Date = 05/22/00 Pct Recovery = 113% Analysis Date = 05/22/00 Pct Recovery = 113% Analysis Date = 05/21/00 Pct Recovery = 113% Analysis Date = 05/21/00 Pct Recovery = 113% Analysis Date = 05/20/00 Pct Recovery = 114% Analysis Date = 05/20/00 Pct Recovery = 114% Analysis Date = 05/18/00 Pct Recovery = 114% Analysis Date = 05/18/00 Pct Recovery = 114% Analysis Date = 05/17/00 Pct Recovery = 114% Analysis Date = 05/17/00 Pct Recovery = 114% Analysis Date = 05/16/00 Pct Recovery = 115% Analysis Date = 05/16/00 Pct Recovery = 115% Analysis Date = 05/14/00 Pct Recovery = 115% Analysis Date = 05/14/00 Pct Recovery = 115% Analysis Date = 05/13/00 Pct Recovery = 115% Analysis Date = 05/13/00 Pct Recovery = 115% Analysis Date = 05/12/00 Pct Recovery = 116% Analysis Date = 05/12/00 Pct Recovery = 116% Analysis Date = 05/10/00 Pct Recovery = 116% Analysis Date = 05/10/00 Pct Recovery = 116% Analysis Date = 05/09/00 Pct Recovery = 116% Analysis Date = 05/09/00 Pct Recovery = 116% Analysis Date = 05/08/00 Pct Recovery = 116% Analysis Date = 05/08/00 Pct Recovery = 116% Analysis Date = 05/06/00 Pct Recovery = 117% Analysis Date = 05/06/00 Pct Recovery = 117% Analysis Date = 05/05/00 Pct Recovery = 117% Analysis Date = 05/05/00 Pct Recovery = 117% Analysis Date = 05/04/00 Pct Recovery = 117% Analysis Date = 05/04/00 Pct Recovery = 117% Analysis Date = 05/02/00 Pct Recovery = 118% Analysis Date = 05/02/00 Pct Recovery = 118% Analysis Date = 05/01/00 Pct Recovery = 118% Analysis Date = 05/01/00 Pct Recovery = 118% Analysis Date = 04/30/00 Pct Recovery = 118% Analysis Date = 04/30/00 Pct Recovery = 118% Analysis Date = 04/28/00 Pct Recovery = 119% Analysis Date = 04/28/00 Pct Recovery = 119% Analysis Date = 04/27/00 Pct Recovery = 119% Analysis Date = 04/27/00 Pct Recovery = 119% Analysis Date = 04/26/00 Pct Recovery = 119% Analysis Date = 04/26/00 Pct Recovery = 119% Analysis Date = 04/24/00 Pct Recovery = 118% Analysis Date = 04/24/00 Pct Recovery = 118% Analysis Date = 04/23/00 Pct Recovery = 118% Analysis Date = 04/23/00 Pct Recovery = 118% Analysis Date = 04/22/00 Pct Recovery = 118% Analysis Date = 04/22/00 Pct Recovery = 118% Analysis Date = 04/20/00 Pct Recovery = 117% Analysis Date = 04/20/00 Pct Recovery = 117% Analysis Date = 04/19/00 Pct Recovery = 117% Analysis Date = 04/19/00 Pct Recovery = 117% Analysis Date = 04/18/00 Pct Recovery = 116% Analysis Date = 04/18/00 Pct Recovery = 116% Analysis Date = 04/16/00 Pct Recovery = 116% Analysis Date = 04/16/00 Pct Recovery = 116% Analysis Date = 04/15/00 Pct Recovery = 116% Analysis Date = 04/15/00 Pct Recovery = 116% Analysis Date = 04/14/00 Pct Recovery = 115% Analysis Date = 04/14/00 Pct Recovery = 115% Analysis Date = 04/12/00 Pct Recovery = 115% Analysis Date = 04/12/00 Pct Recovery = 115% Analysis Date = 04/11/00 Pct Recovery = 115% Analysis Date = 04/11/00 Pct Recovery = 115% Analysis Date = 04/10/00 Pct Recovery = 114% Analysis Date = 04/10/00 Pct Recovery = 114% Analysis Date = 04/08/00 Pct Recovery = 114% Analysis Date = 04/08/00 Pct Recovery = 114% Analysis Date = 04/07/00 Pct Recovery = 113% Analysis Date = 04/07/00 Pct Recovery = 113% Analysis Date = 04/06/00 Pct Recovery = 113% Analysis Date = 04/06/00 Pct Recovery = 113% Analysis Date = 04/04/00 Pct Recovery = 113% Analysis Date = 04/04/00 Pct Recovery = 113% Analysis Date = 04/03/00 Pct Recovery = 112% Analysis Date = 04/03/00 Pct Recovery = 112% Analysis Date = 04/02/00 Pct Recovery = 112% Analysis Date = 04/02/00 Pct Recovery = 112% Analysis Date = 03/31/00 Pct Recovery = 111% Analysis Date = 03/31/00 Pct Recovery = 111% Analysis Date = 03/30/00 Pct Recovery = 111% Analysis Date = 03/30/00 Pct Recovery = 111% Analysis Date = 03/29/00 Pct Recovery = 111% Analysis Date = 03/29/00 Pct Recovery = 111% Analysis Date = 03/27/00 Pct Recovery = 110% Analysis Date = 03/27/00 Pct Recovery = 110% Analysis Date = 03/26/00 Pct Recovery = 110% Analysis Date = 03/26/00 Pct Recovery = 110% Analysis Date = 03/25/00 Pct Recovery = 110% Analysis Date = 03/25/00 Pct Recovery = 110% Analysis Date = 03/23/00 Pct Recovery = 109% Analysis Date = 03/23/00 Pct Recovery = 109% Analysis Date = 03/22/00 Pct Recovery = 109% Analysis Date = 03/22/00 Pct Recovery = 109% Analysis Date = 03/21/00 Pct Recovery = 108% Analysis Date = 03/21/00 Pct Recovery = 108% Analysis Date = 03/19/00 Pct Recovery = 108% Analysis Date = 03/19/00 Pct Recovery = 108% Analysis Date = 03/18/00 Pct Recovery = 108% Analysis Date = 03/18/00 Pct Recovery = 108% Analysis Date = 03/17/00 Pct Recovery = 107% Analysis Date = 03/17/00 Pct Recovery = 107% Analysis Date = 03/15/00 Pct Recovery = 107% Analysis Date = 03/15/00 Pct Recovery = 107% Analysis Date = 03/14/00 Pct Recovery = 106% Analysis Date = 03/14/00 Pct Recovery = 106% Analysis Date = 03/13/00 Pct Recovery = 106% Analysis Date = 03/13/00 Pct Recovery = 106% Analysis Date = 03/11/00 Pct Recovery = 106% Analysis Date = 03/11/00 Pct Recovery = 106% Analysis Date = 03/10/00 Pct Recovery = 105% Analysis Date = 03/10/00 Pct Recovery = 105% Analysis Date = 03/09/00 Pct Recovery = 105% Analysis Date = 03/09/00 Pct Recovery = 105% Analysis Date = 03/07/00 Pct Recovery = 105% Analysis Date = 03/07/00 Pct Recovery = 105% Analysis Date = 03/06/00 Pct Recovery = 104% Analysis Date = 03/06/00 Pct Recovery = 104% Analysis Date = 03/05/00 Pct Recovery = 104% Analysis Date = 03/05/00 Pct Recovery = 104% Analysis Date = 03/03/00 Pct Recovery = 103% Analysis Date = 03/03/00 Pct Recovery = 103% Analysis Date = 03/02/00 Pct Recovery = 103% Analysis Date = 03/02/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 02/28/00 Pct Recovery = 102% Analysis Date = 02/28/00 Pct Recovery = 102% Analysis Date = 02/27/00 Pct Recovery = 102% Analysis Date = 02/27/00 Pct Recovery = 102% Analysis Date = 02/26/00 Pct Recovery = 102% Analysis Date = 02/26/00 Pct Recovery = 102% Analysis Date = 02/25/00 Pct Recovery = 101% Analysis Date = 02/25/00 Pct Recovery = 101% Analysis Date = 02/23/00 Pct Recovery = 101% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,1,2-TRICHLOROETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 109% 7% 107% 4%
Total 5 109% 7% 107% 4%

Sample Statistics
1,1,2-TRICHLOROETHANE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
1,1,2-TRICHLOROTRIFLUOROETHANE
METHOD: 4054 , TESTIDCODE: 77652GCM66
Open Data Set

Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 115% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 133% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 124% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 103% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 108% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 90% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 104% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 110% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 119% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 104% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 94% Analysis Date = 07/08/03 Pct Recovery = 125% Analysis Date = 07/03/03 Pct Recovery = 125% Analysis Date = 07/03/03 Pct Recovery = 125% Analysis Date = 06/28/03 Pct Recovery = 124% Analysis Date = 06/28/03 Pct Recovery = 124% Analysis Date = 06/23/03 Pct Recovery = 124% Analysis Date = 06/23/03 Pct Recovery = 124% Analysis Date = 06/17/03 Pct Recovery = 124% Analysis Date = 06/17/03 Pct Recovery = 124% Analysis Date = 06/12/03 Pct Recovery = 124% Analysis Date = 06/12/03 Pct Recovery = 124% Analysis Date = 06/07/03 Pct Recovery = 123% Analysis Date = 06/07/03 Pct Recovery = 123% Analysis Date = 06/02/03 Pct Recovery = 123% Analysis Date = 06/02/03 Pct Recovery = 123% Analysis Date = 05/27/03 Pct Recovery = 123% Analysis Date = 05/27/03 Pct Recovery = 123% Analysis Date = 05/22/03 Pct Recovery = 123% Analysis Date = 05/22/03 Pct Recovery = 123% Analysis Date = 05/17/03 Pct Recovery = 123% Analysis Date = 05/17/03 Pct Recovery = 123% Analysis Date = 05/11/03 Pct Recovery = 122% Analysis Date = 05/11/03 Pct Recovery = 122% Analysis Date = 05/06/03 Pct Recovery = 122% Analysis Date = 05/06/03 Pct Recovery = 122% Analysis Date = 05/01/03 Pct Recovery = 122% Analysis Date = 05/01/03 Pct Recovery = 122% Analysis Date = 04/26/03 Pct Recovery = 121% Analysis Date = 04/26/03 Pct Recovery = 121% Analysis Date = 04/20/03 Pct Recovery = 121% Analysis Date = 04/20/03 Pct Recovery = 121% Analysis Date = 04/15/03 Pct Recovery = 120% Analysis Date = 04/15/03 Pct Recovery = 120% Analysis Date = 04/10/03 Pct Recovery = 120% Analysis Date = 04/10/03 Pct Recovery = 120% Analysis Date = 04/04/03 Pct Recovery = 120% Analysis Date = 04/04/03 Pct Recovery = 120% Analysis Date = 03/30/03 Pct Recovery = 119% Analysis Date = 03/30/03 Pct Recovery = 119% Analysis Date = 03/25/03 Pct Recovery = 119% Analysis Date = 03/25/03 Pct Recovery = 119% Analysis Date = 03/20/03 Pct Recovery = 119% Analysis Date = 03/20/03 Pct Recovery = 119% Analysis Date = 03/14/03 Pct Recovery = 118% Analysis Date = 03/14/03 Pct Recovery = 118% Analysis Date = 03/09/03 Pct Recovery = 118% Analysis Date = 03/09/03 Pct Recovery = 118% Analysis Date = 03/04/03 Pct Recovery = 118% Analysis Date = 03/04/03 Pct Recovery = 118% Analysis Date = 02/26/03 Pct Recovery = 117% Analysis Date = 02/26/03 Pct Recovery = 117% Analysis Date = 02/21/03 Pct Recovery = 117% Analysis Date = 02/21/03 Pct Recovery = 117% Analysis Date = 02/16/03 Pct Recovery = 117% Analysis Date = 02/16/03 Pct Recovery = 117% Analysis Date = 02/11/03 Pct Recovery = 116% Analysis Date = 02/11/03 Pct Recovery = 116% Analysis Date = 02/05/03 Pct Recovery = 116% Analysis Date = 02/05/03 Pct Recovery = 116% Analysis Date = 01/31/03 Pct Recovery = 115% Analysis Date = 01/31/03 Pct Recovery = 115% Analysis Date = 01/26/03 Pct Recovery = 115% Analysis Date = 01/26/03 Pct Recovery = 115% Analysis Date = 01/20/03 Pct Recovery = 115% Analysis Date = 01/20/03 Pct Recovery = 115% Analysis Date = 01/15/03 Pct Recovery = 114% Analysis Date = 01/15/03 Pct Recovery = 114% Analysis Date = 01/10/03 Pct Recovery = 114% Analysis Date = 01/10/03 Pct Recovery = 114% Analysis Date = 01/05/03 Pct Recovery = 114% Analysis Date = 01/05/03 Pct Recovery = 114% Analysis Date = 12/30/02 Pct Recovery = 113% Analysis Date = 12/30/02 Pct Recovery = 113% Analysis Date = 12/25/02 Pct Recovery = 113% Analysis Date = 12/25/02 Pct Recovery = 113% Analysis Date = 12/20/02 Pct Recovery = 113% Analysis Date = 12/20/02 Pct Recovery = 113% Analysis Date = 12/14/02 Pct Recovery = 112% Analysis Date = 12/14/02 Pct Recovery = 112% Analysis Date = 12/09/02 Pct Recovery = 112% Analysis Date = 12/09/02 Pct Recovery = 112% Analysis Date = 12/04/02 Pct Recovery = 112% Analysis Date = 12/04/02 Pct Recovery = 112% Analysis Date = 11/29/02 Pct Recovery = 111% Analysis Date = 11/29/02 Pct Recovery = 111% Analysis Date = 11/23/02 Pct Recovery = 111% Analysis Date = 11/23/02 Pct Recovery = 111% Analysis Date = 11/18/02 Pct Recovery = 110% Analysis Date = 11/18/02 Pct Recovery = 110% Analysis Date = 11/13/02 Pct Recovery = 110% Analysis Date = 11/13/02 Pct Recovery = 110% Analysis Date = 11/07/02 Pct Recovery = 110% Analysis Date = 11/07/02 Pct Recovery = 110% Analysis Date = 11/02/02 Pct Recovery = 109% Analysis Date = 11/02/02 Pct Recovery = 109% Analysis Date = 10/28/02 Pct Recovery = 109% Analysis Date = 10/28/02 Pct Recovery = 109% Analysis Date = 10/23/02 Pct Recovery = 109% Analysis Date = 10/23/02 Pct Recovery = 109% Analysis Date = 10/17/02 Pct Recovery = 108% Analysis Date = 10/17/02 Pct Recovery = 108% Analysis Date = 10/12/02 Pct Recovery = 108% Analysis Date = 10/12/02 Pct Recovery = 108% Analysis Date = 10/07/02 Pct Recovery = 108% Analysis Date = 10/07/02 Pct Recovery = 108% Analysis Date = 10/02/02 Pct Recovery = 107% Analysis Date = 10/02/02 Pct Recovery = 107% Analysis Date = 09/26/02 Pct Recovery = 107% Analysis Date = 09/26/02 Pct Recovery = 107% Analysis Date = 09/21/02 Pct Recovery = 107% Analysis Date = 09/21/02 Pct Recovery = 107% Analysis Date = 09/16/02 Pct Recovery = 106% Analysis Date = 09/16/02 Pct Recovery = 106% Analysis Date = 09/10/02 Pct Recovery = 106% Analysis Date = 09/10/02 Pct Recovery = 106% Analysis Date = 09/05/02 Pct Recovery = 105% Analysis Date = 09/05/02 Pct Recovery = 105% Analysis Date = 08/31/02 Pct Recovery = 105% Analysis Date = 08/31/02 Pct Recovery = 105% Analysis Date = 08/26/02 Pct Recovery = 105% Analysis Date = 08/26/02 Pct Recovery = 105% Analysis Date = 08/20/02 Pct Recovery = 104% Analysis Date = 08/20/02 Pct Recovery = 104% Analysis Date = 08/15/02 Pct Recovery = 104% Analysis Date = 08/15/02 Pct Recovery = 104% Analysis Date = 08/10/02 Pct Recovery = 104% Analysis Date = 08/10/02 Pct Recovery = 104% Analysis Date = 08/04/02 Pct Recovery = 103% Analysis Date = 08/04/02 Pct Recovery = 103% Analysis Date = 07/30/02 Pct Recovery = 104% Analysis Date = 07/30/02 Pct Recovery = 104% Analysis Date = 07/25/02 Pct Recovery = 104% Analysis Date = 07/25/02 Pct Recovery = 104% Analysis Date = 07/20/02 Pct Recovery = 104% Analysis Date = 07/20/02 Pct Recovery = 104% Analysis Date = 07/14/02 Pct Recovery = 104% Analysis Date = 07/14/02 Pct Recovery = 104% Analysis Date = 07/09/02 Pct Recovery = 104% Analysis Date = 07/09/02 Pct Recovery = 104% Analysis Date = 07/04/02 Pct Recovery = 104% Analysis Date = 07/04/02 Pct Recovery = 104% Analysis Date = 06/28/02 Pct Recovery = 104% Analysis Date = 06/28/02 Pct Recovery = 104% Analysis Date = 06/23/02 Pct Recovery = 104% Analysis Date = 06/23/02 Pct Recovery = 104% Analysis Date = 06/18/02 Pct Recovery = 104% Analysis Date = 06/18/02 Pct Recovery = 104% Analysis Date = 06/13/02 Pct Recovery = 105% Analysis Date = 06/13/02 Pct Recovery = 105% Analysis Date = 06/07/02 Pct Recovery = 105% Analysis Date = 06/07/02 Pct Recovery = 105% Analysis Date = 06/02/02 Pct Recovery = 105% Analysis Date = 06/02/02 Pct Recovery = 105% Analysis Date = 05/28/02 Pct Recovery = 105% Analysis Date = 05/28/02 Pct Recovery = 105% Analysis Date = 05/22/02 Pct Recovery = 105% Analysis Date = 05/22/02 Pct Recovery = 105% Analysis Date = 05/17/02 Pct Recovery = 105% Analysis Date = 05/17/02 Pct Recovery = 105% Analysis Date = 05/12/02 Pct Recovery = 105% Analysis Date = 05/12/02 Pct Recovery = 105% Analysis Date = 05/07/02 Pct Recovery = 105% Analysis Date = 05/07/02 Pct Recovery = 105% Analysis Date = 05/01/02 Pct Recovery = 105% Analysis Date = 05/01/02 Pct Recovery = 105% Analysis Date = 04/26/02 Pct Recovery = 105% Analysis Date = 04/26/02 Pct Recovery = 105% Analysis Date = 04/21/02 Pct Recovery = 105% Analysis Date = 04/21/02 Pct Recovery = 105% Analysis Date = 04/15/02 Pct Recovery = 105% Analysis Date = 04/15/02 Pct Recovery = 105% Analysis Date = 04/10/02 Pct Recovery = 105% Analysis Date = 04/10/02 Pct Recovery = 105% Analysis Date = 04/05/02 Pct Recovery = 106% Analysis Date = 04/05/02 Pct Recovery = 106% Analysis Date = 03/31/02 Pct Recovery = 106% Analysis Date = 03/31/02 Pct Recovery = 106% Analysis Date = 03/25/02 Pct Recovery = 106% Analysis Date = 03/25/02 Pct Recovery = 106% Analysis Date = 03/20/02 Pct Recovery = 106% Analysis Date = 03/20/02 Pct Recovery = 106% Analysis Date = 03/15/02 Pct Recovery = 106% Analysis Date = 03/15/02 Pct Recovery = 106% Analysis Date = 03/09/02 Pct Recovery = 106% Analysis Date = 03/09/02 Pct Recovery = 106% Analysis Date = 03/04/02 Pct Recovery = 107% Analysis Date = 03/04/02 Pct Recovery = 107% Analysis Date = 02/27/02 Pct Recovery = 107% Analysis Date = 02/27/02 Pct Recovery = 107% Analysis Date = 02/22/02 Pct Recovery = 107% Analysis Date = 02/22/02 Pct Recovery = 107% Analysis Date = 02/16/02 Pct Recovery = 108% Analysis Date = 02/16/02 Pct Recovery = 108% Analysis Date = 02/11/02 Pct Recovery = 108% Analysis Date = 02/11/02 Pct Recovery = 108% Analysis Date = 02/06/02 Pct Recovery = 108% Analysis Date = 02/06/02 Pct Recovery = 108% Analysis Date = 01/31/02 Pct Recovery = 109% Analysis Date = 01/31/02 Pct Recovery = 109% Analysis Date = 01/26/02 Pct Recovery = 109% Analysis Date = 01/26/02 Pct Recovery = 109% Analysis Date = 01/21/02 Pct Recovery = 110% Analysis Date = 01/21/02 Pct Recovery = 110% Analysis Date = 01/16/02 Pct Recovery = 110% Analysis Date = 01/16/02 Pct Recovery = 110% Analysis Date = 01/10/02 Pct Recovery = 110% Analysis Date = 01/10/02 Pct Recovery = 110% Analysis Date = 01/05/02 Pct Recovery = 110% Analysis Date = 01/05/02 Pct Recovery = 110% Analysis Date = 12/31/01 Pct Recovery = 110% Analysis Date = 12/31/01 Pct Recovery = 110% Analysis Date = 12/26/01 Pct Recovery = 110% Analysis Date = 12/26/01 Pct Recovery = 110% Analysis Date = 12/20/01 Pct Recovery = 110% Analysis Date = 12/20/01 Pct Recovery = 110% Analysis Date = 12/15/01 Pct Recovery = 110% Analysis Date = 12/15/01 Pct Recovery = 110% Analysis Date = 12/10/01 Pct Recovery = 110% Analysis Date = 12/10/01 Pct Recovery = 110% Analysis Date = 12/04/01 Pct Recovery = 109% Analysis Date = 12/04/01 Pct Recovery = 109% Analysis Date = 11/29/01 Pct Recovery = 109% Analysis Date = 11/29/01 Pct Recovery = 109% Analysis Date = 11/24/01 Pct Recovery = 109% Analysis Date = 11/24/01 Pct Recovery = 109% Analysis Date = 11/19/01 Pct Recovery = 109% Analysis Date = 11/19/01 Pct Recovery = 109% Analysis Date = 11/13/01 Pct Recovery = 109% Analysis Date = 11/13/01 Pct Recovery = 109% Analysis Date = 11/08/01 Pct Recovery = 109% Analysis Date = 11/08/01 Pct Recovery = 109% Analysis Date = 11/03/01 Pct Recovery = 109% Analysis Date = 11/03/01 Pct Recovery = 109% Analysis Date = 10/28/01 Pct Recovery = 109% Analysis Date = 10/28/01 Pct Recovery = 109% Analysis Date = 10/23/01 Pct Recovery = 108% Analysis Date = 10/23/01 Pct Recovery = 108% Analysis Date = 10/18/01 Pct Recovery = 108% Analysis Date = 10/18/01 Pct Recovery = 108% Analysis Date = 10/13/01 Pct Recovery = 108% Analysis Date = 10/13/01 Pct Recovery = 108% Analysis Date = 10/07/01 Pct Recovery = 108% Analysis Date = 10/07/01 Pct Recovery = 108% Analysis Date = 10/02/01 Pct Recovery = 108% Analysis Date = 10/02/01 Pct Recovery = 108% Analysis Date = 09/27/01 Pct Recovery = 108% Analysis Date = 09/27/01 Pct Recovery = 108% Analysis Date = 09/21/01 Pct Recovery = 108% Analysis Date = 09/21/01 Pct Recovery = 108% Analysis Date = 09/16/01 Pct Recovery = 108% Analysis Date = 09/16/01 Pct Recovery = 108% Analysis Date = 09/11/01 Pct Recovery = 107% Analysis Date = 09/11/01 Pct Recovery = 107% Analysis Date = 09/06/01 Pct Recovery = 107% Analysis Date = 09/06/01 Pct Recovery = 107% Analysis Date = 08/31/01 Pct Recovery = 107% Analysis Date = 08/31/01 Pct Recovery = 107% Analysis Date = 08/26/01 Pct Recovery = 107% Analysis Date = 08/26/01 Pct Recovery = 107% Analysis Date = 08/21/01 Pct Recovery = 107% Analysis Date = 08/21/01 Pct Recovery = 107% Analysis Date = 08/15/01 Pct Recovery = 107% Analysis Date = 08/15/01 Pct Recovery = 107% Analysis Date = 08/10/01 Pct Recovery = 107% Analysis Date = 08/10/01 Pct Recovery = 107% Analysis Date = 08/05/01 Pct Recovery = 107% Analysis Date = 08/05/01 Pct Recovery = 107% Analysis Date = 07/31/01 Pct Recovery = 107% Analysis Date = 07/31/01 Pct Recovery = 107% Analysis Date = 07/25/01 Pct Recovery = 106% Analysis Date = 07/25/01 Pct Recovery = 106% Analysis Date = 07/20/01 Pct Recovery = 106% Analysis Date = 07/20/01 Pct Recovery = 106% Analysis Date = 07/15/01 Pct Recovery = 106% Analysis Date = 07/15/01 Pct Recovery = 106% Analysis Date = 07/09/01 Pct Recovery = 106% Analysis Date = 07/09/01 Pct Recovery = 106% Analysis Date = 07/04/01 Pct Recovery = 106% Analysis Date = 07/04/01 Pct Recovery = 106% Analysis Date = 06/29/01 Pct Recovery = 106% Analysis Date = 06/29/01 Pct Recovery = 106% Analysis Date = 06/24/01 Pct Recovery = 106% Analysis Date = 06/24/01 Pct Recovery = 106% Analysis Date = 06/18/01 Pct Recovery = 106% Analysis Date = 06/18/01 Pct Recovery = 106% Analysis Date = 06/13/01 Pct Recovery = 105% Analysis Date = 06/13/01 Pct Recovery = 105% Analysis Date = 06/08/01 Pct Recovery = 105% Analysis Date = 06/08/01 Pct Recovery = 105% Analysis Date = 06/02/01 Pct Recovery = 105% Analysis Date = 06/02/01 Pct Recovery = 105% Analysis Date = 05/28/01 Pct Recovery = 105% Analysis Date = 05/28/01 Pct Recovery = 105% Analysis Date = 05/23/01 Pct Recovery = 105% Analysis Date = 05/23/01 Pct Recovery = 105% Analysis Date = 05/18/01 Pct Recovery = 105% Analysis Date = 05/18/01 Pct Recovery = 105% Analysis Date = 05/12/01 Pct Recovery = 105% Analysis Date = 05/12/01 Pct Recovery = 105% Analysis Date = 05/07/01 Pct Recovery = 105% Analysis Date = 05/07/01 Pct Recovery = 105% Analysis Date = 05/02/01 Pct Recovery = 104% Analysis Date = 05/02/01 Pct Recovery = 104% Analysis Date = 04/26/01 Pct Recovery = 104% Analysis Date = 04/26/01 Pct Recovery = 104% Analysis Date = 04/21/01 Pct Recovery = 104% Analysis Date = 04/21/01 Pct Recovery = 104% Analysis Date = 04/16/01 Pct Recovery = 104% Analysis Date = 04/16/01 Pct Recovery = 104% Analysis Date = 04/11/01 Pct Recovery = 104% Analysis Date = 04/11/01 Pct Recovery = 104% Analysis Date = 04/05/01 Pct Recovery = 104% Analysis Date = 04/05/01 Pct Recovery = 104% Analysis Date = 03/31/01 Pct Recovery = 104% Analysis Date = 03/31/01 Pct Recovery = 104% Analysis Date = 03/26/01 Pct Recovery = 104% Analysis Date = 03/26/01 Pct Recovery = 104% Analysis Date = 03/21/01 Pct Recovery = 103% Analysis Date = 03/21/01 Pct Recovery = 103% Analysis Date = 03/15/01 Pct Recovery = 103% Analysis Date = 03/15/01 Pct Recovery = 103% Analysis Date = 03/10/01 Pct Recovery = 103% Analysis Date = 03/10/01 Pct Recovery = 103% Analysis Date = 03/05/01 Pct Recovery = 103% Analysis Date = 03/05/01 Pct Recovery = 103% Analysis Date = 02/27/01 Pct Recovery = 103% Analysis Date = 02/27/01 Pct Recovery = 103% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/17/01 Pct Recovery = 103% Analysis Date = 02/17/01 Pct Recovery = 103% Analysis Date = 02/12/01 Pct Recovery = 103% Analysis Date = 02/12/01 Pct Recovery = 103% Analysis Date = 02/06/01 Pct Recovery = 103% Analysis Date = 02/06/01 Pct Recovery = 103% Analysis Date = 02/01/01 Pct Recovery = 102% Analysis Date = 02/01/01 Pct Recovery = 102% Analysis Date = 01/27/01 Pct Recovery = 102% Analysis Date = 01/27/01 Pct Recovery = 102% Analysis Date = 01/21/01 Pct Recovery = 102% Analysis Date = 01/21/01 Pct Recovery = 102% Analysis Date = 01/16/01 Pct Recovery = 102% Analysis Date = 01/16/01 Pct Recovery = 102% Analysis Date = 01/11/01 Pct Recovery = 102% Analysis Date = 01/11/01 Pct Recovery = 102% Analysis Date = 01/06/01 Pct Recovery = 102% Analysis Date = 01/06/01 Pct Recovery = 102% Analysis Date = 12/31/00 Pct Recovery = 102% Analysis Date = 12/31/00 Pct Recovery = 102% Analysis Date = 12/26/00 Pct Recovery = 102% Analysis Date = 12/26/00 Pct Recovery = 102% Analysis Date = 12/21/00 Pct Recovery = 101% Analysis Date = 12/21/00 Pct Recovery = 101% Analysis Date = 12/15/00 Pct Recovery = 101% Analysis Date = 12/15/00 Pct Recovery = 101% Analysis Date = 12/10/00 Pct Recovery = 101% Analysis Date = 12/10/00 Pct Recovery = 101% Analysis Date = 12/05/00 Pct Recovery = 101% Analysis Date = 12/05/00 Pct Recovery = 101% Analysis Date = 11/30/00 Pct Recovery = 101% Analysis Date = 11/30/00 Pct Recovery = 101% Analysis Date = 11/24/00 Pct Recovery = 101% Analysis Date = 11/24/00 Pct Recovery = 101% Analysis Date = 11/19/00 Pct Recovery = 101% Analysis Date = 11/19/00 Pct Recovery = 101% Analysis Date = 11/14/00 Pct Recovery = 101% Analysis Date = 11/14/00 Pct Recovery = 101% Analysis Date = 11/08/00 Pct Recovery = 100% Analysis Date = 11/08/00 Pct Recovery = 100% Analysis Date = 11/03/00 Pct Recovery = 100% Analysis Date = 11/03/00 Pct Recovery = 100% Analysis Date = 10/29/00 Pct Recovery = 100% Analysis Date = 10/29/00 Pct Recovery = 100% Analysis Date = 10/24/00 Pct Recovery = 100% Analysis Date = 10/24/00 Pct Recovery = 100% Analysis Date = 10/18/00 Pct Recovery = 100% Analysis Date = 10/18/00 Pct Recovery = 100% Analysis Date = 10/13/00 Pct Recovery = 99% Analysis Date = 10/13/00 Pct Recovery = 99% Analysis Date = 10/08/00 Pct Recovery = 99% Analysis Date = 10/08/00 Pct Recovery = 99% Analysis Date = 10/02/00 Pct Recovery = 99% Analysis Date = 10/02/00 Pct Recovery = 99% Analysis Date = 09/27/00 Pct Recovery = 99% Analysis Date = 09/27/00 Pct Recovery = 99% Analysis Date = 09/22/00 Pct Recovery = 99% Analysis Date = 09/22/00 Pct Recovery = 99% Analysis Date = 09/17/00 Pct Recovery = 99% Analysis Date = 09/17/00 Pct Recovery = 99% Analysis Date = 09/11/00 Pct Recovery = 98% Analysis Date = 09/11/00 Pct Recovery = 98% Analysis Date = 09/06/00 Pct Recovery = 98% Analysis Date = 09/06/00 Pct Recovery = 98% Analysis Date = 09/01/00 Pct Recovery = 98% Analysis Date = 09/01/00 Pct Recovery = 98% Analysis Date = 08/26/00 Pct Recovery = 98% Analysis Date = 08/26/00 Pct Recovery = 98% Analysis Date = 08/21/00 Pct Recovery = 98% Analysis Date = 08/21/00 Pct Recovery = 98% Analysis Date = 08/16/00 Pct Recovery = 98% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,1,2-TRICHLOROTRIFLUOROETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 11 110% 13% 108% 13%
Total 11 110% 13% 108% 13%

Sample Statistics
1,1,2-TRICHLOROTRIFLUOROETHANE

Characteristic N % % Basis
Plotted 11 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 11 .  
False Negatives 0 0% 0 out of 11
Not Spiked 25 .  
False Positives 0 0% 0 out of 25

BQS OBSP Determination:
1,1-DICHLOROETHANE
METHOD: 4054 , TESTIDCODE: 34496GCM66
Open Data Set

Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 108% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 104% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 114% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 93% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 111% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 101% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 103% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 105% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 113% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 106% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 116% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 97% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 104% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 108% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 98% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 102% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 118% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 113% Analysis Date = 08/24/01 Pct Recovery = 99% Analysis Date = 08/22/01 Pct Recovery = 99% Analysis Date = 08/22/01 Pct Recovery = 99% Analysis Date = 08/19/01 Pct Recovery = 99% Analysis Date = 08/19/01 Pct Recovery = 99% Analysis Date = 08/16/01 Pct Recovery = 99% Analysis Date = 08/16/01 Pct Recovery = 99% Analysis Date = 08/13/01 Pct Recovery = 100% Analysis Date = 08/13/01 Pct Recovery = 100% Analysis Date = 08/10/01 Pct Recovery = 100% Analysis Date = 08/10/01 Pct Recovery = 100% Analysis Date = 08/07/01 Pct Recovery = 100% Analysis Date = 08/07/01 Pct Recovery = 100% Analysis Date = 08/04/01 Pct Recovery = 100% Analysis Date = 08/04/01 Pct Recovery = 100% Analysis Date = 08/01/01 Pct Recovery = 100% Analysis Date = 08/01/01 Pct Recovery = 100% Analysis Date = 07/29/01 Pct Recovery = 100% Analysis Date = 07/29/01 Pct Recovery = 100% Analysis Date = 07/26/01 Pct Recovery = 100% Analysis Date = 07/26/01 Pct Recovery = 100% Analysis Date = 07/23/01 Pct Recovery = 100% Analysis Date = 07/23/01 Pct Recovery = 100% Analysis Date = 07/20/01 Pct Recovery = 100% Analysis Date = 07/20/01 Pct Recovery = 100% Analysis Date = 07/17/01 Pct Recovery = 100% Analysis Date = 07/17/01 Pct Recovery = 100% Analysis Date = 07/14/01 Pct Recovery = 101% Analysis Date = 07/14/01 Pct Recovery = 101% Analysis Date = 07/11/01 Pct Recovery = 101% Analysis Date = 07/11/01 Pct Recovery = 101% Analysis Date = 07/08/01 Pct Recovery = 101% Analysis Date = 07/08/01 Pct Recovery = 101% Analysis Date = 07/05/01 Pct Recovery = 101% Analysis Date = 07/05/01 Pct Recovery = 101% Analysis Date = 07/02/01 Pct Recovery = 101% Analysis Date = 07/02/01 Pct Recovery = 101% Analysis Date = 06/29/01 Pct Recovery = 101% Analysis Date = 06/29/01 Pct Recovery = 101% Analysis Date = 06/26/01 Pct Recovery = 101% Analysis Date = 06/26/01 Pct Recovery = 101% Analysis Date = 06/23/01 Pct Recovery = 101% Analysis Date = 06/23/01 Pct Recovery = 101% Analysis Date = 06/20/01 Pct Recovery = 101% Analysis Date = 06/20/01 Pct Recovery = 101% Analysis Date = 06/17/01 Pct Recovery = 101% Analysis Date = 06/17/01 Pct Recovery = 101% Analysis Date = 06/15/01 Pct Recovery = 102% Analysis Date = 06/15/01 Pct Recovery = 102% Analysis Date = 06/12/01 Pct Recovery = 102% Analysis Date = 06/12/01 Pct Recovery = 102% Analysis Date = 06/09/01 Pct Recovery = 102% Analysis Date = 06/09/01 Pct Recovery = 102% Analysis Date = 06/06/01 Pct Recovery = 102% Analysis Date = 06/06/01 Pct Recovery = 102% Analysis Date = 06/03/01 Pct Recovery = 102% Analysis Date = 06/03/01 Pct Recovery = 102% Analysis Date = 05/31/01 Pct Recovery = 102% Analysis Date = 05/31/01 Pct Recovery = 102% Analysis Date = 05/28/01 Pct Recovery = 102% Analysis Date = 05/28/01 Pct Recovery = 102% Analysis Date = 05/25/01 Pct Recovery = 102% Analysis Date = 05/25/01 Pct Recovery = 102% Analysis Date = 05/22/01 Pct Recovery = 102% Analysis Date = 05/22/01 Pct Recovery = 102% Analysis Date = 05/19/01 Pct Recovery = 102% Analysis Date = 05/19/01 Pct Recovery = 102% Analysis Date = 05/16/01 Pct Recovery = 103% Analysis Date = 05/16/01 Pct Recovery = 103% Analysis Date = 05/13/01 Pct Recovery = 103% Analysis Date = 05/13/01 Pct Recovery = 103% Analysis Date = 05/10/01 Pct Recovery = 103% Analysis Date = 05/10/01 Pct Recovery = 103% Analysis Date = 05/07/01 Pct Recovery = 103% Analysis Date = 05/07/01 Pct Recovery = 103% Analysis Date = 05/04/01 Pct Recovery = 103% Analysis Date = 05/04/01 Pct Recovery = 103% Analysis Date = 05/01/01 Pct Recovery = 103% Analysis Date = 05/01/01 Pct Recovery = 103% Analysis Date = 04/28/01 Pct Recovery = 103% Analysis Date = 04/28/01 Pct Recovery = 103% Analysis Date = 04/25/01 Pct Recovery = 103% Analysis Date = 04/25/01 Pct Recovery = 103% Analysis Date = 04/22/01 Pct Recovery = 103% Analysis Date = 04/22/01 Pct Recovery = 103% Analysis Date = 04/19/01 Pct Recovery = 104% Analysis Date = 04/19/01 Pct Recovery = 104% Analysis Date = 04/16/01 Pct Recovery = 104% Analysis Date = 04/16/01 Pct Recovery = 104% Analysis Date = 04/13/01 Pct Recovery = 104% Analysis Date = 04/13/01 Pct Recovery = 104% Analysis Date = 04/10/01 Pct Recovery = 104% Analysis Date = 04/10/01 Pct Recovery = 104% Analysis Date = 04/08/01 Pct Recovery = 104% Analysis Date = 04/08/01 Pct Recovery = 104% Analysis Date = 04/05/01 Pct Recovery = 104% Analysis Date = 04/05/01 Pct Recovery = 104% Analysis Date = 04/02/01 Pct Recovery = 104% Analysis Date = 04/02/01 Pct Recovery = 104% Analysis Date = 03/30/01 Pct Recovery = 104% Analysis Date = 03/30/01 Pct Recovery = 104% Analysis Date = 03/27/01 Pct Recovery = 104% Analysis Date = 03/27/01 Pct Recovery = 104% Analysis Date = 03/24/01 Pct Recovery = 104% Analysis Date = 03/24/01 Pct Recovery = 104% Analysis Date = 03/21/01 Pct Recovery = 105% Analysis Date = 03/21/01 Pct Recovery = 105% Analysis Date = 03/18/01 Pct Recovery = 105% Analysis Date = 03/18/01 Pct Recovery = 105% Analysis Date = 03/15/01 Pct Recovery = 105% Analysis Date = 03/15/01 Pct Recovery = 105% Analysis Date = 03/12/01 Pct Recovery = 105% Analysis Date = 03/12/01 Pct Recovery = 105% Analysis Date = 03/09/01 Pct Recovery = 105% Analysis Date = 03/09/01 Pct Recovery = 105% Analysis Date = 03/06/01 Pct Recovery = 105% Analysis Date = 03/06/01 Pct Recovery = 105% Analysis Date = 03/03/01 Pct Recovery = 105% Analysis Date = 03/03/01 Pct Recovery = 105% Analysis Date = 02/28/01 Pct Recovery = 105% Analysis Date = 02/28/01 Pct Recovery = 105% Analysis Date = 02/25/01 Pct Recovery = 105% Analysis Date = 02/25/01 Pct Recovery = 105% Analysis Date = 02/22/01 Pct Recovery = 105% Analysis Date = 02/22/01 Pct Recovery = 105% Analysis Date = 02/19/01 Pct Recovery = 105% Analysis Date = 02/19/01 Pct Recovery = 105% Analysis Date = 02/16/01 Pct Recovery = 105% Analysis Date = 02/16/01 Pct Recovery = 105% Analysis Date = 02/13/01 Pct Recovery = 105% Analysis Date = 02/13/01 Pct Recovery = 105% Analysis Date = 02/10/01 Pct Recovery = 105% Analysis Date = 02/10/01 Pct Recovery = 105% Analysis Date = 02/07/01 Pct Recovery = 105% Analysis Date = 02/07/01 Pct Recovery = 105% Analysis Date = 02/04/01 Pct Recovery = 105% Analysis Date = 02/04/01 Pct Recovery = 105% Analysis Date = 02/01/01 Pct Recovery = 105% Analysis Date = 02/01/01 Pct Recovery = 105% Analysis Date = 01/30/01 Pct Recovery = 105% Analysis Date = 01/30/01 Pct Recovery = 105% Analysis Date = 01/27/01 Pct Recovery = 106% Analysis Date = 01/27/01 Pct Recovery = 106% Analysis Date = 01/24/01 Pct Recovery = 106% Analysis Date = 01/24/01 Pct Recovery = 106% Analysis Date = 01/21/01 Pct Recovery = 106% Analysis Date = 01/21/01 Pct Recovery = 106% Analysis Date = 01/18/01 Pct Recovery = 106% Analysis Date = 01/18/01 Pct Recovery = 106% Analysis Date = 01/15/01 Pct Recovery = 106% Analysis Date = 01/15/01 Pct Recovery = 106% Analysis Date = 01/12/01 Pct Recovery = 106% Analysis Date = 01/12/01 Pct Recovery = 106% Analysis Date = 01/09/01 Pct Recovery = 106% Analysis Date = 01/09/01 Pct Recovery = 106% Analysis Date = 01/06/01 Pct Recovery = 106% Analysis Date = 01/06/01 Pct Recovery = 106% Analysis Date = 01/03/01 Pct Recovery = 106% Analysis Date = 01/03/01 Pct Recovery = 106% Analysis Date = 12/31/00 Pct Recovery = 106% Analysis Date = 12/31/00 Pct Recovery = 106% Analysis Date = 12/28/00 Pct Recovery = 106% Analysis Date = 12/28/00 Pct Recovery = 106% Analysis Date = 12/25/00 Pct Recovery = 106% Analysis Date = 12/25/00 Pct Recovery = 106% Analysis Date = 12/22/00 Pct Recovery = 106% Analysis Date = 12/22/00 Pct Recovery = 106% Analysis Date = 12/19/00 Pct Recovery = 106% Analysis Date = 12/19/00 Pct Recovery = 106% Analysis Date = 12/16/00 Pct Recovery = 106% Analysis Date = 12/16/00 Pct Recovery = 106% Analysis Date = 12/13/00 Pct Recovery = 106% Analysis Date = 12/13/00 Pct Recovery = 106% Analysis Date = 12/10/00 Pct Recovery = 106% Analysis Date = 12/10/00 Pct Recovery = 106% Analysis Date = 12/07/00 Pct Recovery = 106% Analysis Date = 12/07/00 Pct Recovery = 106% Analysis Date = 12/04/00 Pct Recovery = 106% Analysis Date = 12/04/00 Pct Recovery = 106% Analysis Date = 12/01/00 Pct Recovery = 106% Analysis Date = 12/01/00 Pct Recovery = 106% Analysis Date = 11/28/00 Pct Recovery = 107% Analysis Date = 11/28/00 Pct Recovery = 107% Analysis Date = 11/25/00 Pct Recovery = 107% Analysis Date = 11/25/00 Pct Recovery = 107% Analysis Date = 11/23/00 Pct Recovery = 107% Analysis Date = 11/23/00 Pct Recovery = 107% Analysis Date = 11/20/00 Pct Recovery = 107% Analysis Date = 11/20/00 Pct Recovery = 107% Analysis Date = 11/17/00 Pct Recovery = 107% Analysis Date = 11/17/00 Pct Recovery = 107% Analysis Date = 11/14/00 Pct Recovery = 107% Analysis Date = 11/14/00 Pct Recovery = 107% Analysis Date = 11/11/00 Pct Recovery = 107% Analysis Date = 11/11/00 Pct Recovery = 107% Analysis Date = 11/08/00 Pct Recovery = 107% Analysis Date = 11/08/00 Pct Recovery = 107% Analysis Date = 11/05/00 Pct Recovery = 107% Analysis Date = 11/05/00 Pct Recovery = 107% Analysis Date = 11/02/00 Pct Recovery = 107% Analysis Date = 11/02/00 Pct Recovery = 107% Analysis Date = 10/30/00 Pct Recovery = 107% Analysis Date = 10/30/00 Pct Recovery = 107% Analysis Date = 10/27/00 Pct Recovery = 107% Analysis Date = 10/27/00 Pct Recovery = 107% Analysis Date = 10/24/00 Pct Recovery = 107% Analysis Date = 10/24/00 Pct Recovery = 107% Analysis Date = 10/21/00 Pct Recovery = 107% Analysis Date = 10/21/00 Pct Recovery = 107% Analysis Date = 10/18/00 Pct Recovery = 107% Analysis Date = 10/18/00 Pct Recovery = 107% Analysis Date = 10/15/00 Pct Recovery = 107% Analysis Date = 10/15/00 Pct Recovery = 107% Analysis Date = 10/12/00 Pct Recovery = 107% Analysis Date = 10/12/00 Pct Recovery = 107% Analysis Date = 10/09/00 Pct Recovery = 107% Analysis Date = 10/09/00 Pct Recovery = 107% Analysis Date = 10/06/00 Pct Recovery = 107% Analysis Date = 10/06/00 Pct Recovery = 107% Analysis Date = 10/03/00 Pct Recovery = 107% Analysis Date = 10/03/00 Pct Recovery = 107% Analysis Date = 09/30/00 Pct Recovery = 107% Analysis Date = 09/30/00 Pct Recovery = 107% Analysis Date = 09/27/00 Pct Recovery = 107% Analysis Date = 09/27/00 Pct Recovery = 107% Analysis Date = 09/24/00 Pct Recovery = 107% Analysis Date = 09/24/00 Pct Recovery = 107% Analysis Date = 09/21/00 Pct Recovery = 106% Analysis Date = 09/21/00 Pct Recovery = 106% Analysis Date = 09/18/00 Pct Recovery = 106% Analysis Date = 09/18/00 Pct Recovery = 106% Analysis Date = 09/15/00 Pct Recovery = 106% Analysis Date = 09/15/00 Pct Recovery = 106% Analysis Date = 09/13/00 Pct Recovery = 106% Analysis Date = 09/13/00 Pct Recovery = 106% Analysis Date = 09/10/00 Pct Recovery = 106% Analysis Date = 09/10/00 Pct Recovery = 106% Analysis Date = 09/07/00 Pct Recovery = 106% Analysis Date = 09/07/00 Pct Recovery = 106% Analysis Date = 09/04/00 Pct Recovery = 106% Analysis Date = 09/04/00 Pct Recovery = 106% Analysis Date = 09/01/00 Pct Recovery = 106% Analysis Date = 09/01/00 Pct Recovery = 106% Analysis Date = 08/29/00 Pct Recovery = 106% Analysis Date = 08/29/00 Pct Recovery = 106% Analysis Date = 08/26/00 Pct Recovery = 106% Analysis Date = 08/26/00 Pct Recovery = 106% Analysis Date = 08/23/00 Pct Recovery = 106% Analysis Date = 08/23/00 Pct Recovery = 106% Analysis Date = 08/20/00 Pct Recovery = 105% Analysis Date = 08/20/00 Pct Recovery = 105% Analysis Date = 08/17/00 Pct Recovery = 105% Analysis Date = 08/17/00 Pct Recovery = 105% Analysis Date = 08/14/00 Pct Recovery = 105% Analysis Date = 08/14/00 Pct Recovery = 105% Analysis Date = 08/11/00 Pct Recovery = 105% Analysis Date = 08/11/00 Pct Recovery = 105% Analysis Date = 08/08/00 Pct Recovery = 105% Analysis Date = 08/08/00 Pct Recovery = 105% Analysis Date = 08/05/00 Pct Recovery = 105% Analysis Date = 08/05/00 Pct Recovery = 105% Analysis Date = 08/02/00 Pct Recovery = 105% Analysis Date = 08/02/00 Pct Recovery = 105% Analysis Date = 07/30/00 Pct Recovery = 105% Analysis Date = 07/30/00 Pct Recovery = 105% Analysis Date = 07/27/00 Pct Recovery = 105% Analysis Date = 07/27/00 Pct Recovery = 105% Analysis Date = 07/24/00 Pct Recovery = 105% Analysis Date = 07/24/00 Pct Recovery = 105% Analysis Date = 07/21/00 Pct Recovery = 105% Analysis Date = 07/21/00 Pct Recovery = 105% Analysis Date = 07/18/00 Pct Recovery = 105% Analysis Date = 07/18/00 Pct Recovery = 105% Analysis Date = 07/15/00 Pct Recovery = 104% Analysis Date = 07/15/00 Pct Recovery = 104% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/09/00 Pct Recovery = 104% Analysis Date = 07/09/00 Pct Recovery = 104% Analysis Date = 07/07/00 Pct Recovery = 104% Analysis Date = 07/07/00 Pct Recovery = 104% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 07/01/00 Pct Recovery = 104% Analysis Date = 07/01/00 Pct Recovery = 104% Analysis Date = 06/28/00 Pct Recovery = 104% Analysis Date = 06/28/00 Pct Recovery = 104% Analysis Date = 06/25/00 Pct Recovery = 104% Analysis Date = 06/25/00 Pct Recovery = 104% Analysis Date = 06/22/00 Pct Recovery = 104% Analysis Date = 06/22/00 Pct Recovery = 104% Analysis Date = 06/19/00 Pct Recovery = 104% Analysis Date = 06/19/00 Pct Recovery = 104% Analysis Date = 06/16/00 Pct Recovery = 104% Analysis Date = 06/16/00 Pct Recovery = 104% Analysis Date = 06/13/00 Pct Recovery = 104% Analysis Date = 06/13/00 Pct Recovery = 104% Analysis Date = 06/10/00 Pct Recovery = 104% Analysis Date = 06/10/00 Pct Recovery = 104% Analysis Date = 06/07/00 Pct Recovery = 104% Analysis Date = 06/07/00 Pct Recovery = 104% Analysis Date = 06/04/00 Pct Recovery = 105% Analysis Date = 06/04/00 Pct Recovery = 105% Analysis Date = 06/01/00 Pct Recovery = 105% Analysis Date = 06/01/00 Pct Recovery = 105% Analysis Date = 05/29/00 Pct Recovery = 105% Analysis Date = 05/29/00 Pct Recovery = 105% Analysis Date = 05/26/00 Pct Recovery = 106% Analysis Date = 05/26/00 Pct Recovery = 106% Analysis Date = 05/23/00 Pct Recovery = 106% Analysis Date = 05/23/00 Pct Recovery = 106% Analysis Date = 05/20/00 Pct Recovery = 106% Analysis Date = 05/20/00 Pct Recovery = 106% Analysis Date = 05/17/00 Pct Recovery = 106% Analysis Date = 05/17/00 Pct Recovery = 106% Analysis Date = 05/14/00 Pct Recovery = 106% Analysis Date = 05/14/00 Pct Recovery = 106% Analysis Date = 05/11/00 Pct Recovery = 107% Analysis Date = 05/11/00 Pct Recovery = 107% Analysis Date = 05/08/00 Pct Recovery = 107% Analysis Date = 05/08/00 Pct Recovery = 107% Analysis Date = 05/05/00 Pct Recovery = 107% Analysis Date = 05/05/00 Pct Recovery = 107% Analysis Date = 05/02/00 Pct Recovery = 107% Analysis Date = 05/02/00 Pct Recovery = 107% Analysis Date = 04/30/00 Pct Recovery = 107% Analysis Date = 04/30/00 Pct Recovery = 107% Analysis Date = 04/27/00 Pct Recovery = 107% Analysis Date = 04/27/00 Pct Recovery = 107% Analysis Date = 04/24/00 Pct Recovery = 107% Analysis Date = 04/24/00 Pct Recovery = 107% Analysis Date = 04/21/00 Pct Recovery = 107% Analysis Date = 04/21/00 Pct Recovery = 107% Analysis Date = 04/18/00 Pct Recovery = 107% Analysis Date = 04/18/00 Pct Recovery = 107% Analysis Date = 04/15/00 Pct Recovery = 108% Analysis Date = 04/15/00 Pct Recovery = 108% Analysis Date = 04/12/00 Pct Recovery = 108% Analysis Date = 04/12/00 Pct Recovery = 108% Analysis Date = 04/09/00 Pct Recovery = 108% Analysis Date = 04/09/00 Pct Recovery = 108% Analysis Date = 04/06/00 Pct Recovery = 108% Analysis Date = 04/06/00 Pct Recovery = 108% Analysis Date = 04/03/00 Pct Recovery = 108% Analysis Date = 04/03/00 Pct Recovery = 108% Analysis Date = 03/31/00 Pct Recovery = 108% Analysis Date = 03/31/00 Pct Recovery = 108% Analysis Date = 03/28/00 Pct Recovery = 108% Analysis Date = 03/28/00 Pct Recovery = 108% Analysis Date = 03/25/00 Pct Recovery = 108% Analysis Date = 03/25/00 Pct Recovery = 108% Analysis Date = 03/22/00 Pct Recovery = 108% Analysis Date = 03/22/00 Pct Recovery = 108% Analysis Date = 03/19/00 Pct Recovery = 108% Analysis Date = 03/19/00 Pct Recovery = 108% Analysis Date = 03/16/00 Pct Recovery = 108% Analysis Date = 03/16/00 Pct Recovery = 108% Analysis Date = 03/13/00 Pct Recovery = 108% Analysis Date = 03/13/00 Pct Recovery = 108% Analysis Date = 03/10/00 Pct Recovery = 107% Analysis Date = 03/10/00 Pct Recovery = 107% Analysis Date = 03/07/00 Pct Recovery = 107% Analysis Date = 03/07/00 Pct Recovery = 107% Analysis Date = 03/04/00 Pct Recovery = 107% Analysis Date = 03/04/00 Pct Recovery = 107% Analysis Date = 03/01/00 Pct Recovery = 107% Analysis Date = 03/01/00 Pct Recovery = 107% Analysis Date = 02/27/00 Pct Recovery = 107% Analysis Date = 02/27/00 Pct Recovery = 107% Analysis Date = 02/24/00 Pct Recovery = 107% Analysis Date = 02/24/00 Pct Recovery = 107% Analysis Date = 02/22/00 Pct Recovery = 107% Analysis Date = 02/22/00 Pct Recovery = 107% Analysis Date = 02/19/00 Pct Recovery = 107% Analysis Date = 02/19/00 Pct Recovery = 107% Analysis Date = 02/16/00 Pct Recovery = 107% Analysis Date = 02/16/00 Pct Recovery = 107% Analysis Date = 02/13/00 Pct Recovery = 107% Analysis Date = 02/13/00 Pct Recovery = 107% Analysis Date = 02/10/00 Pct Recovery = 107% Analysis Date = 02/10/00 Pct Recovery = 107% Analysis Date = 02/07/00 Pct Recovery = 107% Analysis Date = 02/07/00 Pct Recovery = 107% Analysis Date = 02/04/00 Pct Recovery = 107% Analysis Date = 02/04/00 Pct Recovery = 107% Analysis Date = 02/01/00 Pct Recovery = 107% Analysis Date = 02/01/00 Pct Recovery = 107% Analysis Date = 01/29/00 Pct Recovery = 107% Analysis Date = 01/29/00 Pct Recovery = 107% Analysis Date = 01/26/00 Pct Recovery = 108% Analysis Date = 01/26/00 Pct Recovery = 108% Analysis Date = 01/23/00 Pct Recovery = 108% Analysis Date = 01/23/00 Pct Recovery = 108% Analysis Date = 01/20/00 Pct Recovery = 108% Analysis Date = 01/20/00 Pct Recovery = 108% Analysis Date = 01/17/00 Pct Recovery = 108% Analysis Date = 01/17/00 Pct Recovery = 108% Analysis Date = 01/14/00 Pct Recovery = 108% Analysis Date = 01/14/00 Pct Recovery = 108% Analysis Date = 01/11/00 Pct Recovery = 108% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,1-DICHLOROETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 18 106% 7% 105% 8%
Total 18 106% 7% 105% 8%

Sample Statistics
1,1-DICHLOROETHANE

Characteristic N % % Basis
Plotted 18 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 18 .  
False Negatives 0 0% 0 out of 18
Not Spiked 18 .  
False Positives 0 0% 0 out of 18

BQS OBSP Determination:
1,1-DICHLOROETHYLENE
METHOD: 4054 , TESTIDCODE: 34501GCM66
Open Data Set

Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 100% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 118% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 100% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 111% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 110% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 91% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 89% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 96% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 107% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 108% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 150% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 100% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 91% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 106% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 96% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 100% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 122% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 113% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 99% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 105% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 100% Analysis Date = 08/24/01 Pct Recovery = 107% Analysis Date = 08/22/01 Pct Recovery = 107% Analysis Date = 08/22/01 Pct Recovery = 107% Analysis Date = 08/19/01 Pct Recovery = 107% Analysis Date = 08/19/01 Pct Recovery = 107% Analysis Date = 08/16/01 Pct Recovery = 107% Analysis Date = 08/16/01 Pct Recovery = 107% Analysis Date = 08/13/01 Pct Recovery = 107% Analysis Date = 08/13/01 Pct Recovery = 107% Analysis Date = 08/10/01 Pct Recovery = 107% Analysis Date = 08/10/01 Pct Recovery = 107% Analysis Date = 08/07/01 Pct Recovery = 107% Analysis Date = 08/07/01 Pct Recovery = 107% Analysis Date = 08/04/01 Pct Recovery = 107% Analysis Date = 08/04/01 Pct Recovery = 107% Analysis Date = 08/01/01 Pct Recovery = 107% Analysis Date = 08/01/01 Pct Recovery = 107% Analysis Date = 07/29/01 Pct Recovery = 107% Analysis Date = 07/29/01 Pct Recovery = 107% Analysis Date = 07/26/01 Pct Recovery = 107% Analysis Date = 07/26/01 Pct Recovery = 107% Analysis Date = 07/23/01 Pct Recovery = 107% Analysis Date = 07/23/01 Pct Recovery = 107% Analysis Date = 07/20/01 Pct Recovery = 107% Analysis Date = 07/20/01 Pct Recovery = 107% Analysis Date = 07/17/01 Pct Recovery = 107% Analysis Date = 07/17/01 Pct Recovery = 107% Analysis Date = 07/14/01 Pct Recovery = 107% Analysis Date = 07/14/01 Pct Recovery = 107% Analysis Date = 07/11/01 Pct Recovery = 107% Analysis Date = 07/11/01 Pct Recovery = 107% Analysis Date = 07/08/01 Pct Recovery = 107% Analysis Date = 07/08/01 Pct Recovery = 107% Analysis Date = 07/05/01 Pct Recovery = 107% Analysis Date = 07/05/01 Pct Recovery = 107% Analysis Date = 07/02/01 Pct Recovery = 106% Analysis Date = 07/02/01 Pct Recovery = 106% Analysis Date = 06/29/01 Pct Recovery = 106% Analysis Date = 06/29/01 Pct Recovery = 106% Analysis Date = 06/26/01 Pct Recovery = 106% Analysis Date = 06/26/01 Pct Recovery = 106% Analysis Date = 06/23/01 Pct Recovery = 106% Analysis Date = 06/23/01 Pct Recovery = 106% Analysis Date = 06/20/01 Pct Recovery = 106% Analysis Date = 06/20/01 Pct Recovery = 106% Analysis Date = 06/17/01 Pct Recovery = 106% Analysis Date = 06/17/01 Pct Recovery = 106% Analysis Date = 06/15/01 Pct Recovery = 106% Analysis Date = 06/15/01 Pct Recovery = 106% Analysis Date = 06/12/01 Pct Recovery = 106% Analysis Date = 06/12/01 Pct Recovery = 106% Analysis Date = 06/09/01 Pct Recovery = 106% Analysis Date = 06/09/01 Pct Recovery = 106% Analysis Date = 06/06/01 Pct Recovery = 106% Analysis Date = 06/06/01 Pct Recovery = 106% Analysis Date = 06/03/01 Pct Recovery = 106% Analysis Date = 06/03/01 Pct Recovery = 106% Analysis Date = 05/31/01 Pct Recovery = 106% Analysis Date = 05/31/01 Pct Recovery = 106% Analysis Date = 05/28/01 Pct Recovery = 106% Analysis Date = 05/28/01 Pct Recovery = 106% Analysis Date = 05/25/01 Pct Recovery = 106% Analysis Date = 05/25/01 Pct Recovery = 106% Analysis Date = 05/22/01 Pct Recovery = 106% Analysis Date = 05/22/01 Pct Recovery = 106% Analysis Date = 05/19/01 Pct Recovery = 106% Analysis Date = 05/19/01 Pct Recovery = 106% Analysis Date = 05/16/01 Pct Recovery = 106% Analysis Date = 05/16/01 Pct Recovery = 106% Analysis Date = 05/13/01 Pct Recovery = 106% Analysis Date = 05/13/01 Pct Recovery = 106% Analysis Date = 05/10/01 Pct Recovery = 106% Analysis Date = 05/10/01 Pct Recovery = 106% Analysis Date = 05/07/01 Pct Recovery = 106% Analysis Date = 05/07/01 Pct Recovery = 106% Analysis Date = 05/04/01 Pct Recovery = 106% Analysis Date = 05/04/01 Pct Recovery = 106% Analysis Date = 05/01/01 Pct Recovery = 106% Analysis Date = 05/01/01 Pct Recovery = 106% Analysis Date = 04/28/01 Pct Recovery = 106% Analysis Date = 04/28/01 Pct Recovery = 106% Analysis Date = 04/25/01 Pct Recovery = 106% Analysis Date = 04/25/01 Pct Recovery = 106% Analysis Date = 04/22/01 Pct Recovery = 106% Analysis Date = 04/22/01 Pct Recovery = 106% Analysis Date = 04/19/01 Pct Recovery = 106% Analysis Date = 04/19/01 Pct Recovery = 106% Analysis Date = 04/16/01 Pct Recovery = 106% Analysis Date = 04/16/01 Pct Recovery = 106% Analysis Date = 04/13/01 Pct Recovery = 106% Analysis Date = 04/13/01 Pct Recovery = 106% Analysis Date = 04/10/01 Pct Recovery = 106% Analysis Date = 04/10/01 Pct Recovery = 106% Analysis Date = 04/08/01 Pct Recovery = 106% Analysis Date = 04/08/01 Pct Recovery = 106% Analysis Date = 04/05/01 Pct Recovery = 106% Analysis Date = 04/05/01 Pct Recovery = 106% Analysis Date = 04/02/01 Pct Recovery = 106% Analysis Date = 04/02/01 Pct Recovery = 106% Analysis Date = 03/30/01 Pct Recovery = 106% Analysis Date = 03/30/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/24/01 Pct Recovery = 106% Analysis Date = 03/24/01 Pct Recovery = 106% Analysis Date = 03/21/01 Pct Recovery = 106% Analysis Date = 03/21/01 Pct Recovery = 106% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/12/01 Pct Recovery = 105% Analysis Date = 03/12/01 Pct Recovery = 105% Analysis Date = 03/09/01 Pct Recovery = 105% Analysis Date = 03/09/01 Pct Recovery = 105% Analysis Date = 03/06/01 Pct Recovery = 105% Analysis Date = 03/06/01 Pct Recovery = 105% Analysis Date = 03/03/01 Pct Recovery = 105% Analysis Date = 03/03/01 Pct Recovery = 105% Analysis Date = 02/28/01 Pct Recovery = 105% Analysis Date = 02/28/01 Pct Recovery = 105% Analysis Date = 02/25/01 Pct Recovery = 105% Analysis Date = 02/25/01 Pct Recovery = 105% Analysis Date = 02/22/01 Pct Recovery = 105% Analysis Date = 02/22/01 Pct Recovery = 105% Analysis Date = 02/19/01 Pct Recovery = 105% Analysis Date = 02/19/01 Pct Recovery = 105% Analysis Date = 02/16/01 Pct Recovery = 105% Analysis Date = 02/16/01 Pct Recovery = 105% Analysis Date = 02/13/01 Pct Recovery = 105% Analysis Date = 02/13/01 Pct Recovery = 105% Analysis Date = 02/10/01 Pct Recovery = 105% Analysis Date = 02/10/01 Pct Recovery = 105% Analysis Date = 02/07/01 Pct Recovery = 105% Analysis Date = 02/07/01 Pct Recovery = 105% Analysis Date = 02/04/01 Pct Recovery = 105% Analysis Date = 02/04/01 Pct Recovery = 105% Analysis Date = 02/01/01 Pct Recovery = 104% Analysis Date = 02/01/01 Pct Recovery = 104% Analysis Date = 01/30/01 Pct Recovery = 104% Analysis Date = 01/30/01 Pct Recovery = 104% Analysis Date = 01/27/01 Pct Recovery = 104% Analysis Date = 01/27/01 Pct Recovery = 104% Analysis Date = 01/24/01 Pct Recovery = 104% Analysis Date = 01/24/01 Pct Recovery = 104% Analysis Date = 01/21/01 Pct Recovery = 104% Analysis Date = 01/21/01 Pct Recovery = 104% Analysis Date = 01/18/01 Pct Recovery = 104% Analysis Date = 01/18/01 Pct Recovery = 104% Analysis Date = 01/15/01 Pct Recovery = 104% Analysis Date = 01/15/01 Pct Recovery = 104% Analysis Date = 01/12/01 Pct Recovery = 104% Analysis Date = 01/12/01 Pct Recovery = 104% Analysis Date = 01/09/01 Pct Recovery = 104% Analysis Date = 01/09/01 Pct Recovery = 104% Analysis Date = 01/06/01 Pct Recovery = 104% Analysis Date = 01/06/01 Pct Recovery = 104% Analysis Date = 01/03/01 Pct Recovery = 104% Analysis Date = 01/03/01 Pct Recovery = 104% Analysis Date = 12/31/00 Pct Recovery = 104% Analysis Date = 12/31/00 Pct Recovery = 104% Analysis Date = 12/28/00 Pct Recovery = 104% Analysis Date = 12/28/00 Pct Recovery = 104% Analysis Date = 12/25/00 Pct Recovery = 103% Analysis Date = 12/25/00 Pct Recovery = 103% Analysis Date = 12/22/00 Pct Recovery = 103% Analysis Date = 12/22/00 Pct Recovery = 103% Analysis Date = 12/19/00 Pct Recovery = 103% Analysis Date = 12/19/00 Pct Recovery = 103% Analysis Date = 12/16/00 Pct Recovery = 103% Analysis Date = 12/16/00 Pct Recovery = 103% Analysis Date = 12/13/00 Pct Recovery = 103% Analysis Date = 12/13/00 Pct Recovery = 103% Analysis Date = 12/10/00 Pct Recovery = 103% Analysis Date = 12/10/00 Pct Recovery = 103% Analysis Date = 12/07/00 Pct Recovery = 103% Analysis Date = 12/07/00 Pct Recovery = 103% Analysis Date = 12/04/00 Pct Recovery = 103% Analysis Date = 12/04/00 Pct Recovery = 103% Analysis Date = 12/01/00 Pct Recovery = 103% Analysis Date = 12/01/00 Pct Recovery = 103% Analysis Date = 11/28/00 Pct Recovery = 103% Analysis Date = 11/28/00 Pct Recovery = 103% Analysis Date = 11/25/00 Pct Recovery = 103% Analysis Date = 11/25/00 Pct Recovery = 103% Analysis Date = 11/23/00 Pct Recovery = 103% Analysis Date = 11/23/00 Pct Recovery = 103% Analysis Date = 11/20/00 Pct Recovery = 103% Analysis Date = 11/20/00 Pct Recovery = 103% Analysis Date = 11/17/00 Pct Recovery = 102% Analysis Date = 11/17/00 Pct Recovery = 102% Analysis Date = 11/14/00 Pct Recovery = 102% Analysis Date = 11/14/00 Pct Recovery = 102% Analysis Date = 11/11/00 Pct Recovery = 102% Analysis Date = 11/11/00 Pct Recovery = 102% Analysis Date = 11/08/00 Pct Recovery = 102% Analysis Date = 11/08/00 Pct Recovery = 102% Analysis Date = 11/05/00 Pct Recovery = 102% Analysis Date = 11/05/00 Pct Recovery = 102% Analysis Date = 11/02/00 Pct Recovery = 103% Analysis Date = 11/02/00 Pct Recovery = 103% Analysis Date = 10/30/00 Pct Recovery = 103% Analysis Date = 10/30/00 Pct Recovery = 103% Analysis Date = 10/27/00 Pct Recovery = 103% Analysis Date = 10/27/00 Pct Recovery = 103% Analysis Date = 10/24/00 Pct Recovery = 103% Analysis Date = 10/24/00 Pct Recovery = 103% Analysis Date = 10/21/00 Pct Recovery = 103% Analysis Date = 10/21/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/15/00 Pct Recovery = 103% Analysis Date = 10/15/00 Pct Recovery = 103% Analysis Date = 10/12/00 Pct Recovery = 103% Analysis Date = 10/12/00 Pct Recovery = 103% Analysis Date = 10/09/00 Pct Recovery = 103% Analysis Date = 10/09/00 Pct Recovery = 103% Analysis Date = 10/06/00 Pct Recovery = 103% Analysis Date = 10/06/00 Pct Recovery = 103% Analysis Date = 10/03/00 Pct Recovery = 103% Analysis Date = 10/03/00 Pct Recovery = 103% Analysis Date = 09/30/00 Pct Recovery = 103% Analysis Date = 09/30/00 Pct Recovery = 103% Analysis Date = 09/27/00 Pct Recovery = 103% Analysis Date = 09/27/00 Pct Recovery = 103% Analysis Date = 09/24/00 Pct Recovery = 103% Analysis Date = 09/24/00 Pct Recovery = 103% Analysis Date = 09/21/00 Pct Recovery = 103% Analysis Date = 09/21/00 Pct Recovery = 103% Analysis Date = 09/18/00 Pct Recovery = 103% Analysis Date = 09/18/00 Pct Recovery = 103% Analysis Date = 09/15/00 Pct Recovery = 103% Analysis Date = 09/15/00 Pct Recovery = 103% Analysis Date = 09/13/00 Pct Recovery = 103% Analysis Date = 09/13/00 Pct Recovery = 103% Analysis Date = 09/10/00 Pct Recovery = 103% Analysis Date = 09/10/00 Pct Recovery = 103% Analysis Date = 09/07/00 Pct Recovery = 103% Analysis Date = 09/07/00 Pct Recovery = 103% Analysis Date = 09/04/00 Pct Recovery = 103% Analysis Date = 09/04/00 Pct Recovery = 103% Analysis Date = 09/01/00 Pct Recovery = 103% Analysis Date = 09/01/00 Pct Recovery = 103% Analysis Date = 08/29/00 Pct Recovery = 103% Analysis Date = 08/29/00 Pct Recovery = 103% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/20/00 Pct Recovery = 103% Analysis Date = 08/20/00 Pct Recovery = 103% Analysis Date = 08/17/00 Pct Recovery = 103% Analysis Date = 08/17/00 Pct Recovery = 103% Analysis Date = 08/14/00 Pct Recovery = 103% Analysis Date = 08/14/00 Pct Recovery = 103% Analysis Date = 08/11/00 Pct Recovery = 103% Analysis Date = 08/11/00 Pct Recovery = 103% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/27/00 Pct Recovery = 102% Analysis Date = 07/27/00 Pct Recovery = 102% Analysis Date = 07/24/00 Pct Recovery = 102% Analysis Date = 07/24/00 Pct Recovery = 102% Analysis Date = 07/21/00 Pct Recovery = 103% Analysis Date = 07/21/00 Pct Recovery = 103% Analysis Date = 07/18/00 Pct Recovery = 103% Analysis Date = 07/18/00 Pct Recovery = 103% Analysis Date = 07/15/00 Pct Recovery = 103% Analysis Date = 07/15/00 Pct Recovery = 103% Analysis Date = 07/12/00 Pct Recovery = 103% Analysis Date = 07/12/00 Pct Recovery = 103% Analysis Date = 07/09/00 Pct Recovery = 103% Analysis Date = 07/09/00 Pct Recovery = 103% Analysis Date = 07/07/00 Pct Recovery = 103% Analysis Date = 07/07/00 Pct Recovery = 103% Analysis Date = 07/04/00 Pct Recovery = 103% Analysis Date = 07/04/00 Pct Recovery = 103% Analysis Date = 07/01/00 Pct Recovery = 103% Analysis Date = 07/01/00 Pct Recovery = 103% Analysis Date = 06/28/00 Pct Recovery = 103% Analysis Date = 06/28/00 Pct Recovery = 103% Analysis Date = 06/25/00 Pct Recovery = 103% Analysis Date = 06/25/00 Pct Recovery = 103% Analysis Date = 06/22/00 Pct Recovery = 104% Analysis Date = 06/22/00 Pct Recovery = 104% Analysis Date = 06/19/00 Pct Recovery = 104% Analysis Date = 06/19/00 Pct Recovery = 104% Analysis Date = 06/16/00 Pct Recovery = 104% Analysis Date = 06/16/00 Pct Recovery = 104% Analysis Date = 06/13/00 Pct Recovery = 104% Analysis Date = 06/13/00 Pct Recovery = 104% Analysis Date = 06/10/00 Pct Recovery = 104% Analysis Date = 06/10/00 Pct Recovery = 104% Analysis Date = 06/07/00 Pct Recovery = 104% Analysis Date = 06/07/00 Pct Recovery = 104% Analysis Date = 06/04/00 Pct Recovery = 104% Analysis Date = 06/04/00 Pct Recovery = 104% Analysis Date = 06/01/00 Pct Recovery = 104% Analysis Date = 06/01/00 Pct Recovery = 104% Analysis Date = 05/29/00 Pct Recovery = 104% Analysis Date = 05/29/00 Pct Recovery = 104% Analysis Date = 05/26/00 Pct Recovery = 104% Analysis Date = 05/26/00 Pct Recovery = 104% Analysis Date = 05/23/00 Pct Recovery = 104% Analysis Date = 05/23/00 Pct Recovery = 104% Analysis Date = 05/20/00 Pct Recovery = 104% Analysis Date = 05/20/00 Pct Recovery = 104% Analysis Date = 05/17/00 Pct Recovery = 104% Analysis Date = 05/17/00 Pct Recovery = 104% Analysis Date = 05/14/00 Pct Recovery = 104% Analysis Date = 05/14/00 Pct Recovery = 104% Analysis Date = 05/11/00 Pct Recovery = 104% Analysis Date = 05/11/00 Pct Recovery = 104% Analysis Date = 05/08/00 Pct Recovery = 104% Analysis Date = 05/08/00 Pct Recovery = 104% Analysis Date = 05/05/00 Pct Recovery = 104% Analysis Date = 05/05/00 Pct Recovery = 104% Analysis Date = 05/02/00 Pct Recovery = 104% Analysis Date = 05/02/00 Pct Recovery = 104% Analysis Date = 04/30/00 Pct Recovery = 105% Analysis Date = 04/30/00 Pct Recovery = 105% Analysis Date = 04/27/00 Pct Recovery = 105% Analysis Date = 04/27/00 Pct Recovery = 105% Analysis Date = 04/24/00 Pct Recovery = 104% Analysis Date = 04/24/00 Pct Recovery = 104% Analysis Date = 04/21/00 Pct Recovery = 104% Analysis Date = 04/21/00 Pct Recovery = 104% Analysis Date = 04/18/00 Pct Recovery = 104% Analysis Date = 04/18/00 Pct Recovery = 104% Analysis Date = 04/15/00 Pct Recovery = 104% Analysis Date = 04/15/00 Pct Recovery = 104% Analysis Date = 04/12/00 Pct Recovery = 103% Analysis Date = 04/12/00 Pct Recovery = 103% Analysis Date = 04/09/00 Pct Recovery = 103% Analysis Date = 04/09/00 Pct Recovery = 103% Analysis Date = 04/06/00 Pct Recovery = 103% Analysis Date = 04/06/00 Pct Recovery = 103% Analysis Date = 04/03/00 Pct Recovery = 103% Analysis Date = 04/03/00 Pct Recovery = 103% Analysis Date = 03/31/00 Pct Recovery = 102% Analysis Date = 03/31/00 Pct Recovery = 102% Analysis Date = 03/28/00 Pct Recovery = 102% Analysis Date = 03/28/00 Pct Recovery = 102% Analysis Date = 03/25/00 Pct Recovery = 101% Analysis Date = 03/25/00 Pct Recovery = 101% Analysis Date = 03/22/00 Pct Recovery = 101% Analysis Date = 03/22/00 Pct Recovery = 101% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/16/00 Pct Recovery = 102% Analysis Date = 03/16/00 Pct Recovery = 102% Analysis Date = 03/13/00 Pct Recovery = 103% Analysis Date = 03/13/00 Pct Recovery = 103% Analysis Date = 03/10/00 Pct Recovery = 103% Analysis Date = 03/10/00 Pct Recovery = 103% Analysis Date = 03/07/00 Pct Recovery = 104% Analysis Date = 03/07/00 Pct Recovery = 104% Analysis Date = 03/04/00 Pct Recovery = 104% Analysis Date = 03/04/00 Pct Recovery = 104% Analysis Date = 03/01/00 Pct Recovery = 104% Analysis Date = 03/01/00 Pct Recovery = 104% Analysis Date = 02/27/00 Pct Recovery = 105% Analysis Date = 02/27/00 Pct Recovery = 105% Analysis Date = 02/24/00 Pct Recovery = 105% Analysis Date = 02/24/00 Pct Recovery = 105% Analysis Date = 02/22/00 Pct Recovery = 106% Analysis Date = 02/22/00 Pct Recovery = 106% Analysis Date = 02/19/00 Pct Recovery = 107% Analysis Date = 02/19/00 Pct Recovery = 107% Analysis Date = 02/16/00 Pct Recovery = 108% Analysis Date = 02/16/00 Pct Recovery = 108% Analysis Date = 02/13/00 Pct Recovery = 109% Analysis Date = 02/13/00 Pct Recovery = 109% Analysis Date = 02/10/00 Pct Recovery = 110% Analysis Date = 02/10/00 Pct Recovery = 110% Analysis Date = 02/07/00 Pct Recovery = 110% Analysis Date = 02/07/00 Pct Recovery = 110% Analysis Date = 02/04/00 Pct Recovery = 111% Analysis Date = 02/04/00 Pct Recovery = 111% Analysis Date = 02/01/00 Pct Recovery = 112% Analysis Date = 02/01/00 Pct Recovery = 112% Analysis Date = 01/29/00 Pct Recovery = 113% Analysis Date = 01/29/00 Pct Recovery = 113% Analysis Date = 01/26/00 Pct Recovery = 114% Analysis Date = 01/26/00 Pct Recovery = 114% Analysis Date = 01/23/00 Pct Recovery = 115% Analysis Date = 01/23/00 Pct Recovery = 115% Analysis Date = 01/20/00 Pct Recovery = 116% Analysis Date = 01/20/00 Pct Recovery = 116% Analysis Date = 01/17/00 Pct Recovery = 116% Analysis Date = 01/17/00 Pct Recovery = 116% Analysis Date = 01/14/00 Pct Recovery = 117% Analysis Date = 01/14/00 Pct Recovery = 117% Analysis Date = 01/11/00 Pct Recovery = 118% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,1-DICHLOROETHYLENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 105% 13% 100% 8%
Total 21 105% 13% 100% 8%

Sample Statistics
1,1-DICHLOROETHYLENE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
1,1-DICHLOROPROPENE
METHOD: 4054 , TESTIDCODE: 77168GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 124% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 93% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 110% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 126% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 120% Analysis Date = 11/15/00 Pct Recovery = 124% Analysis Date = 11/13/00 Pct Recovery = 124% Analysis Date = 11/13/00 Pct Recovery = 124% Analysis Date = 11/12/00 Pct Recovery = 123% Analysis Date = 11/12/00 Pct Recovery = 123% Analysis Date = 11/11/00 Pct Recovery = 123% Analysis Date = 11/11/00 Pct Recovery = 123% Analysis Date = 11/10/00 Pct Recovery = 123% Analysis Date = 11/10/00 Pct Recovery = 123% Analysis Date = 11/08/00 Pct Recovery = 122% Analysis Date = 11/08/00 Pct Recovery = 122% Analysis Date = 11/07/00 Pct Recovery = 122% Analysis Date = 11/07/00 Pct Recovery = 122% Analysis Date = 11/06/00 Pct Recovery = 121% Analysis Date = 11/06/00 Pct Recovery = 121% Analysis Date = 11/04/00 Pct Recovery = 121% Analysis Date = 11/04/00 Pct Recovery = 121% Analysis Date = 11/03/00 Pct Recovery = 120% Analysis Date = 11/03/00 Pct Recovery = 120% Analysis Date = 11/02/00 Pct Recovery = 120% Analysis Date = 11/02/00 Pct Recovery = 120% Analysis Date = 10/31/00 Pct Recovery = 119% Analysis Date = 10/31/00 Pct Recovery = 119% Analysis Date = 10/30/00 Pct Recovery = 119% Analysis Date = 10/30/00 Pct Recovery = 119% Analysis Date = 10/29/00 Pct Recovery = 118% Analysis Date = 10/29/00 Pct Recovery = 118% Analysis Date = 10/27/00 Pct Recovery = 118% Analysis Date = 10/27/00 Pct Recovery = 118% Analysis Date = 10/26/00 Pct Recovery = 118% Analysis Date = 10/26/00 Pct Recovery = 118% Analysis Date = 10/25/00 Pct Recovery = 117% Analysis Date = 10/25/00 Pct Recovery = 117% Analysis Date = 10/23/00 Pct Recovery = 117% Analysis Date = 10/23/00 Pct Recovery = 117% Analysis Date = 10/22/00 Pct Recovery = 116% Analysis Date = 10/22/00 Pct Recovery = 116% Analysis Date = 10/21/00 Pct Recovery = 116% Analysis Date = 10/21/00 Pct Recovery = 116% Analysis Date = 10/19/00 Pct Recovery = 115% Analysis Date = 10/19/00 Pct Recovery = 115% Analysis Date = 10/18/00 Pct Recovery = 115% Analysis Date = 10/18/00 Pct Recovery = 115% Analysis Date = 10/17/00 Pct Recovery = 114% Analysis Date = 10/17/00 Pct Recovery = 114% Analysis Date = 10/15/00 Pct Recovery = 114% Analysis Date = 10/15/00 Pct Recovery = 114% Analysis Date = 10/14/00 Pct Recovery = 113% Analysis Date = 10/14/00 Pct Recovery = 113% Analysis Date = 10/13/00 Pct Recovery = 113% Analysis Date = 10/13/00 Pct Recovery = 113% Analysis Date = 10/11/00 Pct Recovery = 113% Analysis Date = 10/11/00 Pct Recovery = 113% Analysis Date = 10/10/00 Pct Recovery = 112% Analysis Date = 10/10/00 Pct Recovery = 112% Analysis Date = 10/09/00 Pct Recovery = 112% Analysis Date = 10/09/00 Pct Recovery = 112% Analysis Date = 10/07/00 Pct Recovery = 111% Analysis Date = 10/07/00 Pct Recovery = 111% Analysis Date = 10/06/00 Pct Recovery = 111% Analysis Date = 10/06/00 Pct Recovery = 111% Analysis Date = 10/05/00 Pct Recovery = 110% Analysis Date = 10/05/00 Pct Recovery = 110% Analysis Date = 10/03/00 Pct Recovery = 110% Analysis Date = 10/03/00 Pct Recovery = 110% Analysis Date = 10/02/00 Pct Recovery = 109% Analysis Date = 10/02/00 Pct Recovery = 109% Analysis Date = 10/01/00 Pct Recovery = 109% Analysis Date = 10/01/00 Pct Recovery = 109% Analysis Date = 09/29/00 Pct Recovery = 108% Analysis Date = 09/29/00 Pct Recovery = 108% Analysis Date = 09/28/00 Pct Recovery = 108% Analysis Date = 09/28/00 Pct Recovery = 108% Analysis Date = 09/27/00 Pct Recovery = 108% Analysis Date = 09/27/00 Pct Recovery = 108% Analysis Date = 09/25/00 Pct Recovery = 107% Analysis Date = 09/25/00 Pct Recovery = 107% Analysis Date = 09/24/00 Pct Recovery = 107% Analysis Date = 09/24/00 Pct Recovery = 107% Analysis Date = 09/23/00 Pct Recovery = 106% Analysis Date = 09/23/00 Pct Recovery = 106% Analysis Date = 09/21/00 Pct Recovery = 106% Analysis Date = 09/21/00 Pct Recovery = 106% Analysis Date = 09/20/00 Pct Recovery = 105% Analysis Date = 09/20/00 Pct Recovery = 105% Analysis Date = 09/19/00 Pct Recovery = 105% Analysis Date = 09/19/00 Pct Recovery = 105% Analysis Date = 09/17/00 Pct Recovery = 104% Analysis Date = 09/17/00 Pct Recovery = 104% Analysis Date = 09/16/00 Pct Recovery = 104% Analysis Date = 09/16/00 Pct Recovery = 104% Analysis Date = 09/15/00 Pct Recovery = 103% Analysis Date = 09/15/00 Pct Recovery = 103% Analysis Date = 09/13/00 Pct Recovery = 103% Analysis Date = 09/13/00 Pct Recovery = 103% Analysis Date = 09/12/00 Pct Recovery = 103% Analysis Date = 09/12/00 Pct Recovery = 103% Analysis Date = 09/11/00 Pct Recovery = 102% Analysis Date = 09/11/00 Pct Recovery = 102% Analysis Date = 09/09/00 Pct Recovery = 102% Analysis Date = 09/09/00 Pct Recovery = 102% Analysis Date = 09/08/00 Pct Recovery = 101% Analysis Date = 09/08/00 Pct Recovery = 101% Analysis Date = 09/07/00 Pct Recovery = 101% Analysis Date = 09/07/00 Pct Recovery = 101% Analysis Date = 09/05/00 Pct Recovery = 100% Analysis Date = 09/05/00 Pct Recovery = 100% Analysis Date = 09/04/00 Pct Recovery = 100% Analysis Date = 09/04/00 Pct Recovery = 100% Analysis Date = 09/03/00 Pct Recovery = 99% Analysis Date = 09/03/00 Pct Recovery = 99% Analysis Date = 09/01/00 Pct Recovery = 99% Analysis Date = 09/01/00 Pct Recovery = 99% Analysis Date = 08/31/00 Pct Recovery = 98% Analysis Date = 08/31/00 Pct Recovery = 98% Analysis Date = 08/30/00 Pct Recovery = 98% Analysis Date = 08/30/00 Pct Recovery = 98% Analysis Date = 08/28/00 Pct Recovery = 98% Analysis Date = 08/28/00 Pct Recovery = 98% Analysis Date = 08/27/00 Pct Recovery = 97% Analysis Date = 08/27/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/24/00 Pct Recovery = 96% Analysis Date = 08/24/00 Pct Recovery = 96% Analysis Date = 08/23/00 Pct Recovery = 96% Analysis Date = 08/23/00 Pct Recovery = 96% Analysis Date = 08/22/00 Pct Recovery = 95% Analysis Date = 08/22/00 Pct Recovery = 95% Analysis Date = 08/20/00 Pct Recovery = 95% Analysis Date = 08/20/00 Pct Recovery = 95% Analysis Date = 08/19/00 Pct Recovery = 94% Analysis Date = 08/19/00 Pct Recovery = 94% Analysis Date = 08/18/00 Pct Recovery = 94% Analysis Date = 08/18/00 Pct Recovery = 94% Analysis Date = 08/17/00 Pct Recovery = 93% Analysis Date = 08/17/00 Pct Recovery = 93% Analysis Date = 08/15/00 Pct Recovery = 93% Analysis Date = 08/15/00 Pct Recovery = 93% Analysis Date = 08/14/00 Pct Recovery = 94% Analysis Date = 08/14/00 Pct Recovery = 94% Analysis Date = 08/13/00 Pct Recovery = 94% Analysis Date = 08/13/00 Pct Recovery = 94% Analysis Date = 08/11/00 Pct Recovery = 94% Analysis Date = 08/11/00 Pct Recovery = 94% Analysis Date = 08/10/00 Pct Recovery = 95% Analysis Date = 08/10/00 Pct Recovery = 95% Analysis Date = 08/09/00 Pct Recovery = 95% Analysis Date = 08/09/00 Pct Recovery = 95% Analysis Date = 08/07/00 Pct Recovery = 96% Analysis Date = 08/07/00 Pct Recovery = 96% Analysis Date = 08/06/00 Pct Recovery = 96% Analysis Date = 08/06/00 Pct Recovery = 96% Analysis Date = 08/05/00 Pct Recovery = 96% Analysis Date = 08/05/00 Pct Recovery = 96% Analysis Date = 08/03/00 Pct Recovery = 97% Analysis Date = 08/03/00 Pct Recovery = 97% Analysis Date = 08/02/00 Pct Recovery = 97% Analysis Date = 08/02/00 Pct Recovery = 97% Analysis Date = 08/01/00 Pct Recovery = 97% Analysis Date = 08/01/00 Pct Recovery = 97% Analysis Date = 07/30/00 Pct Recovery = 98% Analysis Date = 07/30/00 Pct Recovery = 98% Analysis Date = 07/29/00 Pct Recovery = 98% Analysis Date = 07/29/00 Pct Recovery = 98% Analysis Date = 07/28/00 Pct Recovery = 98% Analysis Date = 07/28/00 Pct Recovery = 98% Analysis Date = 07/26/00 Pct Recovery = 99% Analysis Date = 07/26/00 Pct Recovery = 99% Analysis Date = 07/25/00 Pct Recovery = 99% Analysis Date = 07/25/00 Pct Recovery = 99% Analysis Date = 07/24/00 Pct Recovery = 99% Analysis Date = 07/24/00 Pct Recovery = 99% Analysis Date = 07/22/00 Pct Recovery = 100% Analysis Date = 07/22/00 Pct Recovery = 100% Analysis Date = 07/21/00 Pct Recovery = 100% Analysis Date = 07/21/00 Pct Recovery = 100% Analysis Date = 07/20/00 Pct Recovery = 101% Analysis Date = 07/20/00 Pct Recovery = 101% Analysis Date = 07/18/00 Pct Recovery = 101% Analysis Date = 07/18/00 Pct Recovery = 101% Analysis Date = 07/17/00 Pct Recovery = 101% Analysis Date = 07/17/00 Pct Recovery = 101% Analysis Date = 07/16/00 Pct Recovery = 102% Analysis Date = 07/16/00 Pct Recovery = 102% Analysis Date = 07/14/00 Pct Recovery = 102% Analysis Date = 07/14/00 Pct Recovery = 102% Analysis Date = 07/13/00 Pct Recovery = 102% Analysis Date = 07/13/00 Pct Recovery = 102% Analysis Date = 07/12/00 Pct Recovery = 103% Analysis Date = 07/12/00 Pct Recovery = 103% Analysis Date = 07/10/00 Pct Recovery = 103% Analysis Date = 07/10/00 Pct Recovery = 103% Analysis Date = 07/09/00 Pct Recovery = 103% Analysis Date = 07/09/00 Pct Recovery = 103% Analysis Date = 07/08/00 Pct Recovery = 104% Analysis Date = 07/08/00 Pct Recovery = 104% Analysis Date = 07/06/00 Pct Recovery = 104% Analysis Date = 07/06/00 Pct Recovery = 104% Analysis Date = 07/05/00 Pct Recovery = 105% Analysis Date = 07/05/00 Pct Recovery = 105% Analysis Date = 07/04/00 Pct Recovery = 105% Analysis Date = 07/04/00 Pct Recovery = 105% Analysis Date = 07/02/00 Pct Recovery = 105% Analysis Date = 07/02/00 Pct Recovery = 105% Analysis Date = 07/01/00 Pct Recovery = 106% Analysis Date = 07/01/00 Pct Recovery = 106% Analysis Date = 06/30/00 Pct Recovery = 106% Analysis Date = 06/30/00 Pct Recovery = 106% Analysis Date = 06/28/00 Pct Recovery = 106% Analysis Date = 06/28/00 Pct Recovery = 106% Analysis Date = 06/27/00 Pct Recovery = 107% Analysis Date = 06/27/00 Pct Recovery = 107% Analysis Date = 06/26/00 Pct Recovery = 107% Analysis Date = 06/26/00 Pct Recovery = 107% Analysis Date = 06/24/00 Pct Recovery = 107% Analysis Date = 06/24/00 Pct Recovery = 107% Analysis Date = 06/23/00 Pct Recovery = 108% Analysis Date = 06/23/00 Pct Recovery = 108% Analysis Date = 06/22/00 Pct Recovery = 108% Analysis Date = 06/22/00 Pct Recovery = 108% Analysis Date = 06/20/00 Pct Recovery = 108% Analysis Date = 06/20/00 Pct Recovery = 108% Analysis Date = 06/19/00 Pct Recovery = 109% Analysis Date = 06/19/00 Pct Recovery = 109% Analysis Date = 06/18/00 Pct Recovery = 109% Analysis Date = 06/18/00 Pct Recovery = 109% Analysis Date = 06/16/00 Pct Recovery = 110% Analysis Date = 06/16/00 Pct Recovery = 110% Analysis Date = 06/15/00 Pct Recovery = 110% Analysis Date = 06/15/00 Pct Recovery = 110% Analysis Date = 06/14/00 Pct Recovery = 110% Analysis Date = 06/14/00 Pct Recovery = 110% Analysis Date = 06/12/00 Pct Recovery = 111% Analysis Date = 06/12/00 Pct Recovery = 111% Analysis Date = 06/11/00 Pct Recovery = 111% Analysis Date = 06/11/00 Pct Recovery = 111% Analysis Date = 06/10/00 Pct Recovery = 112% Analysis Date = 06/10/00 Pct Recovery = 112% Analysis Date = 06/08/00 Pct Recovery = 112% Analysis Date = 06/08/00 Pct Recovery = 112% Analysis Date = 06/07/00 Pct Recovery = 113% Analysis Date = 06/07/00 Pct Recovery = 113% Analysis Date = 06/06/00 Pct Recovery = 113% Analysis Date = 06/06/00 Pct Recovery = 113% Analysis Date = 06/04/00 Pct Recovery = 113% Analysis Date = 06/04/00 Pct Recovery = 113% Analysis Date = 06/03/00 Pct Recovery = 114% Analysis Date = 06/03/00 Pct Recovery = 114% Analysis Date = 06/02/00 Pct Recovery = 114% Analysis Date = 06/02/00 Pct Recovery = 114% Analysis Date = 05/31/00 Pct Recovery = 115% Analysis Date = 05/31/00 Pct Recovery = 115% Analysis Date = 05/30/00 Pct Recovery = 115% Analysis Date = 05/30/00 Pct Recovery = 115% Analysis Date = 05/29/00 Pct Recovery = 116% Analysis Date = 05/29/00 Pct Recovery = 116% Analysis Date = 05/27/00 Pct Recovery = 116% Analysis Date = 05/27/00 Pct Recovery = 116% Analysis Date = 05/26/00 Pct Recovery = 117% Analysis Date = 05/26/00 Pct Recovery = 117% Analysis Date = 05/25/00 Pct Recovery = 117% Analysis Date = 05/25/00 Pct Recovery = 117% Analysis Date = 05/24/00 Pct Recovery = 117% Analysis Date = 05/24/00 Pct Recovery = 117% Analysis Date = 05/22/00 Pct Recovery = 118% Analysis Date = 05/22/00 Pct Recovery = 118% Analysis Date = 05/21/00 Pct Recovery = 118% Analysis Date = 05/21/00 Pct Recovery = 118% Analysis Date = 05/20/00 Pct Recovery = 119% Analysis Date = 05/20/00 Pct Recovery = 119% Analysis Date = 05/18/00 Pct Recovery = 119% Analysis Date = 05/18/00 Pct Recovery = 119% Analysis Date = 05/17/00 Pct Recovery = 120% Analysis Date = 05/17/00 Pct Recovery = 120% Analysis Date = 05/16/00 Pct Recovery = 120% Analysis Date = 05/16/00 Pct Recovery = 120% Analysis Date = 05/14/00 Pct Recovery = 121% Analysis Date = 05/14/00 Pct Recovery = 121% Analysis Date = 05/13/00 Pct Recovery = 121% Analysis Date = 05/13/00 Pct Recovery = 121% Analysis Date = 05/12/00 Pct Recovery = 121% Analysis Date = 05/12/00 Pct Recovery = 121% Analysis Date = 05/10/00 Pct Recovery = 122% Analysis Date = 05/10/00 Pct Recovery = 122% Analysis Date = 05/09/00 Pct Recovery = 122% Analysis Date = 05/09/00 Pct Recovery = 122% Analysis Date = 05/08/00 Pct Recovery = 123% Analysis Date = 05/08/00 Pct Recovery = 123% Analysis Date = 05/06/00 Pct Recovery = 123% Analysis Date = 05/06/00 Pct Recovery = 123% Analysis Date = 05/05/00 Pct Recovery = 124% Analysis Date = 05/05/00 Pct Recovery = 124% Analysis Date = 05/04/00 Pct Recovery = 124% Analysis Date = 05/04/00 Pct Recovery = 124% Analysis Date = 05/02/00 Pct Recovery = 125% Analysis Date = 05/02/00 Pct Recovery = 125% Analysis Date = 05/01/00 Pct Recovery = 125% Analysis Date = 05/01/00 Pct Recovery = 125% Analysis Date = 04/30/00 Pct Recovery = 125% Analysis Date = 04/30/00 Pct Recovery = 125% Analysis Date = 04/28/00 Pct Recovery = 126% Analysis Date = 04/28/00 Pct Recovery = 126% Analysis Date = 04/27/00 Pct Recovery = 126% Analysis Date = 04/27/00 Pct Recovery = 126% Analysis Date = 04/26/00 Pct Recovery = 126% Analysis Date = 04/26/00 Pct Recovery = 126% Analysis Date = 04/24/00 Pct Recovery = 126% Analysis Date = 04/24/00 Pct Recovery = 126% Analysis Date = 04/23/00 Pct Recovery = 126% Analysis Date = 04/23/00 Pct Recovery = 126% Analysis Date = 04/22/00 Pct Recovery = 126% Analysis Date = 04/22/00 Pct Recovery = 126% Analysis Date = 04/20/00 Pct Recovery = 126% Analysis Date = 04/20/00 Pct Recovery = 126% Analysis Date = 04/19/00 Pct Recovery = 126% Analysis Date = 04/19/00 Pct Recovery = 126% Analysis Date = 04/18/00 Pct Recovery = 125% Analysis Date = 04/18/00 Pct Recovery = 125% Analysis Date = 04/16/00 Pct Recovery = 125% Analysis Date = 04/16/00 Pct Recovery = 125% Analysis Date = 04/15/00 Pct Recovery = 125% Analysis Date = 04/15/00 Pct Recovery = 125% Analysis Date = 04/14/00 Pct Recovery = 125% Analysis Date = 04/14/00 Pct Recovery = 125% Analysis Date = 04/12/00 Pct Recovery = 125% Analysis Date = 04/12/00 Pct Recovery = 125% Analysis Date = 04/11/00 Pct Recovery = 125% Analysis Date = 04/11/00 Pct Recovery = 125% Analysis Date = 04/10/00 Pct Recovery = 125% Analysis Date = 04/10/00 Pct Recovery = 125% Analysis Date = 04/08/00 Pct Recovery = 125% Analysis Date = 04/08/00 Pct Recovery = 125% Analysis Date = 04/07/00 Pct Recovery = 124% Analysis Date = 04/07/00 Pct Recovery = 124% Analysis Date = 04/06/00 Pct Recovery = 124% Analysis Date = 04/06/00 Pct Recovery = 124% Analysis Date = 04/04/00 Pct Recovery = 124% Analysis Date = 04/04/00 Pct Recovery = 124% Analysis Date = 04/03/00 Pct Recovery = 124% Analysis Date = 04/03/00 Pct Recovery = 124% Analysis Date = 04/02/00 Pct Recovery = 124% Analysis Date = 04/02/00 Pct Recovery = 124% Analysis Date = 03/31/00 Pct Recovery = 124% Analysis Date = 03/31/00 Pct Recovery = 124% Analysis Date = 03/30/00 Pct Recovery = 124% Analysis Date = 03/30/00 Pct Recovery = 124% Analysis Date = 03/29/00 Pct Recovery = 123% Analysis Date = 03/29/00 Pct Recovery = 123% Analysis Date = 03/27/00 Pct Recovery = 123% Analysis Date = 03/27/00 Pct Recovery = 123% Analysis Date = 03/26/00 Pct Recovery = 123% Analysis Date = 03/26/00 Pct Recovery = 123% Analysis Date = 03/25/00 Pct Recovery = 123% Analysis Date = 03/25/00 Pct Recovery = 123% Analysis Date = 03/23/00 Pct Recovery = 123% Analysis Date = 03/23/00 Pct Recovery = 123% Analysis Date = 03/22/00 Pct Recovery = 123% Analysis Date = 03/22/00 Pct Recovery = 123% Analysis Date = 03/21/00 Pct Recovery = 123% Analysis Date = 03/21/00 Pct Recovery = 123% Analysis Date = 03/19/00 Pct Recovery = 123% Analysis Date = 03/19/00 Pct Recovery = 123% Analysis Date = 03/18/00 Pct Recovery = 122% Analysis Date = 03/18/00 Pct Recovery = 122% Analysis Date = 03/17/00 Pct Recovery = 122% Analysis Date = 03/17/00 Pct Recovery = 122% Analysis Date = 03/15/00 Pct Recovery = 122% Analysis Date = 03/15/00 Pct Recovery = 122% Analysis Date = 03/14/00 Pct Recovery = 122% Analysis Date = 03/14/00 Pct Recovery = 122% Analysis Date = 03/13/00 Pct Recovery = 122% Analysis Date = 03/13/00 Pct Recovery = 122% Analysis Date = 03/11/00 Pct Recovery = 122% Analysis Date = 03/11/00 Pct Recovery = 122% Analysis Date = 03/10/00 Pct Recovery = 122% Analysis Date = 03/10/00 Pct Recovery = 122% Analysis Date = 03/09/00 Pct Recovery = 122% Analysis Date = 03/09/00 Pct Recovery = 122% Analysis Date = 03/07/00 Pct Recovery = 121% Analysis Date = 03/07/00 Pct Recovery = 121% Analysis Date = 03/06/00 Pct Recovery = 121% Analysis Date = 03/06/00 Pct Recovery = 121% Analysis Date = 03/05/00 Pct Recovery = 121% Analysis Date = 03/05/00 Pct Recovery = 121% Analysis Date = 03/03/00 Pct Recovery = 121% Analysis Date = 03/03/00 Pct Recovery = 121% Analysis Date = 03/02/00 Pct Recovery = 121% Analysis Date = 03/02/00 Pct Recovery = 121% Analysis Date = 03/01/00 Pct Recovery = 121% Analysis Date = 03/01/00 Pct Recovery = 121% Analysis Date = 02/28/00 Pct Recovery = 121% Analysis Date = 02/28/00 Pct Recovery = 121% Analysis Date = 02/27/00 Pct Recovery = 121% Analysis Date = 02/27/00 Pct Recovery = 121% Analysis Date = 02/26/00 Pct Recovery = 120% Analysis Date = 02/26/00 Pct Recovery = 120% Analysis Date = 02/25/00 Pct Recovery = 120% Analysis Date = 02/25/00 Pct Recovery = 120% Analysis Date = 02/23/00 Pct Recovery = 120% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,1-DICHLOROPROPENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 115% 14% 120% 11%
Total 5 115% 14% 120% 11%

Sample Statistics
1,1-DICHLOROPROPENE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
1,2,3,4-TETRAMETHYLBENZENE
METHOD: 4054 , TESTIDCODE: 49999GCM66
Open Data Set

Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 78% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 108% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 106% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 147% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 114% Analysis Date = 10/03/03 Pct Recovery = 78% Analysis Date = 09/28/03 Pct Recovery = 85% Analysis Date = 09/28/03 Pct Recovery = 85% Analysis Date = 09/22/03 Pct Recovery = 93% Analysis Date = 09/22/03 Pct Recovery = 93% Analysis Date = 09/16/03 Pct Recovery = 100% Analysis Date = 09/16/03 Pct Recovery = 100% Analysis Date = 09/11/03 Pct Recovery = 107% Analysis Date = 09/11/03 Pct Recovery = 107% Analysis Date = 09/05/03 Pct Recovery = 108% Analysis Date = 09/05/03 Pct Recovery = 108% Analysis Date = 08/30/03 Pct Recovery = 108% Analysis Date = 08/30/03 Pct Recovery = 108% Analysis Date = 08/24/03 Pct Recovery = 107% Analysis Date = 08/24/03 Pct Recovery = 107% Analysis Date = 08/19/03 Pct Recovery = 107% Analysis Date = 08/19/03 Pct Recovery = 107% Analysis Date = 08/13/03 Pct Recovery = 107% Analysis Date = 08/13/03 Pct Recovery = 107% Analysis Date = 08/07/03 Pct Recovery = 106% Analysis Date = 08/07/03 Pct Recovery = 106% Analysis Date = 08/02/03 Pct Recovery = 106% Analysis Date = 08/02/03 Pct Recovery = 106% Analysis Date = 07/27/03 Pct Recovery = 106% Analysis Date = 07/27/03 Pct Recovery = 106% Analysis Date = 07/21/03 Pct Recovery = 106% Analysis Date = 07/21/03 Pct Recovery = 106% Analysis Date = 07/15/03 Pct Recovery = 106% Analysis Date = 07/15/03 Pct Recovery = 106% Analysis Date = 07/10/03 Pct Recovery = 107% Analysis Date = 07/10/03 Pct Recovery = 107% Analysis Date = 07/04/03 Pct Recovery = 107% Analysis Date = 07/04/03 Pct Recovery = 107% Analysis Date = 06/28/03 Pct Recovery = 107% Analysis Date = 06/28/03 Pct Recovery = 107% Analysis Date = 06/23/03 Pct Recovery = 107% Analysis Date = 06/23/03 Pct Recovery = 107% Analysis Date = 06/17/03 Pct Recovery = 108% Analysis Date = 06/17/03 Pct Recovery = 108% Analysis Date = 06/11/03 Pct Recovery = 108% Analysis Date = 06/11/03 Pct Recovery = 108% Analysis Date = 06/05/03 Pct Recovery = 108% Analysis Date = 06/05/03 Pct Recovery = 108% Analysis Date = 05/31/03 Pct Recovery = 108% Analysis Date = 05/31/03 Pct Recovery = 108% Analysis Date = 05/25/03 Pct Recovery = 109% Analysis Date = 05/25/03 Pct Recovery = 109% Analysis Date = 05/19/03 Pct Recovery = 109% Analysis Date = 05/19/03 Pct Recovery = 109% Analysis Date = 05/14/03 Pct Recovery = 109% Analysis Date = 05/14/03 Pct Recovery = 109% Analysis Date = 05/08/03 Pct Recovery = 109% Analysis Date = 05/08/03 Pct Recovery = 109% Analysis Date = 05/02/03 Pct Recovery = 109% Analysis Date = 05/02/03 Pct Recovery = 109% Analysis Date = 04/26/03 Pct Recovery = 110% Analysis Date = 04/26/03 Pct Recovery = 110% Analysis Date = 04/21/03 Pct Recovery = 110% Analysis Date = 04/21/03 Pct Recovery = 110% Analysis Date = 04/15/03 Pct Recovery = 110% Analysis Date = 04/15/03 Pct Recovery = 110% Analysis Date = 04/09/03 Pct Recovery = 110% Analysis Date = 04/09/03 Pct Recovery = 110% Analysis Date = 04/04/03 Pct Recovery = 111% Analysis Date = 04/04/03 Pct Recovery = 111% Analysis Date = 03/29/03 Pct Recovery = 111% Analysis Date = 03/29/03 Pct Recovery = 111% Analysis Date = 03/23/03 Pct Recovery = 111% Analysis Date = 03/23/03 Pct Recovery = 111% Analysis Date = 03/17/03 Pct Recovery = 111% Analysis Date = 03/17/03 Pct Recovery = 111% Analysis Date = 03/12/03 Pct Recovery = 112% Analysis Date = 03/12/03 Pct Recovery = 112% Analysis Date = 03/06/03 Pct Recovery = 112% Analysis Date = 03/06/03 Pct Recovery = 112% Analysis Date = 02/28/03 Pct Recovery = 112% Analysis Date = 02/28/03 Pct Recovery = 112% Analysis Date = 02/22/03 Pct Recovery = 112% Analysis Date = 02/22/03 Pct Recovery = 112% Analysis Date = 02/17/03 Pct Recovery = 113% Analysis Date = 02/17/03 Pct Recovery = 113% Analysis Date = 02/11/03 Pct Recovery = 113% Analysis Date = 02/11/03 Pct Recovery = 113% Analysis Date = 02/05/03 Pct Recovery = 113% Analysis Date = 02/05/03 Pct Recovery = 113% Analysis Date = 01/31/03 Pct Recovery = 113% Analysis Date = 01/31/03 Pct Recovery = 113% Analysis Date = 01/25/03 Pct Recovery = 114% Analysis Date = 01/25/03 Pct Recovery = 114% Analysis Date = 01/19/03 Pct Recovery = 114% Analysis Date = 01/19/03 Pct Recovery = 114% Analysis Date = 01/13/03 Pct Recovery = 114% Analysis Date = 01/13/03 Pct Recovery = 114% Analysis Date = 01/08/03 Pct Recovery = 114% Analysis Date = 01/08/03 Pct Recovery = 114% Analysis Date = 01/02/03 Pct Recovery = 115% Analysis Date = 01/02/03 Pct Recovery = 115% Analysis Date = 12/27/02 Pct Recovery = 115% Analysis Date = 12/27/02 Pct Recovery = 115% Analysis Date = 12/22/02 Pct Recovery = 115% Analysis Date = 12/22/02 Pct Recovery = 115% Analysis Date = 12/16/02 Pct Recovery = 115% Analysis Date = 12/16/02 Pct Recovery = 115% Analysis Date = 12/10/02 Pct Recovery = 116% Analysis Date = 12/10/02 Pct Recovery = 116% Analysis Date = 12/04/02 Pct Recovery = 116% Analysis Date = 12/04/02 Pct Recovery = 116% Analysis Date = 11/29/02 Pct Recovery = 116% Analysis Date = 11/29/02 Pct Recovery = 116% Analysis Date = 11/23/02 Pct Recovery = 116% Analysis Date = 11/23/02 Pct Recovery = 116% Analysis Date = 11/17/02 Pct Recovery = 116% Analysis Date = 11/17/02 Pct Recovery = 116% Analysis Date = 11/12/02 Pct Recovery = 117% Analysis Date = 11/12/02 Pct Recovery = 117% Analysis Date = 11/06/02 Pct Recovery = 117% Analysis Date = 11/06/02 Pct Recovery = 117% Analysis Date = 10/31/02 Pct Recovery = 117% Analysis Date = 10/31/02 Pct Recovery = 117% Analysis Date = 10/25/02 Pct Recovery = 117% Analysis Date = 10/25/02 Pct Recovery = 117% Analysis Date = 10/20/02 Pct Recovery = 118% Analysis Date = 10/20/02 Pct Recovery = 118% Analysis Date = 10/14/02 Pct Recovery = 118% Analysis Date = 10/14/02 Pct Recovery = 118% Analysis Date = 10/08/02 Pct Recovery = 118% Analysis Date = 10/08/02 Pct Recovery = 118% Analysis Date = 10/03/02 Pct Recovery = 118% Analysis Date = 10/03/02 Pct Recovery = 118% Analysis Date = 09/27/02 Pct Recovery = 119% Analysis Date = 09/27/02 Pct Recovery = 119% Analysis Date = 09/21/02 Pct Recovery = 119% Analysis Date = 09/21/02 Pct Recovery = 119% Analysis Date = 09/15/02 Pct Recovery = 119% Analysis Date = 09/15/02 Pct Recovery = 119% Analysis Date = 09/10/02 Pct Recovery = 119% Analysis Date = 09/10/02 Pct Recovery = 119% Analysis Date = 09/04/02 Pct Recovery = 120% Analysis Date = 09/04/02 Pct Recovery = 120% Analysis Date = 08/29/02 Pct Recovery = 120% Analysis Date = 08/29/02 Pct Recovery = 120% Analysis Date = 08/24/02 Pct Recovery = 120% Analysis Date = 08/24/02 Pct Recovery = 120% Analysis Date = 08/18/02 Pct Recovery = 120% Analysis Date = 08/18/02 Pct Recovery = 120% Analysis Date = 08/12/02 Pct Recovery = 121% Analysis Date = 08/12/02 Pct Recovery = 121% Analysis Date = 08/06/02 Pct Recovery = 121% Analysis Date = 08/06/02 Pct Recovery = 121% Analysis Date = 08/01/02 Pct Recovery = 121% Analysis Date = 08/01/02 Pct Recovery = 121% Analysis Date = 07/26/02 Pct Recovery = 121% Analysis Date = 07/26/02 Pct Recovery = 121% Analysis Date = 07/20/02 Pct Recovery = 122% Analysis Date = 07/20/02 Pct Recovery = 122% Analysis Date = 07/14/02 Pct Recovery = 122% Analysis Date = 07/14/02 Pct Recovery = 122% Analysis Date = 07/09/02 Pct Recovery = 122% Analysis Date = 07/09/02 Pct Recovery = 122% Analysis Date = 07/03/02 Pct Recovery = 122% Analysis Date = 07/03/02 Pct Recovery = 122% Analysis Date = 06/27/02 Pct Recovery = 123% Analysis Date = 06/27/02 Pct Recovery = 123% Analysis Date = 06/22/02 Pct Recovery = 123% Analysis Date = 06/22/02 Pct Recovery = 123% Analysis Date = 06/16/02 Pct Recovery = 123% Analysis Date = 06/16/02 Pct Recovery = 123% Analysis Date = 06/10/02 Pct Recovery = 123% Analysis Date = 06/10/02 Pct Recovery = 123% Analysis Date = 06/04/02 Pct Recovery = 123% Analysis Date = 06/04/02 Pct Recovery = 123% Analysis Date = 05/30/02 Pct Recovery = 124% Analysis Date = 05/30/02 Pct Recovery = 124% Analysis Date = 05/24/02 Pct Recovery = 124% Analysis Date = 05/24/02 Pct Recovery = 124% Analysis Date = 05/18/02 Pct Recovery = 124% Analysis Date = 05/18/02 Pct Recovery = 124% Analysis Date = 05/13/02 Pct Recovery = 124% Analysis Date = 05/13/02 Pct Recovery = 124% Analysis Date = 05/07/02 Pct Recovery = 125% Analysis Date = 05/07/02 Pct Recovery = 125% Analysis Date = 05/01/02 Pct Recovery = 125% Analysis Date = 05/01/02 Pct Recovery = 125% Analysis Date = 04/25/02 Pct Recovery = 125% Analysis Date = 04/25/02 Pct Recovery = 125% Analysis Date = 04/20/02 Pct Recovery = 125% Analysis Date = 04/20/02 Pct Recovery = 125% Analysis Date = 04/14/02 Pct Recovery = 126% Analysis Date = 04/14/02 Pct Recovery = 126% Analysis Date = 04/08/02 Pct Recovery = 126% Analysis Date = 04/08/02 Pct Recovery = 126% Analysis Date = 04/03/02 Pct Recovery = 126% Analysis Date = 04/03/02 Pct Recovery = 126% Analysis Date = 03/28/02 Pct Recovery = 126% Analysis Date = 03/28/02 Pct Recovery = 126% Analysis Date = 03/22/02 Pct Recovery = 127% Analysis Date = 03/22/02 Pct Recovery = 127% Analysis Date = 03/16/02 Pct Recovery = 127% Analysis Date = 03/16/02 Pct Recovery = 127% Analysis Date = 03/11/02 Pct Recovery = 127% Analysis Date = 03/11/02 Pct Recovery = 127% Analysis Date = 03/05/02 Pct Recovery = 127% Analysis Date = 03/05/02 Pct Recovery = 127% Analysis Date = 02/27/02 Pct Recovery = 128% Analysis Date = 02/27/02 Pct Recovery = 128% Analysis Date = 02/22/02 Pct Recovery = 128% Analysis Date = 02/22/02 Pct Recovery = 128% Analysis Date = 02/16/02 Pct Recovery = 128% Analysis Date = 02/16/02 Pct Recovery = 128% Analysis Date = 02/10/02 Pct Recovery = 128% Analysis Date = 02/10/02 Pct Recovery = 128% Analysis Date = 02/04/02 Pct Recovery = 129% Analysis Date = 02/04/02 Pct Recovery = 129% Analysis Date = 01/30/02 Pct Recovery = 129% Analysis Date = 01/30/02 Pct Recovery = 129% Analysis Date = 01/24/02 Pct Recovery = 129% Analysis Date = 01/24/02 Pct Recovery = 129% Analysis Date = 01/18/02 Pct Recovery = 129% Analysis Date = 01/18/02 Pct Recovery = 129% Analysis Date = 01/13/02 Pct Recovery = 130% Analysis Date = 01/13/02 Pct Recovery = 130% Analysis Date = 01/07/02 Pct Recovery = 130% Analysis Date = 01/07/02 Pct Recovery = 130% Analysis Date = 01/01/02 Pct Recovery = 130% Analysis Date = 01/01/02 Pct Recovery = 130% Analysis Date = 12/26/01 Pct Recovery = 130% Analysis Date = 12/26/01 Pct Recovery = 130% Analysis Date = 12/21/01 Pct Recovery = 130% Analysis Date = 12/21/01 Pct Recovery = 130% Analysis Date = 12/15/01 Pct Recovery = 131% Analysis Date = 12/15/01 Pct Recovery = 131% Analysis Date = 12/09/01 Pct Recovery = 131% Analysis Date = 12/09/01 Pct Recovery = 131% Analysis Date = 12/03/01 Pct Recovery = 131% Analysis Date = 12/03/01 Pct Recovery = 131% Analysis Date = 11/28/01 Pct Recovery = 131% Analysis Date = 11/28/01 Pct Recovery = 131% Analysis Date = 11/22/01 Pct Recovery = 132% Analysis Date = 11/22/01 Pct Recovery = 132% Analysis Date = 11/16/01 Pct Recovery = 132% Analysis Date = 11/16/01 Pct Recovery = 132% Analysis Date = 11/11/01 Pct Recovery = 132% Analysis Date = 11/11/01 Pct Recovery = 132% Analysis Date = 11/05/01 Pct Recovery = 132% Analysis Date = 11/05/01 Pct Recovery = 132% Analysis Date = 10/30/01 Pct Recovery = 133% Analysis Date = 10/30/01 Pct Recovery = 133% Analysis Date = 10/24/01 Pct Recovery = 133% Analysis Date = 10/24/01 Pct Recovery = 133% Analysis Date = 10/19/01 Pct Recovery = 133% Analysis Date = 10/19/01 Pct Recovery = 133% Analysis Date = 10/13/01 Pct Recovery = 133% Analysis Date = 10/13/01 Pct Recovery = 133% Analysis Date = 10/07/01 Pct Recovery = 134% Analysis Date = 10/07/01 Pct Recovery = 134% Analysis Date = 10/02/01 Pct Recovery = 134% Analysis Date = 10/02/01 Pct Recovery = 134% Analysis Date = 09/26/01 Pct Recovery = 134% Analysis Date = 09/26/01 Pct Recovery = 134% Analysis Date = 09/20/01 Pct Recovery = 134% Analysis Date = 09/20/01 Pct Recovery = 134% Analysis Date = 09/14/01 Pct Recovery = 135% Analysis Date = 09/14/01 Pct Recovery = 135% Analysis Date = 09/09/01 Pct Recovery = 135% Analysis Date = 09/09/01 Pct Recovery = 135% Analysis Date = 09/03/01 Pct Recovery = 135% Analysis Date = 09/03/01 Pct Recovery = 135% Analysis Date = 08/28/01 Pct Recovery = 135% Analysis Date = 08/28/01 Pct Recovery = 135% Analysis Date = 08/23/01 Pct Recovery = 136% Analysis Date = 08/23/01 Pct Recovery = 136% Analysis Date = 08/17/01 Pct Recovery = 136% Analysis Date = 08/17/01 Pct Recovery = 136% Analysis Date = 08/11/01 Pct Recovery = 136% Analysis Date = 08/11/01 Pct Recovery = 136% Analysis Date = 08/05/01 Pct Recovery = 136% Analysis Date = 08/05/01 Pct Recovery = 136% Analysis Date = 07/31/01 Pct Recovery = 137% Analysis Date = 07/31/01 Pct Recovery = 137% Analysis Date = 07/25/01 Pct Recovery = 137% Analysis Date = 07/25/01 Pct Recovery = 137% Analysis Date = 07/19/01 Pct Recovery = 137% Analysis Date = 07/19/01 Pct Recovery = 137% Analysis Date = 07/14/01 Pct Recovery = 137% Analysis Date = 07/14/01 Pct Recovery = 137% Analysis Date = 07/08/01 Pct Recovery = 137% Analysis Date = 07/08/01 Pct Recovery = 137% Analysis Date = 07/02/01 Pct Recovery = 138% Analysis Date = 07/02/01 Pct Recovery = 138% Analysis Date = 06/26/01 Pct Recovery = 138% Analysis Date = 06/26/01 Pct Recovery = 138% Analysis Date = 06/21/01 Pct Recovery = 138% Analysis Date = 06/21/01 Pct Recovery = 138% Analysis Date = 06/15/01 Pct Recovery = 138% Analysis Date = 06/15/01 Pct Recovery = 138% Analysis Date = 06/09/01 Pct Recovery = 139% Analysis Date = 06/09/01 Pct Recovery = 139% Analysis Date = 06/04/01 Pct Recovery = 139% Analysis Date = 06/04/01 Pct Recovery = 139% Analysis Date = 05/29/01 Pct Recovery = 139% Analysis Date = 05/29/01 Pct Recovery = 139% Analysis Date = 05/23/01 Pct Recovery = 139% Analysis Date = 05/23/01 Pct Recovery = 139% Analysis Date = 05/17/01 Pct Recovery = 140% Analysis Date = 05/17/01 Pct Recovery = 140% Analysis Date = 05/12/01 Pct Recovery = 140% Analysis Date = 05/12/01 Pct Recovery = 140% Analysis Date = 05/06/01 Pct Recovery = 140% Analysis Date = 05/06/01 Pct Recovery = 140% Analysis Date = 04/30/01 Pct Recovery = 140% Analysis Date = 04/30/01 Pct Recovery = 140% Analysis Date = 04/24/01 Pct Recovery = 141% Analysis Date = 04/24/01 Pct Recovery = 141% Analysis Date = 04/19/01 Pct Recovery = 141% Analysis Date = 04/19/01 Pct Recovery = 141% Analysis Date = 04/13/01 Pct Recovery = 141% Analysis Date = 04/13/01 Pct Recovery = 141% Analysis Date = 04/07/01 Pct Recovery = 141% Analysis Date = 04/07/01 Pct Recovery = 141% Analysis Date = 04/02/01 Pct Recovery = 142% Analysis Date = 04/02/01 Pct Recovery = 142% Analysis Date = 03/27/01 Pct Recovery = 142% Analysis Date = 03/27/01 Pct Recovery = 142% Analysis Date = 03/21/01 Pct Recovery = 142% Analysis Date = 03/21/01 Pct Recovery = 142% Analysis Date = 03/15/01 Pct Recovery = 142% Analysis Date = 03/15/01 Pct Recovery = 142% Analysis Date = 03/10/01 Pct Recovery = 143% Analysis Date = 03/10/01 Pct Recovery = 143% Analysis Date = 03/04/01 Pct Recovery = 143% Analysis Date = 03/04/01 Pct Recovery = 143% Analysis Date = 02/26/01 Pct Recovery = 143% Analysis Date = 02/26/01 Pct Recovery = 143% Analysis Date = 02/21/01 Pct Recovery = 143% Analysis Date = 02/21/01 Pct Recovery = 143% Analysis Date = 02/15/01 Pct Recovery = 144% Analysis Date = 02/15/01 Pct Recovery = 144% Analysis Date = 02/09/01 Pct Recovery = 144% Analysis Date = 02/09/01 Pct Recovery = 144% Analysis Date = 02/03/01 Pct Recovery = 144% Analysis Date = 02/03/01 Pct Recovery = 144% Analysis Date = 01/29/01 Pct Recovery = 144% Analysis Date = 01/29/01 Pct Recovery = 144% Analysis Date = 01/23/01 Pct Recovery = 144% Analysis Date = 01/23/01 Pct Recovery = 144% Analysis Date = 01/17/01 Pct Recovery = 145% Analysis Date = 01/17/01 Pct Recovery = 145% Analysis Date = 01/12/01 Pct Recovery = 145% Analysis Date = 01/12/01 Pct Recovery = 145% Analysis Date = 01/06/01 Pct Recovery = 145% Analysis Date = 01/06/01 Pct Recovery = 145% Analysis Date = 12/31/00 Pct Recovery = 145% Analysis Date = 12/31/00 Pct Recovery = 145% Analysis Date = 12/25/00 Pct Recovery = 146% Analysis Date = 12/25/00 Pct Recovery = 146% Analysis Date = 12/20/00 Pct Recovery = 146% Analysis Date = 12/20/00 Pct Recovery = 146% Analysis Date = 12/14/00 Pct Recovery = 146% Analysis Date = 12/14/00 Pct Recovery = 146% Analysis Date = 12/08/00 Pct Recovery = 146% Analysis Date = 12/08/00 Pct Recovery = 146% Analysis Date = 12/03/00 Pct Recovery = 147% Analysis Date = 12/03/00 Pct Recovery = 147% Analysis Date = 11/27/00 Pct Recovery = 147% Analysis Date = 11/27/00 Pct Recovery = 147% Analysis Date = 11/21/00 Pct Recovery = 147% Analysis Date = 11/21/00 Pct Recovery = 147% Analysis Date = 11/15/00 Pct Recovery = 147% Analysis Date = 11/15/00 Pct Recovery = 147% Analysis Date = 11/10/00 Pct Recovery = 145% Analysis Date = 11/10/00 Pct Recovery = 145% Analysis Date = 11/04/00 Pct Recovery = 143% Analysis Date = 11/04/00 Pct Recovery = 143% Analysis Date = 10/29/00 Pct Recovery = 141% Analysis Date = 10/29/00 Pct Recovery = 141% Analysis Date = 10/24/00 Pct Recovery = 139% Analysis Date = 10/24/00 Pct Recovery = 139% Analysis Date = 10/18/00 Pct Recovery = 137% Analysis Date = 10/18/00 Pct Recovery = 137% Analysis Date = 10/12/00 Pct Recovery = 135% Analysis Date = 10/12/00 Pct Recovery = 135% Analysis Date = 10/06/00 Pct Recovery = 133% Analysis Date = 10/06/00 Pct Recovery = 133% Analysis Date = 10/01/00 Pct Recovery = 131% Analysis Date = 10/01/00 Pct Recovery = 131% Analysis Date = 09/25/00 Pct Recovery = 129% Analysis Date = 09/25/00 Pct Recovery = 129% Analysis Date = 09/19/00 Pct Recovery = 127% Analysis Date = 09/19/00 Pct Recovery = 127% Analysis Date = 09/13/00 Pct Recovery = 124% Analysis Date = 09/13/00 Pct Recovery = 124% Analysis Date = 09/08/00 Pct Recovery = 122% Analysis Date = 09/08/00 Pct Recovery = 122% Analysis Date = 09/02/00 Pct Recovery = 120% Analysis Date = 09/02/00 Pct Recovery = 120% Analysis Date = 08/27/00 Pct Recovery = 118% Analysis Date = 08/27/00 Pct Recovery = 118% Analysis Date = 08/22/00 Pct Recovery = 116% Analysis Date = 08/22/00 Pct Recovery = 116% Analysis Date = 08/16/00 Pct Recovery = 114% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,2,3,4-TETRAMETHYLBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 111% 25% 108% 6%
Total 5 111% 25% 108% 6%

Sample Statistics
1,2,3,4-TETRAMETHYLBENZENE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 1 20% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
1,2,3,5-TETRAMETHYLBENZENE
METHOD: 4054 , TESTIDCODE: 50000GCM66
Open Data Set

Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 119% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 141% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 114% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 118% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 84% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 95% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 88% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 113% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 118% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 108% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 95% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 110% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 105% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 124% Analysis Date = 10/03/03 Pct Recovery = 102% Analysis Date = 09/28/03 Pct Recovery = 103% Analysis Date = 09/28/03 Pct Recovery = 103% Analysis Date = 09/22/03 Pct Recovery = 104% Analysis Date = 09/22/03 Pct Recovery = 104% Analysis Date = 09/16/03 Pct Recovery = 105% Analysis Date = 09/16/03 Pct Recovery = 105% Analysis Date = 09/11/03 Pct Recovery = 106% Analysis Date = 09/11/03 Pct Recovery = 106% Analysis Date = 09/05/03 Pct Recovery = 107% Analysis Date = 09/05/03 Pct Recovery = 107% Analysis Date = 08/30/03 Pct Recovery = 109% Analysis Date = 08/30/03 Pct Recovery = 109% Analysis Date = 08/24/03 Pct Recovery = 110% Analysis Date = 08/24/03 Pct Recovery = 110% Analysis Date = 08/19/03 Pct Recovery = 111% Analysis Date = 08/19/03 Pct Recovery = 111% Analysis Date = 08/13/03 Pct Recovery = 112% Analysis Date = 08/13/03 Pct Recovery = 112% Analysis Date = 08/07/03 Pct Recovery = 113% Analysis Date = 08/07/03 Pct Recovery = 113% Analysis Date = 08/02/03 Pct Recovery = 114% Analysis Date = 08/02/03 Pct Recovery = 114% Analysis Date = 07/27/03 Pct Recovery = 115% Analysis Date = 07/27/03 Pct Recovery = 115% Analysis Date = 07/21/03 Pct Recovery = 116% Analysis Date = 07/21/03 Pct Recovery = 116% Analysis Date = 07/15/03 Pct Recovery = 117% Analysis Date = 07/15/03 Pct Recovery = 117% Analysis Date = 07/10/03 Pct Recovery = 118% Analysis Date = 07/10/03 Pct Recovery = 118% Analysis Date = 07/04/03 Pct Recovery = 119% Analysis Date = 07/04/03 Pct Recovery = 119% Analysis Date = 06/28/03 Pct Recovery = 119% Analysis Date = 06/28/03 Pct Recovery = 119% Analysis Date = 06/23/03 Pct Recovery = 120% Analysis Date = 06/23/03 Pct Recovery = 120% Analysis Date = 06/17/03 Pct Recovery = 121% Analysis Date = 06/17/03 Pct Recovery = 121% Analysis Date = 06/11/03 Pct Recovery = 122% Analysis Date = 06/11/03 Pct Recovery = 122% Analysis Date = 06/05/03 Pct Recovery = 123% Analysis Date = 06/05/03 Pct Recovery = 123% Analysis Date = 05/31/03 Pct Recovery = 123% Analysis Date = 05/31/03 Pct Recovery = 123% Analysis Date = 05/25/03 Pct Recovery = 124% Analysis Date = 05/25/03 Pct Recovery = 124% Analysis Date = 05/19/03 Pct Recovery = 125% Analysis Date = 05/19/03 Pct Recovery = 125% Analysis Date = 05/14/03 Pct Recovery = 126% Analysis Date = 05/14/03 Pct Recovery = 126% Analysis Date = 05/08/03 Pct Recovery = 126% Analysis Date = 05/08/03 Pct Recovery = 126% Analysis Date = 05/02/03 Pct Recovery = 125% Analysis Date = 05/02/03 Pct Recovery = 125% Analysis Date = 04/26/03 Pct Recovery = 125% Analysis Date = 04/26/03 Pct Recovery = 125% Analysis Date = 04/21/03 Pct Recovery = 125% Analysis Date = 04/21/03 Pct Recovery = 125% Analysis Date = 04/15/03 Pct Recovery = 124% Analysis Date = 04/15/03 Pct Recovery = 124% Analysis Date = 04/09/03 Pct Recovery = 124% Analysis Date = 04/09/03 Pct Recovery = 124% Analysis Date = 04/04/03 Pct Recovery = 124% Analysis Date = 04/04/03 Pct Recovery = 124% Analysis Date = 03/29/03 Pct Recovery = 123% Analysis Date = 03/29/03 Pct Recovery = 123% Analysis Date = 03/23/03 Pct Recovery = 123% Analysis Date = 03/23/03 Pct Recovery = 123% Analysis Date = 03/17/03 Pct Recovery = 122% Analysis Date = 03/17/03 Pct Recovery = 122% Analysis Date = 03/12/03 Pct Recovery = 122% Analysis Date = 03/12/03 Pct Recovery = 122% Analysis Date = 03/06/03 Pct Recovery = 122% Analysis Date = 03/06/03 Pct Recovery = 122% Analysis Date = 02/28/03 Pct Recovery = 121% Analysis Date = 02/28/03 Pct Recovery = 121% Analysis Date = 02/22/03 Pct Recovery = 121% Analysis Date = 02/22/03 Pct Recovery = 121% Analysis Date = 02/17/03 Pct Recovery = 121% Analysis Date = 02/17/03 Pct Recovery = 121% Analysis Date = 02/11/03 Pct Recovery = 120% Analysis Date = 02/11/03 Pct Recovery = 120% Analysis Date = 02/05/03 Pct Recovery = 120% Analysis Date = 02/05/03 Pct Recovery = 120% Analysis Date = 01/31/03 Pct Recovery = 120% Analysis Date = 01/31/03 Pct Recovery = 120% Analysis Date = 01/25/03 Pct Recovery = 119% Analysis Date = 01/25/03 Pct Recovery = 119% Analysis Date = 01/19/03 Pct Recovery = 119% Analysis Date = 01/19/03 Pct Recovery = 119% Analysis Date = 01/13/03 Pct Recovery = 119% Analysis Date = 01/13/03 Pct Recovery = 119% Analysis Date = 01/08/03 Pct Recovery = 118% Analysis Date = 01/08/03 Pct Recovery = 118% Analysis Date = 01/02/03 Pct Recovery = 118% Analysis Date = 01/02/03 Pct Recovery = 118% Analysis Date = 12/27/02 Pct Recovery = 118% Analysis Date = 12/27/02 Pct Recovery = 118% Analysis Date = 12/22/02 Pct Recovery = 117% Analysis Date = 12/22/02 Pct Recovery = 117% Analysis Date = 12/16/02 Pct Recovery = 117% Analysis Date = 12/16/02 Pct Recovery = 117% Analysis Date = 12/10/02 Pct Recovery = 117% Analysis Date = 12/10/02 Pct Recovery = 117% Analysis Date = 12/04/02 Pct Recovery = 116% Analysis Date = 12/04/02 Pct Recovery = 116% Analysis Date = 11/29/02 Pct Recovery = 116% Analysis Date = 11/29/02 Pct Recovery = 116% Analysis Date = 11/23/02 Pct Recovery = 116% Analysis Date = 11/23/02 Pct Recovery = 116% Analysis Date = 11/17/02 Pct Recovery = 115% Analysis Date = 11/17/02 Pct Recovery = 115% Analysis Date = 11/12/02 Pct Recovery = 115% Analysis Date = 11/12/02 Pct Recovery = 115% Analysis Date = 11/06/02 Pct Recovery = 114% Analysis Date = 11/06/02 Pct Recovery = 114% Analysis Date = 10/31/02 Pct Recovery = 114% Analysis Date = 10/31/02 Pct Recovery = 114% Analysis Date = 10/25/02 Pct Recovery = 114% Analysis Date = 10/25/02 Pct Recovery = 114% Analysis Date = 10/20/02 Pct Recovery = 113% Analysis Date = 10/20/02 Pct Recovery = 113% Analysis Date = 10/14/02 Pct Recovery = 113% Analysis Date = 10/14/02 Pct Recovery = 113% Analysis Date = 10/08/02 Pct Recovery = 113% Analysis Date = 10/08/02 Pct Recovery = 113% Analysis Date = 10/03/02 Pct Recovery = 112% Analysis Date = 10/03/02 Pct Recovery = 112% Analysis Date = 09/27/02 Pct Recovery = 112% Analysis Date = 09/27/02 Pct Recovery = 112% Analysis Date = 09/21/02 Pct Recovery = 112% Analysis Date = 09/21/02 Pct Recovery = 112% Analysis Date = 09/15/02 Pct Recovery = 111% Analysis Date = 09/15/02 Pct Recovery = 111% Analysis Date = 09/10/02 Pct Recovery = 111% Analysis Date = 09/10/02 Pct Recovery = 111% Analysis Date = 09/04/02 Pct Recovery = 111% Analysis Date = 09/04/02 Pct Recovery = 111% Analysis Date = 08/29/02 Pct Recovery = 110% Analysis Date = 08/29/02 Pct Recovery = 110% Analysis Date = 08/24/02 Pct Recovery = 110% Analysis Date = 08/24/02 Pct Recovery = 110% Analysis Date = 08/18/02 Pct Recovery = 110% Analysis Date = 08/18/02 Pct Recovery = 110% Analysis Date = 08/12/02 Pct Recovery = 109% Analysis Date = 08/12/02 Pct Recovery = 109% Analysis Date = 08/06/02 Pct Recovery = 109% Analysis Date = 08/06/02 Pct Recovery = 109% Analysis Date = 08/01/02 Pct Recovery = 109% Analysis Date = 08/01/02 Pct Recovery = 109% Analysis Date = 07/26/02 Pct Recovery = 108% Analysis Date = 07/26/02 Pct Recovery = 108% Analysis Date = 07/20/02 Pct Recovery = 108% Analysis Date = 07/20/02 Pct Recovery = 108% Analysis Date = 07/14/02 Pct Recovery = 107% Analysis Date = 07/14/02 Pct Recovery = 107% Analysis Date = 07/09/02 Pct Recovery = 107% Analysis Date = 07/09/02 Pct Recovery = 107% Analysis Date = 07/03/02 Pct Recovery = 107% Analysis Date = 07/03/02 Pct Recovery = 107% Analysis Date = 06/27/02 Pct Recovery = 106% Analysis Date = 06/27/02 Pct Recovery = 106% Analysis Date = 06/22/02 Pct Recovery = 106% Analysis Date = 06/22/02 Pct Recovery = 106% Analysis Date = 06/16/02 Pct Recovery = 106% Analysis Date = 06/16/02 Pct Recovery = 106% Analysis Date = 06/10/02 Pct Recovery = 106% Analysis Date = 06/10/02 Pct Recovery = 106% Analysis Date = 06/04/02 Pct Recovery = 106% Analysis Date = 06/04/02 Pct Recovery = 106% Analysis Date = 05/30/02 Pct Recovery = 106% Analysis Date = 05/30/02 Pct Recovery = 106% Analysis Date = 05/24/02 Pct Recovery = 106% Analysis Date = 05/24/02 Pct Recovery = 106% Analysis Date = 05/18/02 Pct Recovery = 106% Analysis Date = 05/18/02 Pct Recovery = 106% Analysis Date = 05/13/02 Pct Recovery = 106% Analysis Date = 05/13/02 Pct Recovery = 106% Analysis Date = 05/07/02 Pct Recovery = 106% Analysis Date = 05/07/02 Pct Recovery = 106% Analysis Date = 05/01/02 Pct Recovery = 106% Analysis Date = 05/01/02 Pct Recovery = 106% Analysis Date = 04/25/02 Pct Recovery = 106% Analysis Date = 04/25/02 Pct Recovery = 106% Analysis Date = 04/20/02 Pct Recovery = 106% Analysis Date = 04/20/02 Pct Recovery = 106% Analysis Date = 04/14/02 Pct Recovery = 106% Analysis Date = 04/14/02 Pct Recovery = 106% Analysis Date = 04/08/02 Pct Recovery = 106% Analysis Date = 04/08/02 Pct Recovery = 106% Analysis Date = 04/03/02 Pct Recovery = 106% Analysis Date = 04/03/02 Pct Recovery = 106% Analysis Date = 03/28/02 Pct Recovery = 106% Analysis Date = 03/28/02 Pct Recovery = 106% Analysis Date = 03/22/02 Pct Recovery = 106% Analysis Date = 03/22/02 Pct Recovery = 106% Analysis Date = 03/16/02 Pct Recovery = 106% Analysis Date = 03/16/02 Pct Recovery = 106% Analysis Date = 03/11/02 Pct Recovery = 106% Analysis Date = 03/11/02 Pct Recovery = 106% Analysis Date = 03/05/02 Pct Recovery = 106% Analysis Date = 03/05/02 Pct Recovery = 106% Analysis Date = 02/27/02 Pct Recovery = 106% Analysis Date = 02/27/02 Pct Recovery = 106% Analysis Date = 02/22/02 Pct Recovery = 106% Analysis Date = 02/22/02 Pct Recovery = 106% Analysis Date = 02/16/02 Pct Recovery = 106% Analysis Date = 02/16/02 Pct Recovery = 106% Analysis Date = 02/10/02 Pct Recovery = 106% Analysis Date = 02/10/02 Pct Recovery = 106% Analysis Date = 02/04/02 Pct Recovery = 106% Analysis Date = 02/04/02 Pct Recovery = 106% Analysis Date = 01/30/02 Pct Recovery = 106% Analysis Date = 01/30/02 Pct Recovery = 106% Analysis Date = 01/24/02 Pct Recovery = 106% Analysis Date = 01/24/02 Pct Recovery = 106% Analysis Date = 01/18/02 Pct Recovery = 106% Analysis Date = 01/18/02 Pct Recovery = 106% Analysis Date = 01/13/02 Pct Recovery = 106% Analysis Date = 01/13/02 Pct Recovery = 106% Analysis Date = 01/07/02 Pct Recovery = 106% Analysis Date = 01/07/02 Pct Recovery = 106% Analysis Date = 01/01/02 Pct Recovery = 106% Analysis Date = 01/01/02 Pct Recovery = 106% Analysis Date = 12/26/01 Pct Recovery = 106% Analysis Date = 12/26/01 Pct Recovery = 106% Analysis Date = 12/21/01 Pct Recovery = 106% Analysis Date = 12/21/01 Pct Recovery = 106% Analysis Date = 12/15/01 Pct Recovery = 106% Analysis Date = 12/15/01 Pct Recovery = 106% Analysis Date = 12/09/01 Pct Recovery = 106% Analysis Date = 12/09/01 Pct Recovery = 106% Analysis Date = 12/03/01 Pct Recovery = 106% Analysis Date = 12/03/01 Pct Recovery = 106% Analysis Date = 11/28/01 Pct Recovery = 106% Analysis Date = 11/28/01 Pct Recovery = 106% Analysis Date = 11/22/01 Pct Recovery = 106% Analysis Date = 11/22/01 Pct Recovery = 106% Analysis Date = 11/16/01 Pct Recovery = 106% Analysis Date = 11/16/01 Pct Recovery = 106% Analysis Date = 11/11/01 Pct Recovery = 106% Analysis Date = 11/11/01 Pct Recovery = 106% Analysis Date = 11/05/01 Pct Recovery = 106% Analysis Date = 11/05/01 Pct Recovery = 106% Analysis Date = 10/30/01 Pct Recovery = 106% Analysis Date = 10/30/01 Pct Recovery = 106% Analysis Date = 10/24/01 Pct Recovery = 106% Analysis Date = 10/24/01 Pct Recovery = 106% Analysis Date = 10/19/01 Pct Recovery = 106% Analysis Date = 10/19/01 Pct Recovery = 106% Analysis Date = 10/13/01 Pct Recovery = 105% Analysis Date = 10/13/01 Pct Recovery = 105% Analysis Date = 10/07/01 Pct Recovery = 105% Analysis Date = 10/07/01 Pct Recovery = 105% Analysis Date = 10/02/01 Pct Recovery = 105% Analysis Date = 10/02/01 Pct Recovery = 105% Analysis Date = 09/26/01 Pct Recovery = 105% Analysis Date = 09/26/01 Pct Recovery = 105% Analysis Date = 09/20/01 Pct Recovery = 105% Analysis Date = 09/20/01 Pct Recovery = 105% Analysis Date = 09/14/01 Pct Recovery = 105% Analysis Date = 09/14/01 Pct Recovery = 105% Analysis Date = 09/09/01 Pct Recovery = 105% Analysis Date = 09/09/01 Pct Recovery = 105% Analysis Date = 09/03/01 Pct Recovery = 105% Analysis Date = 09/03/01 Pct Recovery = 105% Analysis Date = 08/28/01 Pct Recovery = 105% Analysis Date = 08/28/01 Pct Recovery = 105% Analysis Date = 08/23/01 Pct Recovery = 105% Analysis Date = 08/23/01 Pct Recovery = 105% Analysis Date = 08/17/01 Pct Recovery = 105% Analysis Date = 08/17/01 Pct Recovery = 105% Analysis Date = 08/11/01 Pct Recovery = 105% Analysis Date = 08/11/01 Pct Recovery = 105% Analysis Date = 08/05/01 Pct Recovery = 105% Analysis Date = 08/05/01 Pct Recovery = 105% Analysis Date = 07/31/01 Pct Recovery = 105% Analysis Date = 07/31/01 Pct Recovery = 105% Analysis Date = 07/25/01 Pct Recovery = 105% Analysis Date = 07/25/01 Pct Recovery = 105% Analysis Date = 07/19/01 Pct Recovery = 104% Analysis Date = 07/19/01 Pct Recovery = 104% Analysis Date = 07/14/01 Pct Recovery = 104% Analysis Date = 07/14/01 Pct Recovery = 104% Analysis Date = 07/08/01 Pct Recovery = 104% Analysis Date = 07/08/01 Pct Recovery = 104% Analysis Date = 07/02/01 Pct Recovery = 104% Analysis Date = 07/02/01 Pct Recovery = 104% Analysis Date = 06/26/01 Pct Recovery = 104% Analysis Date = 06/26/01 Pct Recovery = 104% Analysis Date = 06/21/01 Pct Recovery = 104% Analysis Date = 06/21/01 Pct Recovery = 104% Analysis Date = 06/15/01 Pct Recovery = 104% Analysis Date = 06/15/01 Pct Recovery = 104% Analysis Date = 06/09/01 Pct Recovery = 104% Analysis Date = 06/09/01 Pct Recovery = 104% Analysis Date = 06/04/01 Pct Recovery = 104% Analysis Date = 06/04/01 Pct Recovery = 104% Analysis Date = 05/29/01 Pct Recovery = 104% Analysis Date = 05/29/01 Pct Recovery = 104% Analysis Date = 05/23/01 Pct Recovery = 104% Analysis Date = 05/23/01 Pct Recovery = 104% Analysis Date = 05/17/01 Pct Recovery = 104% Analysis Date = 05/17/01 Pct Recovery = 104% Analysis Date = 05/12/01 Pct Recovery = 104% Analysis Date = 05/12/01 Pct Recovery = 104% Analysis Date = 05/06/01 Pct Recovery = 104% Analysis Date = 05/06/01 Pct Recovery = 104% Analysis Date = 04/30/01 Pct Recovery = 104% Analysis Date = 04/30/01 Pct Recovery = 104% Analysis Date = 04/24/01 Pct Recovery = 104% Analysis Date = 04/24/01 Pct Recovery = 104% Analysis Date = 04/19/01 Pct Recovery = 103% Analysis Date = 04/19/01 Pct Recovery = 103% Analysis Date = 04/13/01 Pct Recovery = 103% Analysis Date = 04/13/01 Pct Recovery = 103% Analysis Date = 04/07/01 Pct Recovery = 103% Analysis Date = 04/07/01 Pct Recovery = 103% Analysis Date = 04/02/01 Pct Recovery = 103% Analysis Date = 04/02/01 Pct Recovery = 103% Analysis Date = 03/27/01 Pct Recovery = 103% Analysis Date = 03/27/01 Pct Recovery = 103% Analysis Date = 03/21/01 Pct Recovery = 103% Analysis Date = 03/21/01 Pct Recovery = 103% Analysis Date = 03/15/01 Pct Recovery = 103% Analysis Date = 03/15/01 Pct Recovery = 103% Analysis Date = 03/10/01 Pct Recovery = 103% Analysis Date = 03/10/01 Pct Recovery = 103% Analysis Date = 03/04/01 Pct Recovery = 103% Analysis Date = 03/04/01 Pct Recovery = 103% Analysis Date = 02/26/01 Pct Recovery = 103% Analysis Date = 02/26/01 Pct Recovery = 103% Analysis Date = 02/21/01 Pct Recovery = 103% Analysis Date = 02/21/01 Pct Recovery = 103% Analysis Date = 02/15/01 Pct Recovery = 103% Analysis Date = 02/15/01 Pct Recovery = 103% Analysis Date = 02/09/01 Pct Recovery = 103% Analysis Date = 02/09/01 Pct Recovery = 103% Analysis Date = 02/03/01 Pct Recovery = 103% Analysis Date = 02/03/01 Pct Recovery = 103% Analysis Date = 01/29/01 Pct Recovery = 103% Analysis Date = 01/29/01 Pct Recovery = 103% Analysis Date = 01/23/01 Pct Recovery = 102% Analysis Date = 01/23/01 Pct Recovery = 102% Analysis Date = 01/17/01 Pct Recovery = 102% Analysis Date = 01/17/01 Pct Recovery = 102% Analysis Date = 01/12/01 Pct Recovery = 102% Analysis Date = 01/12/01 Pct Recovery = 102% Analysis Date = 01/06/01 Pct Recovery = 102% Analysis Date = 01/06/01 Pct Recovery = 102% Analysis Date = 12/31/00 Pct Recovery = 102% Analysis Date = 12/31/00 Pct Recovery = 102% Analysis Date = 12/25/00 Pct Recovery = 102% Analysis Date = 12/25/00 Pct Recovery = 102% Analysis Date = 12/20/00 Pct Recovery = 102% Analysis Date = 12/20/00 Pct Recovery = 102% Analysis Date = 12/14/00 Pct Recovery = 102% Analysis Date = 12/14/00 Pct Recovery = 102% Analysis Date = 12/08/00 Pct Recovery = 102% Analysis Date = 12/08/00 Pct Recovery = 102% Analysis Date = 12/03/00 Pct Recovery = 102% Analysis Date = 12/03/00 Pct Recovery = 102% Analysis Date = 11/27/00 Pct Recovery = 102% Analysis Date = 11/27/00 Pct Recovery = 102% Analysis Date = 11/21/00 Pct Recovery = 102% Analysis Date = 11/21/00 Pct Recovery = 102% Analysis Date = 11/15/00 Pct Recovery = 102% Analysis Date = 11/15/00 Pct Recovery = 102% Analysis Date = 11/10/00 Pct Recovery = 102% Analysis Date = 11/10/00 Pct Recovery = 102% Analysis Date = 11/04/00 Pct Recovery = 101% Analysis Date = 11/04/00 Pct Recovery = 101% Analysis Date = 10/29/00 Pct Recovery = 101% Analysis Date = 10/29/00 Pct Recovery = 101% Analysis Date = 10/24/00 Pct Recovery = 101% Analysis Date = 10/24/00 Pct Recovery = 101% Analysis Date = 10/18/00 Pct Recovery = 101% Analysis Date = 10/18/00 Pct Recovery = 101% Analysis Date = 10/12/00 Pct Recovery = 101% Analysis Date = 10/12/00 Pct Recovery = 101% Analysis Date = 10/06/00 Pct Recovery = 101% Analysis Date = 10/06/00 Pct Recovery = 101% Analysis Date = 10/01/00 Pct Recovery = 101% Analysis Date = 10/01/00 Pct Recovery = 101% Analysis Date = 09/25/00 Pct Recovery = 101% Analysis Date = 09/25/00 Pct Recovery = 101% Analysis Date = 09/19/00 Pct Recovery = 101% Analysis Date = 09/19/00 Pct Recovery = 101% Analysis Date = 09/13/00 Pct Recovery = 100% Analysis Date = 09/13/00 Pct Recovery = 100% Analysis Date = 09/08/00 Pct Recovery = 100% Analysis Date = 09/08/00 Pct Recovery = 100% Analysis Date = 09/02/00 Pct Recovery = 100% Analysis Date = 09/02/00 Pct Recovery = 100% Analysis Date = 08/27/00 Pct Recovery = 100% Analysis Date = 08/27/00 Pct Recovery = 100% Analysis Date = 08/22/00 Pct Recovery = 100% Analysis Date = 08/22/00 Pct Recovery = 100% Analysis Date = 08/16/00 Pct Recovery = 100% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,2,3,5-TETRAMETHYLBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 14 109% 15% 111% 17%
Total 14 109% 15% 111% 17%

Sample Statistics
1,2,3,5-TETRAMETHYLBENZENE

Characteristic N % % Basis
Plotted 14 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 14 .  
False Negatives 0 0% 0 out of 14
Not Spiked 22 .  
False Positives 0 0% 0 out of 22

BQS OBSP Determination:
1,2,3-TRICHLOROBENZENE
METHOD: 4054 , TESTIDCODE: 77613GCM66
Open Data Set

Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 110% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 119% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 99% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 92% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 85% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 93% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 73% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 103% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 77% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 104% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 110% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 98% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 78% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 109% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 78% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 146% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 84% Analysis Date = 10/04/03 Pct Recovery = 92% Analysis Date = 09/27/03 Pct Recovery = 93% Analysis Date = 09/27/03 Pct Recovery = 93% Analysis Date = 09/20/03 Pct Recovery = 93% Analysis Date = 09/20/03 Pct Recovery = 93% Analysis Date = 09/14/03 Pct Recovery = 93% Analysis Date = 09/14/03 Pct Recovery = 93% Analysis Date = 09/07/03 Pct Recovery = 94% Analysis Date = 09/07/03 Pct Recovery = 94% Analysis Date = 09/01/03 Pct Recovery = 94% Analysis Date = 09/01/03 Pct Recovery = 94% Analysis Date = 08/25/03 Pct Recovery = 94% Analysis Date = 08/25/03 Pct Recovery = 94% Analysis Date = 08/18/03 Pct Recovery = 95% Analysis Date = 08/18/03 Pct Recovery = 95% Analysis Date = 08/12/03 Pct Recovery = 95% Analysis Date = 08/12/03 Pct Recovery = 95% Analysis Date = 08/05/03 Pct Recovery = 95% Analysis Date = 08/05/03 Pct Recovery = 95% Analysis Date = 07/30/03 Pct Recovery = 96% Analysis Date = 07/30/03 Pct Recovery = 96% Analysis Date = 07/23/03 Pct Recovery = 96% Analysis Date = 07/23/03 Pct Recovery = 96% Analysis Date = 07/16/03 Pct Recovery = 96% Analysis Date = 07/16/03 Pct Recovery = 96% Analysis Date = 07/10/03 Pct Recovery = 96% Analysis Date = 07/10/03 Pct Recovery = 96% Analysis Date = 07/03/03 Pct Recovery = 97% Analysis Date = 07/03/03 Pct Recovery = 97% Analysis Date = 06/27/03 Pct Recovery = 97% Analysis Date = 06/27/03 Pct Recovery = 97% Analysis Date = 06/20/03 Pct Recovery = 97% Analysis Date = 06/20/03 Pct Recovery = 97% Analysis Date = 06/13/03 Pct Recovery = 97% Analysis Date = 06/13/03 Pct Recovery = 97% Analysis Date = 06/07/03 Pct Recovery = 97% Analysis Date = 06/07/03 Pct Recovery = 97% Analysis Date = 05/31/03 Pct Recovery = 97% Analysis Date = 05/31/03 Pct Recovery = 97% Analysis Date = 05/25/03 Pct Recovery = 97% Analysis Date = 05/25/03 Pct Recovery = 97% Analysis Date = 05/18/03 Pct Recovery = 97% Analysis Date = 05/18/03 Pct Recovery = 97% Analysis Date = 05/11/03 Pct Recovery = 97% Analysis Date = 05/11/03 Pct Recovery = 97% Analysis Date = 05/05/03 Pct Recovery = 97% Analysis Date = 05/05/03 Pct Recovery = 97% Analysis Date = 04/28/03 Pct Recovery = 97% Analysis Date = 04/28/03 Pct Recovery = 97% Analysis Date = 04/22/03 Pct Recovery = 97% Analysis Date = 04/22/03 Pct Recovery = 97% Analysis Date = 04/15/03 Pct Recovery = 97% Analysis Date = 04/15/03 Pct Recovery = 97% Analysis Date = 04/09/03 Pct Recovery = 97% Analysis Date = 04/09/03 Pct Recovery = 97% Analysis Date = 04/02/03 Pct Recovery = 97% Analysis Date = 04/02/03 Pct Recovery = 97% Analysis Date = 03/26/03 Pct Recovery = 96% Analysis Date = 03/26/03 Pct Recovery = 96% Analysis Date = 03/20/03 Pct Recovery = 96% Analysis Date = 03/20/03 Pct Recovery = 96% Analysis Date = 03/13/03 Pct Recovery = 96% Analysis Date = 03/13/03 Pct Recovery = 96% Analysis Date = 03/07/03 Pct Recovery = 96% Analysis Date = 03/07/03 Pct Recovery = 96% Analysis Date = 02/28/03 Pct Recovery = 96% Analysis Date = 02/28/03 Pct Recovery = 96% Analysis Date = 02/21/03 Pct Recovery = 96% Analysis Date = 02/21/03 Pct Recovery = 96% Analysis Date = 02/15/03 Pct Recovery = 96% Analysis Date = 02/15/03 Pct Recovery = 96% Analysis Date = 02/08/03 Pct Recovery = 96% Analysis Date = 02/08/03 Pct Recovery = 96% Analysis Date = 02/02/03 Pct Recovery = 96% Analysis Date = 02/02/03 Pct Recovery = 96% Analysis Date = 01/26/03 Pct Recovery = 96% Analysis Date = 01/26/03 Pct Recovery = 96% Analysis Date = 01/19/03 Pct Recovery = 96% Analysis Date = 01/19/03 Pct Recovery = 96% Analysis Date = 01/13/03 Pct Recovery = 96% Analysis Date = 01/13/03 Pct Recovery = 96% Analysis Date = 01/06/03 Pct Recovery = 95% Analysis Date = 01/06/03 Pct Recovery = 95% Analysis Date = 12/31/02 Pct Recovery = 95% Analysis Date = 12/31/02 Pct Recovery = 95% Analysis Date = 12/24/02 Pct Recovery = 95% Analysis Date = 12/24/02 Pct Recovery = 95% Analysis Date = 12/17/02 Pct Recovery = 95% Analysis Date = 12/17/02 Pct Recovery = 95% Analysis Date = 12/11/02 Pct Recovery = 95% Analysis Date = 12/11/02 Pct Recovery = 95% Analysis Date = 12/04/02 Pct Recovery = 95% Analysis Date = 12/04/02 Pct Recovery = 95% Analysis Date = 11/28/02 Pct Recovery = 95% Analysis Date = 11/28/02 Pct Recovery = 95% Analysis Date = 11/21/02 Pct Recovery = 95% Analysis Date = 11/21/02 Pct Recovery = 95% Analysis Date = 11/15/02 Pct Recovery = 95% Analysis Date = 11/15/02 Pct Recovery = 95% Analysis Date = 11/08/02 Pct Recovery = 95% Analysis Date = 11/08/02 Pct Recovery = 95% Analysis Date = 11/01/02 Pct Recovery = 95% Analysis Date = 11/01/02 Pct Recovery = 95% Analysis Date = 10/26/02 Pct Recovery = 95% Analysis Date = 10/26/02 Pct Recovery = 95% Analysis Date = 10/19/02 Pct Recovery = 94% Analysis Date = 10/19/02 Pct Recovery = 94% Analysis Date = 10/13/02 Pct Recovery = 94% Analysis Date = 10/13/02 Pct Recovery = 94% Analysis Date = 10/06/02 Pct Recovery = 94% Analysis Date = 10/06/02 Pct Recovery = 94% Analysis Date = 09/29/02 Pct Recovery = 94% Analysis Date = 09/29/02 Pct Recovery = 94% Analysis Date = 09/23/02 Pct Recovery = 94% Analysis Date = 09/23/02 Pct Recovery = 94% Analysis Date = 09/16/02 Pct Recovery = 94% Analysis Date = 09/16/02 Pct Recovery = 94% Analysis Date = 09/10/02 Pct Recovery = 94% Analysis Date = 09/10/02 Pct Recovery = 94% Analysis Date = 09/03/02 Pct Recovery = 94% Analysis Date = 09/03/02 Pct Recovery = 94% Analysis Date = 08/27/02 Pct Recovery = 94% Analysis Date = 08/27/02 Pct Recovery = 94% Analysis Date = 08/21/02 Pct Recovery = 94% Analysis Date = 08/21/02 Pct Recovery = 94% Analysis Date = 08/14/02 Pct Recovery = 94% Analysis Date = 08/14/02 Pct Recovery = 94% Analysis Date = 08/08/02 Pct Recovery = 93% Analysis Date = 08/08/02 Pct Recovery = 93% Analysis Date = 08/01/02 Pct Recovery = 93% Analysis Date = 08/01/02 Pct Recovery = 93% Analysis Date = 07/25/02 Pct Recovery = 93% Analysis Date = 07/25/02 Pct Recovery = 93% Analysis Date = 07/19/02 Pct Recovery = 93% Analysis Date = 07/19/02 Pct Recovery = 93% Analysis Date = 07/12/02 Pct Recovery = 93% Analysis Date = 07/12/02 Pct Recovery = 93% Analysis Date = 07/06/02 Pct Recovery = 93% Analysis Date = 07/06/02 Pct Recovery = 93% Analysis Date = 06/29/02 Pct Recovery = 93% Analysis Date = 06/29/02 Pct Recovery = 93% Analysis Date = 06/22/02 Pct Recovery = 93% Analysis Date = 06/22/02 Pct Recovery = 93% Analysis Date = 06/16/02 Pct Recovery = 93% Analysis Date = 06/16/02 Pct Recovery = 93% Analysis Date = 06/09/02 Pct Recovery = 93% Analysis Date = 06/09/02 Pct Recovery = 93% Analysis Date = 06/03/02 Pct Recovery = 93% Analysis Date = 06/03/02 Pct Recovery = 93% Analysis Date = 05/27/02 Pct Recovery = 93% Analysis Date = 05/27/02 Pct Recovery = 93% Analysis Date = 05/21/02 Pct Recovery = 93% Analysis Date = 05/21/02 Pct Recovery = 93% Analysis Date = 05/14/02 Pct Recovery = 93% Analysis Date = 05/14/02 Pct Recovery = 93% Analysis Date = 05/07/02 Pct Recovery = 93% Analysis Date = 05/07/02 Pct Recovery = 93% Analysis Date = 05/01/02 Pct Recovery = 93% Analysis Date = 05/01/02 Pct Recovery = 93% Analysis Date = 04/24/02 Pct Recovery = 93% Analysis Date = 04/24/02 Pct Recovery = 93% Analysis Date = 04/18/02 Pct Recovery = 93% Analysis Date = 04/18/02 Pct Recovery = 93% Analysis Date = 04/11/02 Pct Recovery = 93% Analysis Date = 04/11/02 Pct Recovery = 93% Analysis Date = 04/04/02 Pct Recovery = 93% Analysis Date = 04/04/02 Pct Recovery = 93% Analysis Date = 03/29/02 Pct Recovery = 93% Analysis Date = 03/29/02 Pct Recovery = 93% Analysis Date = 03/22/02 Pct Recovery = 94% Analysis Date = 03/22/02 Pct Recovery = 94% Analysis Date = 03/16/02 Pct Recovery = 94% Analysis Date = 03/16/02 Pct Recovery = 94% Analysis Date = 03/09/02 Pct Recovery = 94% Analysis Date = 03/09/02 Pct Recovery = 94% Analysis Date = 03/02/02 Pct Recovery = 94% Analysis Date = 03/02/02 Pct Recovery = 94% Analysis Date = 02/24/02 Pct Recovery = 94% Analysis Date = 02/24/02 Pct Recovery = 94% Analysis Date = 02/17/02 Pct Recovery = 94% Analysis Date = 02/17/02 Pct Recovery = 94% Analysis Date = 02/11/02 Pct Recovery = 94% Analysis Date = 02/11/02 Pct Recovery = 94% Analysis Date = 02/04/02 Pct Recovery = 94% Analysis Date = 02/04/02 Pct Recovery = 94% Analysis Date = 01/28/02 Pct Recovery = 95% Analysis Date = 01/28/02 Pct Recovery = 95% Analysis Date = 01/22/02 Pct Recovery = 95% Analysis Date = 01/22/02 Pct Recovery = 95% Analysis Date = 01/15/02 Pct Recovery = 95% Analysis Date = 01/15/02 Pct Recovery = 95% Analysis Date = 01/09/02 Pct Recovery = 95% Analysis Date = 01/09/02 Pct Recovery = 95% Analysis Date = 01/02/02 Pct Recovery = 95% Analysis Date = 01/02/02 Pct Recovery = 95% Analysis Date = 12/27/01 Pct Recovery = 95% Analysis Date = 12/27/01 Pct Recovery = 95% Analysis Date = 12/20/01 Pct Recovery = 95% Analysis Date = 12/20/01 Pct Recovery = 95% Analysis Date = 12/13/01 Pct Recovery = 95% Analysis Date = 12/13/01 Pct Recovery = 95% Analysis Date = 12/07/01 Pct Recovery = 96% Analysis Date = 12/07/01 Pct Recovery = 96% Analysis Date = 11/30/01 Pct Recovery = 96% Analysis Date = 11/30/01 Pct Recovery = 96% Analysis Date = 11/24/01 Pct Recovery = 96% Analysis Date = 11/24/01 Pct Recovery = 96% Analysis Date = 11/17/01 Pct Recovery = 96% Analysis Date = 11/17/01 Pct Recovery = 96% Analysis Date = 11/10/01 Pct Recovery = 96% Analysis Date = 11/10/01 Pct Recovery = 96% Analysis Date = 11/04/01 Pct Recovery = 96% Analysis Date = 11/04/01 Pct Recovery = 96% Analysis Date = 10/28/01 Pct Recovery = 96% Analysis Date = 10/28/01 Pct Recovery = 96% Analysis Date = 10/22/01 Pct Recovery = 97% Analysis Date = 10/22/01 Pct Recovery = 97% Analysis Date = 10/15/01 Pct Recovery = 97% Analysis Date = 10/15/01 Pct Recovery = 97% Analysis Date = 10/08/01 Pct Recovery = 97% Analysis Date = 10/08/01 Pct Recovery = 97% Analysis Date = 10/02/01 Pct Recovery = 97% Analysis Date = 10/02/01 Pct Recovery = 97% Analysis Date = 09/25/01 Pct Recovery = 97% Analysis Date = 09/25/01 Pct Recovery = 97% Analysis Date = 09/19/01 Pct Recovery = 97% Analysis Date = 09/19/01 Pct Recovery = 97% Analysis Date = 09/12/01 Pct Recovery = 97% Analysis Date = 09/12/01 Pct Recovery = 97% Analysis Date = 09/05/01 Pct Recovery = 98% Analysis Date = 09/05/01 Pct Recovery = 98% Analysis Date = 08/30/01 Pct Recovery = 98% Analysis Date = 08/30/01 Pct Recovery = 98% Analysis Date = 08/23/01 Pct Recovery = 98% Analysis Date = 08/23/01 Pct Recovery = 98% Analysis Date = 08/17/01 Pct Recovery = 98% Analysis Date = 08/17/01 Pct Recovery = 98% Analysis Date = 08/10/01 Pct Recovery = 98% Analysis Date = 08/10/01 Pct Recovery = 98% Analysis Date = 08/04/01 Pct Recovery = 98% Analysis Date = 08/04/01 Pct Recovery = 98% Analysis Date = 07/28/01 Pct Recovery = 98% Analysis Date = 07/28/01 Pct Recovery = 98% Analysis Date = 07/21/01 Pct Recovery = 98% Analysis Date = 07/21/01 Pct Recovery = 98% Analysis Date = 07/15/01 Pct Recovery = 99% Analysis Date = 07/15/01 Pct Recovery = 99% Analysis Date = 07/08/01 Pct Recovery = 99% Analysis Date = 07/08/01 Pct Recovery = 99% Analysis Date = 07/02/01 Pct Recovery = 99% Analysis Date = 07/02/01 Pct Recovery = 99% Analysis Date = 06/25/01 Pct Recovery = 99% Analysis Date = 06/25/01 Pct Recovery = 99% Analysis Date = 06/18/01 Pct Recovery = 99% Analysis Date = 06/18/01 Pct Recovery = 99% Analysis Date = 06/12/01 Pct Recovery = 99% Analysis Date = 06/12/01 Pct Recovery = 99% Analysis Date = 06/05/01 Pct Recovery = 99% Analysis Date = 06/05/01 Pct Recovery = 99% Analysis Date = 05/30/01 Pct Recovery = 100% Analysis Date = 05/30/01 Pct Recovery = 100% Analysis Date = 05/23/01 Pct Recovery = 100% Analysis Date = 05/23/01 Pct Recovery = 100% Analysis Date = 05/16/01 Pct Recovery = 100% Analysis Date = 05/16/01 Pct Recovery = 100% Analysis Date = 05/10/01 Pct Recovery = 100% Analysis Date = 05/10/01 Pct Recovery = 100% Analysis Date = 05/03/01 Pct Recovery = 100% Analysis Date = 05/03/01 Pct Recovery = 100% Analysis Date = 04/27/01 Pct Recovery = 100% Analysis Date = 04/27/01 Pct Recovery = 100% Analysis Date = 04/20/01 Pct Recovery = 100% Analysis Date = 04/20/01 Pct Recovery = 100% Analysis Date = 04/13/01 Pct Recovery = 100% Analysis Date = 04/13/01 Pct Recovery = 100% Analysis Date = 04/07/01 Pct Recovery = 101% Analysis Date = 04/07/01 Pct Recovery = 101% Analysis Date = 03/31/01 Pct Recovery = 101% Analysis Date = 03/31/01 Pct Recovery = 101% Analysis Date = 03/25/01 Pct Recovery = 101% Analysis Date = 03/25/01 Pct Recovery = 101% Analysis Date = 03/18/01 Pct Recovery = 101% Analysis Date = 03/18/01 Pct Recovery = 101% Analysis Date = 03/11/01 Pct Recovery = 101% Analysis Date = 03/11/01 Pct Recovery = 101% Analysis Date = 03/05/01 Pct Recovery = 101% Analysis Date = 03/05/01 Pct Recovery = 101% Analysis Date = 02/26/01 Pct Recovery = 101% Analysis Date = 02/26/01 Pct Recovery = 101% Analysis Date = 02/20/01 Pct Recovery = 102% Analysis Date = 02/20/01 Pct Recovery = 102% Analysis Date = 02/13/01 Pct Recovery = 102% Analysis Date = 02/13/01 Pct Recovery = 102% Analysis Date = 02/07/01 Pct Recovery = 102% Analysis Date = 02/07/01 Pct Recovery = 102% Analysis Date = 01/31/01 Pct Recovery = 102% Analysis Date = 01/31/01 Pct Recovery = 102% Analysis Date = 01/24/01 Pct Recovery = 102% Analysis Date = 01/24/01 Pct Recovery = 102% Analysis Date = 01/18/01 Pct Recovery = 102% Analysis Date = 01/18/01 Pct Recovery = 102% Analysis Date = 01/11/01 Pct Recovery = 102% Analysis Date = 01/11/01 Pct Recovery = 102% Analysis Date = 01/05/01 Pct Recovery = 103% Analysis Date = 01/05/01 Pct Recovery = 103% Analysis Date = 12/29/00 Pct Recovery = 103% Analysis Date = 12/29/00 Pct Recovery = 103% Analysis Date = 12/22/00 Pct Recovery = 103% Analysis Date = 12/22/00 Pct Recovery = 103% Analysis Date = 12/16/00 Pct Recovery = 103% Analysis Date = 12/16/00 Pct Recovery = 103% Analysis Date = 12/09/00 Pct Recovery = 103% Analysis Date = 12/09/00 Pct Recovery = 103% Analysis Date = 12/03/00 Pct Recovery = 103% Analysis Date = 12/03/00 Pct Recovery = 103% Analysis Date = 11/26/00 Pct Recovery = 103% Analysis Date = 11/26/00 Pct Recovery = 103% Analysis Date = 11/19/00 Pct Recovery = 103% Analysis Date = 11/19/00 Pct Recovery = 103% Analysis Date = 11/13/00 Pct Recovery = 104% Analysis Date = 11/13/00 Pct Recovery = 104% Analysis Date = 11/06/00 Pct Recovery = 104% Analysis Date = 11/06/00 Pct Recovery = 104% Analysis Date = 10/31/00 Pct Recovery = 104% Analysis Date = 10/31/00 Pct Recovery = 104% Analysis Date = 10/24/00 Pct Recovery = 104% Analysis Date = 10/24/00 Pct Recovery = 104% Analysis Date = 10/17/00 Pct Recovery = 104% Analysis Date = 10/17/00 Pct Recovery = 104% Analysis Date = 10/11/00 Pct Recovery = 104% Analysis Date = 10/11/00 Pct Recovery = 104% Analysis Date = 10/04/00 Pct Recovery = 104% Analysis Date = 10/04/00 Pct Recovery = 104% Analysis Date = 09/28/00 Pct Recovery = 104% Analysis Date = 09/28/00 Pct Recovery = 104% Analysis Date = 09/21/00 Pct Recovery = 104% Analysis Date = 09/21/00 Pct Recovery = 104% Analysis Date = 09/15/00 Pct Recovery = 104% Analysis Date = 09/15/00 Pct Recovery = 104% Analysis Date = 09/08/00 Pct Recovery = 104% Analysis Date = 09/08/00 Pct Recovery = 104% Analysis Date = 09/01/00 Pct Recovery = 104% Analysis Date = 09/01/00 Pct Recovery = 104% Analysis Date = 08/26/00 Pct Recovery = 104% Analysis Date = 08/26/00 Pct Recovery = 104% Analysis Date = 08/19/00 Pct Recovery = 104% Analysis Date = 08/19/00 Pct Recovery = 104% Analysis Date = 08/13/00 Pct Recovery = 104% Analysis Date = 08/13/00 Pct Recovery = 104% Analysis Date = 08/06/00 Pct Recovery = 104% Analysis Date = 08/06/00 Pct Recovery = 104% Analysis Date = 07/30/00 Pct Recovery = 104% Analysis Date = 07/30/00 Pct Recovery = 104% Analysis Date = 07/24/00 Pct Recovery = 104% Analysis Date = 07/24/00 Pct Recovery = 104% Analysis Date = 07/17/00 Pct Recovery = 104% Analysis Date = 07/17/00 Pct Recovery = 104% Analysis Date = 07/11/00 Pct Recovery = 104% Analysis Date = 07/11/00 Pct Recovery = 104% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 06/27/00 Pct Recovery = 104% Analysis Date = 06/27/00 Pct Recovery = 104% Analysis Date = 06/21/00 Pct Recovery = 104% Analysis Date = 06/21/00 Pct Recovery = 104% Analysis Date = 06/14/00 Pct Recovery = 104% Analysis Date = 06/14/00 Pct Recovery = 104% Analysis Date = 06/08/00 Pct Recovery = 104% Analysis Date = 06/08/00 Pct Recovery = 104% Analysis Date = 06/01/00 Pct Recovery = 104% Analysis Date = 06/01/00 Pct Recovery = 104% Analysis Date = 05/25/00 Pct Recovery = 104% Analysis Date = 05/25/00 Pct Recovery = 104% Analysis Date = 05/19/00 Pct Recovery = 104% Analysis Date = 05/19/00 Pct Recovery = 104% Analysis Date = 05/12/00 Pct Recovery = 104% Analysis Date = 05/12/00 Pct Recovery = 104% Analysis Date = 05/06/00 Pct Recovery = 104% Analysis Date = 05/06/00 Pct Recovery = 104% Analysis Date = 04/29/00 Pct Recovery = 104% Analysis Date = 04/29/00 Pct Recovery = 104% Analysis Date = 04/23/00 Pct Recovery = 104% Analysis Date = 04/23/00 Pct Recovery = 104% Analysis Date = 04/16/00 Pct Recovery = 104% Analysis Date = 04/16/00 Pct Recovery = 104% Analysis Date = 04/09/00 Pct Recovery = 104% Analysis Date = 04/09/00 Pct Recovery = 104% Analysis Date = 04/03/00 Pct Recovery = 104% Analysis Date = 04/03/00 Pct Recovery = 104% Analysis Date = 03/27/00 Pct Recovery = 104% Analysis Date = 03/27/00 Pct Recovery = 104% Analysis Date = 03/21/00 Pct Recovery = 104% Analysis Date = 03/21/00 Pct Recovery = 104% Analysis Date = 03/14/00 Pct Recovery = 104% Analysis Date = 03/14/00 Pct Recovery = 104% Analysis Date = 03/07/00 Pct Recovery = 104% Analysis Date = 03/07/00 Pct Recovery = 104% Analysis Date = 03/01/00 Pct Recovery = 104% Analysis Date = 03/01/00 Pct Recovery = 104% Analysis Date = 02/23/00 Pct Recovery = 104% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,2,3-TRICHLOROBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 17 98% 19% 98% 18%
Total 17 98% 19% 98% 18%

Sample Statistics
1,2,3-TRICHLOROBENZENE

Characteristic N % % Basis
Plotted 17 100% Spiked
Estimated Values 2 12% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 17 .  
False Negatives 0 0% 0 out of 17
Not Spiked 19 .  
False Positives 0 0% 0 out of 19

BQS OBSP Determination:
1,2,3-TRICHLOROPROPANE
METHOD: 4054 , TESTIDCODE: 77443GCM66
Open Data Set

Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 101% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 94% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 103% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 107% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 98% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 84% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 92% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 94% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 96% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 96% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 93% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 102% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 89% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 96% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 100% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 86% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 83% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 93% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 98% Analysis Date = 08/24/01 Pct Recovery = 106% Analysis Date = 08/22/01 Pct Recovery = 106% Analysis Date = 08/22/01 Pct Recovery = 106% Analysis Date = 08/19/01 Pct Recovery = 106% Analysis Date = 08/19/01 Pct Recovery = 106% Analysis Date = 08/16/01 Pct Recovery = 106% Analysis Date = 08/16/01 Pct Recovery = 106% Analysis Date = 08/13/01 Pct Recovery = 105% Analysis Date = 08/13/01 Pct Recovery = 105% Analysis Date = 08/10/01 Pct Recovery = 105% Analysis Date = 08/10/01 Pct Recovery = 105% Analysis Date = 08/07/01 Pct Recovery = 105% Analysis Date = 08/07/01 Pct Recovery = 105% Analysis Date = 08/04/01 Pct Recovery = 105% Analysis Date = 08/04/01 Pct Recovery = 105% Analysis Date = 08/01/01 Pct Recovery = 105% Analysis Date = 08/01/01 Pct Recovery = 105% Analysis Date = 07/29/01 Pct Recovery = 105% Analysis Date = 07/29/01 Pct Recovery = 105% Analysis Date = 07/26/01 Pct Recovery = 105% Analysis Date = 07/26/01 Pct Recovery = 105% Analysis Date = 07/23/01 Pct Recovery = 105% Analysis Date = 07/23/01 Pct Recovery = 105% Analysis Date = 07/20/01 Pct Recovery = 104% Analysis Date = 07/20/01 Pct Recovery = 104% Analysis Date = 07/17/01 Pct Recovery = 104% Analysis Date = 07/17/01 Pct Recovery = 104% Analysis Date = 07/14/01 Pct Recovery = 104% Analysis Date = 07/14/01 Pct Recovery = 104% Analysis Date = 07/11/01 Pct Recovery = 104% Analysis Date = 07/11/01 Pct Recovery = 104% Analysis Date = 07/08/01 Pct Recovery = 104% Analysis Date = 07/08/01 Pct Recovery = 104% Analysis Date = 07/05/01 Pct Recovery = 104% Analysis Date = 07/05/01 Pct Recovery = 104% Analysis Date = 07/02/01 Pct Recovery = 104% Analysis Date = 07/02/01 Pct Recovery = 104% Analysis Date = 06/29/01 Pct Recovery = 104% Analysis Date = 06/29/01 Pct Recovery = 104% Analysis Date = 06/26/01 Pct Recovery = 103% Analysis Date = 06/26/01 Pct Recovery = 103% Analysis Date = 06/23/01 Pct Recovery = 103% Analysis Date = 06/23/01 Pct Recovery = 103% Analysis Date = 06/20/01 Pct Recovery = 103% Analysis Date = 06/20/01 Pct Recovery = 103% Analysis Date = 06/17/01 Pct Recovery = 103% Analysis Date = 06/17/01 Pct Recovery = 103% Analysis Date = 06/15/01 Pct Recovery = 103% Analysis Date = 06/15/01 Pct Recovery = 103% Analysis Date = 06/12/01 Pct Recovery = 103% Analysis Date = 06/12/01 Pct Recovery = 103% Analysis Date = 06/09/01 Pct Recovery = 103% Analysis Date = 06/09/01 Pct Recovery = 103% Analysis Date = 06/06/01 Pct Recovery = 103% Analysis Date = 06/06/01 Pct Recovery = 103% Analysis Date = 06/03/01 Pct Recovery = 102% Analysis Date = 06/03/01 Pct Recovery = 102% Analysis Date = 05/31/01 Pct Recovery = 102% Analysis Date = 05/31/01 Pct Recovery = 102% Analysis Date = 05/28/01 Pct Recovery = 102% Analysis Date = 05/28/01 Pct Recovery = 102% Analysis Date = 05/25/01 Pct Recovery = 102% Analysis Date = 05/25/01 Pct Recovery = 102% Analysis Date = 05/22/01 Pct Recovery = 102% Analysis Date = 05/22/01 Pct Recovery = 102% Analysis Date = 05/19/01 Pct Recovery = 102% Analysis Date = 05/19/01 Pct Recovery = 102% Analysis Date = 05/16/01 Pct Recovery = 102% Analysis Date = 05/16/01 Pct Recovery = 102% Analysis Date = 05/13/01 Pct Recovery = 102% Analysis Date = 05/13/01 Pct Recovery = 102% Analysis Date = 05/10/01 Pct Recovery = 101% Analysis Date = 05/10/01 Pct Recovery = 101% Analysis Date = 05/07/01 Pct Recovery = 101% Analysis Date = 05/07/01 Pct Recovery = 101% Analysis Date = 05/04/01 Pct Recovery = 101% Analysis Date = 05/04/01 Pct Recovery = 101% Analysis Date = 05/01/01 Pct Recovery = 101% Analysis Date = 05/01/01 Pct Recovery = 101% Analysis Date = 04/28/01 Pct Recovery = 101% Analysis Date = 04/28/01 Pct Recovery = 101% Analysis Date = 04/25/01 Pct Recovery = 101% Analysis Date = 04/25/01 Pct Recovery = 101% Analysis Date = 04/22/01 Pct Recovery = 101% Analysis Date = 04/22/01 Pct Recovery = 101% Analysis Date = 04/19/01 Pct Recovery = 101% Analysis Date = 04/19/01 Pct Recovery = 101% Analysis Date = 04/16/01 Pct Recovery = 100% Analysis Date = 04/16/01 Pct Recovery = 100% Analysis Date = 04/13/01 Pct Recovery = 100% Analysis Date = 04/13/01 Pct Recovery = 100% Analysis Date = 04/10/01 Pct Recovery = 100% Analysis Date = 04/10/01 Pct Recovery = 100% Analysis Date = 04/08/01 Pct Recovery = 100% Analysis Date = 04/08/01 Pct Recovery = 100% Analysis Date = 04/05/01 Pct Recovery = 100% Analysis Date = 04/05/01 Pct Recovery = 100% Analysis Date = 04/02/01 Pct Recovery = 100% Analysis Date = 04/02/01 Pct Recovery = 100% Analysis Date = 03/30/01 Pct Recovery = 100% Analysis Date = 03/30/01 Pct Recovery = 100% Analysis Date = 03/27/01 Pct Recovery = 100% Analysis Date = 03/27/01 Pct Recovery = 100% Analysis Date = 03/24/01 Pct Recovery = 99% Analysis Date = 03/24/01 Pct Recovery = 99% Analysis Date = 03/21/01 Pct Recovery = 99% Analysis Date = 03/21/01 Pct Recovery = 99% Analysis Date = 03/18/01 Pct Recovery = 99% Analysis Date = 03/18/01 Pct Recovery = 99% Analysis Date = 03/15/01 Pct Recovery = 99% Analysis Date = 03/15/01 Pct Recovery = 99% Analysis Date = 03/12/01 Pct Recovery = 99% Analysis Date = 03/12/01 Pct Recovery = 99% Analysis Date = 03/09/01 Pct Recovery = 99% Analysis Date = 03/09/01 Pct Recovery = 99% Analysis Date = 03/06/01 Pct Recovery = 99% Analysis Date = 03/06/01 Pct Recovery = 99% Analysis Date = 03/03/01 Pct Recovery = 98% Analysis Date = 03/03/01 Pct Recovery = 98% Analysis Date = 02/28/01 Pct Recovery = 98% Analysis Date = 02/28/01 Pct Recovery = 98% Analysis Date = 02/25/01 Pct Recovery = 98% Analysis Date = 02/25/01 Pct Recovery = 98% Analysis Date = 02/22/01 Pct Recovery = 98% Analysis Date = 02/22/01 Pct Recovery = 98% Analysis Date = 02/19/01 Pct Recovery = 98% Analysis Date = 02/19/01 Pct Recovery = 98% Analysis Date = 02/16/01 Pct Recovery = 98% Analysis Date = 02/16/01 Pct Recovery = 98% Analysis Date = 02/13/01 Pct Recovery = 98% Analysis Date = 02/13/01 Pct Recovery = 98% Analysis Date = 02/10/01 Pct Recovery = 97% Analysis Date = 02/10/01 Pct Recovery = 97% Analysis Date = 02/07/01 Pct Recovery = 97% Analysis Date = 02/07/01 Pct Recovery = 97% Analysis Date = 02/04/01 Pct Recovery = 97% Analysis Date = 02/04/01 Pct Recovery = 97% Analysis Date = 02/01/01 Pct Recovery = 97% Analysis Date = 02/01/01 Pct Recovery = 97% Analysis Date = 01/30/01 Pct Recovery = 97% Analysis Date = 01/30/01 Pct Recovery = 97% Analysis Date = 01/27/01 Pct Recovery = 97% Analysis Date = 01/27/01 Pct Recovery = 97% Analysis Date = 01/24/01 Pct Recovery = 97% Analysis Date = 01/24/01 Pct Recovery = 97% Analysis Date = 01/21/01 Pct Recovery = 97% Analysis Date = 01/21/01 Pct Recovery = 97% Analysis Date = 01/18/01 Pct Recovery = 96% Analysis Date = 01/18/01 Pct Recovery = 96% Analysis Date = 01/15/01 Pct Recovery = 96% Analysis Date = 01/15/01 Pct Recovery = 96% Analysis Date = 01/12/01 Pct Recovery = 96% Analysis Date = 01/12/01 Pct Recovery = 96% Analysis Date = 01/09/01 Pct Recovery = 96% Analysis Date = 01/09/01 Pct Recovery = 96% Analysis Date = 01/06/01 Pct Recovery = 96% Analysis Date = 01/06/01 Pct Recovery = 96% Analysis Date = 01/03/01 Pct Recovery = 96% Analysis Date = 01/03/01 Pct Recovery = 96% Analysis Date = 12/31/00 Pct Recovery = 96% Analysis Date = 12/31/00 Pct Recovery = 96% Analysis Date = 12/28/00 Pct Recovery = 95% Analysis Date = 12/28/00 Pct Recovery = 95% Analysis Date = 12/25/00 Pct Recovery = 95% Analysis Date = 12/25/00 Pct Recovery = 95% Analysis Date = 12/22/00 Pct Recovery = 95% Analysis Date = 12/22/00 Pct Recovery = 95% Analysis Date = 12/19/00 Pct Recovery = 95% Analysis Date = 12/19/00 Pct Recovery = 95% Analysis Date = 12/16/00 Pct Recovery = 95% Analysis Date = 12/16/00 Pct Recovery = 95% Analysis Date = 12/13/00 Pct Recovery = 95% Analysis Date = 12/13/00 Pct Recovery = 95% Analysis Date = 12/10/00 Pct Recovery = 95% Analysis Date = 12/10/00 Pct Recovery = 95% Analysis Date = 12/07/00 Pct Recovery = 94% Analysis Date = 12/07/00 Pct Recovery = 94% Analysis Date = 12/04/00 Pct Recovery = 94% Analysis Date = 12/04/00 Pct Recovery = 94% Analysis Date = 12/01/00 Pct Recovery = 94% Analysis Date = 12/01/00 Pct Recovery = 94% Analysis Date = 11/28/00 Pct Recovery = 94% Analysis Date = 11/28/00 Pct Recovery = 94% Analysis Date = 11/25/00 Pct Recovery = 94% Analysis Date = 11/25/00 Pct Recovery = 94% Analysis Date = 11/23/00 Pct Recovery = 94% Analysis Date = 11/23/00 Pct Recovery = 94% Analysis Date = 11/20/00 Pct Recovery = 94% Analysis Date = 11/20/00 Pct Recovery = 94% Analysis Date = 11/17/00 Pct Recovery = 93% Analysis Date = 11/17/00 Pct Recovery = 93% Analysis Date = 11/14/00 Pct Recovery = 93% Analysis Date = 11/14/00 Pct Recovery = 93% Analysis Date = 11/11/00 Pct Recovery = 93% Analysis Date = 11/11/00 Pct Recovery = 93% Analysis Date = 11/08/00 Pct Recovery = 93% Analysis Date = 11/08/00 Pct Recovery = 93% Analysis Date = 11/05/00 Pct Recovery = 93% Analysis Date = 11/05/00 Pct Recovery = 93% Analysis Date = 11/02/00 Pct Recovery = 93% Analysis Date = 11/02/00 Pct Recovery = 93% Analysis Date = 10/30/00 Pct Recovery = 93% Analysis Date = 10/30/00 Pct Recovery = 93% Analysis Date = 10/27/00 Pct Recovery = 93% Analysis Date = 10/27/00 Pct Recovery = 93% Analysis Date = 10/24/00 Pct Recovery = 92% Analysis Date = 10/24/00 Pct Recovery = 92% Analysis Date = 10/21/00 Pct Recovery = 92% Analysis Date = 10/21/00 Pct Recovery = 92% Analysis Date = 10/18/00 Pct Recovery = 92% Analysis Date = 10/18/00 Pct Recovery = 92% Analysis Date = 10/15/00 Pct Recovery = 92% Analysis Date = 10/15/00 Pct Recovery = 92% Analysis Date = 10/12/00 Pct Recovery = 92% Analysis Date = 10/12/00 Pct Recovery = 92% Analysis Date = 10/09/00 Pct Recovery = 92% Analysis Date = 10/09/00 Pct Recovery = 92% Analysis Date = 10/06/00 Pct Recovery = 92% Analysis Date = 10/06/00 Pct Recovery = 92% Analysis Date = 10/03/00 Pct Recovery = 92% Analysis Date = 10/03/00 Pct Recovery = 92% Analysis Date = 09/30/00 Pct Recovery = 92% Analysis Date = 09/30/00 Pct Recovery = 92% Analysis Date = 09/27/00 Pct Recovery = 92% Analysis Date = 09/27/00 Pct Recovery = 92% Analysis Date = 09/24/00 Pct Recovery = 92% Analysis Date = 09/24/00 Pct Recovery = 92% Analysis Date = 09/21/00 Pct Recovery = 92% Analysis Date = 09/21/00 Pct Recovery = 92% Analysis Date = 09/18/00 Pct Recovery = 92% Analysis Date = 09/18/00 Pct Recovery = 92% Analysis Date = 09/15/00 Pct Recovery = 92% Analysis Date = 09/15/00 Pct Recovery = 92% Analysis Date = 09/13/00 Pct Recovery = 92% Analysis Date = 09/13/00 Pct Recovery = 92% Analysis Date = 09/10/00 Pct Recovery = 92% Analysis Date = 09/10/00 Pct Recovery = 92% Analysis Date = 09/07/00 Pct Recovery = 92% Analysis Date = 09/07/00 Pct Recovery = 92% Analysis Date = 09/04/00 Pct Recovery = 92% Analysis Date = 09/04/00 Pct Recovery = 92% Analysis Date = 09/01/00 Pct Recovery = 92% Analysis Date = 09/01/00 Pct Recovery = 92% Analysis Date = 08/29/00 Pct Recovery = 92% Analysis Date = 08/29/00 Pct Recovery = 92% Analysis Date = 08/26/00 Pct Recovery = 92% Analysis Date = 08/26/00 Pct Recovery = 92% Analysis Date = 08/23/00 Pct Recovery = 92% Analysis Date = 08/23/00 Pct Recovery = 92% Analysis Date = 08/20/00 Pct Recovery = 92% Analysis Date = 08/20/00 Pct Recovery = 92% Analysis Date = 08/17/00 Pct Recovery = 92% Analysis Date = 08/17/00 Pct Recovery = 92% Analysis Date = 08/14/00 Pct Recovery = 92% Analysis Date = 08/14/00 Pct Recovery = 92% Analysis Date = 08/11/00 Pct Recovery = 92% Analysis Date = 08/11/00 Pct Recovery = 92% Analysis Date = 08/08/00 Pct Recovery = 92% Analysis Date = 08/08/00 Pct Recovery = 92% Analysis Date = 08/05/00 Pct Recovery = 92% Analysis Date = 08/05/00 Pct Recovery = 92% Analysis Date = 08/02/00 Pct Recovery = 92% Analysis Date = 08/02/00 Pct Recovery = 92% Analysis Date = 07/30/00 Pct Recovery = 92% Analysis Date = 07/30/00 Pct Recovery = 92% Analysis Date = 07/27/00 Pct Recovery = 92% Analysis Date = 07/27/00 Pct Recovery = 92% Analysis Date = 07/24/00 Pct Recovery = 92% Analysis Date = 07/24/00 Pct Recovery = 92% Analysis Date = 07/21/00 Pct Recovery = 92% Analysis Date = 07/21/00 Pct Recovery = 92% Analysis Date = 07/18/00 Pct Recovery = 92% Analysis Date = 07/18/00 Pct Recovery = 92% Analysis Date = 07/15/00 Pct Recovery = 93% Analysis Date = 07/15/00 Pct Recovery = 93% Analysis Date = 07/12/00 Pct Recovery = 93% Analysis Date = 07/12/00 Pct Recovery = 93% Analysis Date = 07/09/00 Pct Recovery = 93% Analysis Date = 07/09/00 Pct Recovery = 93% Analysis Date = 07/07/00 Pct Recovery = 93% Analysis Date = 07/07/00 Pct Recovery = 93% Analysis Date = 07/04/00 Pct Recovery = 94% Analysis Date = 07/04/00 Pct Recovery = 94% Analysis Date = 07/01/00 Pct Recovery = 94% Analysis Date = 07/01/00 Pct Recovery = 94% Analysis Date = 06/28/00 Pct Recovery = 94% Analysis Date = 06/28/00 Pct Recovery = 94% Analysis Date = 06/25/00 Pct Recovery = 94% Analysis Date = 06/25/00 Pct Recovery = 94% Analysis Date = 06/22/00 Pct Recovery = 94% Analysis Date = 06/22/00 Pct Recovery = 94% Analysis Date = 06/19/00 Pct Recovery = 95% Analysis Date = 06/19/00 Pct Recovery = 95% Analysis Date = 06/16/00 Pct Recovery = 95% Analysis Date = 06/16/00 Pct Recovery = 95% Analysis Date = 06/13/00 Pct Recovery = 95% Analysis Date = 06/13/00 Pct Recovery = 95% Analysis Date = 06/10/00 Pct Recovery = 95% Analysis Date = 06/10/00 Pct Recovery = 95% Analysis Date = 06/07/00 Pct Recovery = 95% Analysis Date = 06/07/00 Pct Recovery = 95% Analysis Date = 06/04/00 Pct Recovery = 96% Analysis Date = 06/04/00 Pct Recovery = 96% Analysis Date = 06/01/00 Pct Recovery = 96% Analysis Date = 06/01/00 Pct Recovery = 96% Analysis Date = 05/29/00 Pct Recovery = 96% Analysis Date = 05/29/00 Pct Recovery = 96% Analysis Date = 05/26/00 Pct Recovery = 96% Analysis Date = 05/26/00 Pct Recovery = 96% Analysis Date = 05/23/00 Pct Recovery = 96% Analysis Date = 05/23/00 Pct Recovery = 96% Analysis Date = 05/20/00 Pct Recovery = 97% Analysis Date = 05/20/00 Pct Recovery = 97% Analysis Date = 05/17/00 Pct Recovery = 97% Analysis Date = 05/17/00 Pct Recovery = 97% Analysis Date = 05/14/00 Pct Recovery = 97% Analysis Date = 05/14/00 Pct Recovery = 97% Analysis Date = 05/11/00 Pct Recovery = 97% Analysis Date = 05/11/00 Pct Recovery = 97% Analysis Date = 05/08/00 Pct Recovery = 97% Analysis Date = 05/08/00 Pct Recovery = 97% Analysis Date = 05/05/00 Pct Recovery = 98% Analysis Date = 05/05/00 Pct Recovery = 98% Analysis Date = 05/02/00 Pct Recovery = 98% Analysis Date = 05/02/00 Pct Recovery = 98% Analysis Date = 04/30/00 Pct Recovery = 98% Analysis Date = 04/30/00 Pct Recovery = 98% Analysis Date = 04/27/00 Pct Recovery = 98% Analysis Date = 04/27/00 Pct Recovery = 98% Analysis Date = 04/24/00 Pct Recovery = 98% Analysis Date = 04/24/00 Pct Recovery = 98% Analysis Date = 04/21/00 Pct Recovery = 97% Analysis Date = 04/21/00 Pct Recovery = 97% Analysis Date = 04/18/00 Pct Recovery = 97% Analysis Date = 04/18/00 Pct Recovery = 97% Analysis Date = 04/15/00 Pct Recovery = 97% Analysis Date = 04/15/00 Pct Recovery = 97% Analysis Date = 04/12/00 Pct Recovery = 96% Analysis Date = 04/12/00 Pct Recovery = 96% Analysis Date = 04/09/00 Pct Recovery = 96% Analysis Date = 04/09/00 Pct Recovery = 96% Analysis Date = 04/06/00 Pct Recovery = 96% Analysis Date = 04/06/00 Pct Recovery = 96% Analysis Date = 04/03/00 Pct Recovery = 95% Analysis Date = 04/03/00 Pct Recovery = 95% Analysis Date = 03/31/00 Pct Recovery = 95% Analysis Date = 03/31/00 Pct Recovery = 95% Analysis Date = 03/28/00 Pct Recovery = 95% Analysis Date = 03/28/00 Pct Recovery = 95% Analysis Date = 03/25/00 Pct Recovery = 94% Analysis Date = 03/25/00 Pct Recovery = 94% Analysis Date = 03/22/00 Pct Recovery = 94% Analysis Date = 03/22/00 Pct Recovery = 94% Analysis Date = 03/19/00 Pct Recovery = 94% Analysis Date = 03/19/00 Pct Recovery = 94% Analysis Date = 03/16/00 Pct Recovery = 94% Analysis Date = 03/16/00 Pct Recovery = 94% Analysis Date = 03/13/00 Pct Recovery = 94% Analysis Date = 03/13/00 Pct Recovery = 94% Analysis Date = 03/10/00 Pct Recovery = 94% Analysis Date = 03/10/00 Pct Recovery = 94% Analysis Date = 03/07/00 Pct Recovery = 94% Analysis Date = 03/07/00 Pct Recovery = 94% Analysis Date = 03/04/00 Pct Recovery = 93% Analysis Date = 03/04/00 Pct Recovery = 93% Analysis Date = 03/01/00 Pct Recovery = 93% Analysis Date = 03/01/00 Pct Recovery = 93% Analysis Date = 02/27/00 Pct Recovery = 93% Analysis Date = 02/27/00 Pct Recovery = 93% Analysis Date = 02/24/00 Pct Recovery = 93% Analysis Date = 02/24/00 Pct Recovery = 93% Analysis Date = 02/22/00 Pct Recovery = 93% Analysis Date = 02/22/00 Pct Recovery = 93% Analysis Date = 02/19/00 Pct Recovery = 93% Analysis Date = 02/19/00 Pct Recovery = 93% Analysis Date = 02/16/00 Pct Recovery = 93% Analysis Date = 02/16/00 Pct Recovery = 93% Analysis Date = 02/13/00 Pct Recovery = 93% Analysis Date = 02/13/00 Pct Recovery = 93% Analysis Date = 02/10/00 Pct Recovery = 92% Analysis Date = 02/10/00 Pct Recovery = 92% Analysis Date = 02/07/00 Pct Recovery = 92% Analysis Date = 02/07/00 Pct Recovery = 92% Analysis Date = 02/04/00 Pct Recovery = 92% Analysis Date = 02/04/00 Pct Recovery = 92% Analysis Date = 02/01/00 Pct Recovery = 92% Analysis Date = 02/01/00 Pct Recovery = 92% Analysis Date = 01/29/00 Pct Recovery = 92% Analysis Date = 01/29/00 Pct Recovery = 92% Analysis Date = 01/26/00 Pct Recovery = 92% Analysis Date = 01/26/00 Pct Recovery = 92% Analysis Date = 01/23/00 Pct Recovery = 92% Analysis Date = 01/23/00 Pct Recovery = 92% Analysis Date = 01/20/00 Pct Recovery = 92% Analysis Date = 01/20/00 Pct Recovery = 92% Analysis Date = 01/17/00 Pct Recovery = 92% Analysis Date = 01/17/00 Pct Recovery = 92% Analysis Date = 01/14/00 Pct Recovery = 92% Analysis Date = 01/14/00 Pct Recovery = 92% Analysis Date = 01/11/00 Pct Recovery = 91% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,2,3-TRICHLOROPROPANE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 1 98% . 98% 0%
>= Reporting Level 18 95% 7% 95% 6%
Total 19 95% 6% 96% 6%

Sample Statistics
1,2,3-TRICHLOROPROPANE

Characteristic N % % Basis
Plotted 19 90% Spiked
Estimated Values 1 5% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 2 10% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
1,2,3-TRIMETHYLBENZENE
METHOD: 4054 , TESTIDCODE: 77221GCM66
Open Data Set

Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 90% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 100% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 97% Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 116% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 119% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 102% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 91% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 109% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 100% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 107% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 107% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 119% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 105% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 108% Analysis Date = 10/03/03 Pct Recovery = 96% Analysis Date = 09/28/03 Pct Recovery = 96% Analysis Date = 09/28/03 Pct Recovery = 96% Analysis Date = 09/22/03 Pct Recovery = 97% Analysis Date = 09/22/03 Pct Recovery = 97% Analysis Date = 09/16/03 Pct Recovery = 98% Analysis Date = 09/16/03 Pct Recovery = 98% Analysis Date = 09/11/03 Pct Recovery = 98% Analysis Date = 09/11/03 Pct Recovery = 98% Analysis Date = 09/05/03 Pct Recovery = 99% Analysis Date = 09/05/03 Pct Recovery = 99% Analysis Date = 08/30/03 Pct Recovery = 100% Analysis Date = 08/30/03 Pct Recovery = 100% Analysis Date = 08/24/03 Pct Recovery = 100% Analysis Date = 08/24/03 Pct Recovery = 100% Analysis Date = 08/19/03 Pct Recovery = 101% Analysis Date = 08/19/03 Pct Recovery = 101% Analysis Date = 08/13/03 Pct Recovery = 101% Analysis Date = 08/13/03 Pct Recovery = 101% Analysis Date = 08/07/03 Pct Recovery = 102% Analysis Date = 08/07/03 Pct Recovery = 102% Analysis Date = 08/02/03 Pct Recovery = 103% Analysis Date = 08/02/03 Pct Recovery = 103% Analysis Date = 07/27/03 Pct Recovery = 103% Analysis Date = 07/27/03 Pct Recovery = 103% Analysis Date = 07/21/03 Pct Recovery = 104% Analysis Date = 07/21/03 Pct Recovery = 104% Analysis Date = 07/15/03 Pct Recovery = 104% Analysis Date = 07/15/03 Pct Recovery = 104% Analysis Date = 07/10/03 Pct Recovery = 105% Analysis Date = 07/10/03 Pct Recovery = 105% Analysis Date = 07/04/03 Pct Recovery = 105% Analysis Date = 07/04/03 Pct Recovery = 105% Analysis Date = 06/28/03 Pct Recovery = 106% Analysis Date = 06/28/03 Pct Recovery = 106% Analysis Date = 06/23/03 Pct Recovery = 106% Analysis Date = 06/23/03 Pct Recovery = 106% Analysis Date = 06/17/03 Pct Recovery = 107% Analysis Date = 06/17/03 Pct Recovery = 107% Analysis Date = 06/11/03 Pct Recovery = 107% Analysis Date = 06/11/03 Pct Recovery = 107% Analysis Date = 06/05/03 Pct Recovery = 108% Analysis Date = 06/05/03 Pct Recovery = 108% Analysis Date = 05/31/03 Pct Recovery = 108% Analysis Date = 05/31/03 Pct Recovery = 108% Analysis Date = 05/25/03 Pct Recovery = 108% Analysis Date = 05/25/03 Pct Recovery = 108% Analysis Date = 05/19/03 Pct Recovery = 109% Analysis Date = 05/19/03 Pct Recovery = 109% Analysis Date = 05/14/03 Pct Recovery = 109% Analysis Date = 05/14/03 Pct Recovery = 109% Analysis Date = 05/08/03 Pct Recovery = 109% Analysis Date = 05/08/03 Pct Recovery = 109% Analysis Date = 05/02/03 Pct Recovery = 109% Analysis Date = 05/02/03 Pct Recovery = 109% Analysis Date = 04/26/03 Pct Recovery = 109% Analysis Date = 04/26/03 Pct Recovery = 109% Analysis Date = 04/21/03 Pct Recovery = 108% Analysis Date = 04/21/03 Pct Recovery = 108% Analysis Date = 04/15/03 Pct Recovery = 108% Analysis Date = 04/15/03 Pct Recovery = 108% Analysis Date = 04/09/03 Pct Recovery = 108% Analysis Date = 04/09/03 Pct Recovery = 108% Analysis Date = 04/04/03 Pct Recovery = 108% Analysis Date = 04/04/03 Pct Recovery = 108% Analysis Date = 03/29/03 Pct Recovery = 107% Analysis Date = 03/29/03 Pct Recovery = 107% Analysis Date = 03/23/03 Pct Recovery = 107% Analysis Date = 03/23/03 Pct Recovery = 107% Analysis Date = 03/17/03 Pct Recovery = 107% Analysis Date = 03/17/03 Pct Recovery = 107% Analysis Date = 03/12/03 Pct Recovery = 107% Analysis Date = 03/12/03 Pct Recovery = 107% Analysis Date = 03/06/03 Pct Recovery = 106% Analysis Date = 03/06/03 Pct Recovery = 106% Analysis Date = 02/28/03 Pct Recovery = 106% Analysis Date = 02/28/03 Pct Recovery = 106% Analysis Date = 02/22/03 Pct Recovery = 106% Analysis Date = 02/22/03 Pct Recovery = 106% Analysis Date = 02/17/03 Pct Recovery = 106% Analysis Date = 02/17/03 Pct Recovery = 106% Analysis Date = 02/11/03 Pct Recovery = 106% Analysis Date = 02/11/03 Pct Recovery = 106% Analysis Date = 02/05/03 Pct Recovery = 105% Analysis Date = 02/05/03 Pct Recovery = 105% Analysis Date = 01/31/03 Pct Recovery = 105% Analysis Date = 01/31/03 Pct Recovery = 105% Analysis Date = 01/25/03 Pct Recovery = 105% Analysis Date = 01/25/03 Pct Recovery = 105% Analysis Date = 01/19/03 Pct Recovery = 105% Analysis Date = 01/19/03 Pct Recovery = 105% Analysis Date = 01/13/03 Pct Recovery = 104% Analysis Date = 01/13/03 Pct Recovery = 104% Analysis Date = 01/08/03 Pct Recovery = 104% Analysis Date = 01/08/03 Pct Recovery = 104% Analysis Date = 01/02/03 Pct Recovery = 104% Analysis Date = 01/02/03 Pct Recovery = 104% Analysis Date = 12/27/02 Pct Recovery = 104% Analysis Date = 12/27/02 Pct Recovery = 104% Analysis Date = 12/22/02 Pct Recovery = 103% Analysis Date = 12/22/02 Pct Recovery = 103% Analysis Date = 12/16/02 Pct Recovery = 103% Analysis Date = 12/16/02 Pct Recovery = 103% Analysis Date = 12/10/02 Pct Recovery = 103% Analysis Date = 12/10/02 Pct Recovery = 103% Analysis Date = 12/04/02 Pct Recovery = 103% Analysis Date = 12/04/02 Pct Recovery = 103% Analysis Date = 11/29/02 Pct Recovery = 102% Analysis Date = 11/29/02 Pct Recovery = 102% Analysis Date = 11/23/02 Pct Recovery = 102% Analysis Date = 11/23/02 Pct Recovery = 102% Analysis Date = 11/17/02 Pct Recovery = 102% Analysis Date = 11/17/02 Pct Recovery = 102% Analysis Date = 11/12/02 Pct Recovery = 102% Analysis Date = 11/12/02 Pct Recovery = 102% Analysis Date = 11/06/02 Pct Recovery = 102% Analysis Date = 11/06/02 Pct Recovery = 102% Analysis Date = 10/31/02 Pct Recovery = 101% Analysis Date = 10/31/02 Pct Recovery = 101% Analysis Date = 10/25/02 Pct Recovery = 101% Analysis Date = 10/25/02 Pct Recovery = 101% Analysis Date = 10/20/02 Pct Recovery = 101% Analysis Date = 10/20/02 Pct Recovery = 101% Analysis Date = 10/14/02 Pct Recovery = 101% Analysis Date = 10/14/02 Pct Recovery = 101% Analysis Date = 10/08/02 Pct Recovery = 100% Analysis Date = 10/08/02 Pct Recovery = 100% Analysis Date = 10/03/02 Pct Recovery = 100% Analysis Date = 10/03/02 Pct Recovery = 100% Analysis Date = 09/27/02 Pct Recovery = 100% Analysis Date = 09/27/02 Pct Recovery = 100% Analysis Date = 09/21/02 Pct Recovery = 100% Analysis Date = 09/21/02 Pct Recovery = 100% Analysis Date = 09/15/02 Pct Recovery = 99% Analysis Date = 09/15/02 Pct Recovery = 99% Analysis Date = 09/10/02 Pct Recovery = 99% Analysis Date = 09/10/02 Pct Recovery = 99% Analysis Date = 09/04/02 Pct Recovery = 99% Analysis Date = 09/04/02 Pct Recovery = 99% Analysis Date = 08/29/02 Pct Recovery = 99% Analysis Date = 08/29/02 Pct Recovery = 99% Analysis Date = 08/24/02 Pct Recovery = 98% Analysis Date = 08/24/02 Pct Recovery = 98% Analysis Date = 08/18/02 Pct Recovery = 98% Analysis Date = 08/18/02 Pct Recovery = 98% Analysis Date = 08/12/02 Pct Recovery = 98% Analysis Date = 08/12/02 Pct Recovery = 98% Analysis Date = 08/06/02 Pct Recovery = 98% Analysis Date = 08/06/02 Pct Recovery = 98% Analysis Date = 08/01/02 Pct Recovery = 98% Analysis Date = 08/01/02 Pct Recovery = 98% Analysis Date = 07/26/02 Pct Recovery = 98% Analysis Date = 07/26/02 Pct Recovery = 98% Analysis Date = 07/20/02 Pct Recovery = 99% Analysis Date = 07/20/02 Pct Recovery = 99% Analysis Date = 07/14/02 Pct Recovery = 99% Analysis Date = 07/14/02 Pct Recovery = 99% Analysis Date = 07/09/02 Pct Recovery = 100% Analysis Date = 07/09/02 Pct Recovery = 100% Analysis Date = 07/03/02 Pct Recovery = 100% Analysis Date = 07/03/02 Pct Recovery = 100% Analysis Date = 06/27/02 Pct Recovery = 100% Analysis Date = 06/27/02 Pct Recovery = 100% Analysis Date = 06/22/02 Pct Recovery = 101% Analysis Date = 06/22/02 Pct Recovery = 101% Analysis Date = 06/16/02 Pct Recovery = 101% Analysis Date = 06/16/02 Pct Recovery = 101% Analysis Date = 06/10/02 Pct Recovery = 101% Analysis Date = 06/10/02 Pct Recovery = 101% Analysis Date = 06/04/02 Pct Recovery = 102% Analysis Date = 06/04/02 Pct Recovery = 102% Analysis Date = 05/30/02 Pct Recovery = 102% Analysis Date = 05/30/02 Pct Recovery = 102% Analysis Date = 05/24/02 Pct Recovery = 103% Analysis Date = 05/24/02 Pct Recovery = 103% Analysis Date = 05/18/02 Pct Recovery = 103% Analysis Date = 05/18/02 Pct Recovery = 103% Analysis Date = 05/13/02 Pct Recovery = 104% Analysis Date = 05/13/02 Pct Recovery = 104% Analysis Date = 05/07/02 Pct Recovery = 104% Analysis Date = 05/07/02 Pct Recovery = 104% Analysis Date = 05/01/02 Pct Recovery = 105% Analysis Date = 05/01/02 Pct Recovery = 105% Analysis Date = 04/25/02 Pct Recovery = 105% Analysis Date = 04/25/02 Pct Recovery = 105% Analysis Date = 04/20/02 Pct Recovery = 105% Analysis Date = 04/20/02 Pct Recovery = 105% Analysis Date = 04/14/02 Pct Recovery = 106% Analysis Date = 04/14/02 Pct Recovery = 106% Analysis Date = 04/08/02 Pct Recovery = 106% Analysis Date = 04/08/02 Pct Recovery = 106% Analysis Date = 04/03/02 Pct Recovery = 107% Analysis Date = 04/03/02 Pct Recovery = 107% Analysis Date = 03/28/02 Pct Recovery = 107% Analysis Date = 03/28/02 Pct Recovery = 107% Analysis Date = 03/22/02 Pct Recovery = 108% Analysis Date = 03/22/02 Pct Recovery = 108% Analysis Date = 03/16/02 Pct Recovery = 108% Analysis Date = 03/16/02 Pct Recovery = 108% Analysis Date = 03/11/02 Pct Recovery = 109% Analysis Date = 03/11/02 Pct Recovery = 109% Analysis Date = 03/05/02 Pct Recovery = 109% Analysis Date = 03/05/02 Pct Recovery = 109% Analysis Date = 02/27/02 Pct Recovery = 110% Analysis Date = 02/27/02 Pct Recovery = 110% Analysis Date = 02/22/02 Pct Recovery = 110% Analysis Date = 02/22/02 Pct Recovery = 110% Analysis Date = 02/16/02 Pct Recovery = 110% Analysis Date = 02/16/02 Pct Recovery = 110% Analysis Date = 02/10/02 Pct Recovery = 110% Analysis Date = 02/10/02 Pct Recovery = 110% Analysis Date = 02/04/02 Pct Recovery = 110% Analysis Date = 02/04/02 Pct Recovery = 110% Analysis Date = 01/30/02 Pct Recovery = 110% Analysis Date = 01/30/02 Pct Recovery = 110% Analysis Date = 01/24/02 Pct Recovery = 111% Analysis Date = 01/24/02 Pct Recovery = 111% Analysis Date = 01/18/02 Pct Recovery = 111% Analysis Date = 01/18/02 Pct Recovery = 111% Analysis Date = 01/13/02 Pct Recovery = 111% Analysis Date = 01/13/02 Pct Recovery = 111% Analysis Date = 01/07/02 Pct Recovery = 111% Analysis Date = 01/07/02 Pct Recovery = 111% Analysis Date = 01/01/02 Pct Recovery = 111% Analysis Date = 01/01/02 Pct Recovery = 111% Analysis Date = 12/26/01 Pct Recovery = 111% Analysis Date = 12/26/01 Pct Recovery = 111% Analysis Date = 12/21/01 Pct Recovery = 111% Analysis Date = 12/21/01 Pct Recovery = 111% Analysis Date = 12/15/01 Pct Recovery = 111% Analysis Date = 12/15/01 Pct Recovery = 111% Analysis Date = 12/09/01 Pct Recovery = 111% Analysis Date = 12/09/01 Pct Recovery = 111% Analysis Date = 12/03/01 Pct Recovery = 111% Analysis Date = 12/03/01 Pct Recovery = 111% Analysis Date = 11/28/01 Pct Recovery = 111% Analysis Date = 11/28/01 Pct Recovery = 111% Analysis Date = 11/22/01 Pct Recovery = 110% Analysis Date = 11/22/01 Pct Recovery = 110% Analysis Date = 11/16/01 Pct Recovery = 110% Analysis Date = 11/16/01 Pct Recovery = 110% Analysis Date = 11/11/01 Pct Recovery = 110% Analysis Date = 11/11/01 Pct Recovery = 110% Analysis Date = 11/05/01 Pct Recovery = 110% Analysis Date = 11/05/01 Pct Recovery = 110% Analysis Date = 10/30/01 Pct Recovery = 110% Analysis Date = 10/30/01 Pct Recovery = 110% Analysis Date = 10/24/01 Pct Recovery = 110% Analysis Date = 10/24/01 Pct Recovery = 110% Analysis Date = 10/19/01 Pct Recovery = 110% Analysis Date = 10/19/01 Pct Recovery = 110% Analysis Date = 10/13/01 Pct Recovery = 110% Analysis Date = 10/13/01 Pct Recovery = 110% Analysis Date = 10/07/01 Pct Recovery = 110% Analysis Date = 10/07/01 Pct Recovery = 110% Analysis Date = 10/02/01 Pct Recovery = 110% Analysis Date = 10/02/01 Pct Recovery = 110% Analysis Date = 09/26/01 Pct Recovery = 110% Analysis Date = 09/26/01 Pct Recovery = 110% Analysis Date = 09/20/01 Pct Recovery = 110% Analysis Date = 09/20/01 Pct Recovery = 110% Analysis Date = 09/14/01 Pct Recovery = 110% Analysis Date = 09/14/01 Pct Recovery = 110% Analysis Date = 09/09/01 Pct Recovery = 110% Analysis Date = 09/09/01 Pct Recovery = 110% Analysis Date = 09/03/01 Pct Recovery = 110% Analysis Date = 09/03/01 Pct Recovery = 110% Analysis Date = 08/28/01 Pct Recovery = 110% Analysis Date = 08/28/01 Pct Recovery = 110% Analysis Date = 08/23/01 Pct Recovery = 110% Analysis Date = 08/23/01 Pct Recovery = 110% Analysis Date = 08/17/01 Pct Recovery = 110% Analysis Date = 08/17/01 Pct Recovery = 110% Analysis Date = 08/11/01 Pct Recovery = 110% Analysis Date = 08/11/01 Pct Recovery = 110% Analysis Date = 08/05/01 Pct Recovery = 110% Analysis Date = 08/05/01 Pct Recovery = 110% Analysis Date = 07/31/01 Pct Recovery = 109% Analysis Date = 07/31/01 Pct Recovery = 109% Analysis Date = 07/25/01 Pct Recovery = 109% Analysis Date = 07/25/01 Pct Recovery = 109% Analysis Date = 07/19/01 Pct Recovery = 109% Analysis Date = 07/19/01 Pct Recovery = 109% Analysis Date = 07/14/01 Pct Recovery = 109% Analysis Date = 07/14/01 Pct Recovery = 109% Analysis Date = 07/08/01 Pct Recovery = 109% Analysis Date = 07/08/01 Pct Recovery = 109% Analysis Date = 07/02/01 Pct Recovery = 109% Analysis Date = 07/02/01 Pct Recovery = 109% Analysis Date = 06/26/01 Pct Recovery = 109% Analysis Date = 06/26/01 Pct Recovery = 109% Analysis Date = 06/21/01 Pct Recovery = 109% Analysis Date = 06/21/01 Pct Recovery = 109% Analysis Date = 06/15/01 Pct Recovery = 109% Analysis Date = 06/15/01 Pct Recovery = 109% Analysis Date = 06/09/01 Pct Recovery = 109% Analysis Date = 06/09/01 Pct Recovery = 109% Analysis Date = 06/04/01 Pct Recovery = 109% Analysis Date = 06/04/01 Pct Recovery = 109% Analysis Date = 05/29/01 Pct Recovery = 109% Analysis Date = 05/29/01 Pct Recovery = 109% Analysis Date = 05/23/01 Pct Recovery = 109% Analysis Date = 05/23/01 Pct Recovery = 109% Analysis Date = 05/17/01 Pct Recovery = 109% Analysis Date = 05/17/01 Pct Recovery = 109% Analysis Date = 05/12/01 Pct Recovery = 109% Analysis Date = 05/12/01 Pct Recovery = 109% Analysis Date = 05/06/01 Pct Recovery = 109% Analysis Date = 05/06/01 Pct Recovery = 109% Analysis Date = 04/30/01 Pct Recovery = 109% Analysis Date = 04/30/01 Pct Recovery = 109% Analysis Date = 04/24/01 Pct Recovery = 109% Analysis Date = 04/24/01 Pct Recovery = 109% Analysis Date = 04/19/01 Pct Recovery = 109% Analysis Date = 04/19/01 Pct Recovery = 109% Analysis Date = 04/13/01 Pct Recovery = 109% Analysis Date = 04/13/01 Pct Recovery = 109% Analysis Date = 04/07/01 Pct Recovery = 108% Analysis Date = 04/07/01 Pct Recovery = 108% Analysis Date = 04/02/01 Pct Recovery = 108% Analysis Date = 04/02/01 Pct Recovery = 108% Analysis Date = 03/27/01 Pct Recovery = 108% Analysis Date = 03/27/01 Pct Recovery = 108% Analysis Date = 03/21/01 Pct Recovery = 108% Analysis Date = 03/21/01 Pct Recovery = 108% Analysis Date = 03/15/01 Pct Recovery = 108% Analysis Date = 03/15/01 Pct Recovery = 108% Analysis Date = 03/10/01 Pct Recovery = 108% Analysis Date = 03/10/01 Pct Recovery = 108% Analysis Date = 03/04/01 Pct Recovery = 108% Analysis Date = 03/04/01 Pct Recovery = 108% Analysis Date = 02/26/01 Pct Recovery = 108% Analysis Date = 02/26/01 Pct Recovery = 108% Analysis Date = 02/21/01 Pct Recovery = 108% Analysis Date = 02/21/01 Pct Recovery = 108% Analysis Date = 02/15/01 Pct Recovery = 108% Analysis Date = 02/15/01 Pct Recovery = 108% Analysis Date = 02/09/01 Pct Recovery = 108% Analysis Date = 02/09/01 Pct Recovery = 108% Analysis Date = 02/03/01 Pct Recovery = 108% Analysis Date = 02/03/01 Pct Recovery = 108% Analysis Date = 01/29/01 Pct Recovery = 108% Analysis Date = 01/29/01 Pct Recovery = 108% Analysis Date = 01/23/01 Pct Recovery = 108% Analysis Date = 01/23/01 Pct Recovery = 108% Analysis Date = 01/17/01 Pct Recovery = 108% Analysis Date = 01/17/01 Pct Recovery = 108% Analysis Date = 01/12/01 Pct Recovery = 108% Analysis Date = 01/12/01 Pct Recovery = 108% Analysis Date = 01/06/01 Pct Recovery = 108% Analysis Date = 01/06/01 Pct Recovery = 108% Analysis Date = 12/31/00 Pct Recovery = 108% Analysis Date = 12/31/00 Pct Recovery = 108% Analysis Date = 12/25/00 Pct Recovery = 108% Analysis Date = 12/25/00 Pct Recovery = 108% Analysis Date = 12/20/00 Pct Recovery = 108% Analysis Date = 12/20/00 Pct Recovery = 108% Analysis Date = 12/14/00 Pct Recovery = 107% Analysis Date = 12/14/00 Pct Recovery = 107% Analysis Date = 12/08/00 Pct Recovery = 107% Analysis Date = 12/08/00 Pct Recovery = 107% Analysis Date = 12/03/00 Pct Recovery = 107% Analysis Date = 12/03/00 Pct Recovery = 107% Analysis Date = 11/27/00 Pct Recovery = 107% Analysis Date = 11/27/00 Pct Recovery = 107% Analysis Date = 11/21/00 Pct Recovery = 107% Analysis Date = 11/21/00 Pct Recovery = 107% Analysis Date = 11/15/00 Pct Recovery = 107% Analysis Date = 11/15/00 Pct Recovery = 107% Analysis Date = 11/10/00 Pct Recovery = 107% Analysis Date = 11/10/00 Pct Recovery = 107% Analysis Date = 11/04/00 Pct Recovery = 107% Analysis Date = 11/04/00 Pct Recovery = 107% Analysis Date = 10/29/00 Pct Recovery = 107% Analysis Date = 10/29/00 Pct Recovery = 107% Analysis Date = 10/24/00 Pct Recovery = 107% Analysis Date = 10/24/00 Pct Recovery = 107% Analysis Date = 10/18/00 Pct Recovery = 107% Analysis Date = 10/18/00 Pct Recovery = 107% Analysis Date = 10/12/00 Pct Recovery = 107% Analysis Date = 10/12/00 Pct Recovery = 107% Analysis Date = 10/06/00 Pct Recovery = 107% Analysis Date = 10/06/00 Pct Recovery = 107% Analysis Date = 10/01/00 Pct Recovery = 107% Analysis Date = 10/01/00 Pct Recovery = 107% Analysis Date = 09/25/00 Pct Recovery = 107% Analysis Date = 09/25/00 Pct Recovery = 107% Analysis Date = 09/19/00 Pct Recovery = 107% Analysis Date = 09/19/00 Pct Recovery = 107% Analysis Date = 09/13/00 Pct Recovery = 107% Analysis Date = 09/13/00 Pct Recovery = 107% Analysis Date = 09/08/00 Pct Recovery = 107% Analysis Date = 09/08/00 Pct Recovery = 107% Analysis Date = 09/02/00 Pct Recovery = 107% Analysis Date = 09/02/00 Pct Recovery = 107% Analysis Date = 08/27/00 Pct Recovery = 107% Analysis Date = 08/27/00 Pct Recovery = 107% Analysis Date = 08/22/00 Pct Recovery = 107% Analysis Date = 08/22/00 Pct Recovery = 107% Analysis Date = 08/16/00 Pct Recovery = 107% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,2,3-TRIMETHYLBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 14 105% 9% 106% 7%
Total 14 105% 9% 106% 7%

Sample Statistics
1,2,3-TRIMETHYLBENZENE

Characteristic N % % Basis
Plotted 14 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 14 .  
False Negatives 0 0% 0 out of 14
Not Spiked 22 .  
False Positives 0 0% 0 out of 22

BQS OBSP Determination:
1,2,4-TRICHLOROBENZENE
METHOD: 4054 , TESTIDCODE: 34551GCM66
Open Data Set

Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 102% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 115% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 100% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 86% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 88% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 88% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 75% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 99% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 83% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 92% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 90% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 102% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 95% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 103% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 83% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 117% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 90% Analysis Date = 10/04/03 Pct Recovery = 92% Analysis Date = 09/27/03 Pct Recovery = 92% Analysis Date = 09/27/03 Pct Recovery = 92% Analysis Date = 09/20/03 Pct Recovery = 93% Analysis Date = 09/20/03 Pct Recovery = 93% Analysis Date = 09/14/03 Pct Recovery = 93% Analysis Date = 09/14/03 Pct Recovery = 93% Analysis Date = 09/07/03 Pct Recovery = 93% Analysis Date = 09/07/03 Pct Recovery = 93% Analysis Date = 09/01/03 Pct Recovery = 93% Analysis Date = 09/01/03 Pct Recovery = 93% Analysis Date = 08/25/03 Pct Recovery = 94% Analysis Date = 08/25/03 Pct Recovery = 94% Analysis Date = 08/18/03 Pct Recovery = 94% Analysis Date = 08/18/03 Pct Recovery = 94% Analysis Date = 08/12/03 Pct Recovery = 94% Analysis Date = 08/12/03 Pct Recovery = 94% Analysis Date = 08/05/03 Pct Recovery = 94% Analysis Date = 08/05/03 Pct Recovery = 94% Analysis Date = 07/30/03 Pct Recovery = 94% Analysis Date = 07/30/03 Pct Recovery = 94% Analysis Date = 07/23/03 Pct Recovery = 95% Analysis Date = 07/23/03 Pct Recovery = 95% Analysis Date = 07/16/03 Pct Recovery = 95% Analysis Date = 07/16/03 Pct Recovery = 95% Analysis Date = 07/10/03 Pct Recovery = 95% Analysis Date = 07/10/03 Pct Recovery = 95% Analysis Date = 07/03/03 Pct Recovery = 95% Analysis Date = 07/03/03 Pct Recovery = 95% Analysis Date = 06/27/03 Pct Recovery = 95% Analysis Date = 06/27/03 Pct Recovery = 95% Analysis Date = 06/20/03 Pct Recovery = 95% Analysis Date = 06/20/03 Pct Recovery = 95% Analysis Date = 06/13/03 Pct Recovery = 96% Analysis Date = 06/13/03 Pct Recovery = 96% Analysis Date = 06/07/03 Pct Recovery = 96% Analysis Date = 06/07/03 Pct Recovery = 96% Analysis Date = 05/31/03 Pct Recovery = 96% Analysis Date = 05/31/03 Pct Recovery = 96% Analysis Date = 05/25/03 Pct Recovery = 95% Analysis Date = 05/25/03 Pct Recovery = 95% Analysis Date = 05/18/03 Pct Recovery = 95% Analysis Date = 05/18/03 Pct Recovery = 95% Analysis Date = 05/11/03 Pct Recovery = 95% Analysis Date = 05/11/03 Pct Recovery = 95% Analysis Date = 05/05/03 Pct Recovery = 95% Analysis Date = 05/05/03 Pct Recovery = 95% Analysis Date = 04/28/03 Pct Recovery = 95% Analysis Date = 04/28/03 Pct Recovery = 95% Analysis Date = 04/22/03 Pct Recovery = 95% Analysis Date = 04/22/03 Pct Recovery = 95% Analysis Date = 04/15/03 Pct Recovery = 95% Analysis Date = 04/15/03 Pct Recovery = 95% Analysis Date = 04/09/03 Pct Recovery = 95% Analysis Date = 04/09/03 Pct Recovery = 95% Analysis Date = 04/02/03 Pct Recovery = 95% Analysis Date = 04/02/03 Pct Recovery = 95% Analysis Date = 03/26/03 Pct Recovery = 95% Analysis Date = 03/26/03 Pct Recovery = 95% Analysis Date = 03/20/03 Pct Recovery = 95% Analysis Date = 03/20/03 Pct Recovery = 95% Analysis Date = 03/13/03 Pct Recovery = 94% Analysis Date = 03/13/03 Pct Recovery = 94% Analysis Date = 03/07/03 Pct Recovery = 94% Analysis Date = 03/07/03 Pct Recovery = 94% Analysis Date = 02/28/03 Pct Recovery = 94% Analysis Date = 02/28/03 Pct Recovery = 94% Analysis Date = 02/21/03 Pct Recovery = 94% Analysis Date = 02/21/03 Pct Recovery = 94% Analysis Date = 02/15/03 Pct Recovery = 94% Analysis Date = 02/15/03 Pct Recovery = 94% Analysis Date = 02/08/03 Pct Recovery = 94% Analysis Date = 02/08/03 Pct Recovery = 94% Analysis Date = 02/02/03 Pct Recovery = 94% Analysis Date = 02/02/03 Pct Recovery = 94% Analysis Date = 01/26/03 Pct Recovery = 94% Analysis Date = 01/26/03 Pct Recovery = 94% Analysis Date = 01/19/03 Pct Recovery = 94% Analysis Date = 01/19/03 Pct Recovery = 94% Analysis Date = 01/13/03 Pct Recovery = 94% Analysis Date = 01/13/03 Pct Recovery = 94% Analysis Date = 01/06/03 Pct Recovery = 94% Analysis Date = 01/06/03 Pct Recovery = 94% Analysis Date = 12/31/02 Pct Recovery = 93% Analysis Date = 12/31/02 Pct Recovery = 93% Analysis Date = 12/24/02 Pct Recovery = 93% Analysis Date = 12/24/02 Pct Recovery = 93% Analysis Date = 12/17/02 Pct Recovery = 93% Analysis Date = 12/17/02 Pct Recovery = 93% Analysis Date = 12/11/02 Pct Recovery = 93% Analysis Date = 12/11/02 Pct Recovery = 93% Analysis Date = 12/04/02 Pct Recovery = 93% Analysis Date = 12/04/02 Pct Recovery = 93% Analysis Date = 11/28/02 Pct Recovery = 93% Analysis Date = 11/28/02 Pct Recovery = 93% Analysis Date = 11/21/02 Pct Recovery = 93% Analysis Date = 11/21/02 Pct Recovery = 93% Analysis Date = 11/15/02 Pct Recovery = 93% Analysis Date = 11/15/02 Pct Recovery = 93% Analysis Date = 11/08/02 Pct Recovery = 93% Analysis Date = 11/08/02 Pct Recovery = 93% Analysis Date = 11/01/02 Pct Recovery = 93% Analysis Date = 11/01/02 Pct Recovery = 93% Analysis Date = 10/26/02 Pct Recovery = 93% Analysis Date = 10/26/02 Pct Recovery = 93% Analysis Date = 10/19/02 Pct Recovery = 92% Analysis Date = 10/19/02 Pct Recovery = 92% Analysis Date = 10/13/02 Pct Recovery = 92% Analysis Date = 10/13/02 Pct Recovery = 92% Analysis Date = 10/06/02 Pct Recovery = 92% Analysis Date = 10/06/02 Pct Recovery = 92% Analysis Date = 09/29/02 Pct Recovery = 92% Analysis Date = 09/29/02 Pct Recovery = 92% Analysis Date = 09/23/02 Pct Recovery = 92% Analysis Date = 09/23/02 Pct Recovery = 92% Analysis Date = 09/16/02 Pct Recovery = 92% Analysis Date = 09/16/02 Pct Recovery = 92% Analysis Date = 09/10/02 Pct Recovery = 92% Analysis Date = 09/10/02 Pct Recovery = 92% Analysis Date = 09/03/02 Pct Recovery = 92% Analysis Date = 09/03/02 Pct Recovery = 92% Analysis Date = 08/27/02 Pct Recovery = 92% Analysis Date = 08/27/02 Pct Recovery = 92% Analysis Date = 08/21/02 Pct Recovery = 92% Analysis Date = 08/21/02 Pct Recovery = 92% Analysis Date = 08/14/02 Pct Recovery = 92% Analysis Date = 08/14/02 Pct Recovery = 92% Analysis Date = 08/08/02 Pct Recovery = 91% Analysis Date = 08/08/02 Pct Recovery = 91% Analysis Date = 08/01/02 Pct Recovery = 91% Analysis Date = 08/01/02 Pct Recovery = 91% Analysis Date = 07/25/02 Pct Recovery = 91% Analysis Date = 07/25/02 Pct Recovery = 91% Analysis Date = 07/19/02 Pct Recovery = 91% Analysis Date = 07/19/02 Pct Recovery = 91% Analysis Date = 07/12/02 Pct Recovery = 91% Analysis Date = 07/12/02 Pct Recovery = 91% Analysis Date = 07/06/02 Pct Recovery = 91% Analysis Date = 07/06/02 Pct Recovery = 91% Analysis Date = 06/29/02 Pct Recovery = 91% Analysis Date = 06/29/02 Pct Recovery = 91% Analysis Date = 06/22/02 Pct Recovery = 91% Analysis Date = 06/22/02 Pct Recovery = 91% Analysis Date = 06/16/02 Pct Recovery = 91% Analysis Date = 06/16/02 Pct Recovery = 91% Analysis Date = 06/09/02 Pct Recovery = 91% Analysis Date = 06/09/02 Pct Recovery = 91% Analysis Date = 06/03/02 Pct Recovery = 91% Analysis Date = 06/03/02 Pct Recovery = 91% Analysis Date = 05/27/02 Pct Recovery = 91% Analysis Date = 05/27/02 Pct Recovery = 91% Analysis Date = 05/21/02 Pct Recovery = 91% Analysis Date = 05/21/02 Pct Recovery = 91% Analysis Date = 05/14/02 Pct Recovery = 91% Analysis Date = 05/14/02 Pct Recovery = 91% Analysis Date = 05/07/02 Pct Recovery = 91% Analysis Date = 05/07/02 Pct Recovery = 91% Analysis Date = 05/01/02 Pct Recovery = 91% Analysis Date = 05/01/02 Pct Recovery = 91% Analysis Date = 04/24/02 Pct Recovery = 91% Analysis Date = 04/24/02 Pct Recovery = 91% Analysis Date = 04/18/02 Pct Recovery = 92% Analysis Date = 04/18/02 Pct Recovery = 92% Analysis Date = 04/11/02 Pct Recovery = 92% Analysis Date = 04/11/02 Pct Recovery = 92% Analysis Date = 04/04/02 Pct Recovery = 92% Analysis Date = 04/04/02 Pct Recovery = 92% Analysis Date = 03/29/02 Pct Recovery = 92% Analysis Date = 03/29/02 Pct Recovery = 92% Analysis Date = 03/22/02 Pct Recovery = 92% Analysis Date = 03/22/02 Pct Recovery = 92% Analysis Date = 03/16/02 Pct Recovery = 92% Analysis Date = 03/16/02 Pct Recovery = 92% Analysis Date = 03/09/02 Pct Recovery = 93% Analysis Date = 03/09/02 Pct Recovery = 93% Analysis Date = 03/02/02 Pct Recovery = 93% Analysis Date = 03/02/02 Pct Recovery = 93% Analysis Date = 02/24/02 Pct Recovery = 93% Analysis Date = 02/24/02 Pct Recovery = 93% Analysis Date = 02/17/02 Pct Recovery = 93% Analysis Date = 02/17/02 Pct Recovery = 93% Analysis Date = 02/11/02 Pct Recovery = 93% Analysis Date = 02/11/02 Pct Recovery = 93% Analysis Date = 02/04/02 Pct Recovery = 93% Analysis Date = 02/04/02 Pct Recovery = 93% Analysis Date = 01/28/02 Pct Recovery = 93% Analysis Date = 01/28/02 Pct Recovery = 93% Analysis Date = 01/22/02 Pct Recovery = 93% Analysis Date = 01/22/02 Pct Recovery = 93% Analysis Date = 01/15/02 Pct Recovery = 93% Analysis Date = 01/15/02 Pct Recovery = 93% Analysis Date = 01/09/02 Pct Recovery = 93% Analysis Date = 01/09/02 Pct Recovery = 93% Analysis Date = 01/02/02 Pct Recovery = 93% Analysis Date = 01/02/02 Pct Recovery = 93% Analysis Date = 12/27/01 Pct Recovery = 93% Analysis Date = 12/27/01 Pct Recovery = 93% Analysis Date = 12/20/01 Pct Recovery = 93% Analysis Date = 12/20/01 Pct Recovery = 93% Analysis Date = 12/13/01 Pct Recovery = 94% Analysis Date = 12/13/01 Pct Recovery = 94% Analysis Date = 12/07/01 Pct Recovery = 94% Analysis Date = 12/07/01 Pct Recovery = 94% Analysis Date = 11/30/01 Pct Recovery = 94% Analysis Date = 11/30/01 Pct Recovery = 94% Analysis Date = 11/24/01 Pct Recovery = 94% Analysis Date = 11/24/01 Pct Recovery = 94% Analysis Date = 11/17/01 Pct Recovery = 94% Analysis Date = 11/17/01 Pct Recovery = 94% Analysis Date = 11/10/01 Pct Recovery = 94% Analysis Date = 11/10/01 Pct Recovery = 94% Analysis Date = 11/04/01 Pct Recovery = 94% Analysis Date = 11/04/01 Pct Recovery = 94% Analysis Date = 10/28/01 Pct Recovery = 94% Analysis Date = 10/28/01 Pct Recovery = 94% Analysis Date = 10/22/01 Pct Recovery = 94% Analysis Date = 10/22/01 Pct Recovery = 94% Analysis Date = 10/15/01 Pct Recovery = 94% Analysis Date = 10/15/01 Pct Recovery = 94% Analysis Date = 10/08/01 Pct Recovery = 94% Analysis Date = 10/08/01 Pct Recovery = 94% Analysis Date = 10/02/01 Pct Recovery = 94% Analysis Date = 10/02/01 Pct Recovery = 94% Analysis Date = 09/25/01 Pct Recovery = 94% Analysis Date = 09/25/01 Pct Recovery = 94% Analysis Date = 09/19/01 Pct Recovery = 94% Analysis Date = 09/19/01 Pct Recovery = 94% Analysis Date = 09/12/01 Pct Recovery = 94% Analysis Date = 09/12/01 Pct Recovery = 94% Analysis Date = 09/05/01 Pct Recovery = 94% Analysis Date = 09/05/01 Pct Recovery = 94% Analysis Date = 08/30/01 Pct Recovery = 94% Analysis Date = 08/30/01 Pct Recovery = 94% Analysis Date = 08/23/01 Pct Recovery = 95% Analysis Date = 08/23/01 Pct Recovery = 95% Analysis Date = 08/17/01 Pct Recovery = 95% Analysis Date = 08/17/01 Pct Recovery = 95% Analysis Date = 08/10/01 Pct Recovery = 95% Analysis Date = 08/10/01 Pct Recovery = 95% Analysis Date = 08/04/01 Pct Recovery = 95% Analysis Date = 08/04/01 Pct Recovery = 95% Analysis Date = 07/28/01 Pct Recovery = 95% Analysis Date = 07/28/01 Pct Recovery = 95% Analysis Date = 07/21/01 Pct Recovery = 95% Analysis Date = 07/21/01 Pct Recovery = 95% Analysis Date = 07/15/01 Pct Recovery = 95% Analysis Date = 07/15/01 Pct Recovery = 95% Analysis Date = 07/08/01 Pct Recovery = 95% Analysis Date = 07/08/01 Pct Recovery = 95% Analysis Date = 07/02/01 Pct Recovery = 95% Analysis Date = 07/02/01 Pct Recovery = 95% Analysis Date = 06/25/01 Pct Recovery = 95% Analysis Date = 06/25/01 Pct Recovery = 95% Analysis Date = 06/18/01 Pct Recovery = 95% Analysis Date = 06/18/01 Pct Recovery = 95% Analysis Date = 06/12/01 Pct Recovery = 95% Analysis Date = 06/12/01 Pct Recovery = 95% Analysis Date = 06/05/01 Pct Recovery = 95% Analysis Date = 06/05/01 Pct Recovery = 95% Analysis Date = 05/30/01 Pct Recovery = 95% Analysis Date = 05/30/01 Pct Recovery = 95% Analysis Date = 05/23/01 Pct Recovery = 95% Analysis Date = 05/23/01 Pct Recovery = 95% Analysis Date = 05/16/01 Pct Recovery = 95% Analysis Date = 05/16/01 Pct Recovery = 95% Analysis Date = 05/10/01 Pct Recovery = 95% Analysis Date = 05/10/01 Pct Recovery = 95% Analysis Date = 05/03/01 Pct Recovery = 96% Analysis Date = 05/03/01 Pct Recovery = 96% Analysis Date = 04/27/01 Pct Recovery = 96% Analysis Date = 04/27/01 Pct Recovery = 96% Analysis Date = 04/20/01 Pct Recovery = 96% Analysis Date = 04/20/01 Pct Recovery = 96% Analysis Date = 04/13/01 Pct Recovery = 96% Analysis Date = 04/13/01 Pct Recovery = 96% Analysis Date = 04/07/01 Pct Recovery = 96% Analysis Date = 04/07/01 Pct Recovery = 96% Analysis Date = 03/31/01 Pct Recovery = 96% Analysis Date = 03/31/01 Pct Recovery = 96% Analysis Date = 03/25/01 Pct Recovery = 96% Analysis Date = 03/25/01 Pct Recovery = 96% Analysis Date = 03/18/01 Pct Recovery = 96% Analysis Date = 03/18/01 Pct Recovery = 96% Analysis Date = 03/11/01 Pct Recovery = 96% Analysis Date = 03/11/01 Pct Recovery = 96% Analysis Date = 03/05/01 Pct Recovery = 96% Analysis Date = 03/05/01 Pct Recovery = 96% Analysis Date = 02/26/01 Pct Recovery = 96% Analysis Date = 02/26/01 Pct Recovery = 96% Analysis Date = 02/20/01 Pct Recovery = 96% Analysis Date = 02/20/01 Pct Recovery = 96% Analysis Date = 02/13/01 Pct Recovery = 96% Analysis Date = 02/13/01 Pct Recovery = 96% Analysis Date = 02/07/01 Pct Recovery = 96% Analysis Date = 02/07/01 Pct Recovery = 96% Analysis Date = 01/31/01 Pct Recovery = 96% Analysis Date = 01/31/01 Pct Recovery = 96% Analysis Date = 01/24/01 Pct Recovery = 96% Analysis Date = 01/24/01 Pct Recovery = 96% Analysis Date = 01/18/01 Pct Recovery = 96% Analysis Date = 01/18/01 Pct Recovery = 96% Analysis Date = 01/11/01 Pct Recovery = 97% Analysis Date = 01/11/01 Pct Recovery = 97% Analysis Date = 01/05/01 Pct Recovery = 97% Analysis Date = 01/05/01 Pct Recovery = 97% Analysis Date = 12/29/00 Pct Recovery = 97% Analysis Date = 12/29/00 Pct Recovery = 97% Analysis Date = 12/22/00 Pct Recovery = 97% Analysis Date = 12/22/00 Pct Recovery = 97% Analysis Date = 12/16/00 Pct Recovery = 97% Analysis Date = 12/16/00 Pct Recovery = 97% Analysis Date = 12/09/00 Pct Recovery = 97% Analysis Date = 12/09/00 Pct Recovery = 97% Analysis Date = 12/03/00 Pct Recovery = 97% Analysis Date = 12/03/00 Pct Recovery = 97% Analysis Date = 11/26/00 Pct Recovery = 97% Analysis Date = 11/26/00 Pct Recovery = 97% Analysis Date = 11/19/00 Pct Recovery = 97% Analysis Date = 11/19/00 Pct Recovery = 97% Analysis Date = 11/13/00 Pct Recovery = 97% Analysis Date = 11/13/00 Pct Recovery = 97% Analysis Date = 11/06/00 Pct Recovery = 97% Analysis Date = 11/06/00 Pct Recovery = 97% Analysis Date = 10/31/00 Pct Recovery = 97% Analysis Date = 10/31/00 Pct Recovery = 97% Analysis Date = 10/24/00 Pct Recovery = 97% Analysis Date = 10/24/00 Pct Recovery = 97% Analysis Date = 10/17/00 Pct Recovery = 97% Analysis Date = 10/17/00 Pct Recovery = 97% Analysis Date = 10/11/00 Pct Recovery = 97% Analysis Date = 10/11/00 Pct Recovery = 97% Analysis Date = 10/04/00 Pct Recovery = 97% Analysis Date = 10/04/00 Pct Recovery = 97% Analysis Date = 09/28/00 Pct Recovery = 97% Analysis Date = 09/28/00 Pct Recovery = 97% Analysis Date = 09/21/00 Pct Recovery = 97% Analysis Date = 09/21/00 Pct Recovery = 97% Analysis Date = 09/15/00 Pct Recovery = 97% Analysis Date = 09/15/00 Pct Recovery = 97% Analysis Date = 09/08/00 Pct Recovery = 97% Analysis Date = 09/08/00 Pct Recovery = 97% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/19/00 Pct Recovery = 97% Analysis Date = 08/19/00 Pct Recovery = 97% Analysis Date = 08/13/00 Pct Recovery = 97% Analysis Date = 08/13/00 Pct Recovery = 97% Analysis Date = 08/06/00 Pct Recovery = 97% Analysis Date = 08/06/00 Pct Recovery = 97% Analysis Date = 07/30/00 Pct Recovery = 97% Analysis Date = 07/30/00 Pct Recovery = 97% Analysis Date = 07/24/00 Pct Recovery = 98% Analysis Date = 07/24/00 Pct Recovery = 98% Analysis Date = 07/17/00 Pct Recovery = 98% Analysis Date = 07/17/00 Pct Recovery = 98% Analysis Date = 07/11/00 Pct Recovery = 98% Analysis Date = 07/11/00 Pct Recovery = 98% Analysis Date = 07/04/00 Pct Recovery = 98% Analysis Date = 07/04/00 Pct Recovery = 98% Analysis Date = 06/27/00 Pct Recovery = 98% Analysis Date = 06/27/00 Pct Recovery = 98% Analysis Date = 06/21/00 Pct Recovery = 98% Analysis Date = 06/21/00 Pct Recovery = 98% Analysis Date = 06/14/00 Pct Recovery = 98% Analysis Date = 06/14/00 Pct Recovery = 98% Analysis Date = 06/08/00 Pct Recovery = 98% Analysis Date = 06/08/00 Pct Recovery = 98% Analysis Date = 06/01/00 Pct Recovery = 98% Analysis Date = 06/01/00 Pct Recovery = 98% Analysis Date = 05/25/00 Pct Recovery = 98% Analysis Date = 05/25/00 Pct Recovery = 98% Analysis Date = 05/19/00 Pct Recovery = 98% Analysis Date = 05/19/00 Pct Recovery = 98% Analysis Date = 05/12/00 Pct Recovery = 98% Analysis Date = 05/12/00 Pct Recovery = 98% Analysis Date = 05/06/00 Pct Recovery = 98% Analysis Date = 05/06/00 Pct Recovery = 98% Analysis Date = 04/29/00 Pct Recovery = 98% Analysis Date = 04/29/00 Pct Recovery = 98% Analysis Date = 04/23/00 Pct Recovery = 98% Analysis Date = 04/23/00 Pct Recovery = 98% Analysis Date = 04/16/00 Pct Recovery = 98% Analysis Date = 04/16/00 Pct Recovery = 98% Analysis Date = 04/09/00 Pct Recovery = 98% Analysis Date = 04/09/00 Pct Recovery = 98% Analysis Date = 04/03/00 Pct Recovery = 98% Analysis Date = 04/03/00 Pct Recovery = 98% Analysis Date = 03/27/00 Pct Recovery = 98% Analysis Date = 03/27/00 Pct Recovery = 98% Analysis Date = 03/21/00 Pct Recovery = 98% Analysis Date = 03/21/00 Pct Recovery = 98% Analysis Date = 03/14/00 Pct Recovery = 98% Analysis Date = 03/14/00 Pct Recovery = 98% Analysis Date = 03/07/00 Pct Recovery = 98% Analysis Date = 03/07/00 Pct Recovery = 98% Analysis Date = 03/01/00 Pct Recovery = 98% Analysis Date = 03/01/00 Pct Recovery = 98% Analysis Date = 02/23/00 Pct Recovery = 98% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,2,4-TRICHLOROBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 17 95% 11% 92% 10%
Total 17 95% 11% 92% 10%

Sample Statistics
1,2,4-TRICHLOROBENZENE

Characteristic N % % Basis
Plotted 17 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 17 .  
False Negatives 0 0% 0 out of 17
Not Spiked 19 .  
False Positives 0 0% 0 out of 19

BQS OBSP Determination:
1,2,4-TRIMETHYLBENZENE
METHOD: 4054 , TESTIDCODE: 77222GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 98% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 99% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 94% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 103% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 101% Analysis Date = 11/15/00 Pct Recovery = 98% Analysis Date = 11/13/00 Pct Recovery = 98% Analysis Date = 11/13/00 Pct Recovery = 98% Analysis Date = 11/12/00 Pct Recovery = 98% Analysis Date = 11/12/00 Pct Recovery = 98% Analysis Date = 11/11/00 Pct Recovery = 98% Analysis Date = 11/11/00 Pct Recovery = 98% Analysis Date = 11/10/00 Pct Recovery = 98% Analysis Date = 11/10/00 Pct Recovery = 98% Analysis Date = 11/08/00 Pct Recovery = 98% Analysis Date = 11/08/00 Pct Recovery = 98% Analysis Date = 11/07/00 Pct Recovery = 98% Analysis Date = 11/07/00 Pct Recovery = 98% Analysis Date = 11/06/00 Pct Recovery = 98% Analysis Date = 11/06/00 Pct Recovery = 98% Analysis Date = 11/04/00 Pct Recovery = 98% Analysis Date = 11/04/00 Pct Recovery = 98% Analysis Date = 11/03/00 Pct Recovery = 98% Analysis Date = 11/03/00 Pct Recovery = 98% Analysis Date = 11/02/00 Pct Recovery = 98% Analysis Date = 11/02/00 Pct Recovery = 98% Analysis Date = 10/31/00 Pct Recovery = 98% Analysis Date = 10/31/00 Pct Recovery = 98% Analysis Date = 10/30/00 Pct Recovery = 98% Analysis Date = 10/30/00 Pct Recovery = 98% Analysis Date = 10/29/00 Pct Recovery = 98% Analysis Date = 10/29/00 Pct Recovery = 98% Analysis Date = 10/27/00 Pct Recovery = 98% Analysis Date = 10/27/00 Pct Recovery = 98% Analysis Date = 10/26/00 Pct Recovery = 98% Analysis Date = 10/26/00 Pct Recovery = 98% Analysis Date = 10/25/00 Pct Recovery = 98% Analysis Date = 10/25/00 Pct Recovery = 98% Analysis Date = 10/23/00 Pct Recovery = 98% Analysis Date = 10/23/00 Pct Recovery = 98% Analysis Date = 10/22/00 Pct Recovery = 98% Analysis Date = 10/22/00 Pct Recovery = 98% Analysis Date = 10/21/00 Pct Recovery = 98% Analysis Date = 10/21/00 Pct Recovery = 98% Analysis Date = 10/19/00 Pct Recovery = 98% Analysis Date = 10/19/00 Pct Recovery = 98% Analysis Date = 10/18/00 Pct Recovery = 98% Analysis Date = 10/18/00 Pct Recovery = 98% Analysis Date = 10/17/00 Pct Recovery = 98% Analysis Date = 10/17/00 Pct Recovery = 98% Analysis Date = 10/15/00 Pct Recovery = 98% Analysis Date = 10/15/00 Pct Recovery = 98% Analysis Date = 10/14/00 Pct Recovery = 98% Analysis Date = 10/14/00 Pct Recovery = 98% Analysis Date = 10/13/00 Pct Recovery = 98% Analysis Date = 10/13/00 Pct Recovery = 98% Analysis Date = 10/11/00 Pct Recovery = 98% Analysis Date = 10/11/00 Pct Recovery = 98% Analysis Date = 10/10/00 Pct Recovery = 98% Analysis Date = 10/10/00 Pct Recovery = 98% Analysis Date = 10/09/00 Pct Recovery = 98% Analysis Date = 10/09/00 Pct Recovery = 98% Analysis Date = 10/07/00 Pct Recovery = 98% Analysis Date = 10/07/00 Pct Recovery = 98% Analysis Date = 10/06/00 Pct Recovery = 98% Analysis Date = 10/06/00 Pct Recovery = 98% Analysis Date = 10/05/00 Pct Recovery = 98% Analysis Date = 10/05/00 Pct Recovery = 98% Analysis Date = 10/03/00 Pct Recovery = 98% Analysis Date = 10/03/00 Pct Recovery = 98% Analysis Date = 10/02/00 Pct Recovery = 98% Analysis Date = 10/02/00 Pct Recovery = 98% Analysis Date = 10/01/00 Pct Recovery = 98% Analysis Date = 10/01/00 Pct Recovery = 98% Analysis Date = 09/29/00 Pct Recovery = 99% Analysis Date = 09/29/00 Pct Recovery = 99% Analysis Date = 09/28/00 Pct Recovery = 99% Analysis Date = 09/28/00 Pct Recovery = 99% Analysis Date = 09/27/00 Pct Recovery = 99% Analysis Date = 09/27/00 Pct Recovery = 99% Analysis Date = 09/25/00 Pct Recovery = 99% Analysis Date = 09/25/00 Pct Recovery = 99% Analysis Date = 09/24/00 Pct Recovery = 99% Analysis Date = 09/24/00 Pct Recovery = 99% Analysis Date = 09/23/00 Pct Recovery = 99% Analysis Date = 09/23/00 Pct Recovery = 99% Analysis Date = 09/21/00 Pct Recovery = 99% Analysis Date = 09/21/00 Pct Recovery = 99% Analysis Date = 09/20/00 Pct Recovery = 99% Analysis Date = 09/20/00 Pct Recovery = 99% Analysis Date = 09/19/00 Pct Recovery = 99% Analysis Date = 09/19/00 Pct Recovery = 99% Analysis Date = 09/17/00 Pct Recovery = 99% Analysis Date = 09/17/00 Pct Recovery = 99% Analysis Date = 09/16/00 Pct Recovery = 99% Analysis Date = 09/16/00 Pct Recovery = 99% Analysis Date = 09/15/00 Pct Recovery = 99% Analysis Date = 09/15/00 Pct Recovery = 99% Analysis Date = 09/13/00 Pct Recovery = 99% Analysis Date = 09/13/00 Pct Recovery = 99% Analysis Date = 09/12/00 Pct Recovery = 99% Analysis Date = 09/12/00 Pct Recovery = 99% Analysis Date = 09/11/00 Pct Recovery = 99% Analysis Date = 09/11/00 Pct Recovery = 99% Analysis Date = 09/09/00 Pct Recovery = 99% Analysis Date = 09/09/00 Pct Recovery = 99% Analysis Date = 09/08/00 Pct Recovery = 99% Analysis Date = 09/08/00 Pct Recovery = 99% Analysis Date = 09/07/00 Pct Recovery = 99% Analysis Date = 09/07/00 Pct Recovery = 99% Analysis Date = 09/05/00 Pct Recovery = 99% Analysis Date = 09/05/00 Pct Recovery = 99% Analysis Date = 09/04/00 Pct Recovery = 99% Analysis Date = 09/04/00 Pct Recovery = 99% Analysis Date = 09/03/00 Pct Recovery = 99% Analysis Date = 09/03/00 Pct Recovery = 99% Analysis Date = 09/01/00 Pct Recovery = 99% Analysis Date = 09/01/00 Pct Recovery = 99% Analysis Date = 08/31/00 Pct Recovery = 99% Analysis Date = 08/31/00 Pct Recovery = 99% Analysis Date = 08/30/00 Pct Recovery = 99% Analysis Date = 08/30/00 Pct Recovery = 99% Analysis Date = 08/28/00 Pct Recovery = 99% Analysis Date = 08/28/00 Pct Recovery = 99% Analysis Date = 08/27/00 Pct Recovery = 99% Analysis Date = 08/27/00 Pct Recovery = 99% Analysis Date = 08/26/00 Pct Recovery = 99% Analysis Date = 08/26/00 Pct Recovery = 99% Analysis Date = 08/24/00 Pct Recovery = 99% Analysis Date = 08/24/00 Pct Recovery = 99% Analysis Date = 08/23/00 Pct Recovery = 99% Analysis Date = 08/23/00 Pct Recovery = 99% Analysis Date = 08/22/00 Pct Recovery = 99% Analysis Date = 08/22/00 Pct Recovery = 99% Analysis Date = 08/20/00 Pct Recovery = 99% Analysis Date = 08/20/00 Pct Recovery = 99% Analysis Date = 08/19/00 Pct Recovery = 99% Analysis Date = 08/19/00 Pct Recovery = 99% Analysis Date = 08/18/00 Pct Recovery = 99% Analysis Date = 08/18/00 Pct Recovery = 99% Analysis Date = 08/17/00 Pct Recovery = 99% Analysis Date = 08/17/00 Pct Recovery = 99% Analysis Date = 08/15/00 Pct Recovery = 99% Analysis Date = 08/15/00 Pct Recovery = 99% Analysis Date = 08/14/00 Pct Recovery = 99% Analysis Date = 08/14/00 Pct Recovery = 99% Analysis Date = 08/13/00 Pct Recovery = 99% Analysis Date = 08/13/00 Pct Recovery = 99% Analysis Date = 08/11/00 Pct Recovery = 99% Analysis Date = 08/11/00 Pct Recovery = 99% Analysis Date = 08/10/00 Pct Recovery = 99% Analysis Date = 08/10/00 Pct Recovery = 99% Analysis Date = 08/09/00 Pct Recovery = 99% Analysis Date = 08/09/00 Pct Recovery = 99% Analysis Date = 08/07/00 Pct Recovery = 98% Analysis Date = 08/07/00 Pct Recovery = 98% Analysis Date = 08/06/00 Pct Recovery = 98% Analysis Date = 08/06/00 Pct Recovery = 98% Analysis Date = 08/05/00 Pct Recovery = 98% Analysis Date = 08/05/00 Pct Recovery = 98% Analysis Date = 08/03/00 Pct Recovery = 98% Analysis Date = 08/03/00 Pct Recovery = 98% Analysis Date = 08/02/00 Pct Recovery = 98% Analysis Date = 08/02/00 Pct Recovery = 98% Analysis Date = 08/01/00 Pct Recovery = 98% Analysis Date = 08/01/00 Pct Recovery = 98% Analysis Date = 07/30/00 Pct Recovery = 98% Analysis Date = 07/30/00 Pct Recovery = 98% Analysis Date = 07/29/00 Pct Recovery = 98% Analysis Date = 07/29/00 Pct Recovery = 98% Analysis Date = 07/28/00 Pct Recovery = 97% Analysis Date = 07/28/00 Pct Recovery = 97% Analysis Date = 07/26/00 Pct Recovery = 97% Analysis Date = 07/26/00 Pct Recovery = 97% Analysis Date = 07/25/00 Pct Recovery = 97% Analysis Date = 07/25/00 Pct Recovery = 97% Analysis Date = 07/24/00 Pct Recovery = 97% Analysis Date = 07/24/00 Pct Recovery = 97% Analysis Date = 07/22/00 Pct Recovery = 97% Analysis Date = 07/22/00 Pct Recovery = 97% Analysis Date = 07/21/00 Pct Recovery = 97% Analysis Date = 07/21/00 Pct Recovery = 97% Analysis Date = 07/20/00 Pct Recovery = 97% Analysis Date = 07/20/00 Pct Recovery = 97% Analysis Date = 07/18/00 Pct Recovery = 97% Analysis Date = 07/18/00 Pct Recovery = 97% Analysis Date = 07/17/00 Pct Recovery = 97% Analysis Date = 07/17/00 Pct Recovery = 97% Analysis Date = 07/16/00 Pct Recovery = 96% Analysis Date = 07/16/00 Pct Recovery = 96% Analysis Date = 07/14/00 Pct Recovery = 96% Analysis Date = 07/14/00 Pct Recovery = 96% Analysis Date = 07/13/00 Pct Recovery = 96% Analysis Date = 07/13/00 Pct Recovery = 96% Analysis Date = 07/12/00 Pct Recovery = 96% Analysis Date = 07/12/00 Pct Recovery = 96% Analysis Date = 07/10/00 Pct Recovery = 96% Analysis Date = 07/10/00 Pct Recovery = 96% Analysis Date = 07/09/00 Pct Recovery = 96% Analysis Date = 07/09/00 Pct Recovery = 96% Analysis Date = 07/08/00 Pct Recovery = 96% Analysis Date = 07/08/00 Pct Recovery = 96% Analysis Date = 07/06/00 Pct Recovery = 96% Analysis Date = 07/06/00 Pct Recovery = 96% Analysis Date = 07/05/00 Pct Recovery = 96% Analysis Date = 07/05/00 Pct Recovery = 96% Analysis Date = 07/04/00 Pct Recovery = 95% Analysis Date = 07/04/00 Pct Recovery = 95% Analysis Date = 07/02/00 Pct Recovery = 95% Analysis Date = 07/02/00 Pct Recovery = 95% Analysis Date = 07/01/00 Pct Recovery = 95% Analysis Date = 07/01/00 Pct Recovery = 95% Analysis Date = 06/30/00 Pct Recovery = 95% Analysis Date = 06/30/00 Pct Recovery = 95% Analysis Date = 06/28/00 Pct Recovery = 95% Analysis Date = 06/28/00 Pct Recovery = 95% Analysis Date = 06/27/00 Pct Recovery = 95% Analysis Date = 06/27/00 Pct Recovery = 95% Analysis Date = 06/26/00 Pct Recovery = 95% Analysis Date = 06/26/00 Pct Recovery = 95% Analysis Date = 06/24/00 Pct Recovery = 95% Analysis Date = 06/24/00 Pct Recovery = 95% Analysis Date = 06/23/00 Pct Recovery = 94% Analysis Date = 06/23/00 Pct Recovery = 94% Analysis Date = 06/22/00 Pct Recovery = 94% Analysis Date = 06/22/00 Pct Recovery = 94% Analysis Date = 06/20/00 Pct Recovery = 94% Analysis Date = 06/20/00 Pct Recovery = 94% Analysis Date = 06/19/00 Pct Recovery = 94% Analysis Date = 06/19/00 Pct Recovery = 94% Analysis Date = 06/18/00 Pct Recovery = 94% Analysis Date = 06/18/00 Pct Recovery = 94% Analysis Date = 06/16/00 Pct Recovery = 94% Analysis Date = 06/16/00 Pct Recovery = 94% Analysis Date = 06/15/00 Pct Recovery = 94% Analysis Date = 06/15/00 Pct Recovery = 94% Analysis Date = 06/14/00 Pct Recovery = 94% Analysis Date = 06/14/00 Pct Recovery = 94% Analysis Date = 06/12/00 Pct Recovery = 94% Analysis Date = 06/12/00 Pct Recovery = 94% Analysis Date = 06/11/00 Pct Recovery = 94% Analysis Date = 06/11/00 Pct Recovery = 94% Analysis Date = 06/10/00 Pct Recovery = 95% Analysis Date = 06/10/00 Pct Recovery = 95% Analysis Date = 06/08/00 Pct Recovery = 95% Analysis Date = 06/08/00 Pct Recovery = 95% Analysis Date = 06/07/00 Pct Recovery = 95% Analysis Date = 06/07/00 Pct Recovery = 95% Analysis Date = 06/06/00 Pct Recovery = 95% Analysis Date = 06/06/00 Pct Recovery = 95% Analysis Date = 06/04/00 Pct Recovery = 96% Analysis Date = 06/04/00 Pct Recovery = 96% Analysis Date = 06/03/00 Pct Recovery = 96% Analysis Date = 06/03/00 Pct Recovery = 96% Analysis Date = 06/02/00 Pct Recovery = 96% Analysis Date = 06/02/00 Pct Recovery = 96% Analysis Date = 05/31/00 Pct Recovery = 96% Analysis Date = 05/31/00 Pct Recovery = 96% Analysis Date = 05/30/00 Pct Recovery = 97% Analysis Date = 05/30/00 Pct Recovery = 97% Analysis Date = 05/29/00 Pct Recovery = 97% Analysis Date = 05/29/00 Pct Recovery = 97% Analysis Date = 05/27/00 Pct Recovery = 97% Analysis Date = 05/27/00 Pct Recovery = 97% Analysis Date = 05/26/00 Pct Recovery = 97% Analysis Date = 05/26/00 Pct Recovery = 97% Analysis Date = 05/25/00 Pct Recovery = 98% Analysis Date = 05/25/00 Pct Recovery = 98% Analysis Date = 05/24/00 Pct Recovery = 98% Analysis Date = 05/24/00 Pct Recovery = 98% Analysis Date = 05/22/00 Pct Recovery = 98% Analysis Date = 05/22/00 Pct Recovery = 98% Analysis Date = 05/21/00 Pct Recovery = 98% Analysis Date = 05/21/00 Pct Recovery = 98% Analysis Date = 05/20/00 Pct Recovery = 98% Analysis Date = 05/20/00 Pct Recovery = 98% Analysis Date = 05/18/00 Pct Recovery = 99% Analysis Date = 05/18/00 Pct Recovery = 99% Analysis Date = 05/17/00 Pct Recovery = 99% Analysis Date = 05/17/00 Pct Recovery = 99% Analysis Date = 05/16/00 Pct Recovery = 99% Analysis Date = 05/16/00 Pct Recovery = 99% Analysis Date = 05/14/00 Pct Recovery = 99% Analysis Date = 05/14/00 Pct Recovery = 99% Analysis Date = 05/13/00 Pct Recovery = 100% Analysis Date = 05/13/00 Pct Recovery = 100% Analysis Date = 05/12/00 Pct Recovery = 100% Analysis Date = 05/12/00 Pct Recovery = 100% Analysis Date = 05/10/00 Pct Recovery = 100% Analysis Date = 05/10/00 Pct Recovery = 100% Analysis Date = 05/09/00 Pct Recovery = 100% Analysis Date = 05/09/00 Pct Recovery = 100% Analysis Date = 05/08/00 Pct Recovery = 101% Analysis Date = 05/08/00 Pct Recovery = 101% Analysis Date = 05/06/00 Pct Recovery = 101% Analysis Date = 05/06/00 Pct Recovery = 101% Analysis Date = 05/05/00 Pct Recovery = 101% Analysis Date = 05/05/00 Pct Recovery = 101% Analysis Date = 05/04/00 Pct Recovery = 101% Analysis Date = 05/04/00 Pct Recovery = 101% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 05/01/00 Pct Recovery = 102% Analysis Date = 05/01/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/28/00 Pct Recovery = 102% Analysis Date = 04/28/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/26/00 Pct Recovery = 102% Analysis Date = 04/26/00 Pct Recovery = 102% Analysis Date = 04/24/00 Pct Recovery = 102% Analysis Date = 04/24/00 Pct Recovery = 102% Analysis Date = 04/23/00 Pct Recovery = 102% Analysis Date = 04/23/00 Pct Recovery = 102% Analysis Date = 04/22/00 Pct Recovery = 102% Analysis Date = 04/22/00 Pct Recovery = 102% Analysis Date = 04/20/00 Pct Recovery = 102% Analysis Date = 04/20/00 Pct Recovery = 102% Analysis Date = 04/19/00 Pct Recovery = 102% Analysis Date = 04/19/00 Pct Recovery = 102% Analysis Date = 04/18/00 Pct Recovery = 102% Analysis Date = 04/18/00 Pct Recovery = 102% Analysis Date = 04/16/00 Pct Recovery = 102% Analysis Date = 04/16/00 Pct Recovery = 102% Analysis Date = 04/15/00 Pct Recovery = 102% Analysis Date = 04/15/00 Pct Recovery = 102% Analysis Date = 04/14/00 Pct Recovery = 102% Analysis Date = 04/14/00 Pct Recovery = 102% Analysis Date = 04/12/00 Pct Recovery = 102% Analysis Date = 04/12/00 Pct Recovery = 102% Analysis Date = 04/11/00 Pct Recovery = 102% Analysis Date = 04/11/00 Pct Recovery = 102% Analysis Date = 04/10/00 Pct Recovery = 102% Analysis Date = 04/10/00 Pct Recovery = 102% Analysis Date = 04/08/00 Pct Recovery = 102% Analysis Date = 04/08/00 Pct Recovery = 102% Analysis Date = 04/07/00 Pct Recovery = 102% Analysis Date = 04/07/00 Pct Recovery = 102% Analysis Date = 04/06/00 Pct Recovery = 102% Analysis Date = 04/06/00 Pct Recovery = 102% Analysis Date = 04/04/00 Pct Recovery = 102% Analysis Date = 04/04/00 Pct Recovery = 102% Analysis Date = 04/03/00 Pct Recovery = 102% Analysis Date = 04/03/00 Pct Recovery = 102% Analysis Date = 04/02/00 Pct Recovery = 102% Analysis Date = 04/02/00 Pct Recovery = 102% Analysis Date = 03/31/00 Pct Recovery = 102% Analysis Date = 03/31/00 Pct Recovery = 102% Analysis Date = 03/30/00 Pct Recovery = 102% Analysis Date = 03/30/00 Pct Recovery = 102% Analysis Date = 03/29/00 Pct Recovery = 102% Analysis Date = 03/29/00 Pct Recovery = 102% Analysis Date = 03/27/00 Pct Recovery = 102% Analysis Date = 03/27/00 Pct Recovery = 102% Analysis Date = 03/26/00 Pct Recovery = 102% Analysis Date = 03/26/00 Pct Recovery = 102% Analysis Date = 03/25/00 Pct Recovery = 102% Analysis Date = 03/25/00 Pct Recovery = 102% Analysis Date = 03/23/00 Pct Recovery = 101% Analysis Date = 03/23/00 Pct Recovery = 101% Analysis Date = 03/22/00 Pct Recovery = 101% Analysis Date = 03/22/00 Pct Recovery = 101% Analysis Date = 03/21/00 Pct Recovery = 101% Analysis Date = 03/21/00 Pct Recovery = 101% Analysis Date = 03/19/00 Pct Recovery = 101% Analysis Date = 03/19/00 Pct Recovery = 101% Analysis Date = 03/18/00 Pct Recovery = 101% Analysis Date = 03/18/00 Pct Recovery = 101% Analysis Date = 03/17/00 Pct Recovery = 101% Analysis Date = 03/17/00 Pct Recovery = 101% Analysis Date = 03/15/00 Pct Recovery = 101% Analysis Date = 03/15/00 Pct Recovery = 101% Analysis Date = 03/14/00 Pct Recovery = 101% Analysis Date = 03/14/00 Pct Recovery = 101% Analysis Date = 03/13/00 Pct Recovery = 101% Analysis Date = 03/13/00 Pct Recovery = 101% Analysis Date = 03/11/00 Pct Recovery = 101% Analysis Date = 03/11/00 Pct Recovery = 101% Analysis Date = 03/10/00 Pct Recovery = 101% Analysis Date = 03/10/00 Pct Recovery = 101% Analysis Date = 03/09/00 Pct Recovery = 101% Analysis Date = 03/09/00 Pct Recovery = 101% Analysis Date = 03/07/00 Pct Recovery = 101% Analysis Date = 03/07/00 Pct Recovery = 101% Analysis Date = 03/06/00 Pct Recovery = 101% Analysis Date = 03/06/00 Pct Recovery = 101% Analysis Date = 03/05/00 Pct Recovery = 101% Analysis Date = 03/05/00 Pct Recovery = 101% Analysis Date = 03/03/00 Pct Recovery = 101% Analysis Date = 03/03/00 Pct Recovery = 101% Analysis Date = 03/02/00 Pct Recovery = 101% Analysis Date = 03/02/00 Pct Recovery = 101% Analysis Date = 03/01/00 Pct Recovery = 101% Analysis Date = 03/01/00 Pct Recovery = 101% Analysis Date = 02/28/00 Pct Recovery = 101% Analysis Date = 02/28/00 Pct Recovery = 101% Analysis Date = 02/27/00 Pct Recovery = 101% Analysis Date = 02/27/00 Pct Recovery = 101% Analysis Date = 02/26/00 Pct Recovery = 101% Analysis Date = 02/26/00 Pct Recovery = 101% Analysis Date = 02/25/00 Pct Recovery = 101% Analysis Date = 02/25/00 Pct Recovery = 101% Analysis Date = 02/23/00 Pct Recovery = 101% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,2,4-TRIMETHYLBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 99% 3% 99% 2%
Total 5 99% 3% 99% 2%

Sample Statistics
1,2,4-TRIMETHYLBENZENE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
1,2-DIBROMO-3-CHLOROPROPANE
METHOD: 4054 , TESTIDCODE: 82625GCM66
Open Data Set

Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 87% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 95% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 105% Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 102% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 117% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 98% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 88% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 88% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 84% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 97% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 98% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 103% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 80% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 105% Analysis Date = 10/03/03 Pct Recovery = 93% Analysis Date = 09/28/03 Pct Recovery = 94% Analysis Date = 09/28/03 Pct Recovery = 94% Analysis Date = 09/22/03 Pct Recovery = 95% Analysis Date = 09/22/03 Pct Recovery = 95% Analysis Date = 09/16/03 Pct Recovery = 95% Analysis Date = 09/16/03 Pct Recovery = 95% Analysis Date = 09/11/03 Pct Recovery = 96% Analysis Date = 09/11/03 Pct Recovery = 96% Analysis Date = 09/05/03 Pct Recovery = 96% Analysis Date = 09/05/03 Pct Recovery = 96% Analysis Date = 08/30/03 Pct Recovery = 97% Analysis Date = 08/30/03 Pct Recovery = 97% Analysis Date = 08/24/03 Pct Recovery = 97% Analysis Date = 08/24/03 Pct Recovery = 97% Analysis Date = 08/19/03 Pct Recovery = 98% Analysis Date = 08/19/03 Pct Recovery = 98% Analysis Date = 08/13/03 Pct Recovery = 99% Analysis Date = 08/13/03 Pct Recovery = 99% Analysis Date = 08/07/03 Pct Recovery = 99% Analysis Date = 08/07/03 Pct Recovery = 99% Analysis Date = 08/02/03 Pct Recovery = 100% Analysis Date = 08/02/03 Pct Recovery = 100% Analysis Date = 07/27/03 Pct Recovery = 100% Analysis Date = 07/27/03 Pct Recovery = 100% Analysis Date = 07/21/03 Pct Recovery = 101% Analysis Date = 07/21/03 Pct Recovery = 101% Analysis Date = 07/15/03 Pct Recovery = 101% Analysis Date = 07/15/03 Pct Recovery = 101% Analysis Date = 07/10/03 Pct Recovery = 102% Analysis Date = 07/10/03 Pct Recovery = 102% Analysis Date = 07/04/03 Pct Recovery = 102% Analysis Date = 07/04/03 Pct Recovery = 102% Analysis Date = 06/28/03 Pct Recovery = 103% Analysis Date = 06/28/03 Pct Recovery = 103% Analysis Date = 06/23/03 Pct Recovery = 103% Analysis Date = 06/23/03 Pct Recovery = 103% Analysis Date = 06/17/03 Pct Recovery = 103% Analysis Date = 06/17/03 Pct Recovery = 103% Analysis Date = 06/11/03 Pct Recovery = 104% Analysis Date = 06/11/03 Pct Recovery = 104% Analysis Date = 06/05/03 Pct Recovery = 104% Analysis Date = 06/05/03 Pct Recovery = 104% Analysis Date = 05/31/03 Pct Recovery = 105% Analysis Date = 05/31/03 Pct Recovery = 105% Analysis Date = 05/25/03 Pct Recovery = 105% Analysis Date = 05/25/03 Pct Recovery = 105% Analysis Date = 05/19/03 Pct Recovery = 105% Analysis Date = 05/19/03 Pct Recovery = 105% Analysis Date = 05/14/03 Pct Recovery = 106% Analysis Date = 05/14/03 Pct Recovery = 106% Analysis Date = 05/08/03 Pct Recovery = 105% Analysis Date = 05/08/03 Pct Recovery = 105% Analysis Date = 05/02/03 Pct Recovery = 105% Analysis Date = 05/02/03 Pct Recovery = 105% Analysis Date = 04/26/03 Pct Recovery = 105% Analysis Date = 04/26/03 Pct Recovery = 105% Analysis Date = 04/21/03 Pct Recovery = 105% Analysis Date = 04/21/03 Pct Recovery = 105% Analysis Date = 04/15/03 Pct Recovery = 104% Analysis Date = 04/15/03 Pct Recovery = 104% Analysis Date = 04/09/03 Pct Recovery = 104% Analysis Date = 04/09/03 Pct Recovery = 104% Analysis Date = 04/04/03 Pct Recovery = 104% Analysis Date = 04/04/03 Pct Recovery = 104% Analysis Date = 03/29/03 Pct Recovery = 104% Analysis Date = 03/29/03 Pct Recovery = 104% Analysis Date = 03/23/03 Pct Recovery = 103% Analysis Date = 03/23/03 Pct Recovery = 103% Analysis Date = 03/17/03 Pct Recovery = 103% Analysis Date = 03/17/03 Pct Recovery = 103% Analysis Date = 03/12/03 Pct Recovery = 103% Analysis Date = 03/12/03 Pct Recovery = 103% Analysis Date = 03/06/03 Pct Recovery = 103% Analysis Date = 03/06/03 Pct Recovery = 103% Analysis Date = 02/28/03 Pct Recovery = 102% Analysis Date = 02/28/03 Pct Recovery = 102% Analysis Date = 02/22/03 Pct Recovery = 102% Analysis Date = 02/22/03 Pct Recovery = 102% Analysis Date = 02/17/03 Pct Recovery = 102% Analysis Date = 02/17/03 Pct Recovery = 102% Analysis Date = 02/11/03 Pct Recovery = 101% Analysis Date = 02/11/03 Pct Recovery = 101% Analysis Date = 02/05/03 Pct Recovery = 101% Analysis Date = 02/05/03 Pct Recovery = 101% Analysis Date = 01/31/03 Pct Recovery = 101% Analysis Date = 01/31/03 Pct Recovery = 101% Analysis Date = 01/25/03 Pct Recovery = 101% Analysis Date = 01/25/03 Pct Recovery = 101% Analysis Date = 01/19/03 Pct Recovery = 100% Analysis Date = 01/19/03 Pct Recovery = 100% Analysis Date = 01/13/03 Pct Recovery = 100% Analysis Date = 01/13/03 Pct Recovery = 100% Analysis Date = 01/08/03 Pct Recovery = 100% Analysis Date = 01/08/03 Pct Recovery = 100% Analysis Date = 01/02/03 Pct Recovery = 100% Analysis Date = 01/02/03 Pct Recovery = 100% Analysis Date = 12/27/02 Pct Recovery = 99% Analysis Date = 12/27/02 Pct Recovery = 99% Analysis Date = 12/22/02 Pct Recovery = 99% Analysis Date = 12/22/02 Pct Recovery = 99% Analysis Date = 12/16/02 Pct Recovery = 99% Analysis Date = 12/16/02 Pct Recovery = 99% Analysis Date = 12/10/02 Pct Recovery = 99% Analysis Date = 12/10/02 Pct Recovery = 99% Analysis Date = 12/04/02 Pct Recovery = 98% Analysis Date = 12/04/02 Pct Recovery = 98% Analysis Date = 11/29/02 Pct Recovery = 98% Analysis Date = 11/29/02 Pct Recovery = 98% Analysis Date = 11/23/02 Pct Recovery = 98% Analysis Date = 11/23/02 Pct Recovery = 98% Analysis Date = 11/17/02 Pct Recovery = 98% Analysis Date = 11/17/02 Pct Recovery = 98% Analysis Date = 11/12/02 Pct Recovery = 97% Analysis Date = 11/12/02 Pct Recovery = 97% Analysis Date = 11/06/02 Pct Recovery = 97% Analysis Date = 11/06/02 Pct Recovery = 97% Analysis Date = 10/31/02 Pct Recovery = 97% Analysis Date = 10/31/02 Pct Recovery = 97% Analysis Date = 10/25/02 Pct Recovery = 96% Analysis Date = 10/25/02 Pct Recovery = 96% Analysis Date = 10/20/02 Pct Recovery = 96% Analysis Date = 10/20/02 Pct Recovery = 96% Analysis Date = 10/14/02 Pct Recovery = 96% Analysis Date = 10/14/02 Pct Recovery = 96% Analysis Date = 10/08/02 Pct Recovery = 96% Analysis Date = 10/08/02 Pct Recovery = 96% Analysis Date = 10/03/02 Pct Recovery = 95% Analysis Date = 10/03/02 Pct Recovery = 95% Analysis Date = 09/27/02 Pct Recovery = 95% Analysis Date = 09/27/02 Pct Recovery = 95% Analysis Date = 09/21/02 Pct Recovery = 95% Analysis Date = 09/21/02 Pct Recovery = 95% Analysis Date = 09/15/02 Pct Recovery = 95% Analysis Date = 09/15/02 Pct Recovery = 95% Analysis Date = 09/10/02 Pct Recovery = 94% Analysis Date = 09/10/02 Pct Recovery = 94% Analysis Date = 09/04/02 Pct Recovery = 94% Analysis Date = 09/04/02 Pct Recovery = 94% Analysis Date = 08/29/02 Pct Recovery = 94% Analysis Date = 08/29/02 Pct Recovery = 94% Analysis Date = 08/24/02 Pct Recovery = 94% Analysis Date = 08/24/02 Pct Recovery = 94% Analysis Date = 08/18/02 Pct Recovery = 93% Analysis Date = 08/18/02 Pct Recovery = 93% Analysis Date = 08/12/02 Pct Recovery = 93% Analysis Date = 08/12/02 Pct Recovery = 93% Analysis Date = 08/06/02 Pct Recovery = 93% Analysis Date = 08/06/02 Pct Recovery = 93% Analysis Date = 08/01/02 Pct Recovery = 93% Analysis Date = 08/01/02 Pct Recovery = 93% Analysis Date = 07/26/02 Pct Recovery = 92% Analysis Date = 07/26/02 Pct Recovery = 92% Analysis Date = 07/20/02 Pct Recovery = 92% Analysis Date = 07/20/02 Pct Recovery = 92% Analysis Date = 07/14/02 Pct Recovery = 92% Analysis Date = 07/14/02 Pct Recovery = 92% Analysis Date = 07/09/02 Pct Recovery = 92% Analysis Date = 07/09/02 Pct Recovery = 92% Analysis Date = 07/03/02 Pct Recovery = 92% Analysis Date = 07/03/02 Pct Recovery = 92% Analysis Date = 06/27/02 Pct Recovery = 91% Analysis Date = 06/27/02 Pct Recovery = 91% Analysis Date = 06/22/02 Pct Recovery = 91% Analysis Date = 06/22/02 Pct Recovery = 91% Analysis Date = 06/16/02 Pct Recovery = 91% Analysis Date = 06/16/02 Pct Recovery = 91% Analysis Date = 06/10/02 Pct Recovery = 91% Analysis Date = 06/10/02 Pct Recovery = 91% Analysis Date = 06/04/02 Pct Recovery = 91% Analysis Date = 06/04/02 Pct Recovery = 91% Analysis Date = 05/30/02 Pct Recovery = 91% Analysis Date = 05/30/02 Pct Recovery = 91% Analysis Date = 05/24/02 Pct Recovery = 91% Analysis Date = 05/24/02 Pct Recovery = 91% Analysis Date = 05/18/02 Pct Recovery = 91% Analysis Date = 05/18/02 Pct Recovery = 91% Analysis Date = 05/13/02 Pct Recovery = 91% Analysis Date = 05/13/02 Pct Recovery = 91% Analysis Date = 05/07/02 Pct Recovery = 91% Analysis Date = 05/07/02 Pct Recovery = 91% Analysis Date = 05/01/02 Pct Recovery = 91% Analysis Date = 05/01/02 Pct Recovery = 91% Analysis Date = 04/25/02 Pct Recovery = 91% Analysis Date = 04/25/02 Pct Recovery = 91% Analysis Date = 04/20/02 Pct Recovery = 91% Analysis Date = 04/20/02 Pct Recovery = 91% Analysis Date = 04/14/02 Pct Recovery = 91% Analysis Date = 04/14/02 Pct Recovery = 91% Analysis Date = 04/08/02 Pct Recovery = 91% Analysis Date = 04/08/02 Pct Recovery = 91% Analysis Date = 04/03/02 Pct Recovery = 91% Analysis Date = 04/03/02 Pct Recovery = 91% Analysis Date = 03/28/02 Pct Recovery = 91% Analysis Date = 03/28/02 Pct Recovery = 91% Analysis Date = 03/22/02 Pct Recovery = 92% Analysis Date = 03/22/02 Pct Recovery = 92% Analysis Date = 03/16/02 Pct Recovery = 92% Analysis Date = 03/16/02 Pct Recovery = 92% Analysis Date = 03/11/02 Pct Recovery = 92% Analysis Date = 03/11/02 Pct Recovery = 92% Analysis Date = 03/05/02 Pct Recovery = 92% Analysis Date = 03/05/02 Pct Recovery = 92% Analysis Date = 02/27/02 Pct Recovery = 92% Analysis Date = 02/27/02 Pct Recovery = 92% Analysis Date = 02/22/02 Pct Recovery = 92% Analysis Date = 02/22/02 Pct Recovery = 92% Analysis Date = 02/16/02 Pct Recovery = 92% Analysis Date = 02/16/02 Pct Recovery = 92% Analysis Date = 02/10/02 Pct Recovery = 92% Analysis Date = 02/10/02 Pct Recovery = 92% Analysis Date = 02/04/02 Pct Recovery = 92% Analysis Date = 02/04/02 Pct Recovery = 92% Analysis Date = 01/30/02 Pct Recovery = 92% Analysis Date = 01/30/02 Pct Recovery = 92% Analysis Date = 01/24/02 Pct Recovery = 92% Analysis Date = 01/24/02 Pct Recovery = 92% Analysis Date = 01/18/02 Pct Recovery = 92% Analysis Date = 01/18/02 Pct Recovery = 92% Analysis Date = 01/13/02 Pct Recovery = 92% Analysis Date = 01/13/02 Pct Recovery = 92% Analysis Date = 01/07/02 Pct Recovery = 92% Analysis Date = 01/07/02 Pct Recovery = 92% Analysis Date = 01/01/02 Pct Recovery = 92% Analysis Date = 01/01/02 Pct Recovery = 92% Analysis Date = 12/26/01 Pct Recovery = 92% Analysis Date = 12/26/01 Pct Recovery = 92% Analysis Date = 12/21/01 Pct Recovery = 92% Analysis Date = 12/21/01 Pct Recovery = 92% Analysis Date = 12/15/01 Pct Recovery = 92% Analysis Date = 12/15/01 Pct Recovery = 92% Analysis Date = 12/09/01 Pct Recovery = 93% Analysis Date = 12/09/01 Pct Recovery = 93% Analysis Date = 12/03/01 Pct Recovery = 93% Analysis Date = 12/03/01 Pct Recovery = 93% Analysis Date = 11/28/01 Pct Recovery = 93% Analysis Date = 11/28/01 Pct Recovery = 93% Analysis Date = 11/22/01 Pct Recovery = 93% Analysis Date = 11/22/01 Pct Recovery = 93% Analysis Date = 11/16/01 Pct Recovery = 93% Analysis Date = 11/16/01 Pct Recovery = 93% Analysis Date = 11/11/01 Pct Recovery = 93% Analysis Date = 11/11/01 Pct Recovery = 93% Analysis Date = 11/05/01 Pct Recovery = 93% Analysis Date = 11/05/01 Pct Recovery = 93% Analysis Date = 10/30/01 Pct Recovery = 93% Analysis Date = 10/30/01 Pct Recovery = 93% Analysis Date = 10/24/01 Pct Recovery = 93% Analysis Date = 10/24/01 Pct Recovery = 93% Analysis Date = 10/19/01 Pct Recovery = 93% Analysis Date = 10/19/01 Pct Recovery = 93% Analysis Date = 10/13/01 Pct Recovery = 93% Analysis Date = 10/13/01 Pct Recovery = 93% Analysis Date = 10/07/01 Pct Recovery = 93% Analysis Date = 10/07/01 Pct Recovery = 93% Analysis Date = 10/02/01 Pct Recovery = 93% Analysis Date = 10/02/01 Pct Recovery = 93% Analysis Date = 09/26/01 Pct Recovery = 93% Analysis Date = 09/26/01 Pct Recovery = 93% Analysis Date = 09/20/01 Pct Recovery = 93% Analysis Date = 09/20/01 Pct Recovery = 93% Analysis Date = 09/14/01 Pct Recovery = 93% Analysis Date = 09/14/01 Pct Recovery = 93% Analysis Date = 09/09/01 Pct Recovery = 94% Analysis Date = 09/09/01 Pct Recovery = 94% Analysis Date = 09/03/01 Pct Recovery = 94% Analysis Date = 09/03/01 Pct Recovery = 94% Analysis Date = 08/28/01 Pct Recovery = 94% Analysis Date = 08/28/01 Pct Recovery = 94% Analysis Date = 08/23/01 Pct Recovery = 94% Analysis Date = 08/23/01 Pct Recovery = 94% Analysis Date = 08/17/01 Pct Recovery = 94% Analysis Date = 08/17/01 Pct Recovery = 94% Analysis Date = 08/11/01 Pct Recovery = 94% Analysis Date = 08/11/01 Pct Recovery = 94% Analysis Date = 08/05/01 Pct Recovery = 94% Analysis Date = 08/05/01 Pct Recovery = 94% Analysis Date = 07/31/01 Pct Recovery = 94% Analysis Date = 07/31/01 Pct Recovery = 94% Analysis Date = 07/25/01 Pct Recovery = 94% Analysis Date = 07/25/01 Pct Recovery = 94% Analysis Date = 07/19/01 Pct Recovery = 94% Analysis Date = 07/19/01 Pct Recovery = 94% Analysis Date = 07/14/01 Pct Recovery = 94% Analysis Date = 07/14/01 Pct Recovery = 94% Analysis Date = 07/08/01 Pct Recovery = 94% Analysis Date = 07/08/01 Pct Recovery = 94% Analysis Date = 07/02/01 Pct Recovery = 94% Analysis Date = 07/02/01 Pct Recovery = 94% Analysis Date = 06/26/01 Pct Recovery = 94% Analysis Date = 06/26/01 Pct Recovery = 94% Analysis Date = 06/21/01 Pct Recovery = 94% Analysis Date = 06/21/01 Pct Recovery = 94% Analysis Date = 06/15/01 Pct Recovery = 95% Analysis Date = 06/15/01 Pct Recovery = 95% Analysis Date = 06/09/01 Pct Recovery = 95% Analysis Date = 06/09/01 Pct Recovery = 95% Analysis Date = 06/04/01 Pct Recovery = 95% Analysis Date = 06/04/01 Pct Recovery = 95% Analysis Date = 05/29/01 Pct Recovery = 95% Analysis Date = 05/29/01 Pct Recovery = 95% Analysis Date = 05/23/01 Pct Recovery = 95% Analysis Date = 05/23/01 Pct Recovery = 95% Analysis Date = 05/17/01 Pct Recovery = 95% Analysis Date = 05/17/01 Pct Recovery = 95% Analysis Date = 05/12/01 Pct Recovery = 95% Analysis Date = 05/12/01 Pct Recovery = 95% Analysis Date = 05/06/01 Pct Recovery = 95% Analysis Date = 05/06/01 Pct Recovery = 95% Analysis Date = 04/30/01 Pct Recovery = 95% Analysis Date = 04/30/01 Pct Recovery = 95% Analysis Date = 04/24/01 Pct Recovery = 95% Analysis Date = 04/24/01 Pct Recovery = 95% Analysis Date = 04/19/01 Pct Recovery = 95% Analysis Date = 04/19/01 Pct Recovery = 95% Analysis Date = 04/13/01 Pct Recovery = 95% Analysis Date = 04/13/01 Pct Recovery = 95% Analysis Date = 04/07/01 Pct Recovery = 95% Analysis Date = 04/07/01 Pct Recovery = 95% Analysis Date = 04/02/01 Pct Recovery = 95% Analysis Date = 04/02/01 Pct Recovery = 95% Analysis Date = 03/27/01 Pct Recovery = 95% Analysis Date = 03/27/01 Pct Recovery = 95% Analysis Date = 03/21/01 Pct Recovery = 95% Analysis Date = 03/21/01 Pct Recovery = 95% Analysis Date = 03/15/01 Pct Recovery = 96% Analysis Date = 03/15/01 Pct Recovery = 96% Analysis Date = 03/10/01 Pct Recovery = 96% Analysis Date = 03/10/01 Pct Recovery = 96% Analysis Date = 03/04/01 Pct Recovery = 96% Analysis Date = 03/04/01 Pct Recovery = 96% Analysis Date = 02/26/01 Pct Recovery = 96% Analysis Date = 02/26/01 Pct Recovery = 96% Analysis Date = 02/21/01 Pct Recovery = 96% Analysis Date = 02/21/01 Pct Recovery = 96% Analysis Date = 02/15/01 Pct Recovery = 96% Analysis Date = 02/15/01 Pct Recovery = 96% Analysis Date = 02/09/01 Pct Recovery = 96% Analysis Date = 02/09/01 Pct Recovery = 96% Analysis Date = 02/03/01 Pct Recovery = 96% Analysis Date = 02/03/01 Pct Recovery = 96% Analysis Date = 01/29/01 Pct Recovery = 96% Analysis Date = 01/29/01 Pct Recovery = 96% Analysis Date = 01/23/01 Pct Recovery = 96% Analysis Date = 01/23/01 Pct Recovery = 96% Analysis Date = 01/17/01 Pct Recovery = 96% Analysis Date = 01/17/01 Pct Recovery = 96% Analysis Date = 01/12/01 Pct Recovery = 96% Analysis Date = 01/12/01 Pct Recovery = 96% Analysis Date = 01/06/01 Pct Recovery = 96% Analysis Date = 01/06/01 Pct Recovery = 96% Analysis Date = 12/31/00 Pct Recovery = 96% Analysis Date = 12/31/00 Pct Recovery = 96% Analysis Date = 12/25/00 Pct Recovery = 96% Analysis Date = 12/25/00 Pct Recovery = 96% Analysis Date = 12/20/00 Pct Recovery = 97% Analysis Date = 12/20/00 Pct Recovery = 97% Analysis Date = 12/14/00 Pct Recovery = 97% Analysis Date = 12/14/00 Pct Recovery = 97% Analysis Date = 12/08/00 Pct Recovery = 97% Analysis Date = 12/08/00 Pct Recovery = 97% Analysis Date = 12/03/00 Pct Recovery = 97% Analysis Date = 12/03/00 Pct Recovery = 97% Analysis Date = 11/27/00 Pct Recovery = 97% Analysis Date = 11/27/00 Pct Recovery = 97% Analysis Date = 11/21/00 Pct Recovery = 97% Analysis Date = 11/21/00 Pct Recovery = 97% Analysis Date = 11/15/00 Pct Recovery = 97% Analysis Date = 11/15/00 Pct Recovery = 97% Analysis Date = 11/10/00 Pct Recovery = 97% Analysis Date = 11/10/00 Pct Recovery = 97% Analysis Date = 11/04/00 Pct Recovery = 97% Analysis Date = 11/04/00 Pct Recovery = 97% Analysis Date = 10/29/00 Pct Recovery = 97% Analysis Date = 10/29/00 Pct Recovery = 97% Analysis Date = 10/24/00 Pct Recovery = 97% Analysis Date = 10/24/00 Pct Recovery = 97% Analysis Date = 10/18/00 Pct Recovery = 97% Analysis Date = 10/18/00 Pct Recovery = 97% Analysis Date = 10/12/00 Pct Recovery = 97% Analysis Date = 10/12/00 Pct Recovery = 97% Analysis Date = 10/06/00 Pct Recovery = 97% Analysis Date = 10/06/00 Pct Recovery = 97% Analysis Date = 10/01/00 Pct Recovery = 97% Analysis Date = 10/01/00 Pct Recovery = 97% Analysis Date = 09/25/00 Pct Recovery = 97% Analysis Date = 09/25/00 Pct Recovery = 97% Analysis Date = 09/19/00 Pct Recovery = 97% Analysis Date = 09/19/00 Pct Recovery = 97% Analysis Date = 09/13/00 Pct Recovery = 97% Analysis Date = 09/13/00 Pct Recovery = 97% Analysis Date = 09/08/00 Pct Recovery = 98% Analysis Date = 09/08/00 Pct Recovery = 98% Analysis Date = 09/02/00 Pct Recovery = 98% Analysis Date = 09/02/00 Pct Recovery = 98% Analysis Date = 08/27/00 Pct Recovery = 98% Analysis Date = 08/27/00 Pct Recovery = 98% Analysis Date = 08/22/00 Pct Recovery = 98% Analysis Date = 08/22/00 Pct Recovery = 98% Analysis Date = 08/16/00 Pct Recovery = 98% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,2-DIBROMO-3-CHLOROPROPANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 14 96% 10% 97% 12%
Total 14 96% 10% 97% 12%

Sample Statistics
1,2-DIBROMO-3-CHLOROPROPANE

Characteristic N % % Basis
Plotted 14 70% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 6 30% Spiked
Spiked 20 .  
False Negatives 0 0% 0 out of 20
Not Spiked 16 .  
False Positives 0 0% 0 out of 16

BQS OBSP Determination:
1,2-DIBROMOETHANE
METHOD: 4054 , TESTIDCODE: 77651GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 101% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 101% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 92% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 87% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 93% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 104% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 119% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 105% Analysis Date = 11/15/00 Pct Recovery = 100% Analysis Date = 11/13/00 Pct Recovery = 100% Analysis Date = 11/13/00 Pct Recovery = 100% Analysis Date = 11/12/00 Pct Recovery = 100% Analysis Date = 11/12/00 Pct Recovery = 100% Analysis Date = 11/11/00 Pct Recovery = 99% Analysis Date = 11/11/00 Pct Recovery = 99% Analysis Date = 11/10/00 Pct Recovery = 99% Analysis Date = 11/10/00 Pct Recovery = 99% Analysis Date = 11/08/00 Pct Recovery = 99% Analysis Date = 11/08/00 Pct Recovery = 99% Analysis Date = 11/07/00 Pct Recovery = 99% Analysis Date = 11/07/00 Pct Recovery = 99% Analysis Date = 11/06/00 Pct Recovery = 99% Analysis Date = 11/06/00 Pct Recovery = 99% Analysis Date = 11/04/00 Pct Recovery = 99% Analysis Date = 11/04/00 Pct Recovery = 99% Analysis Date = 11/03/00 Pct Recovery = 99% Analysis Date = 11/03/00 Pct Recovery = 99% Analysis Date = 11/02/00 Pct Recovery = 99% Analysis Date = 11/02/00 Pct Recovery = 99% Analysis Date = 10/31/00 Pct Recovery = 99% Analysis Date = 10/31/00 Pct Recovery = 99% Analysis Date = 10/30/00 Pct Recovery = 98% Analysis Date = 10/30/00 Pct Recovery = 98% Analysis Date = 10/29/00 Pct Recovery = 98% Analysis Date = 10/29/00 Pct Recovery = 98% Analysis Date = 10/27/00 Pct Recovery = 98% Analysis Date = 10/27/00 Pct Recovery = 98% Analysis Date = 10/26/00 Pct Recovery = 98% Analysis Date = 10/26/00 Pct Recovery = 98% Analysis Date = 10/25/00 Pct Recovery = 98% Analysis Date = 10/25/00 Pct Recovery = 98% Analysis Date = 10/23/00 Pct Recovery = 98% Analysis Date = 10/23/00 Pct Recovery = 98% Analysis Date = 10/22/00 Pct Recovery = 98% Analysis Date = 10/22/00 Pct Recovery = 98% Analysis Date = 10/21/00 Pct Recovery = 98% Analysis Date = 10/21/00 Pct Recovery = 98% Analysis Date = 10/19/00 Pct Recovery = 97% Analysis Date = 10/19/00 Pct Recovery = 97% Analysis Date = 10/18/00 Pct Recovery = 97% Analysis Date = 10/18/00 Pct Recovery = 97% Analysis Date = 10/17/00 Pct Recovery = 97% Analysis Date = 10/17/00 Pct Recovery = 97% Analysis Date = 10/15/00 Pct Recovery = 97% Analysis Date = 10/15/00 Pct Recovery = 97% Analysis Date = 10/14/00 Pct Recovery = 97% Analysis Date = 10/14/00 Pct Recovery = 97% Analysis Date = 10/13/00 Pct Recovery = 97% Analysis Date = 10/13/00 Pct Recovery = 97% Analysis Date = 10/11/00 Pct Recovery = 97% Analysis Date = 10/11/00 Pct Recovery = 97% Analysis Date = 10/10/00 Pct Recovery = 97% Analysis Date = 10/10/00 Pct Recovery = 97% Analysis Date = 10/09/00 Pct Recovery = 96% Analysis Date = 10/09/00 Pct Recovery = 96% Analysis Date = 10/07/00 Pct Recovery = 96% Analysis Date = 10/07/00 Pct Recovery = 96% Analysis Date = 10/06/00 Pct Recovery = 96% Analysis Date = 10/06/00 Pct Recovery = 96% Analysis Date = 10/05/00 Pct Recovery = 96% Analysis Date = 10/05/00 Pct Recovery = 96% Analysis Date = 10/03/00 Pct Recovery = 96% Analysis Date = 10/03/00 Pct Recovery = 96% Analysis Date = 10/02/00 Pct Recovery = 96% Analysis Date = 10/02/00 Pct Recovery = 96% Analysis Date = 10/01/00 Pct Recovery = 96% Analysis Date = 10/01/00 Pct Recovery = 96% Analysis Date = 09/29/00 Pct Recovery = 96% Analysis Date = 09/29/00 Pct Recovery = 96% Analysis Date = 09/28/00 Pct Recovery = 96% Analysis Date = 09/28/00 Pct Recovery = 96% Analysis Date = 09/27/00 Pct Recovery = 96% Analysis Date = 09/27/00 Pct Recovery = 96% Analysis Date = 09/25/00 Pct Recovery = 96% Analysis Date = 09/25/00 Pct Recovery = 96% Analysis Date = 09/24/00 Pct Recovery = 96% Analysis Date = 09/24/00 Pct Recovery = 96% Analysis Date = 09/23/00 Pct Recovery = 96% Analysis Date = 09/23/00 Pct Recovery = 96% Analysis Date = 09/21/00 Pct Recovery = 96% Analysis Date = 09/21/00 Pct Recovery = 96% Analysis Date = 09/20/00 Pct Recovery = 96% Analysis Date = 09/20/00 Pct Recovery = 96% Analysis Date = 09/19/00 Pct Recovery = 96% Analysis Date = 09/19/00 Pct Recovery = 96% Analysis Date = 09/17/00 Pct Recovery = 96% Analysis Date = 09/17/00 Pct Recovery = 96% Analysis Date = 09/16/00 Pct Recovery = 96% Analysis Date = 09/16/00 Pct Recovery = 96% Analysis Date = 09/15/00 Pct Recovery = 96% Analysis Date = 09/15/00 Pct Recovery = 96% Analysis Date = 09/13/00 Pct Recovery = 96% Analysis Date = 09/13/00 Pct Recovery = 96% Analysis Date = 09/12/00 Pct Recovery = 96% Analysis Date = 09/12/00 Pct Recovery = 96% Analysis Date = 09/11/00 Pct Recovery = 96% Analysis Date = 09/11/00 Pct Recovery = 96% Analysis Date = 09/09/00 Pct Recovery = 96% Analysis Date = 09/09/00 Pct Recovery = 96% Analysis Date = 09/08/00 Pct Recovery = 96% Analysis Date = 09/08/00 Pct Recovery = 96% Analysis Date = 09/07/00 Pct Recovery = 96% Analysis Date = 09/07/00 Pct Recovery = 96% Analysis Date = 09/05/00 Pct Recovery = 96% Analysis Date = 09/05/00 Pct Recovery = 96% Analysis Date = 09/04/00 Pct Recovery = 96% Analysis Date = 09/04/00 Pct Recovery = 96% Analysis Date = 09/03/00 Pct Recovery = 96% Analysis Date = 09/03/00 Pct Recovery = 96% Analysis Date = 09/01/00 Pct Recovery = 96% Analysis Date = 09/01/00 Pct Recovery = 96% Analysis Date = 08/31/00 Pct Recovery = 96% Analysis Date = 08/31/00 Pct Recovery = 96% Analysis Date = 08/30/00 Pct Recovery = 96% Analysis Date = 08/30/00 Pct Recovery = 96% Analysis Date = 08/28/00 Pct Recovery = 96% Analysis Date = 08/28/00 Pct Recovery = 96% Analysis Date = 08/27/00 Pct Recovery = 96% Analysis Date = 08/27/00 Pct Recovery = 96% Analysis Date = 08/26/00 Pct Recovery = 96% Analysis Date = 08/26/00 Pct Recovery = 96% Analysis Date = 08/24/00 Pct Recovery = 95% Analysis Date = 08/24/00 Pct Recovery = 95% Analysis Date = 08/23/00 Pct Recovery = 95% Analysis Date = 08/23/00 Pct Recovery = 95% Analysis Date = 08/22/00 Pct Recovery = 95% Analysis Date = 08/22/00 Pct Recovery = 95% Analysis Date = 08/20/00 Pct Recovery = 95% Analysis Date = 08/20/00 Pct Recovery = 95% Analysis Date = 08/19/00 Pct Recovery = 95% Analysis Date = 08/19/00 Pct Recovery = 95% Analysis Date = 08/18/00 Pct Recovery = 95% Analysis Date = 08/18/00 Pct Recovery = 95% Analysis Date = 08/17/00 Pct Recovery = 95% Analysis Date = 08/17/00 Pct Recovery = 95% Analysis Date = 08/15/00 Pct Recovery = 95% Analysis Date = 08/15/00 Pct Recovery = 95% Analysis Date = 08/14/00 Pct Recovery = 95% Analysis Date = 08/14/00 Pct Recovery = 95% Analysis Date = 08/13/00 Pct Recovery = 95% Analysis Date = 08/13/00 Pct Recovery = 95% Analysis Date = 08/11/00 Pct Recovery = 95% Analysis Date = 08/11/00 Pct Recovery = 95% Analysis Date = 08/10/00 Pct Recovery = 95% Analysis Date = 08/10/00 Pct Recovery = 95% Analysis Date = 08/09/00 Pct Recovery = 95% Analysis Date = 08/09/00 Pct Recovery = 95% Analysis Date = 08/07/00 Pct Recovery = 95% Analysis Date = 08/07/00 Pct Recovery = 95% Analysis Date = 08/06/00 Pct Recovery = 96% Analysis Date = 08/06/00 Pct Recovery = 96% Analysis Date = 08/05/00 Pct Recovery = 96% Analysis Date = 08/05/00 Pct Recovery = 96% Analysis Date = 08/03/00 Pct Recovery = 96% Analysis Date = 08/03/00 Pct Recovery = 96% Analysis Date = 08/02/00 Pct Recovery = 96% Analysis Date = 08/02/00 Pct Recovery = 96% Analysis Date = 08/01/00 Pct Recovery = 96% Analysis Date = 08/01/00 Pct Recovery = 96% Analysis Date = 07/30/00 Pct Recovery = 96% Analysis Date = 07/30/00 Pct Recovery = 96% Analysis Date = 07/29/00 Pct Recovery = 96% Analysis Date = 07/29/00 Pct Recovery = 96% Analysis Date = 07/28/00 Pct Recovery = 96% Analysis Date = 07/28/00 Pct Recovery = 96% Analysis Date = 07/26/00 Pct Recovery = 96% Analysis Date = 07/26/00 Pct Recovery = 96% Analysis Date = 07/25/00 Pct Recovery = 96% Analysis Date = 07/25/00 Pct Recovery = 96% Analysis Date = 07/24/00 Pct Recovery = 96% Analysis Date = 07/24/00 Pct Recovery = 96% Analysis Date = 07/22/00 Pct Recovery = 96% Analysis Date = 07/22/00 Pct Recovery = 96% Analysis Date = 07/21/00 Pct Recovery = 96% Analysis Date = 07/21/00 Pct Recovery = 96% Analysis Date = 07/20/00 Pct Recovery = 97% Analysis Date = 07/20/00 Pct Recovery = 97% Analysis Date = 07/18/00 Pct Recovery = 97% Analysis Date = 07/18/00 Pct Recovery = 97% Analysis Date = 07/17/00 Pct Recovery = 97% Analysis Date = 07/17/00 Pct Recovery = 97% Analysis Date = 07/16/00 Pct Recovery = 97% Analysis Date = 07/16/00 Pct Recovery = 97% Analysis Date = 07/14/00 Pct Recovery = 98% Analysis Date = 07/14/00 Pct Recovery = 98% Analysis Date = 07/13/00 Pct Recovery = 98% Analysis Date = 07/13/00 Pct Recovery = 98% Analysis Date = 07/12/00 Pct Recovery = 98% Analysis Date = 07/12/00 Pct Recovery = 98% Analysis Date = 07/10/00 Pct Recovery = 98% Analysis Date = 07/10/00 Pct Recovery = 98% Analysis Date = 07/09/00 Pct Recovery = 99% Analysis Date = 07/09/00 Pct Recovery = 99% Analysis Date = 07/08/00 Pct Recovery = 99% Analysis Date = 07/08/00 Pct Recovery = 99% Analysis Date = 07/06/00 Pct Recovery = 99% Analysis Date = 07/06/00 Pct Recovery = 99% Analysis Date = 07/05/00 Pct Recovery = 99% Analysis Date = 07/05/00 Pct Recovery = 99% Analysis Date = 07/04/00 Pct Recovery = 100% Analysis Date = 07/04/00 Pct Recovery = 100% Analysis Date = 07/02/00 Pct Recovery = 100% Analysis Date = 07/02/00 Pct Recovery = 100% Analysis Date = 07/01/00 Pct Recovery = 100% Analysis Date = 07/01/00 Pct Recovery = 100% Analysis Date = 06/30/00 Pct Recovery = 100% Analysis Date = 06/30/00 Pct Recovery = 100% Analysis Date = 06/28/00 Pct Recovery = 101% Analysis Date = 06/28/00 Pct Recovery = 101% Analysis Date = 06/27/00 Pct Recovery = 101% Analysis Date = 06/27/00 Pct Recovery = 101% Analysis Date = 06/26/00 Pct Recovery = 101% Analysis Date = 06/26/00 Pct Recovery = 101% Analysis Date = 06/24/00 Pct Recovery = 101% Analysis Date = 06/24/00 Pct Recovery = 101% Analysis Date = 06/23/00 Pct Recovery = 102% Analysis Date = 06/23/00 Pct Recovery = 102% Analysis Date = 06/22/00 Pct Recovery = 102% Analysis Date = 06/22/00 Pct Recovery = 102% Analysis Date = 06/20/00 Pct Recovery = 102% Analysis Date = 06/20/00 Pct Recovery = 102% Analysis Date = 06/19/00 Pct Recovery = 102% Analysis Date = 06/19/00 Pct Recovery = 102% Analysis Date = 06/18/00 Pct Recovery = 103% Analysis Date = 06/18/00 Pct Recovery = 103% Analysis Date = 06/16/00 Pct Recovery = 103% Analysis Date = 06/16/00 Pct Recovery = 103% Analysis Date = 06/15/00 Pct Recovery = 103% Analysis Date = 06/15/00 Pct Recovery = 103% Analysis Date = 06/14/00 Pct Recovery = 103% Analysis Date = 06/14/00 Pct Recovery = 103% Analysis Date = 06/12/00 Pct Recovery = 103% Analysis Date = 06/12/00 Pct Recovery = 103% Analysis Date = 06/11/00 Pct Recovery = 104% Analysis Date = 06/11/00 Pct Recovery = 104% Analysis Date = 06/10/00 Pct Recovery = 104% Analysis Date = 06/10/00 Pct Recovery = 104% Analysis Date = 06/08/00 Pct Recovery = 104% Analysis Date = 06/08/00 Pct Recovery = 104% Analysis Date = 06/07/00 Pct Recovery = 104% Analysis Date = 06/07/00 Pct Recovery = 104% Analysis Date = 06/06/00 Pct Recovery = 105% Analysis Date = 06/06/00 Pct Recovery = 105% Analysis Date = 06/04/00 Pct Recovery = 105% Analysis Date = 06/04/00 Pct Recovery = 105% Analysis Date = 06/03/00 Pct Recovery = 105% Analysis Date = 06/03/00 Pct Recovery = 105% Analysis Date = 06/02/00 Pct Recovery = 105% Analysis Date = 06/02/00 Pct Recovery = 105% Analysis Date = 05/31/00 Pct Recovery = 105% Analysis Date = 05/31/00 Pct Recovery = 105% Analysis Date = 05/30/00 Pct Recovery = 106% Analysis Date = 05/30/00 Pct Recovery = 106% Analysis Date = 05/29/00 Pct Recovery = 106% Analysis Date = 05/29/00 Pct Recovery = 106% Analysis Date = 05/27/00 Pct Recovery = 106% Analysis Date = 05/27/00 Pct Recovery = 106% Analysis Date = 05/26/00 Pct Recovery = 106% Analysis Date = 05/26/00 Pct Recovery = 106% Analysis Date = 05/25/00 Pct Recovery = 106% Analysis Date = 05/25/00 Pct Recovery = 106% Analysis Date = 05/24/00 Pct Recovery = 107% Analysis Date = 05/24/00 Pct Recovery = 107% Analysis Date = 05/22/00 Pct Recovery = 107% Analysis Date = 05/22/00 Pct Recovery = 107% Analysis Date = 05/21/00 Pct Recovery = 107% Analysis Date = 05/21/00 Pct Recovery = 107% Analysis Date = 05/20/00 Pct Recovery = 107% Analysis Date = 05/20/00 Pct Recovery = 107% Analysis Date = 05/18/00 Pct Recovery = 108% Analysis Date = 05/18/00 Pct Recovery = 108% Analysis Date = 05/17/00 Pct Recovery = 108% Analysis Date = 05/17/00 Pct Recovery = 108% Analysis Date = 05/16/00 Pct Recovery = 108% Analysis Date = 05/16/00 Pct Recovery = 108% Analysis Date = 05/14/00 Pct Recovery = 108% Analysis Date = 05/14/00 Pct Recovery = 108% Analysis Date = 05/13/00 Pct Recovery = 108% Analysis Date = 05/13/00 Pct Recovery = 108% Analysis Date = 05/12/00 Pct Recovery = 109% Analysis Date = 05/12/00 Pct Recovery = 109% Analysis Date = 05/10/00 Pct Recovery = 109% Analysis Date = 05/10/00 Pct Recovery = 109% Analysis Date = 05/09/00 Pct Recovery = 109% Analysis Date = 05/09/00 Pct Recovery = 109% Analysis Date = 05/08/00 Pct Recovery = 109% Analysis Date = 05/08/00 Pct Recovery = 109% Analysis Date = 05/06/00 Pct Recovery = 109% Analysis Date = 05/06/00 Pct Recovery = 109% Analysis Date = 05/05/00 Pct Recovery = 110% Analysis Date = 05/05/00 Pct Recovery = 110% Analysis Date = 05/04/00 Pct Recovery = 110% Analysis Date = 05/04/00 Pct Recovery = 110% Analysis Date = 05/02/00 Pct Recovery = 110% Analysis Date = 05/02/00 Pct Recovery = 110% Analysis Date = 05/01/00 Pct Recovery = 110% Analysis Date = 05/01/00 Pct Recovery = 110% Analysis Date = 04/30/00 Pct Recovery = 111% Analysis Date = 04/30/00 Pct Recovery = 111% Analysis Date = 04/28/00 Pct Recovery = 111% Analysis Date = 04/28/00 Pct Recovery = 111% Analysis Date = 04/27/00 Pct Recovery = 111% Analysis Date = 04/27/00 Pct Recovery = 111% Analysis Date = 04/26/00 Pct Recovery = 111% Analysis Date = 04/26/00 Pct Recovery = 111% Analysis Date = 04/24/00 Pct Recovery = 110% Analysis Date = 04/24/00 Pct Recovery = 110% Analysis Date = 04/23/00 Pct Recovery = 110% Analysis Date = 04/23/00 Pct Recovery = 110% Analysis Date = 04/22/00 Pct Recovery = 110% Analysis Date = 04/22/00 Pct Recovery = 110% Analysis Date = 04/20/00 Pct Recovery = 110% Analysis Date = 04/20/00 Pct Recovery = 110% Analysis Date = 04/19/00 Pct Recovery = 109% Analysis Date = 04/19/00 Pct Recovery = 109% Analysis Date = 04/18/00 Pct Recovery = 109% Analysis Date = 04/18/00 Pct Recovery = 109% Analysis Date = 04/16/00 Pct Recovery = 109% Analysis Date = 04/16/00 Pct Recovery = 109% Analysis Date = 04/15/00 Pct Recovery = 109% Analysis Date = 04/15/00 Pct Recovery = 109% Analysis Date = 04/14/00 Pct Recovery = 108% Analysis Date = 04/14/00 Pct Recovery = 108% Analysis Date = 04/12/00 Pct Recovery = 108% Analysis Date = 04/12/00 Pct Recovery = 108% Analysis Date = 04/11/00 Pct Recovery = 108% Analysis Date = 04/11/00 Pct Recovery = 108% Analysis Date = 04/10/00 Pct Recovery = 108% Analysis Date = 04/10/00 Pct Recovery = 108% Analysis Date = 04/08/00 Pct Recovery = 107% Analysis Date = 04/08/00 Pct Recovery = 107% Analysis Date = 04/07/00 Pct Recovery = 107% Analysis Date = 04/07/00 Pct Recovery = 107% Analysis Date = 04/06/00 Pct Recovery = 107% Analysis Date = 04/06/00 Pct Recovery = 107% Analysis Date = 04/04/00 Pct Recovery = 107% Analysis Date = 04/04/00 Pct Recovery = 107% Analysis Date = 04/03/00 Pct Recovery = 106% Analysis Date = 04/03/00 Pct Recovery = 106% Analysis Date = 04/02/00 Pct Recovery = 106% Analysis Date = 04/02/00 Pct Recovery = 106% Analysis Date = 03/31/00 Pct Recovery = 106% Analysis Date = 03/31/00 Pct Recovery = 106% Analysis Date = 03/30/00 Pct Recovery = 106% Analysis Date = 03/30/00 Pct Recovery = 106% Analysis Date = 03/29/00 Pct Recovery = 105% Analysis Date = 03/29/00 Pct Recovery = 105% Analysis Date = 03/27/00 Pct Recovery = 105% Analysis Date = 03/27/00 Pct Recovery = 105% Analysis Date = 03/26/00 Pct Recovery = 105% Analysis Date = 03/26/00 Pct Recovery = 105% Analysis Date = 03/25/00 Pct Recovery = 105% Analysis Date = 03/25/00 Pct Recovery = 105% Analysis Date = 03/23/00 Pct Recovery = 105% Analysis Date = 03/23/00 Pct Recovery = 105% Analysis Date = 03/22/00 Pct Recovery = 104% Analysis Date = 03/22/00 Pct Recovery = 104% Analysis Date = 03/21/00 Pct Recovery = 104% Analysis Date = 03/21/00 Pct Recovery = 104% Analysis Date = 03/19/00 Pct Recovery = 104% Analysis Date = 03/19/00 Pct Recovery = 104% Analysis Date = 03/18/00 Pct Recovery = 104% Analysis Date = 03/18/00 Pct Recovery = 104% Analysis Date = 03/17/00 Pct Recovery = 103% Analysis Date = 03/17/00 Pct Recovery = 103% Analysis Date = 03/15/00 Pct Recovery = 103% Analysis Date = 03/15/00 Pct Recovery = 103% Analysis Date = 03/14/00 Pct Recovery = 103% Analysis Date = 03/14/00 Pct Recovery = 103% Analysis Date = 03/13/00 Pct Recovery = 103% Analysis Date = 03/13/00 Pct Recovery = 103% Analysis Date = 03/11/00 Pct Recovery = 102% Analysis Date = 03/11/00 Pct Recovery = 102% Analysis Date = 03/10/00 Pct Recovery = 102% Analysis Date = 03/10/00 Pct Recovery = 102% Analysis Date = 03/09/00 Pct Recovery = 102% Analysis Date = 03/09/00 Pct Recovery = 102% Analysis Date = 03/07/00 Pct Recovery = 102% Analysis Date = 03/07/00 Pct Recovery = 102% Analysis Date = 03/06/00 Pct Recovery = 101% Analysis Date = 03/06/00 Pct Recovery = 101% Analysis Date = 03/05/00 Pct Recovery = 101% Analysis Date = 03/05/00 Pct Recovery = 101% Analysis Date = 03/03/00 Pct Recovery = 101% Analysis Date = 03/03/00 Pct Recovery = 101% Analysis Date = 03/02/00 Pct Recovery = 101% Analysis Date = 03/02/00 Pct Recovery = 101% Analysis Date = 03/01/00 Pct Recovery = 100% Analysis Date = 03/01/00 Pct Recovery = 100% Analysis Date = 02/28/00 Pct Recovery = 100% Analysis Date = 02/28/00 Pct Recovery = 100% Analysis Date = 02/27/00 Pct Recovery = 100% Analysis Date = 02/27/00 Pct Recovery = 100% Analysis Date = 02/26/00 Pct Recovery = 100% Analysis Date = 02/26/00 Pct Recovery = 100% Analysis Date = 02/25/00 Pct Recovery = 99% Analysis Date = 02/25/00 Pct Recovery = 99% Analysis Date = 02/23/00 Pct Recovery = 99% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,2-DIBROMOETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 8 100% 10% 101% 9%
Total 8 100% 10% 101% 9%

Sample Statistics
1,2-DIBROMOETHANE

Characteristic N % % Basis
Plotted 8 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 8 .  
False Negatives 0 0% 0 out of 8
Not Spiked 28 .  
False Positives 0 0% 0 out of 28

BQS OBSP Determination:
1,2-DICHLOROBENZENE
METHOD: 4054 , TESTIDCODE: 34536GCM66
Open Data Set

Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 106% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 110% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 99% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 88% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 90% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 94% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 106% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 94% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 91% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 100% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 99% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 95% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 98% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 108% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 105% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 109% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 99% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 108% Analysis Date = 08/24/01 Pct Recovery = 107% Analysis Date = 08/22/01 Pct Recovery = 107% Analysis Date = 08/22/01 Pct Recovery = 107% Analysis Date = 08/19/01 Pct Recovery = 106% Analysis Date = 08/19/01 Pct Recovery = 106% Analysis Date = 08/16/01 Pct Recovery = 106% Analysis Date = 08/16/01 Pct Recovery = 106% Analysis Date = 08/13/01 Pct Recovery = 106% Analysis Date = 08/13/01 Pct Recovery = 106% Analysis Date = 08/10/01 Pct Recovery = 106% Analysis Date = 08/10/01 Pct Recovery = 106% Analysis Date = 08/07/01 Pct Recovery = 106% Analysis Date = 08/07/01 Pct Recovery = 106% Analysis Date = 08/04/01 Pct Recovery = 106% Analysis Date = 08/04/01 Pct Recovery = 106% Analysis Date = 08/01/01 Pct Recovery = 106% Analysis Date = 08/01/01 Pct Recovery = 106% Analysis Date = 07/29/01 Pct Recovery = 106% Analysis Date = 07/29/01 Pct Recovery = 106% Analysis Date = 07/26/01 Pct Recovery = 106% Analysis Date = 07/26/01 Pct Recovery = 106% Analysis Date = 07/23/01 Pct Recovery = 106% Analysis Date = 07/23/01 Pct Recovery = 106% Analysis Date = 07/20/01 Pct Recovery = 106% Analysis Date = 07/20/01 Pct Recovery = 106% Analysis Date = 07/17/01 Pct Recovery = 106% Analysis Date = 07/17/01 Pct Recovery = 106% Analysis Date = 07/14/01 Pct Recovery = 106% Analysis Date = 07/14/01 Pct Recovery = 106% Analysis Date = 07/11/01 Pct Recovery = 106% Analysis Date = 07/11/01 Pct Recovery = 106% Analysis Date = 07/08/01 Pct Recovery = 106% Analysis Date = 07/08/01 Pct Recovery = 106% Analysis Date = 07/05/01 Pct Recovery = 106% Analysis Date = 07/05/01 Pct Recovery = 106% Analysis Date = 07/02/01 Pct Recovery = 106% Analysis Date = 07/02/01 Pct Recovery = 106% Analysis Date = 06/29/01 Pct Recovery = 106% Analysis Date = 06/29/01 Pct Recovery = 106% Analysis Date = 06/26/01 Pct Recovery = 106% Analysis Date = 06/26/01 Pct Recovery = 106% Analysis Date = 06/23/01 Pct Recovery = 106% Analysis Date = 06/23/01 Pct Recovery = 106% Analysis Date = 06/20/01 Pct Recovery = 106% Analysis Date = 06/20/01 Pct Recovery = 106% Analysis Date = 06/17/01 Pct Recovery = 106% Analysis Date = 06/17/01 Pct Recovery = 106% Analysis Date = 06/15/01 Pct Recovery = 106% Analysis Date = 06/15/01 Pct Recovery = 106% Analysis Date = 06/12/01 Pct Recovery = 106% Analysis Date = 06/12/01 Pct Recovery = 106% Analysis Date = 06/09/01 Pct Recovery = 106% Analysis Date = 06/09/01 Pct Recovery = 106% Analysis Date = 06/06/01 Pct Recovery = 106% Analysis Date = 06/06/01 Pct Recovery = 106% Analysis Date = 06/03/01 Pct Recovery = 106% Analysis Date = 06/03/01 Pct Recovery = 106% Analysis Date = 05/31/01 Pct Recovery = 106% Analysis Date = 05/31/01 Pct Recovery = 106% Analysis Date = 05/28/01 Pct Recovery = 105% Analysis Date = 05/28/01 Pct Recovery = 105% Analysis Date = 05/25/01 Pct Recovery = 105% Analysis Date = 05/25/01 Pct Recovery = 105% Analysis Date = 05/22/01 Pct Recovery = 105% Analysis Date = 05/22/01 Pct Recovery = 105% Analysis Date = 05/19/01 Pct Recovery = 105% Analysis Date = 05/19/01 Pct Recovery = 105% Analysis Date = 05/16/01 Pct Recovery = 105% Analysis Date = 05/16/01 Pct Recovery = 105% Analysis Date = 05/13/01 Pct Recovery = 105% Analysis Date = 05/13/01 Pct Recovery = 105% Analysis Date = 05/10/01 Pct Recovery = 105% Analysis Date = 05/10/01 Pct Recovery = 105% Analysis Date = 05/07/01 Pct Recovery = 105% Analysis Date = 05/07/01 Pct Recovery = 105% Analysis Date = 05/04/01 Pct Recovery = 105% Analysis Date = 05/04/01 Pct Recovery = 105% Analysis Date = 05/01/01 Pct Recovery = 105% Analysis Date = 05/01/01 Pct Recovery = 105% Analysis Date = 04/28/01 Pct Recovery = 105% Analysis Date = 04/28/01 Pct Recovery = 105% Analysis Date = 04/25/01 Pct Recovery = 105% Analysis Date = 04/25/01 Pct Recovery = 105% Analysis Date = 04/22/01 Pct Recovery = 105% Analysis Date = 04/22/01 Pct Recovery = 105% Analysis Date = 04/19/01 Pct Recovery = 105% Analysis Date = 04/19/01 Pct Recovery = 105% Analysis Date = 04/16/01 Pct Recovery = 105% Analysis Date = 04/16/01 Pct Recovery = 105% Analysis Date = 04/13/01 Pct Recovery = 105% Analysis Date = 04/13/01 Pct Recovery = 105% Analysis Date = 04/10/01 Pct Recovery = 105% Analysis Date = 04/10/01 Pct Recovery = 105% Analysis Date = 04/08/01 Pct Recovery = 105% Analysis Date = 04/08/01 Pct Recovery = 105% Analysis Date = 04/05/01 Pct Recovery = 105% Analysis Date = 04/05/01 Pct Recovery = 105% Analysis Date = 04/02/01 Pct Recovery = 105% Analysis Date = 04/02/01 Pct Recovery = 105% Analysis Date = 03/30/01 Pct Recovery = 105% Analysis Date = 03/30/01 Pct Recovery = 105% Analysis Date = 03/27/01 Pct Recovery = 105% Analysis Date = 03/27/01 Pct Recovery = 105% Analysis Date = 03/24/01 Pct Recovery = 105% Analysis Date = 03/24/01 Pct Recovery = 105% Analysis Date = 03/21/01 Pct Recovery = 105% Analysis Date = 03/21/01 Pct Recovery = 105% Analysis Date = 03/18/01 Pct Recovery = 105% Analysis Date = 03/18/01 Pct Recovery = 105% Analysis Date = 03/15/01 Pct Recovery = 105% Analysis Date = 03/15/01 Pct Recovery = 105% Analysis Date = 03/12/01 Pct Recovery = 105% Analysis Date = 03/12/01 Pct Recovery = 105% Analysis Date = 03/09/01 Pct Recovery = 105% Analysis Date = 03/09/01 Pct Recovery = 105% Analysis Date = 03/06/01 Pct Recovery = 105% Analysis Date = 03/06/01 Pct Recovery = 105% Analysis Date = 03/03/01 Pct Recovery = 104% Analysis Date = 03/03/01 Pct Recovery = 104% Analysis Date = 02/28/01 Pct Recovery = 104% Analysis Date = 02/28/01 Pct Recovery = 104% Analysis Date = 02/25/01 Pct Recovery = 104% Analysis Date = 02/25/01 Pct Recovery = 104% Analysis Date = 02/22/01 Pct Recovery = 104% Analysis Date = 02/22/01 Pct Recovery = 104% Analysis Date = 02/19/01 Pct Recovery = 104% Analysis Date = 02/19/01 Pct Recovery = 104% Analysis Date = 02/16/01 Pct Recovery = 104% Analysis Date = 02/16/01 Pct Recovery = 104% Analysis Date = 02/13/01 Pct Recovery = 104% Analysis Date = 02/13/01 Pct Recovery = 104% Analysis Date = 02/10/01 Pct Recovery = 104% Analysis Date = 02/10/01 Pct Recovery = 104% Analysis Date = 02/07/01 Pct Recovery = 104% Analysis Date = 02/07/01 Pct Recovery = 104% Analysis Date = 02/04/01 Pct Recovery = 104% Analysis Date = 02/04/01 Pct Recovery = 104% Analysis Date = 02/01/01 Pct Recovery = 104% Analysis Date = 02/01/01 Pct Recovery = 104% Analysis Date = 01/30/01 Pct Recovery = 104% Analysis Date = 01/30/01 Pct Recovery = 104% Analysis Date = 01/27/01 Pct Recovery = 104% Analysis Date = 01/27/01 Pct Recovery = 104% Analysis Date = 01/24/01 Pct Recovery = 104% Analysis Date = 01/24/01 Pct Recovery = 104% Analysis Date = 01/21/01 Pct Recovery = 104% Analysis Date = 01/21/01 Pct Recovery = 104% Analysis Date = 01/18/01 Pct Recovery = 104% Analysis Date = 01/18/01 Pct Recovery = 104% Analysis Date = 01/15/01 Pct Recovery = 104% Analysis Date = 01/15/01 Pct Recovery = 104% Analysis Date = 01/12/01 Pct Recovery = 104% Analysis Date = 01/12/01 Pct Recovery = 104% Analysis Date = 01/09/01 Pct Recovery = 104% Analysis Date = 01/09/01 Pct Recovery = 104% Analysis Date = 01/06/01 Pct Recovery = 104% Analysis Date = 01/06/01 Pct Recovery = 104% Analysis Date = 01/03/01 Pct Recovery = 104% Analysis Date = 01/03/01 Pct Recovery = 104% Analysis Date = 12/31/00 Pct Recovery = 104% Analysis Date = 12/31/00 Pct Recovery = 104% Analysis Date = 12/28/00 Pct Recovery = 104% Analysis Date = 12/28/00 Pct Recovery = 104% Analysis Date = 12/25/00 Pct Recovery = 104% Analysis Date = 12/25/00 Pct Recovery = 104% Analysis Date = 12/22/00 Pct Recovery = 104% Analysis Date = 12/22/00 Pct Recovery = 104% Analysis Date = 12/19/00 Pct Recovery = 104% Analysis Date = 12/19/00 Pct Recovery = 104% Analysis Date = 12/16/00 Pct Recovery = 104% Analysis Date = 12/16/00 Pct Recovery = 104% Analysis Date = 12/13/00 Pct Recovery = 104% Analysis Date = 12/13/00 Pct Recovery = 104% Analysis Date = 12/10/00 Pct Recovery = 104% Analysis Date = 12/10/00 Pct Recovery = 104% Analysis Date = 12/07/00 Pct Recovery = 104% Analysis Date = 12/07/00 Pct Recovery = 104% Analysis Date = 12/04/00 Pct Recovery = 104% Analysis Date = 12/04/00 Pct Recovery = 104% Analysis Date = 12/01/00 Pct Recovery = 104% Analysis Date = 12/01/00 Pct Recovery = 104% Analysis Date = 11/28/00 Pct Recovery = 104% Analysis Date = 11/28/00 Pct Recovery = 104% Analysis Date = 11/25/00 Pct Recovery = 104% Analysis Date = 11/25/00 Pct Recovery = 104% Analysis Date = 11/23/00 Pct Recovery = 104% Analysis Date = 11/23/00 Pct Recovery = 104% Analysis Date = 11/20/00 Pct Recovery = 104% Analysis Date = 11/20/00 Pct Recovery = 104% Analysis Date = 11/17/00 Pct Recovery = 104% Analysis Date = 11/17/00 Pct Recovery = 104% Analysis Date = 11/14/00 Pct Recovery = 104% Analysis Date = 11/14/00 Pct Recovery = 104% Analysis Date = 11/11/00 Pct Recovery = 104% Analysis Date = 11/11/00 Pct Recovery = 104% Analysis Date = 11/08/00 Pct Recovery = 104% Analysis Date = 11/08/00 Pct Recovery = 104% Analysis Date = 11/05/00 Pct Recovery = 104% Analysis Date = 11/05/00 Pct Recovery = 104% Analysis Date = 11/02/00 Pct Recovery = 104% Analysis Date = 11/02/00 Pct Recovery = 104% Analysis Date = 10/30/00 Pct Recovery = 104% Analysis Date = 10/30/00 Pct Recovery = 104% Analysis Date = 10/27/00 Pct Recovery = 104% Analysis Date = 10/27/00 Pct Recovery = 104% Analysis Date = 10/24/00 Pct Recovery = 104% Analysis Date = 10/24/00 Pct Recovery = 104% Analysis Date = 10/21/00 Pct Recovery = 104% Analysis Date = 10/21/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 104% Analysis Date = 10/15/00 Pct Recovery = 104% Analysis Date = 10/15/00 Pct Recovery = 104% Analysis Date = 10/12/00 Pct Recovery = 104% Analysis Date = 10/12/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/06/00 Pct Recovery = 104% Analysis Date = 10/06/00 Pct Recovery = 104% Analysis Date = 10/03/00 Pct Recovery = 104% Analysis Date = 10/03/00 Pct Recovery = 104% Analysis Date = 09/30/00 Pct Recovery = 104% Analysis Date = 09/30/00 Pct Recovery = 104% Analysis Date = 09/27/00 Pct Recovery = 104% Analysis Date = 09/27/00 Pct Recovery = 104% Analysis Date = 09/24/00 Pct Recovery = 104% Analysis Date = 09/24/00 Pct Recovery = 104% Analysis Date = 09/21/00 Pct Recovery = 104% Analysis Date = 09/21/00 Pct Recovery = 104% Analysis Date = 09/18/00 Pct Recovery = 104% Analysis Date = 09/18/00 Pct Recovery = 104% Analysis Date = 09/15/00 Pct Recovery = 104% Analysis Date = 09/15/00 Pct Recovery = 104% Analysis Date = 09/13/00 Pct Recovery = 104% Analysis Date = 09/13/00 Pct Recovery = 104% Analysis Date = 09/10/00 Pct Recovery = 104% Analysis Date = 09/10/00 Pct Recovery = 104% Analysis Date = 09/07/00 Pct Recovery = 104% Analysis Date = 09/07/00 Pct Recovery = 104% Analysis Date = 09/04/00 Pct Recovery = 104% Analysis Date = 09/04/00 Pct Recovery = 104% Analysis Date = 09/01/00 Pct Recovery = 104% Analysis Date = 09/01/00 Pct Recovery = 104% Analysis Date = 08/29/00 Pct Recovery = 104% Analysis Date = 08/29/00 Pct Recovery = 104% Analysis Date = 08/26/00 Pct Recovery = 104% Analysis Date = 08/26/00 Pct Recovery = 104% Analysis Date = 08/23/00 Pct Recovery = 104% Analysis Date = 08/23/00 Pct Recovery = 104% Analysis Date = 08/20/00 Pct Recovery = 104% Analysis Date = 08/20/00 Pct Recovery = 104% Analysis Date = 08/17/00 Pct Recovery = 104% Analysis Date = 08/17/00 Pct Recovery = 104% Analysis Date = 08/14/00 Pct Recovery = 104% Analysis Date = 08/14/00 Pct Recovery = 104% Analysis Date = 08/11/00 Pct Recovery = 104% Analysis Date = 08/11/00 Pct Recovery = 104% Analysis Date = 08/08/00 Pct Recovery = 104% Analysis Date = 08/08/00 Pct Recovery = 104% Analysis Date = 08/05/00 Pct Recovery = 104% Analysis Date = 08/05/00 Pct Recovery = 104% Analysis Date = 08/02/00 Pct Recovery = 104% Analysis Date = 08/02/00 Pct Recovery = 104% Analysis Date = 07/30/00 Pct Recovery = 104% Analysis Date = 07/30/00 Pct Recovery = 104% Analysis Date = 07/27/00 Pct Recovery = 104% Analysis Date = 07/27/00 Pct Recovery = 104% Analysis Date = 07/24/00 Pct Recovery = 104% Analysis Date = 07/24/00 Pct Recovery = 104% Analysis Date = 07/21/00 Pct Recovery = 104% Analysis Date = 07/21/00 Pct Recovery = 104% Analysis Date = 07/18/00 Pct Recovery = 104% Analysis Date = 07/18/00 Pct Recovery = 104% Analysis Date = 07/15/00 Pct Recovery = 104% Analysis Date = 07/15/00 Pct Recovery = 104% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/09/00 Pct Recovery = 104% Analysis Date = 07/09/00 Pct Recovery = 104% Analysis Date = 07/07/00 Pct Recovery = 104% Analysis Date = 07/07/00 Pct Recovery = 104% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 07/01/00 Pct Recovery = 104% Analysis Date = 07/01/00 Pct Recovery = 104% Analysis Date = 06/28/00 Pct Recovery = 104% Analysis Date = 06/28/00 Pct Recovery = 104% Analysis Date = 06/25/00 Pct Recovery = 104% Analysis Date = 06/25/00 Pct Recovery = 104% Analysis Date = 06/22/00 Pct Recovery = 104% Analysis Date = 06/22/00 Pct Recovery = 104% Analysis Date = 06/19/00 Pct Recovery = 104% Analysis Date = 06/19/00 Pct Recovery = 104% Analysis Date = 06/16/00 Pct Recovery = 104% Analysis Date = 06/16/00 Pct Recovery = 104% Analysis Date = 06/13/00 Pct Recovery = 104% Analysis Date = 06/13/00 Pct Recovery = 104% Analysis Date = 06/10/00 Pct Recovery = 104% Analysis Date = 06/10/00 Pct Recovery = 104% Analysis Date = 06/07/00 Pct Recovery = 104% Analysis Date = 06/07/00 Pct Recovery = 104% Analysis Date = 06/04/00 Pct Recovery = 104% Analysis Date = 06/04/00 Pct Recovery = 104% Analysis Date = 06/01/00 Pct Recovery = 103% Analysis Date = 06/01/00 Pct Recovery = 103% Analysis Date = 05/29/00 Pct Recovery = 103% Analysis Date = 05/29/00 Pct Recovery = 103% Analysis Date = 05/26/00 Pct Recovery = 103% Analysis Date = 05/26/00 Pct Recovery = 103% Analysis Date = 05/23/00 Pct Recovery = 103% Analysis Date = 05/23/00 Pct Recovery = 103% Analysis Date = 05/20/00 Pct Recovery = 103% Analysis Date = 05/20/00 Pct Recovery = 103% Analysis Date = 05/17/00 Pct Recovery = 103% Analysis Date = 05/17/00 Pct Recovery = 103% Analysis Date = 05/14/00 Pct Recovery = 102% Analysis Date = 05/14/00 Pct Recovery = 102% Analysis Date = 05/11/00 Pct Recovery = 102% Analysis Date = 05/11/00 Pct Recovery = 102% Analysis Date = 05/08/00 Pct Recovery = 101% Analysis Date = 05/08/00 Pct Recovery = 101% Analysis Date = 05/05/00 Pct Recovery = 101% Analysis Date = 05/05/00 Pct Recovery = 101% Analysis Date = 05/02/00 Pct Recovery = 100% Analysis Date = 05/02/00 Pct Recovery = 100% Analysis Date = 04/30/00 Pct Recovery = 100% Analysis Date = 04/30/00 Pct Recovery = 100% Analysis Date = 04/27/00 Pct Recovery = 99% Analysis Date = 04/27/00 Pct Recovery = 99% Analysis Date = 04/24/00 Pct Recovery = 99% Analysis Date = 04/24/00 Pct Recovery = 99% Analysis Date = 04/21/00 Pct Recovery = 99% Analysis Date = 04/21/00 Pct Recovery = 99% Analysis Date = 04/18/00 Pct Recovery = 98% Analysis Date = 04/18/00 Pct Recovery = 98% Analysis Date = 04/15/00 Pct Recovery = 98% Analysis Date = 04/15/00 Pct Recovery = 98% Analysis Date = 04/12/00 Pct Recovery = 97% Analysis Date = 04/12/00 Pct Recovery = 97% Analysis Date = 04/09/00 Pct Recovery = 97% Analysis Date = 04/09/00 Pct Recovery = 97% Analysis Date = 04/06/00 Pct Recovery = 97% Analysis Date = 04/06/00 Pct Recovery = 97% Analysis Date = 04/03/00 Pct Recovery = 96% Analysis Date = 04/03/00 Pct Recovery = 96% Analysis Date = 03/31/00 Pct Recovery = 96% Analysis Date = 03/31/00 Pct Recovery = 96% Analysis Date = 03/28/00 Pct Recovery = 96% Analysis Date = 03/28/00 Pct Recovery = 96% Analysis Date = 03/25/00 Pct Recovery = 96% Analysis Date = 03/25/00 Pct Recovery = 96% Analysis Date = 03/22/00 Pct Recovery = 96% Analysis Date = 03/22/00 Pct Recovery = 96% Analysis Date = 03/19/00 Pct Recovery = 96% Analysis Date = 03/19/00 Pct Recovery = 96% Analysis Date = 03/16/00 Pct Recovery = 96% Analysis Date = 03/16/00 Pct Recovery = 96% Analysis Date = 03/13/00 Pct Recovery = 96% Analysis Date = 03/13/00 Pct Recovery = 96% Analysis Date = 03/10/00 Pct Recovery = 96% Analysis Date = 03/10/00 Pct Recovery = 96% Analysis Date = 03/07/00 Pct Recovery = 96% Analysis Date = 03/07/00 Pct Recovery = 96% Analysis Date = 03/04/00 Pct Recovery = 96% Analysis Date = 03/04/00 Pct Recovery = 96% Analysis Date = 03/01/00 Pct Recovery = 96% Analysis Date = 03/01/00 Pct Recovery = 96% Analysis Date = 02/27/00 Pct Recovery = 96% Analysis Date = 02/27/00 Pct Recovery = 96% Analysis Date = 02/24/00 Pct Recovery = 96% Analysis Date = 02/24/00 Pct Recovery = 96% Analysis Date = 02/22/00 Pct Recovery = 96% Analysis Date = 02/22/00 Pct Recovery = 96% Analysis Date = 02/19/00 Pct Recovery = 96% Analysis Date = 02/19/00 Pct Recovery = 96% Analysis Date = 02/16/00 Pct Recovery = 96% Analysis Date = 02/16/00 Pct Recovery = 96% Analysis Date = 02/13/00 Pct Recovery = 96% Analysis Date = 02/13/00 Pct Recovery = 96% Analysis Date = 02/10/00 Pct Recovery = 96% Analysis Date = 02/10/00 Pct Recovery = 96% Analysis Date = 02/07/00 Pct Recovery = 96% Analysis Date = 02/07/00 Pct Recovery = 96% Analysis Date = 02/04/00 Pct Recovery = 96% Analysis Date = 02/04/00 Pct Recovery = 96% Analysis Date = 02/01/00 Pct Recovery = 96% Analysis Date = 02/01/00 Pct Recovery = 96% Analysis Date = 01/29/00 Pct Recovery = 96% Analysis Date = 01/29/00 Pct Recovery = 96% Analysis Date = 01/26/00 Pct Recovery = 96% Analysis Date = 01/26/00 Pct Recovery = 96% Analysis Date = 01/23/00 Pct Recovery = 96% Analysis Date = 01/23/00 Pct Recovery = 96% Analysis Date = 01/20/00 Pct Recovery = 96% Analysis Date = 01/20/00 Pct Recovery = 96% Analysis Date = 01/17/00 Pct Recovery = 96% Analysis Date = 01/17/00 Pct Recovery = 96% Analysis Date = 01/14/00 Pct Recovery = 96% Analysis Date = 01/14/00 Pct Recovery = 96% Analysis Date = 01/11/00 Pct Recovery = 96% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,2-DICHLOROBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 18 100% 7% 99% 9%
Total 18 100% 7% 99% 9%

Sample Statistics
1,2-DICHLOROBENZENE

Characteristic N % % Basis
Plotted 18 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 18 .  
False Negatives 0 0% 0 out of 18
Not Spiked 18 .  
False Positives 0 0% 0 out of 18

BQS OBSP Determination:
1,2-DICHLOROETHANE
METHOD: 4054 , TESTIDCODE: 32103GCM66
Open Data Set

Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 101% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 107% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 100% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 96% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 100% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 106% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 106% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 103% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 106% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 103% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 137% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 115% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 102% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 101% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 97% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 115% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 97% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 105% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 112% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 106% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 95% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 104% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 112% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 114% Analysis Date = 10/03/03 Pct Recovery = 115% Analysis Date = 09/27/03 Pct Recovery = 115% Analysis Date = 09/27/03 Pct Recovery = 115% Analysis Date = 09/20/03 Pct Recovery = 115% Analysis Date = 09/20/03 Pct Recovery = 115% Analysis Date = 09/13/03 Pct Recovery = 115% Analysis Date = 09/13/03 Pct Recovery = 115% Analysis Date = 09/06/03 Pct Recovery = 115% Analysis Date = 09/06/03 Pct Recovery = 115% Analysis Date = 08/30/03 Pct Recovery = 114% Analysis Date = 08/30/03 Pct Recovery = 114% Analysis Date = 08/24/03 Pct Recovery = 114% Analysis Date = 08/24/03 Pct Recovery = 114% Analysis Date = 08/17/03 Pct Recovery = 114% Analysis Date = 08/17/03 Pct Recovery = 114% Analysis Date = 08/10/03 Pct Recovery = 114% Analysis Date = 08/10/03 Pct Recovery = 114% Analysis Date = 08/03/03 Pct Recovery = 114% Analysis Date = 08/03/03 Pct Recovery = 114% Analysis Date = 07/27/03 Pct Recovery = 114% Analysis Date = 07/27/03 Pct Recovery = 114% Analysis Date = 07/21/03 Pct Recovery = 114% Analysis Date = 07/21/03 Pct Recovery = 114% Analysis Date = 07/14/03 Pct Recovery = 114% Analysis Date = 07/14/03 Pct Recovery = 114% Analysis Date = 07/07/03 Pct Recovery = 114% Analysis Date = 07/07/03 Pct Recovery = 114% Analysis Date = 06/30/03 Pct Recovery = 113% Analysis Date = 06/30/03 Pct Recovery = 113% Analysis Date = 06/23/03 Pct Recovery = 113% Analysis Date = 06/23/03 Pct Recovery = 113% Analysis Date = 06/17/03 Pct Recovery = 113% Analysis Date = 06/17/03 Pct Recovery = 113% Analysis Date = 06/10/03 Pct Recovery = 113% Analysis Date = 06/10/03 Pct Recovery = 113% Analysis Date = 06/03/03 Pct Recovery = 113% Analysis Date = 06/03/03 Pct Recovery = 113% Analysis Date = 05/27/03 Pct Recovery = 113% Analysis Date = 05/27/03 Pct Recovery = 113% Analysis Date = 05/20/03 Pct Recovery = 113% Analysis Date = 05/20/03 Pct Recovery = 113% Analysis Date = 05/14/03 Pct Recovery = 113% Analysis Date = 05/14/03 Pct Recovery = 113% Analysis Date = 05/07/03 Pct Recovery = 113% Analysis Date = 05/07/03 Pct Recovery = 113% Analysis Date = 04/30/03 Pct Recovery = 112% Analysis Date = 04/30/03 Pct Recovery = 112% Analysis Date = 04/23/03 Pct Recovery = 112% Analysis Date = 04/23/03 Pct Recovery = 112% Analysis Date = 04/16/03 Pct Recovery = 112% Analysis Date = 04/16/03 Pct Recovery = 112% Analysis Date = 04/10/03 Pct Recovery = 112% Analysis Date = 04/10/03 Pct Recovery = 112% Analysis Date = 04/03/03 Pct Recovery = 112% Analysis Date = 04/03/03 Pct Recovery = 112% Analysis Date = 03/27/03 Pct Recovery = 112% Analysis Date = 03/27/03 Pct Recovery = 112% Analysis Date = 03/20/03 Pct Recovery = 112% Analysis Date = 03/20/03 Pct Recovery = 112% Analysis Date = 03/13/03 Pct Recovery = 112% Analysis Date = 03/13/03 Pct Recovery = 112% Analysis Date = 03/06/03 Pct Recovery = 111% Analysis Date = 03/06/03 Pct Recovery = 111% Analysis Date = 02/28/03 Pct Recovery = 111% Analysis Date = 02/28/03 Pct Recovery = 111% Analysis Date = 02/21/03 Pct Recovery = 111% Analysis Date = 02/21/03 Pct Recovery = 111% Analysis Date = 02/14/03 Pct Recovery = 111% Analysis Date = 02/14/03 Pct Recovery = 111% Analysis Date = 02/07/03 Pct Recovery = 111% Analysis Date = 02/07/03 Pct Recovery = 111% Analysis Date = 01/31/03 Pct Recovery = 111% Analysis Date = 01/31/03 Pct Recovery = 111% Analysis Date = 01/25/03 Pct Recovery = 111% Analysis Date = 01/25/03 Pct Recovery = 111% Analysis Date = 01/18/03 Pct Recovery = 111% Analysis Date = 01/18/03 Pct Recovery = 111% Analysis Date = 01/11/03 Pct Recovery = 111% Analysis Date = 01/11/03 Pct Recovery = 111% Analysis Date = 01/04/03 Pct Recovery = 110% Analysis Date = 01/04/03 Pct Recovery = 110% Analysis Date = 12/28/02 Pct Recovery = 110% Analysis Date = 12/28/02 Pct Recovery = 110% Analysis Date = 12/22/02 Pct Recovery = 110% Analysis Date = 12/22/02 Pct Recovery = 110% Analysis Date = 12/15/02 Pct Recovery = 110% Analysis Date = 12/15/02 Pct Recovery = 110% Analysis Date = 12/08/02 Pct Recovery = 110% Analysis Date = 12/08/02 Pct Recovery = 110% Analysis Date = 12/01/02 Pct Recovery = 110% Analysis Date = 12/01/02 Pct Recovery = 110% Analysis Date = 11/24/02 Pct Recovery = 110% Analysis Date = 11/24/02 Pct Recovery = 110% Analysis Date = 11/18/02 Pct Recovery = 110% Analysis Date = 11/18/02 Pct Recovery = 110% Analysis Date = 11/11/02 Pct Recovery = 109% Analysis Date = 11/11/02 Pct Recovery = 109% Analysis Date = 11/04/02 Pct Recovery = 109% Analysis Date = 11/04/02 Pct Recovery = 109% Analysis Date = 10/28/02 Pct Recovery = 109% Analysis Date = 10/28/02 Pct Recovery = 109% Analysis Date = 10/21/02 Pct Recovery = 109% Analysis Date = 10/21/02 Pct Recovery = 109% Analysis Date = 10/15/02 Pct Recovery = 109% Analysis Date = 10/15/02 Pct Recovery = 109% Analysis Date = 10/08/02 Pct Recovery = 109% Analysis Date = 10/08/02 Pct Recovery = 109% Analysis Date = 10/01/02 Pct Recovery = 109% Analysis Date = 10/01/02 Pct Recovery = 109% Analysis Date = 09/24/02 Pct Recovery = 109% Analysis Date = 09/24/02 Pct Recovery = 109% Analysis Date = 09/17/02 Pct Recovery = 109% Analysis Date = 09/17/02 Pct Recovery = 109% Analysis Date = 09/11/02 Pct Recovery = 108% Analysis Date = 09/11/02 Pct Recovery = 108% Analysis Date = 09/04/02 Pct Recovery = 108% Analysis Date = 09/04/02 Pct Recovery = 108% Analysis Date = 08/28/02 Pct Recovery = 108% Analysis Date = 08/28/02 Pct Recovery = 108% Analysis Date = 08/21/02 Pct Recovery = 108% Analysis Date = 08/21/02 Pct Recovery = 108% Analysis Date = 08/14/02 Pct Recovery = 108% Analysis Date = 08/14/02 Pct Recovery = 108% Analysis Date = 08/07/02 Pct Recovery = 108% Analysis Date = 08/07/02 Pct Recovery = 108% Analysis Date = 08/01/02 Pct Recovery = 108% Analysis Date = 08/01/02 Pct Recovery = 108% Analysis Date = 07/25/02 Pct Recovery = 108% Analysis Date = 07/25/02 Pct Recovery = 108% Analysis Date = 07/18/02 Pct Recovery = 108% Analysis Date = 07/18/02 Pct Recovery = 108% Analysis Date = 07/11/02 Pct Recovery = 107% Analysis Date = 07/11/02 Pct Recovery = 107% Analysis Date = 07/04/02 Pct Recovery = 107% Analysis Date = 07/04/02 Pct Recovery = 107% Analysis Date = 06/28/02 Pct Recovery = 107% Analysis Date = 06/28/02 Pct Recovery = 107% Analysis Date = 06/21/02 Pct Recovery = 107% Analysis Date = 06/21/02 Pct Recovery = 107% Analysis Date = 06/14/02 Pct Recovery = 107% Analysis Date = 06/14/02 Pct Recovery = 107% Analysis Date = 06/07/02 Pct Recovery = 107% Analysis Date = 06/07/02 Pct Recovery = 107% Analysis Date = 05/31/02 Pct Recovery = 107% Analysis Date = 05/31/02 Pct Recovery = 107% Analysis Date = 05/25/02 Pct Recovery = 107% Analysis Date = 05/25/02 Pct Recovery = 107% Analysis Date = 05/18/02 Pct Recovery = 106% Analysis Date = 05/18/02 Pct Recovery = 106% Analysis Date = 05/11/02 Pct Recovery = 106% Analysis Date = 05/11/02 Pct Recovery = 106% Analysis Date = 05/04/02 Pct Recovery = 106% Analysis Date = 05/04/02 Pct Recovery = 106% Analysis Date = 04/27/02 Pct Recovery = 106% Analysis Date = 04/27/02 Pct Recovery = 106% Analysis Date = 04/21/02 Pct Recovery = 106% Analysis Date = 04/21/02 Pct Recovery = 106% Analysis Date = 04/14/02 Pct Recovery = 106% Analysis Date = 04/14/02 Pct Recovery = 106% Analysis Date = 04/07/02 Pct Recovery = 106% Analysis Date = 04/07/02 Pct Recovery = 106% Analysis Date = 03/31/02 Pct Recovery = 106% Analysis Date = 03/31/02 Pct Recovery = 106% Analysis Date = 03/24/02 Pct Recovery = 106% Analysis Date = 03/24/02 Pct Recovery = 106% Analysis Date = 03/18/02 Pct Recovery = 105% Analysis Date = 03/18/02 Pct Recovery = 105% Analysis Date = 03/11/02 Pct Recovery = 105% Analysis Date = 03/11/02 Pct Recovery = 105% Analysis Date = 03/04/02 Pct Recovery = 105% Analysis Date = 03/04/02 Pct Recovery = 105% Analysis Date = 02/25/02 Pct Recovery = 105% Analysis Date = 02/25/02 Pct Recovery = 105% Analysis Date = 02/18/02 Pct Recovery = 105% Analysis Date = 02/18/02 Pct Recovery = 105% Analysis Date = 02/11/02 Pct Recovery = 105% Analysis Date = 02/11/02 Pct Recovery = 105% Analysis Date = 02/05/02 Pct Recovery = 105% Analysis Date = 02/05/02 Pct Recovery = 105% Analysis Date = 01/29/02 Pct Recovery = 105% Analysis Date = 01/29/02 Pct Recovery = 105% Analysis Date = 01/22/02 Pct Recovery = 105% Analysis Date = 01/22/02 Pct Recovery = 105% Analysis Date = 01/15/02 Pct Recovery = 104% Analysis Date = 01/15/02 Pct Recovery = 104% Analysis Date = 01/08/02 Pct Recovery = 104% Analysis Date = 01/08/02 Pct Recovery = 104% Analysis Date = 01/02/02 Pct Recovery = 104% Analysis Date = 01/02/02 Pct Recovery = 104% Analysis Date = 12/26/01 Pct Recovery = 104% Analysis Date = 12/26/01 Pct Recovery = 104% Analysis Date = 12/19/01 Pct Recovery = 104% Analysis Date = 12/19/01 Pct Recovery = 104% Analysis Date = 12/12/01 Pct Recovery = 104% Analysis Date = 12/12/01 Pct Recovery = 104% Analysis Date = 12/05/01 Pct Recovery = 104% Analysis Date = 12/05/01 Pct Recovery = 104% Analysis Date = 11/29/01 Pct Recovery = 104% Analysis Date = 11/29/01 Pct Recovery = 104% Analysis Date = 11/22/01 Pct Recovery = 103% Analysis Date = 11/22/01 Pct Recovery = 103% Analysis Date = 11/15/01 Pct Recovery = 103% Analysis Date = 11/15/01 Pct Recovery = 103% Analysis Date = 11/08/01 Pct Recovery = 103% Analysis Date = 11/08/01 Pct Recovery = 103% Analysis Date = 11/01/01 Pct Recovery = 103% Analysis Date = 11/01/01 Pct Recovery = 103% Analysis Date = 10/26/01 Pct Recovery = 103% Analysis Date = 10/26/01 Pct Recovery = 103% Analysis Date = 10/19/01 Pct Recovery = 103% Analysis Date = 10/19/01 Pct Recovery = 103% Analysis Date = 10/12/01 Pct Recovery = 103% Analysis Date = 10/12/01 Pct Recovery = 103% Analysis Date = 10/05/01 Pct Recovery = 103% Analysis Date = 10/05/01 Pct Recovery = 103% Analysis Date = 09/28/01 Pct Recovery = 103% Analysis Date = 09/28/01 Pct Recovery = 103% Analysis Date = 09/22/01 Pct Recovery = 102% Analysis Date = 09/22/01 Pct Recovery = 102% Analysis Date = 09/15/01 Pct Recovery = 102% Analysis Date = 09/15/01 Pct Recovery = 102% Analysis Date = 09/08/01 Pct Recovery = 102% Analysis Date = 09/08/01 Pct Recovery = 102% Analysis Date = 09/01/01 Pct Recovery = 102% Analysis Date = 09/01/01 Pct Recovery = 102% Analysis Date = 08/25/01 Pct Recovery = 102% Analysis Date = 08/25/01 Pct Recovery = 102% Analysis Date = 08/19/01 Pct Recovery = 102% Analysis Date = 08/19/01 Pct Recovery = 102% Analysis Date = 08/12/01 Pct Recovery = 102% Analysis Date = 08/12/01 Pct Recovery = 102% Analysis Date = 08/05/01 Pct Recovery = 102% Analysis Date = 08/05/01 Pct Recovery = 102% Analysis Date = 07/29/01 Pct Recovery = 103% Analysis Date = 07/29/01 Pct Recovery = 103% Analysis Date = 07/22/01 Pct Recovery = 103% Analysis Date = 07/22/01 Pct Recovery = 103% Analysis Date = 07/15/01 Pct Recovery = 103% Analysis Date = 07/15/01 Pct Recovery = 103% Analysis Date = 07/09/01 Pct Recovery = 103% Analysis Date = 07/09/01 Pct Recovery = 103% Analysis Date = 07/02/01 Pct Recovery = 103% Analysis Date = 07/02/01 Pct Recovery = 103% Analysis Date = 06/25/01 Pct Recovery = 104% Analysis Date = 06/25/01 Pct Recovery = 104% Analysis Date = 06/18/01 Pct Recovery = 104% Analysis Date = 06/18/01 Pct Recovery = 104% Analysis Date = 06/11/01 Pct Recovery = 104% Analysis Date = 06/11/01 Pct Recovery = 104% Analysis Date = 06/05/01 Pct Recovery = 104% Analysis Date = 06/05/01 Pct Recovery = 104% Analysis Date = 05/29/01 Pct Recovery = 104% Analysis Date = 05/29/01 Pct Recovery = 104% Analysis Date = 05/22/01 Pct Recovery = 104% Analysis Date = 05/22/01 Pct Recovery = 104% Analysis Date = 05/15/01 Pct Recovery = 105% Analysis Date = 05/15/01 Pct Recovery = 105% Analysis Date = 05/08/01 Pct Recovery = 105% Analysis Date = 05/08/01 Pct Recovery = 105% Analysis Date = 05/02/01 Pct Recovery = 105% Analysis Date = 05/02/01 Pct Recovery = 105% Analysis Date = 04/25/01 Pct Recovery = 105% Analysis Date = 04/25/01 Pct Recovery = 105% Analysis Date = 04/18/01 Pct Recovery = 105% Analysis Date = 04/18/01 Pct Recovery = 105% Analysis Date = 04/11/01 Pct Recovery = 105% Analysis Date = 04/11/01 Pct Recovery = 105% Analysis Date = 04/04/01 Pct Recovery = 105% Analysis Date = 04/04/01 Pct Recovery = 105% Analysis Date = 03/29/01 Pct Recovery = 106% Analysis Date = 03/29/01 Pct Recovery = 106% Analysis Date = 03/22/01 Pct Recovery = 106% Analysis Date = 03/22/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/08/01 Pct Recovery = 106% Analysis Date = 03/08/01 Pct Recovery = 106% Analysis Date = 03/01/01 Pct Recovery = 106% Analysis Date = 03/01/01 Pct Recovery = 106% Analysis Date = 02/23/01 Pct Recovery = 106% Analysis Date = 02/23/01 Pct Recovery = 106% Analysis Date = 02/16/01 Pct Recovery = 107% Analysis Date = 02/16/01 Pct Recovery = 107% Analysis Date = 02/09/01 Pct Recovery = 107% Analysis Date = 02/09/01 Pct Recovery = 107% Analysis Date = 02/02/01 Pct Recovery = 107% Analysis Date = 02/02/01 Pct Recovery = 107% Analysis Date = 01/26/01 Pct Recovery = 107% Analysis Date = 01/26/01 Pct Recovery = 107% Analysis Date = 01/19/01 Pct Recovery = 107% Analysis Date = 01/19/01 Pct Recovery = 107% Analysis Date = 01/13/01 Pct Recovery = 107% Analysis Date = 01/13/01 Pct Recovery = 107% Analysis Date = 01/06/01 Pct Recovery = 108% Analysis Date = 01/06/01 Pct Recovery = 108% Analysis Date = 12/30/00 Pct Recovery = 108% Analysis Date = 12/30/00 Pct Recovery = 108% Analysis Date = 12/23/00 Pct Recovery = 108% Analysis Date = 12/23/00 Pct Recovery = 108% Analysis Date = 12/16/00 Pct Recovery = 108% Analysis Date = 12/16/00 Pct Recovery = 108% Analysis Date = 12/10/00 Pct Recovery = 108% Analysis Date = 12/10/00 Pct Recovery = 108% Analysis Date = 12/03/00 Pct Recovery = 108% Analysis Date = 12/03/00 Pct Recovery = 108% Analysis Date = 11/26/00 Pct Recovery = 108% Analysis Date = 11/26/00 Pct Recovery = 108% Analysis Date = 11/19/00 Pct Recovery = 109% Analysis Date = 11/19/00 Pct Recovery = 109% Analysis Date = 11/12/00 Pct Recovery = 109% Analysis Date = 11/12/00 Pct Recovery = 109% Analysis Date = 11/06/00 Pct Recovery = 109% Analysis Date = 11/06/00 Pct Recovery = 109% Analysis Date = 10/30/00 Pct Recovery = 109% Analysis Date = 10/30/00 Pct Recovery = 109% Analysis Date = 10/23/00 Pct Recovery = 110% Analysis Date = 10/23/00 Pct Recovery = 110% Analysis Date = 10/16/00 Pct Recovery = 110% Analysis Date = 10/16/00 Pct Recovery = 110% Analysis Date = 10/09/00 Pct Recovery = 110% Analysis Date = 10/09/00 Pct Recovery = 110% Analysis Date = 10/03/00 Pct Recovery = 110% Analysis Date = 10/03/00 Pct Recovery = 110% Analysis Date = 09/26/00 Pct Recovery = 109% Analysis Date = 09/26/00 Pct Recovery = 109% Analysis Date = 09/19/00 Pct Recovery = 109% Analysis Date = 09/19/00 Pct Recovery = 109% Analysis Date = 09/12/00 Pct Recovery = 109% Analysis Date = 09/12/00 Pct Recovery = 109% Analysis Date = 09/05/00 Pct Recovery = 109% Analysis Date = 09/05/00 Pct Recovery = 109% Analysis Date = 08/30/00 Pct Recovery = 109% Analysis Date = 08/30/00 Pct Recovery = 109% Analysis Date = 08/23/00 Pct Recovery = 108% Analysis Date = 08/23/00 Pct Recovery = 108% Analysis Date = 08/16/00 Pct Recovery = 108% Analysis Date = 08/16/00 Pct Recovery = 108% Analysis Date = 08/09/00 Pct Recovery = 108% Analysis Date = 08/09/00 Pct Recovery = 108% Analysis Date = 08/02/00 Pct Recovery = 107% Analysis Date = 08/02/00 Pct Recovery = 107% Analysis Date = 07/27/00 Pct Recovery = 107% Analysis Date = 07/27/00 Pct Recovery = 107% Analysis Date = 07/20/00 Pct Recovery = 107% Analysis Date = 07/20/00 Pct Recovery = 107% Analysis Date = 07/13/00 Pct Recovery = 106% Analysis Date = 07/13/00 Pct Recovery = 106% Analysis Date = 07/06/00 Pct Recovery = 106% Analysis Date = 07/06/00 Pct Recovery = 106% Analysis Date = 06/29/00 Pct Recovery = 105% Analysis Date = 06/29/00 Pct Recovery = 105% Analysis Date = 06/22/00 Pct Recovery = 105% Analysis Date = 06/22/00 Pct Recovery = 105% Analysis Date = 06/16/00 Pct Recovery = 105% Analysis Date = 06/16/00 Pct Recovery = 105% Analysis Date = 06/09/00 Pct Recovery = 104% Analysis Date = 06/09/00 Pct Recovery = 104% Analysis Date = 06/02/00 Pct Recovery = 104% Analysis Date = 06/02/00 Pct Recovery = 104% Analysis Date = 05/26/00 Pct Recovery = 104% Analysis Date = 05/26/00 Pct Recovery = 104% Analysis Date = 05/19/00 Pct Recovery = 103% Analysis Date = 05/19/00 Pct Recovery = 103% Analysis Date = 05/13/00 Pct Recovery = 103% Analysis Date = 05/13/00 Pct Recovery = 103% Analysis Date = 05/06/00 Pct Recovery = 103% Analysis Date = 05/06/00 Pct Recovery = 103% Analysis Date = 04/29/00 Pct Recovery = 102% Analysis Date = 04/29/00 Pct Recovery = 102% Analysis Date = 04/22/00 Pct Recovery = 102% Analysis Date = 04/22/00 Pct Recovery = 102% Analysis Date = 04/15/00 Pct Recovery = 102% Analysis Date = 04/15/00 Pct Recovery = 102% Analysis Date = 04/09/00 Pct Recovery = 102% Analysis Date = 04/09/00 Pct Recovery = 102% Analysis Date = 04/02/00 Pct Recovery = 102% Analysis Date = 04/02/00 Pct Recovery = 102% Analysis Date = 03/26/00 Pct Recovery = 102% Analysis Date = 03/26/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/12/00 Pct Recovery = 103% Analysis Date = 03/12/00 Pct Recovery = 103% Analysis Date = 03/06/00 Pct Recovery = 103% Analysis Date = 03/06/00 Pct Recovery = 103% Analysis Date = 02/28/00 Pct Recovery = 103% Analysis Date = 02/28/00 Pct Recovery = 103% Analysis Date = 02/21/00 Pct Recovery = 103% Analysis Date = 02/21/00 Pct Recovery = 103% Analysis Date = 02/14/00 Pct Recovery = 103% Analysis Date = 02/14/00 Pct Recovery = 103% Analysis Date = 02/07/00 Pct Recovery = 103% Analysis Date = 02/07/00 Pct Recovery = 103% Analysis Date = 02/01/00 Pct Recovery = 104% Analysis Date = 02/01/00 Pct Recovery = 104% Analysis Date = 01/25/00 Pct Recovery = 104% Analysis Date = 01/25/00 Pct Recovery = 104% Analysis Date = 01/18/00 Pct Recovery = 104% Analysis Date = 01/18/00 Pct Recovery = 104% Analysis Date = 01/11/00 Pct Recovery = 104% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,2-DICHLOROETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 24 106% 9% 104% 7%
Total 24 106% 9% 104% 7%

Sample Statistics
1,2-DICHLOROETHANE

Characteristic N % % Basis
Plotted 24 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 24 .  
False Negatives 0 0% 0 out of 24
Not Spiked 12 .  
False Positives 0 0% 0 out of 12

BQS OBSP Determination:
1,2-DICHLOROPROPANE
METHOD: 4054 , TESTIDCODE: 34541GCM66
Open Data Set

Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 103% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 119% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 101% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 101% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 100% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 93% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 96% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 101% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 106% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 96% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 109% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 100% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 98% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 106% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 96% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 108% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 113% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 105% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 99% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 98% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 96% Analysis Date = 08/24/01 Pct Recovery = 110% Analysis Date = 08/22/01 Pct Recovery = 110% Analysis Date = 08/22/01 Pct Recovery = 110% Analysis Date = 08/19/01 Pct Recovery = 110% Analysis Date = 08/19/01 Pct Recovery = 110% Analysis Date = 08/16/01 Pct Recovery = 110% Analysis Date = 08/16/01 Pct Recovery = 110% Analysis Date = 08/13/01 Pct Recovery = 110% Analysis Date = 08/13/01 Pct Recovery = 110% Analysis Date = 08/10/01 Pct Recovery = 109% Analysis Date = 08/10/01 Pct Recovery = 109% Analysis Date = 08/07/01 Pct Recovery = 109% Analysis Date = 08/07/01 Pct Recovery = 109% Analysis Date = 08/04/01 Pct Recovery = 109% Analysis Date = 08/04/01 Pct Recovery = 109% Analysis Date = 08/01/01 Pct Recovery = 109% Analysis Date = 08/01/01 Pct Recovery = 109% Analysis Date = 07/29/01 Pct Recovery = 109% Analysis Date = 07/29/01 Pct Recovery = 109% Analysis Date = 07/26/01 Pct Recovery = 109% Analysis Date = 07/26/01 Pct Recovery = 109% Analysis Date = 07/23/01 Pct Recovery = 109% Analysis Date = 07/23/01 Pct Recovery = 109% Analysis Date = 07/20/01 Pct Recovery = 109% Analysis Date = 07/20/01 Pct Recovery = 109% Analysis Date = 07/17/01 Pct Recovery = 109% Analysis Date = 07/17/01 Pct Recovery = 109% Analysis Date = 07/14/01 Pct Recovery = 109% Analysis Date = 07/14/01 Pct Recovery = 109% Analysis Date = 07/11/01 Pct Recovery = 109% Analysis Date = 07/11/01 Pct Recovery = 109% Analysis Date = 07/08/01 Pct Recovery = 109% Analysis Date = 07/08/01 Pct Recovery = 109% Analysis Date = 07/05/01 Pct Recovery = 109% Analysis Date = 07/05/01 Pct Recovery = 109% Analysis Date = 07/02/01 Pct Recovery = 109% Analysis Date = 07/02/01 Pct Recovery = 109% Analysis Date = 06/29/01 Pct Recovery = 109% Analysis Date = 06/29/01 Pct Recovery = 109% Analysis Date = 06/26/01 Pct Recovery = 109% Analysis Date = 06/26/01 Pct Recovery = 109% Analysis Date = 06/23/01 Pct Recovery = 109% Analysis Date = 06/23/01 Pct Recovery = 109% Analysis Date = 06/20/01 Pct Recovery = 109% Analysis Date = 06/20/01 Pct Recovery = 109% Analysis Date = 06/17/01 Pct Recovery = 108% Analysis Date = 06/17/01 Pct Recovery = 108% Analysis Date = 06/15/01 Pct Recovery = 108% Analysis Date = 06/15/01 Pct Recovery = 108% Analysis Date = 06/12/01 Pct Recovery = 108% Analysis Date = 06/12/01 Pct Recovery = 108% Analysis Date = 06/09/01 Pct Recovery = 108% Analysis Date = 06/09/01 Pct Recovery = 108% Analysis Date = 06/06/01 Pct Recovery = 108% Analysis Date = 06/06/01 Pct Recovery = 108% Analysis Date = 06/03/01 Pct Recovery = 108% Analysis Date = 06/03/01 Pct Recovery = 108% Analysis Date = 05/31/01 Pct Recovery = 108% Analysis Date = 05/31/01 Pct Recovery = 108% Analysis Date = 05/28/01 Pct Recovery = 108% Analysis Date = 05/28/01 Pct Recovery = 108% Analysis Date = 05/25/01 Pct Recovery = 108% Analysis Date = 05/25/01 Pct Recovery = 108% Analysis Date = 05/22/01 Pct Recovery = 108% Analysis Date = 05/22/01 Pct Recovery = 108% Analysis Date = 05/19/01 Pct Recovery = 108% Analysis Date = 05/19/01 Pct Recovery = 108% Analysis Date = 05/16/01 Pct Recovery = 108% Analysis Date = 05/16/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/10/01 Pct Recovery = 108% Analysis Date = 05/10/01 Pct Recovery = 108% Analysis Date = 05/07/01 Pct Recovery = 108% Analysis Date = 05/07/01 Pct Recovery = 108% Analysis Date = 05/04/01 Pct Recovery = 108% Analysis Date = 05/04/01 Pct Recovery = 108% Analysis Date = 05/01/01 Pct Recovery = 108% Analysis Date = 05/01/01 Pct Recovery = 108% Analysis Date = 04/28/01 Pct Recovery = 108% Analysis Date = 04/28/01 Pct Recovery = 108% Analysis Date = 04/25/01 Pct Recovery = 107% Analysis Date = 04/25/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/16/01 Pct Recovery = 107% Analysis Date = 04/16/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/10/01 Pct Recovery = 107% Analysis Date = 04/10/01 Pct Recovery = 107% Analysis Date = 04/08/01 Pct Recovery = 107% Analysis Date = 04/08/01 Pct Recovery = 107% Analysis Date = 04/05/01 Pct Recovery = 107% Analysis Date = 04/05/01 Pct Recovery = 107% Analysis Date = 04/02/01 Pct Recovery = 107% Analysis Date = 04/02/01 Pct Recovery = 107% Analysis Date = 03/30/01 Pct Recovery = 107% Analysis Date = 03/30/01 Pct Recovery = 107% Analysis Date = 03/27/01 Pct Recovery = 107% Analysis Date = 03/27/01 Pct Recovery = 107% Analysis Date = 03/24/01 Pct Recovery = 107% Analysis Date = 03/24/01 Pct Recovery = 107% Analysis Date = 03/21/01 Pct Recovery = 107% Analysis Date = 03/21/01 Pct Recovery = 107% Analysis Date = 03/18/01 Pct Recovery = 107% Analysis Date = 03/18/01 Pct Recovery = 107% Analysis Date = 03/15/01 Pct Recovery = 107% Analysis Date = 03/15/01 Pct Recovery = 107% Analysis Date = 03/12/01 Pct Recovery = 107% Analysis Date = 03/12/01 Pct Recovery = 107% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 02/28/01 Pct Recovery = 106% Analysis Date = 02/28/01 Pct Recovery = 106% Analysis Date = 02/25/01 Pct Recovery = 106% Analysis Date = 02/25/01 Pct Recovery = 106% Analysis Date = 02/22/01 Pct Recovery = 106% Analysis Date = 02/22/01 Pct Recovery = 106% Analysis Date = 02/19/01 Pct Recovery = 106% Analysis Date = 02/19/01 Pct Recovery = 106% Analysis Date = 02/16/01 Pct Recovery = 106% Analysis Date = 02/16/01 Pct Recovery = 106% Analysis Date = 02/13/01 Pct Recovery = 106% Analysis Date = 02/13/01 Pct Recovery = 106% Analysis Date = 02/10/01 Pct Recovery = 106% Analysis Date = 02/10/01 Pct Recovery = 106% Analysis Date = 02/07/01 Pct Recovery = 105% Analysis Date = 02/07/01 Pct Recovery = 105% Analysis Date = 02/04/01 Pct Recovery = 105% Analysis Date = 02/04/01 Pct Recovery = 105% Analysis Date = 02/01/01 Pct Recovery = 105% Analysis Date = 02/01/01 Pct Recovery = 105% Analysis Date = 01/30/01 Pct Recovery = 105% Analysis Date = 01/30/01 Pct Recovery = 105% Analysis Date = 01/27/01 Pct Recovery = 105% Analysis Date = 01/27/01 Pct Recovery = 105% Analysis Date = 01/24/01 Pct Recovery = 105% Analysis Date = 01/24/01 Pct Recovery = 105% Analysis Date = 01/21/01 Pct Recovery = 105% Analysis Date = 01/21/01 Pct Recovery = 105% Analysis Date = 01/18/01 Pct Recovery = 105% Analysis Date = 01/18/01 Pct Recovery = 105% Analysis Date = 01/15/01 Pct Recovery = 105% Analysis Date = 01/15/01 Pct Recovery = 105% Analysis Date = 01/12/01 Pct Recovery = 104% Analysis Date = 01/12/01 Pct Recovery = 104% Analysis Date = 01/09/01 Pct Recovery = 104% Analysis Date = 01/09/01 Pct Recovery = 104% Analysis Date = 01/06/01 Pct Recovery = 104% Analysis Date = 01/06/01 Pct Recovery = 104% Analysis Date = 01/03/01 Pct Recovery = 104% Analysis Date = 01/03/01 Pct Recovery = 104% Analysis Date = 12/31/00 Pct Recovery = 104% Analysis Date = 12/31/00 Pct Recovery = 104% Analysis Date = 12/28/00 Pct Recovery = 104% Analysis Date = 12/28/00 Pct Recovery = 104% Analysis Date = 12/25/00 Pct Recovery = 104% Analysis Date = 12/25/00 Pct Recovery = 104% Analysis Date = 12/22/00 Pct Recovery = 104% Analysis Date = 12/22/00 Pct Recovery = 104% Analysis Date = 12/19/00 Pct Recovery = 104% Analysis Date = 12/19/00 Pct Recovery = 104% Analysis Date = 12/16/00 Pct Recovery = 103% Analysis Date = 12/16/00 Pct Recovery = 103% Analysis Date = 12/13/00 Pct Recovery = 103% Analysis Date = 12/13/00 Pct Recovery = 103% Analysis Date = 12/10/00 Pct Recovery = 103% Analysis Date = 12/10/00 Pct Recovery = 103% Analysis Date = 12/07/00 Pct Recovery = 103% Analysis Date = 12/07/00 Pct Recovery = 103% Analysis Date = 12/04/00 Pct Recovery = 103% Analysis Date = 12/04/00 Pct Recovery = 103% Analysis Date = 12/01/00 Pct Recovery = 103% Analysis Date = 12/01/00 Pct Recovery = 103% Analysis Date = 11/28/00 Pct Recovery = 103% Analysis Date = 11/28/00 Pct Recovery = 103% Analysis Date = 11/25/00 Pct Recovery = 103% Analysis Date = 11/25/00 Pct Recovery = 103% Analysis Date = 11/23/00 Pct Recovery = 103% Analysis Date = 11/23/00 Pct Recovery = 103% Analysis Date = 11/20/00 Pct Recovery = 103% Analysis Date = 11/20/00 Pct Recovery = 103% Analysis Date = 11/17/00 Pct Recovery = 102% Analysis Date = 11/17/00 Pct Recovery = 102% Analysis Date = 11/14/00 Pct Recovery = 102% Analysis Date = 11/14/00 Pct Recovery = 102% Analysis Date = 11/11/00 Pct Recovery = 102% Analysis Date = 11/11/00 Pct Recovery = 102% Analysis Date = 11/08/00 Pct Recovery = 102% Analysis Date = 11/08/00 Pct Recovery = 102% Analysis Date = 11/05/00 Pct Recovery = 102% Analysis Date = 11/05/00 Pct Recovery = 102% Analysis Date = 11/02/00 Pct Recovery = 102% Analysis Date = 11/02/00 Pct Recovery = 102% Analysis Date = 10/30/00 Pct Recovery = 102% Analysis Date = 10/30/00 Pct Recovery = 102% Analysis Date = 10/27/00 Pct Recovery = 102% Analysis Date = 10/27/00 Pct Recovery = 102% Analysis Date = 10/24/00 Pct Recovery = 102% Analysis Date = 10/24/00 Pct Recovery = 102% Analysis Date = 10/21/00 Pct Recovery = 102% Analysis Date = 10/21/00 Pct Recovery = 102% Analysis Date = 10/18/00 Pct Recovery = 102% Analysis Date = 10/18/00 Pct Recovery = 102% Analysis Date = 10/15/00 Pct Recovery = 102% Analysis Date = 10/15/00 Pct Recovery = 102% Analysis Date = 10/12/00 Pct Recovery = 102% Analysis Date = 10/12/00 Pct Recovery = 102% Analysis Date = 10/09/00 Pct Recovery = 102% Analysis Date = 10/09/00 Pct Recovery = 102% Analysis Date = 10/06/00 Pct Recovery = 102% Analysis Date = 10/06/00 Pct Recovery = 102% Analysis Date = 10/03/00 Pct Recovery = 102% Analysis Date = 10/03/00 Pct Recovery = 102% Analysis Date = 09/30/00 Pct Recovery = 102% Analysis Date = 09/30/00 Pct Recovery = 102% Analysis Date = 09/27/00 Pct Recovery = 102% Analysis Date = 09/27/00 Pct Recovery = 102% Analysis Date = 09/24/00 Pct Recovery = 102% Analysis Date = 09/24/00 Pct Recovery = 102% Analysis Date = 09/21/00 Pct Recovery = 102% Analysis Date = 09/21/00 Pct Recovery = 102% Analysis Date = 09/18/00 Pct Recovery = 102% Analysis Date = 09/18/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/10/00 Pct Recovery = 102% Analysis Date = 09/10/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/01/00 Pct Recovery = 102% Analysis Date = 09/01/00 Pct Recovery = 102% Analysis Date = 08/29/00 Pct Recovery = 102% Analysis Date = 08/29/00 Pct Recovery = 102% Analysis Date = 08/26/00 Pct Recovery = 102% Analysis Date = 08/26/00 Pct Recovery = 102% Analysis Date = 08/23/00 Pct Recovery = 102% Analysis Date = 08/23/00 Pct Recovery = 102% Analysis Date = 08/20/00 Pct Recovery = 101% Analysis Date = 08/20/00 Pct Recovery = 101% Analysis Date = 08/17/00 Pct Recovery = 101% Analysis Date = 08/17/00 Pct Recovery = 101% Analysis Date = 08/14/00 Pct Recovery = 101% Analysis Date = 08/14/00 Pct Recovery = 101% Analysis Date = 08/11/00 Pct Recovery = 101% Analysis Date = 08/11/00 Pct Recovery = 101% Analysis Date = 08/08/00 Pct Recovery = 101% Analysis Date = 08/08/00 Pct Recovery = 101% Analysis Date = 08/05/00 Pct Recovery = 101% Analysis Date = 08/05/00 Pct Recovery = 101% Analysis Date = 08/02/00 Pct Recovery = 101% Analysis Date = 08/02/00 Pct Recovery = 101% Analysis Date = 07/30/00 Pct Recovery = 101% Analysis Date = 07/30/00 Pct Recovery = 101% Analysis Date = 07/27/00 Pct Recovery = 101% Analysis Date = 07/27/00 Pct Recovery = 101% Analysis Date = 07/24/00 Pct Recovery = 101% Analysis Date = 07/24/00 Pct Recovery = 101% Analysis Date = 07/21/00 Pct Recovery = 101% Analysis Date = 07/21/00 Pct Recovery = 101% Analysis Date = 07/18/00 Pct Recovery = 101% Analysis Date = 07/18/00 Pct Recovery = 101% Analysis Date = 07/15/00 Pct Recovery = 101% Analysis Date = 07/15/00 Pct Recovery = 101% Analysis Date = 07/12/00 Pct Recovery = 101% Analysis Date = 07/12/00 Pct Recovery = 101% Analysis Date = 07/09/00 Pct Recovery = 101% Analysis Date = 07/09/00 Pct Recovery = 101% Analysis Date = 07/07/00 Pct Recovery = 101% Analysis Date = 07/07/00 Pct Recovery = 101% Analysis Date = 07/04/00 Pct Recovery = 101% Analysis Date = 07/04/00 Pct Recovery = 101% Analysis Date = 07/01/00 Pct Recovery = 101% Analysis Date = 07/01/00 Pct Recovery = 101% Analysis Date = 06/28/00 Pct Recovery = 101% Analysis Date = 06/28/00 Pct Recovery = 101% Analysis Date = 06/25/00 Pct Recovery = 101% Analysis Date = 06/25/00 Pct Recovery = 101% Analysis Date = 06/22/00 Pct Recovery = 101% Analysis Date = 06/22/00 Pct Recovery = 101% Analysis Date = 06/19/00 Pct Recovery = 101% Analysis Date = 06/19/00 Pct Recovery = 101% Analysis Date = 06/16/00 Pct Recovery = 101% Analysis Date = 06/16/00 Pct Recovery = 101% Analysis Date = 06/13/00 Pct Recovery = 101% Analysis Date = 06/13/00 Pct Recovery = 101% Analysis Date = 06/10/00 Pct Recovery = 101% Analysis Date = 06/10/00 Pct Recovery = 101% Analysis Date = 06/07/00 Pct Recovery = 101% Analysis Date = 06/07/00 Pct Recovery = 101% Analysis Date = 06/04/00 Pct Recovery = 101% Analysis Date = 06/04/00 Pct Recovery = 101% Analysis Date = 06/01/00 Pct Recovery = 101% Analysis Date = 06/01/00 Pct Recovery = 101% Analysis Date = 05/29/00 Pct Recovery = 101% Analysis Date = 05/29/00 Pct Recovery = 101% Analysis Date = 05/26/00 Pct Recovery = 101% Analysis Date = 05/26/00 Pct Recovery = 101% Analysis Date = 05/23/00 Pct Recovery = 102% Analysis Date = 05/23/00 Pct Recovery = 102% Analysis Date = 05/20/00 Pct Recovery = 102% Analysis Date = 05/20/00 Pct Recovery = 102% Analysis Date = 05/17/00 Pct Recovery = 102% Analysis Date = 05/17/00 Pct Recovery = 102% Analysis Date = 05/14/00 Pct Recovery = 102% Analysis Date = 05/14/00 Pct Recovery = 102% Analysis Date = 05/11/00 Pct Recovery = 102% Analysis Date = 05/11/00 Pct Recovery = 102% Analysis Date = 05/08/00 Pct Recovery = 102% Analysis Date = 05/08/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/24/00 Pct Recovery = 101% Analysis Date = 04/24/00 Pct Recovery = 101% Analysis Date = 04/21/00 Pct Recovery = 101% Analysis Date = 04/21/00 Pct Recovery = 101% Analysis Date = 04/18/00 Pct Recovery = 101% Analysis Date = 04/18/00 Pct Recovery = 101% Analysis Date = 04/15/00 Pct Recovery = 101% Analysis Date = 04/15/00 Pct Recovery = 101% Analysis Date = 04/12/00 Pct Recovery = 100% Analysis Date = 04/12/00 Pct Recovery = 100% Analysis Date = 04/09/00 Pct Recovery = 100% Analysis Date = 04/09/00 Pct Recovery = 100% Analysis Date = 04/06/00 Pct Recovery = 100% Analysis Date = 04/06/00 Pct Recovery = 100% Analysis Date = 04/03/00 Pct Recovery = 99% Analysis Date = 04/03/00 Pct Recovery = 99% Analysis Date = 03/31/00 Pct Recovery = 99% Analysis Date = 03/31/00 Pct Recovery = 99% Analysis Date = 03/28/00 Pct Recovery = 99% Analysis Date = 03/28/00 Pct Recovery = 99% Analysis Date = 03/25/00 Pct Recovery = 99% Analysis Date = 03/25/00 Pct Recovery = 99% Analysis Date = 03/22/00 Pct Recovery = 99% Analysis Date = 03/22/00 Pct Recovery = 99% Analysis Date = 03/19/00 Pct Recovery = 99% Analysis Date = 03/19/00 Pct Recovery = 99% Analysis Date = 03/16/00 Pct Recovery = 99% Analysis Date = 03/16/00 Pct Recovery = 99% Analysis Date = 03/13/00 Pct Recovery = 99% Analysis Date = 03/13/00 Pct Recovery = 99% Analysis Date = 03/10/00 Pct Recovery = 99% Analysis Date = 03/10/00 Pct Recovery = 99% Analysis Date = 03/07/00 Pct Recovery = 99% Analysis Date = 03/07/00 Pct Recovery = 99% Analysis Date = 03/04/00 Pct Recovery = 99% Analysis Date = 03/04/00 Pct Recovery = 99% Analysis Date = 03/01/00 Pct Recovery = 99% Analysis Date = 03/01/00 Pct Recovery = 99% Analysis Date = 02/27/00 Pct Recovery = 100% Analysis Date = 02/27/00 Pct Recovery = 100% Analysis Date = 02/24/00 Pct Recovery = 100% Analysis Date = 02/24/00 Pct Recovery = 100% Analysis Date = 02/22/00 Pct Recovery = 100% Analysis Date = 02/22/00 Pct Recovery = 100% Analysis Date = 02/19/00 Pct Recovery = 100% Analysis Date = 02/19/00 Pct Recovery = 100% Analysis Date = 02/16/00 Pct Recovery = 100% Analysis Date = 02/16/00 Pct Recovery = 100% Analysis Date = 02/13/00 Pct Recovery = 101% Analysis Date = 02/13/00 Pct Recovery = 101% Analysis Date = 02/10/00 Pct Recovery = 101% Analysis Date = 02/10/00 Pct Recovery = 101% Analysis Date = 02/07/00 Pct Recovery = 101% Analysis Date = 02/07/00 Pct Recovery = 101% Analysis Date = 02/04/00 Pct Recovery = 101% Analysis Date = 02/04/00 Pct Recovery = 101% Analysis Date = 02/01/00 Pct Recovery = 102% Analysis Date = 02/01/00 Pct Recovery = 102% Analysis Date = 01/29/00 Pct Recovery = 102% Analysis Date = 01/29/00 Pct Recovery = 102% Analysis Date = 01/26/00 Pct Recovery = 102% Analysis Date = 01/26/00 Pct Recovery = 102% Analysis Date = 01/23/00 Pct Recovery = 102% Analysis Date = 01/23/00 Pct Recovery = 102% Analysis Date = 01/20/00 Pct Recovery = 103% Analysis Date = 01/20/00 Pct Recovery = 103% Analysis Date = 01/17/00 Pct Recovery = 103% Analysis Date = 01/17/00 Pct Recovery = 103% Analysis Date = 01/14/00 Pct Recovery = 103% Analysis Date = 01/14/00 Pct Recovery = 103% Analysis Date = 01/11/00 Pct Recovery = 104% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,2-DICHLOROPROPANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 102% 6% 101% 6%
Total 21 102% 6% 101% 6%

Sample Statistics
1,2-DICHLOROPROPANE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
1,3,5-TRIMETHYLBENZENE
METHOD: 4054 , TESTIDCODE: 77226GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 101% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 97% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 100% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 92% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 104% Analysis Date = 11/15/00 Pct Recovery = 101% Analysis Date = 11/13/00 Pct Recovery = 101% Analysis Date = 11/13/00 Pct Recovery = 101% Analysis Date = 11/12/00 Pct Recovery = 101% Analysis Date = 11/12/00 Pct Recovery = 101% Analysis Date = 11/11/00 Pct Recovery = 101% Analysis Date = 11/11/00 Pct Recovery = 101% Analysis Date = 11/10/00 Pct Recovery = 101% Analysis Date = 11/10/00 Pct Recovery = 101% Analysis Date = 11/08/00 Pct Recovery = 101% Analysis Date = 11/08/00 Pct Recovery = 101% Analysis Date = 11/07/00 Pct Recovery = 101% Analysis Date = 11/07/00 Pct Recovery = 101% Analysis Date = 11/06/00 Pct Recovery = 101% Analysis Date = 11/06/00 Pct Recovery = 101% Analysis Date = 11/04/00 Pct Recovery = 101% Analysis Date = 11/04/00 Pct Recovery = 101% Analysis Date = 11/03/00 Pct Recovery = 101% Analysis Date = 11/03/00 Pct Recovery = 101% Analysis Date = 11/02/00 Pct Recovery = 100% Analysis Date = 11/02/00 Pct Recovery = 100% Analysis Date = 10/31/00 Pct Recovery = 100% Analysis Date = 10/31/00 Pct Recovery = 100% Analysis Date = 10/30/00 Pct Recovery = 100% Analysis Date = 10/30/00 Pct Recovery = 100% Analysis Date = 10/29/00 Pct Recovery = 100% Analysis Date = 10/29/00 Pct Recovery = 100% Analysis Date = 10/27/00 Pct Recovery = 100% Analysis Date = 10/27/00 Pct Recovery = 100% Analysis Date = 10/26/00 Pct Recovery = 100% Analysis Date = 10/26/00 Pct Recovery = 100% Analysis Date = 10/25/00 Pct Recovery = 100% Analysis Date = 10/25/00 Pct Recovery = 100% Analysis Date = 10/23/00 Pct Recovery = 100% Analysis Date = 10/23/00 Pct Recovery = 100% Analysis Date = 10/22/00 Pct Recovery = 100% Analysis Date = 10/22/00 Pct Recovery = 100% Analysis Date = 10/21/00 Pct Recovery = 100% Analysis Date = 10/21/00 Pct Recovery = 100% Analysis Date = 10/19/00 Pct Recovery = 100% Analysis Date = 10/19/00 Pct Recovery = 100% Analysis Date = 10/18/00 Pct Recovery = 100% Analysis Date = 10/18/00 Pct Recovery = 100% Analysis Date = 10/17/00 Pct Recovery = 100% Analysis Date = 10/17/00 Pct Recovery = 100% Analysis Date = 10/15/00 Pct Recovery = 100% Analysis Date = 10/15/00 Pct Recovery = 100% Analysis Date = 10/14/00 Pct Recovery = 100% Analysis Date = 10/14/00 Pct Recovery = 100% Analysis Date = 10/13/00 Pct Recovery = 100% Analysis Date = 10/13/00 Pct Recovery = 100% Analysis Date = 10/11/00 Pct Recovery = 100% Analysis Date = 10/11/00 Pct Recovery = 100% Analysis Date = 10/10/00 Pct Recovery = 100% Analysis Date = 10/10/00 Pct Recovery = 100% Analysis Date = 10/09/00 Pct Recovery = 100% Analysis Date = 10/09/00 Pct Recovery = 100% Analysis Date = 10/07/00 Pct Recovery = 99% Analysis Date = 10/07/00 Pct Recovery = 99% Analysis Date = 10/06/00 Pct Recovery = 99% Analysis Date = 10/06/00 Pct Recovery = 99% Analysis Date = 10/05/00 Pct Recovery = 99% Analysis Date = 10/05/00 Pct Recovery = 99% Analysis Date = 10/03/00 Pct Recovery = 99% Analysis Date = 10/03/00 Pct Recovery = 99% Analysis Date = 10/02/00 Pct Recovery = 99% Analysis Date = 10/02/00 Pct Recovery = 99% Analysis Date = 10/01/00 Pct Recovery = 99% Analysis Date = 10/01/00 Pct Recovery = 99% Analysis Date = 09/29/00 Pct Recovery = 99% Analysis Date = 09/29/00 Pct Recovery = 99% Analysis Date = 09/28/00 Pct Recovery = 99% Analysis Date = 09/28/00 Pct Recovery = 99% Analysis Date = 09/27/00 Pct Recovery = 99% Analysis Date = 09/27/00 Pct Recovery = 99% Analysis Date = 09/25/00 Pct Recovery = 99% Analysis Date = 09/25/00 Pct Recovery = 99% Analysis Date = 09/24/00 Pct Recovery = 99% Analysis Date = 09/24/00 Pct Recovery = 99% Analysis Date = 09/23/00 Pct Recovery = 99% Analysis Date = 09/23/00 Pct Recovery = 99% Analysis Date = 09/21/00 Pct Recovery = 99% Analysis Date = 09/21/00 Pct Recovery = 99% Analysis Date = 09/20/00 Pct Recovery = 99% Analysis Date = 09/20/00 Pct Recovery = 99% Analysis Date = 09/19/00 Pct Recovery = 99% Analysis Date = 09/19/00 Pct Recovery = 99% Analysis Date = 09/17/00 Pct Recovery = 99% Analysis Date = 09/17/00 Pct Recovery = 99% Analysis Date = 09/16/00 Pct Recovery = 99% Analysis Date = 09/16/00 Pct Recovery = 99% Analysis Date = 09/15/00 Pct Recovery = 99% Analysis Date = 09/15/00 Pct Recovery = 99% Analysis Date = 09/13/00 Pct Recovery = 99% Analysis Date = 09/13/00 Pct Recovery = 99% Analysis Date = 09/12/00 Pct Recovery = 98% Analysis Date = 09/12/00 Pct Recovery = 98% Analysis Date = 09/11/00 Pct Recovery = 98% Analysis Date = 09/11/00 Pct Recovery = 98% Analysis Date = 09/09/00 Pct Recovery = 98% Analysis Date = 09/09/00 Pct Recovery = 98% Analysis Date = 09/08/00 Pct Recovery = 98% Analysis Date = 09/08/00 Pct Recovery = 98% Analysis Date = 09/07/00 Pct Recovery = 98% Analysis Date = 09/07/00 Pct Recovery = 98% Analysis Date = 09/05/00 Pct Recovery = 98% Analysis Date = 09/05/00 Pct Recovery = 98% Analysis Date = 09/04/00 Pct Recovery = 98% Analysis Date = 09/04/00 Pct Recovery = 98% Analysis Date = 09/03/00 Pct Recovery = 98% Analysis Date = 09/03/00 Pct Recovery = 98% Analysis Date = 09/01/00 Pct Recovery = 98% Analysis Date = 09/01/00 Pct Recovery = 98% Analysis Date = 08/31/00 Pct Recovery = 98% Analysis Date = 08/31/00 Pct Recovery = 98% Analysis Date = 08/30/00 Pct Recovery = 98% Analysis Date = 08/30/00 Pct Recovery = 98% Analysis Date = 08/28/00 Pct Recovery = 98% Analysis Date = 08/28/00 Pct Recovery = 98% Analysis Date = 08/27/00 Pct Recovery = 98% Analysis Date = 08/27/00 Pct Recovery = 98% Analysis Date = 08/26/00 Pct Recovery = 98% Analysis Date = 08/26/00 Pct Recovery = 98% Analysis Date = 08/24/00 Pct Recovery = 98% Analysis Date = 08/24/00 Pct Recovery = 98% Analysis Date = 08/23/00 Pct Recovery = 98% Analysis Date = 08/23/00 Pct Recovery = 98% Analysis Date = 08/22/00 Pct Recovery = 98% Analysis Date = 08/22/00 Pct Recovery = 98% Analysis Date = 08/20/00 Pct Recovery = 98% Analysis Date = 08/20/00 Pct Recovery = 98% Analysis Date = 08/19/00 Pct Recovery = 98% Analysis Date = 08/19/00 Pct Recovery = 98% Analysis Date = 08/18/00 Pct Recovery = 97% Analysis Date = 08/18/00 Pct Recovery = 97% Analysis Date = 08/17/00 Pct Recovery = 97% Analysis Date = 08/17/00 Pct Recovery = 97% Analysis Date = 08/15/00 Pct Recovery = 97% Analysis Date = 08/15/00 Pct Recovery = 97% Analysis Date = 08/14/00 Pct Recovery = 97% Analysis Date = 08/14/00 Pct Recovery = 97% Analysis Date = 08/13/00 Pct Recovery = 98% Analysis Date = 08/13/00 Pct Recovery = 98% Analysis Date = 08/11/00 Pct Recovery = 98% Analysis Date = 08/11/00 Pct Recovery = 98% Analysis Date = 08/10/00 Pct Recovery = 98% Analysis Date = 08/10/00 Pct Recovery = 98% Analysis Date = 08/09/00 Pct Recovery = 98% Analysis Date = 08/09/00 Pct Recovery = 98% Analysis Date = 08/07/00 Pct Recovery = 98% Analysis Date = 08/07/00 Pct Recovery = 98% Analysis Date = 08/06/00 Pct Recovery = 98% Analysis Date = 08/06/00 Pct Recovery = 98% Analysis Date = 08/05/00 Pct Recovery = 98% Analysis Date = 08/05/00 Pct Recovery = 98% Analysis Date = 08/03/00 Pct Recovery = 98% Analysis Date = 08/03/00 Pct Recovery = 98% Analysis Date = 08/02/00 Pct Recovery = 98% Analysis Date = 08/02/00 Pct Recovery = 98% Analysis Date = 08/01/00 Pct Recovery = 98% Analysis Date = 08/01/00 Pct Recovery = 98% Analysis Date = 07/30/00 Pct Recovery = 98% Analysis Date = 07/30/00 Pct Recovery = 98% Analysis Date = 07/29/00 Pct Recovery = 98% Analysis Date = 07/29/00 Pct Recovery = 98% Analysis Date = 07/28/00 Pct Recovery = 98% Analysis Date = 07/28/00 Pct Recovery = 98% Analysis Date = 07/26/00 Pct Recovery = 98% Analysis Date = 07/26/00 Pct Recovery = 98% Analysis Date = 07/25/00 Pct Recovery = 98% Analysis Date = 07/25/00 Pct Recovery = 98% Analysis Date = 07/24/00 Pct Recovery = 98% Analysis Date = 07/24/00 Pct Recovery = 98% Analysis Date = 07/22/00 Pct Recovery = 98% Analysis Date = 07/22/00 Pct Recovery = 98% Analysis Date = 07/21/00 Pct Recovery = 98% Analysis Date = 07/21/00 Pct Recovery = 98% Analysis Date = 07/20/00 Pct Recovery = 99% Analysis Date = 07/20/00 Pct Recovery = 99% Analysis Date = 07/18/00 Pct Recovery = 99% Analysis Date = 07/18/00 Pct Recovery = 99% Analysis Date = 07/17/00 Pct Recovery = 99% Analysis Date = 07/17/00 Pct Recovery = 99% Analysis Date = 07/16/00 Pct Recovery = 99% Analysis Date = 07/16/00 Pct Recovery = 99% Analysis Date = 07/14/00 Pct Recovery = 99% Analysis Date = 07/14/00 Pct Recovery = 99% Analysis Date = 07/13/00 Pct Recovery = 99% Analysis Date = 07/13/00 Pct Recovery = 99% Analysis Date = 07/12/00 Pct Recovery = 99% Analysis Date = 07/12/00 Pct Recovery = 99% Analysis Date = 07/10/00 Pct Recovery = 99% Analysis Date = 07/10/00 Pct Recovery = 99% Analysis Date = 07/09/00 Pct Recovery = 99% Analysis Date = 07/09/00 Pct Recovery = 99% Analysis Date = 07/08/00 Pct Recovery = 99% Analysis Date = 07/08/00 Pct Recovery = 99% Analysis Date = 07/06/00 Pct Recovery = 99% Analysis Date = 07/06/00 Pct Recovery = 99% Analysis Date = 07/05/00 Pct Recovery = 99% Analysis Date = 07/05/00 Pct Recovery = 99% Analysis Date = 07/04/00 Pct Recovery = 99% Analysis Date = 07/04/00 Pct Recovery = 99% Analysis Date = 07/02/00 Pct Recovery = 99% Analysis Date = 07/02/00 Pct Recovery = 99% Analysis Date = 07/01/00 Pct Recovery = 99% Analysis Date = 07/01/00 Pct Recovery = 99% Analysis Date = 06/30/00 Pct Recovery = 99% Analysis Date = 06/30/00 Pct Recovery = 99% Analysis Date = 06/28/00 Pct Recovery = 99% Analysis Date = 06/28/00 Pct Recovery = 99% Analysis Date = 06/27/00 Pct Recovery = 99% Analysis Date = 06/27/00 Pct Recovery = 99% Analysis Date = 06/26/00 Pct Recovery = 100% Analysis Date = 06/26/00 Pct Recovery = 100% Analysis Date = 06/24/00 Pct Recovery = 100% Analysis Date = 06/24/00 Pct Recovery = 100% Analysis Date = 06/23/00 Pct Recovery = 100% Analysis Date = 06/23/00 Pct Recovery = 100% Analysis Date = 06/22/00 Pct Recovery = 100% Analysis Date = 06/22/00 Pct Recovery = 100% Analysis Date = 06/20/00 Pct Recovery = 100% Analysis Date = 06/20/00 Pct Recovery = 100% Analysis Date = 06/19/00 Pct Recovery = 100% Analysis Date = 06/19/00 Pct Recovery = 100% Analysis Date = 06/18/00 Pct Recovery = 100% Analysis Date = 06/18/00 Pct Recovery = 100% Analysis Date = 06/16/00 Pct Recovery = 100% Analysis Date = 06/16/00 Pct Recovery = 100% Analysis Date = 06/15/00 Pct Recovery = 100% Analysis Date = 06/15/00 Pct Recovery = 100% Analysis Date = 06/14/00 Pct Recovery = 100% Analysis Date = 06/14/00 Pct Recovery = 100% Analysis Date = 06/12/00 Pct Recovery = 100% Analysis Date = 06/12/00 Pct Recovery = 100% Analysis Date = 06/11/00 Pct Recovery = 99% Analysis Date = 06/11/00 Pct Recovery = 99% Analysis Date = 06/10/00 Pct Recovery = 99% Analysis Date = 06/10/00 Pct Recovery = 99% Analysis Date = 06/08/00 Pct Recovery = 99% Analysis Date = 06/08/00 Pct Recovery = 99% Analysis Date = 06/07/00 Pct Recovery = 99% Analysis Date = 06/07/00 Pct Recovery = 99% Analysis Date = 06/06/00 Pct Recovery = 99% Analysis Date = 06/06/00 Pct Recovery = 99% Analysis Date = 06/04/00 Pct Recovery = 98% Analysis Date = 06/04/00 Pct Recovery = 98% Analysis Date = 06/03/00 Pct Recovery = 98% Analysis Date = 06/03/00 Pct Recovery = 98% Analysis Date = 06/02/00 Pct Recovery = 98% Analysis Date = 06/02/00 Pct Recovery = 98% Analysis Date = 05/31/00 Pct Recovery = 98% Analysis Date = 05/31/00 Pct Recovery = 98% Analysis Date = 05/30/00 Pct Recovery = 97% Analysis Date = 05/30/00 Pct Recovery = 97% Analysis Date = 05/29/00 Pct Recovery = 97% Analysis Date = 05/29/00 Pct Recovery = 97% Analysis Date = 05/27/00 Pct Recovery = 97% Analysis Date = 05/27/00 Pct Recovery = 97% Analysis Date = 05/26/00 Pct Recovery = 97% Analysis Date = 05/26/00 Pct Recovery = 97% Analysis Date = 05/25/00 Pct Recovery = 97% Analysis Date = 05/25/00 Pct Recovery = 97% Analysis Date = 05/24/00 Pct Recovery = 96% Analysis Date = 05/24/00 Pct Recovery = 96% Analysis Date = 05/22/00 Pct Recovery = 96% Analysis Date = 05/22/00 Pct Recovery = 96% Analysis Date = 05/21/00 Pct Recovery = 96% Analysis Date = 05/21/00 Pct Recovery = 96% Analysis Date = 05/20/00 Pct Recovery = 96% Analysis Date = 05/20/00 Pct Recovery = 96% Analysis Date = 05/18/00 Pct Recovery = 95% Analysis Date = 05/18/00 Pct Recovery = 95% Analysis Date = 05/17/00 Pct Recovery = 95% Analysis Date = 05/17/00 Pct Recovery = 95% Analysis Date = 05/16/00 Pct Recovery = 95% Analysis Date = 05/16/00 Pct Recovery = 95% Analysis Date = 05/14/00 Pct Recovery = 95% Analysis Date = 05/14/00 Pct Recovery = 95% Analysis Date = 05/13/00 Pct Recovery = 95% Analysis Date = 05/13/00 Pct Recovery = 95% Analysis Date = 05/12/00 Pct Recovery = 94% Analysis Date = 05/12/00 Pct Recovery = 94% Analysis Date = 05/10/00 Pct Recovery = 94% Analysis Date = 05/10/00 Pct Recovery = 94% Analysis Date = 05/09/00 Pct Recovery = 94% Analysis Date = 05/09/00 Pct Recovery = 94% Analysis Date = 05/08/00 Pct Recovery = 94% Analysis Date = 05/08/00 Pct Recovery = 94% Analysis Date = 05/06/00 Pct Recovery = 94% Analysis Date = 05/06/00 Pct Recovery = 94% Analysis Date = 05/05/00 Pct Recovery = 93% Analysis Date = 05/05/00 Pct Recovery = 93% Analysis Date = 05/04/00 Pct Recovery = 93% Analysis Date = 05/04/00 Pct Recovery = 93% Analysis Date = 05/02/00 Pct Recovery = 93% Analysis Date = 05/02/00 Pct Recovery = 93% Analysis Date = 05/01/00 Pct Recovery = 93% Analysis Date = 05/01/00 Pct Recovery = 93% Analysis Date = 04/30/00 Pct Recovery = 92% Analysis Date = 04/30/00 Pct Recovery = 92% Analysis Date = 04/28/00 Pct Recovery = 92% Analysis Date = 04/28/00 Pct Recovery = 92% Analysis Date = 04/27/00 Pct Recovery = 92% Analysis Date = 04/27/00 Pct Recovery = 92% Analysis Date = 04/26/00 Pct Recovery = 92% Analysis Date = 04/26/00 Pct Recovery = 92% Analysis Date = 04/24/00 Pct Recovery = 93% Analysis Date = 04/24/00 Pct Recovery = 93% Analysis Date = 04/23/00 Pct Recovery = 93% Analysis Date = 04/23/00 Pct Recovery = 93% Analysis Date = 04/22/00 Pct Recovery = 93% Analysis Date = 04/22/00 Pct Recovery = 93% Analysis Date = 04/20/00 Pct Recovery = 93% Analysis Date = 04/20/00 Pct Recovery = 93% Analysis Date = 04/19/00 Pct Recovery = 94% Analysis Date = 04/19/00 Pct Recovery = 94% Analysis Date = 04/18/00 Pct Recovery = 94% Analysis Date = 04/18/00 Pct Recovery = 94% Analysis Date = 04/16/00 Pct Recovery = 94% Analysis Date = 04/16/00 Pct Recovery = 94% Analysis Date = 04/15/00 Pct Recovery = 94% Analysis Date = 04/15/00 Pct Recovery = 94% Analysis Date = 04/14/00 Pct Recovery = 95% Analysis Date = 04/14/00 Pct Recovery = 95% Analysis Date = 04/12/00 Pct Recovery = 95% Analysis Date = 04/12/00 Pct Recovery = 95% Analysis Date = 04/11/00 Pct Recovery = 95% Analysis Date = 04/11/00 Pct Recovery = 95% Analysis Date = 04/10/00 Pct Recovery = 95% Analysis Date = 04/10/00 Pct Recovery = 95% Analysis Date = 04/08/00 Pct Recovery = 96% Analysis Date = 04/08/00 Pct Recovery = 96% Analysis Date = 04/07/00 Pct Recovery = 96% Analysis Date = 04/07/00 Pct Recovery = 96% Analysis Date = 04/06/00 Pct Recovery = 96% Analysis Date = 04/06/00 Pct Recovery = 96% Analysis Date = 04/04/00 Pct Recovery = 96% Analysis Date = 04/04/00 Pct Recovery = 96% Analysis Date = 04/03/00 Pct Recovery = 97% Analysis Date = 04/03/00 Pct Recovery = 97% Analysis Date = 04/02/00 Pct Recovery = 97% Analysis Date = 04/02/00 Pct Recovery = 97% Analysis Date = 03/31/00 Pct Recovery = 97% Analysis Date = 03/31/00 Pct Recovery = 97% Analysis Date = 03/30/00 Pct Recovery = 97% Analysis Date = 03/30/00 Pct Recovery = 97% Analysis Date = 03/29/00 Pct Recovery = 98% Analysis Date = 03/29/00 Pct Recovery = 98% Analysis Date = 03/27/00 Pct Recovery = 98% Analysis Date = 03/27/00 Pct Recovery = 98% Analysis Date = 03/26/00 Pct Recovery = 98% Analysis Date = 03/26/00 Pct Recovery = 98% Analysis Date = 03/25/00 Pct Recovery = 99% Analysis Date = 03/25/00 Pct Recovery = 99% Analysis Date = 03/23/00 Pct Recovery = 99% Analysis Date = 03/23/00 Pct Recovery = 99% Analysis Date = 03/22/00 Pct Recovery = 99% Analysis Date = 03/22/00 Pct Recovery = 99% Analysis Date = 03/21/00 Pct Recovery = 99% Analysis Date = 03/21/00 Pct Recovery = 99% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/18/00 Pct Recovery = 100% Analysis Date = 03/18/00 Pct Recovery = 100% Analysis Date = 03/17/00 Pct Recovery = 100% Analysis Date = 03/17/00 Pct Recovery = 100% Analysis Date = 03/15/00 Pct Recovery = 100% Analysis Date = 03/15/00 Pct Recovery = 100% Analysis Date = 03/14/00 Pct Recovery = 101% Analysis Date = 03/14/00 Pct Recovery = 101% Analysis Date = 03/13/00 Pct Recovery = 101% Analysis Date = 03/13/00 Pct Recovery = 101% Analysis Date = 03/11/00 Pct Recovery = 101% Analysis Date = 03/11/00 Pct Recovery = 101% Analysis Date = 03/10/00 Pct Recovery = 101% Analysis Date = 03/10/00 Pct Recovery = 101% Analysis Date = 03/09/00 Pct Recovery = 102% Analysis Date = 03/09/00 Pct Recovery = 102% Analysis Date = 03/07/00 Pct Recovery = 102% Analysis Date = 03/07/00 Pct Recovery = 102% Analysis Date = 03/06/00 Pct Recovery = 102% Analysis Date = 03/06/00 Pct Recovery = 102% Analysis Date = 03/05/00 Pct Recovery = 102% Analysis Date = 03/05/00 Pct Recovery = 102% Analysis Date = 03/03/00 Pct Recovery = 103% Analysis Date = 03/03/00 Pct Recovery = 103% Analysis Date = 03/02/00 Pct Recovery = 103% Analysis Date = 03/02/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 02/28/00 Pct Recovery = 103% Analysis Date = 02/28/00 Pct Recovery = 103% Analysis Date = 02/27/00 Pct Recovery = 104% Analysis Date = 02/27/00 Pct Recovery = 104% Analysis Date = 02/26/00 Pct Recovery = 104% Analysis Date = 02/26/00 Pct Recovery = 104% Analysis Date = 02/25/00 Pct Recovery = 104% Analysis Date = 02/25/00 Pct Recovery = 104% Analysis Date = 02/23/00 Pct Recovery = 104% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,3,5-TRIMETHYLBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 99% 5% 100% 3%
Total 5 99% 5% 100% 3%

Sample Statistics
1,3,5-TRIMETHYLBENZENE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
1,3-DICHLOROBENZENE
METHOD: 4054 , TESTIDCODE: 34566GCM66
Open Data Set

Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 104% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 93% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 104% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 110% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 98% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 88% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 92% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 94% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 98% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 91% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 91% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 92% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 93% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 107% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 101% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 109% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 96% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 99% Analysis Date = 08/24/01 Pct Recovery = 106% Analysis Date = 08/22/01 Pct Recovery = 106% Analysis Date = 08/22/01 Pct Recovery = 106% Analysis Date = 08/19/01 Pct Recovery = 106% Analysis Date = 08/19/01 Pct Recovery = 106% Analysis Date = 08/16/01 Pct Recovery = 106% Analysis Date = 08/16/01 Pct Recovery = 106% Analysis Date = 08/13/01 Pct Recovery = 106% Analysis Date = 08/13/01 Pct Recovery = 106% Analysis Date = 08/10/01 Pct Recovery = 106% Analysis Date = 08/10/01 Pct Recovery = 106% Analysis Date = 08/07/01 Pct Recovery = 106% Analysis Date = 08/07/01 Pct Recovery = 106% Analysis Date = 08/04/01 Pct Recovery = 105% Analysis Date = 08/04/01 Pct Recovery = 105% Analysis Date = 08/01/01 Pct Recovery = 105% Analysis Date = 08/01/01 Pct Recovery = 105% Analysis Date = 07/29/01 Pct Recovery = 105% Analysis Date = 07/29/01 Pct Recovery = 105% Analysis Date = 07/26/01 Pct Recovery = 105% Analysis Date = 07/26/01 Pct Recovery = 105% Analysis Date = 07/23/01 Pct Recovery = 105% Analysis Date = 07/23/01 Pct Recovery = 105% Analysis Date = 07/20/01 Pct Recovery = 105% Analysis Date = 07/20/01 Pct Recovery = 105% Analysis Date = 07/17/01 Pct Recovery = 105% Analysis Date = 07/17/01 Pct Recovery = 105% Analysis Date = 07/14/01 Pct Recovery = 105% Analysis Date = 07/14/01 Pct Recovery = 105% Analysis Date = 07/11/01 Pct Recovery = 105% Analysis Date = 07/11/01 Pct Recovery = 105% Analysis Date = 07/08/01 Pct Recovery = 105% Analysis Date = 07/08/01 Pct Recovery = 105% Analysis Date = 07/05/01 Pct Recovery = 105% Analysis Date = 07/05/01 Pct Recovery = 105% Analysis Date = 07/02/01 Pct Recovery = 105% Analysis Date = 07/02/01 Pct Recovery = 105% Analysis Date = 06/29/01 Pct Recovery = 105% Analysis Date = 06/29/01 Pct Recovery = 105% Analysis Date = 06/26/01 Pct Recovery = 105% Analysis Date = 06/26/01 Pct Recovery = 105% Analysis Date = 06/23/01 Pct Recovery = 105% Analysis Date = 06/23/01 Pct Recovery = 105% Analysis Date = 06/20/01 Pct Recovery = 105% Analysis Date = 06/20/01 Pct Recovery = 105% Analysis Date = 06/17/01 Pct Recovery = 105% Analysis Date = 06/17/01 Pct Recovery = 105% Analysis Date = 06/15/01 Pct Recovery = 105% Analysis Date = 06/15/01 Pct Recovery = 105% Analysis Date = 06/12/01 Pct Recovery = 105% Analysis Date = 06/12/01 Pct Recovery = 105% Analysis Date = 06/09/01 Pct Recovery = 105% Analysis Date = 06/09/01 Pct Recovery = 105% Analysis Date = 06/06/01 Pct Recovery = 105% Analysis Date = 06/06/01 Pct Recovery = 105% Analysis Date = 06/03/01 Pct Recovery = 105% Analysis Date = 06/03/01 Pct Recovery = 105% Analysis Date = 05/31/01 Pct Recovery = 105% Analysis Date = 05/31/01 Pct Recovery = 105% Analysis Date = 05/28/01 Pct Recovery = 105% Analysis Date = 05/28/01 Pct Recovery = 105% Analysis Date = 05/25/01 Pct Recovery = 105% Analysis Date = 05/25/01 Pct Recovery = 105% Analysis Date = 05/22/01 Pct Recovery = 105% Analysis Date = 05/22/01 Pct Recovery = 105% Analysis Date = 05/19/01 Pct Recovery = 104% Analysis Date = 05/19/01 Pct Recovery = 104% Analysis Date = 05/16/01 Pct Recovery = 104% Analysis Date = 05/16/01 Pct Recovery = 104% Analysis Date = 05/13/01 Pct Recovery = 104% Analysis Date = 05/13/01 Pct Recovery = 104% Analysis Date = 05/10/01 Pct Recovery = 104% Analysis Date = 05/10/01 Pct Recovery = 104% Analysis Date = 05/07/01 Pct Recovery = 104% Analysis Date = 05/07/01 Pct Recovery = 104% Analysis Date = 05/04/01 Pct Recovery = 104% Analysis Date = 05/04/01 Pct Recovery = 104% Analysis Date = 05/01/01 Pct Recovery = 104% Analysis Date = 05/01/01 Pct Recovery = 104% Analysis Date = 04/28/01 Pct Recovery = 104% Analysis Date = 04/28/01 Pct Recovery = 104% Analysis Date = 04/25/01 Pct Recovery = 104% Analysis Date = 04/25/01 Pct Recovery = 104% Analysis Date = 04/22/01 Pct Recovery = 104% Analysis Date = 04/22/01 Pct Recovery = 104% Analysis Date = 04/19/01 Pct Recovery = 104% Analysis Date = 04/19/01 Pct Recovery = 104% Analysis Date = 04/16/01 Pct Recovery = 104% Analysis Date = 04/16/01 Pct Recovery = 104% Analysis Date = 04/13/01 Pct Recovery = 104% Analysis Date = 04/13/01 Pct Recovery = 104% Analysis Date = 04/10/01 Pct Recovery = 104% Analysis Date = 04/10/01 Pct Recovery = 104% Analysis Date = 04/08/01 Pct Recovery = 104% Analysis Date = 04/08/01 Pct Recovery = 104% Analysis Date = 04/05/01 Pct Recovery = 104% Analysis Date = 04/05/01 Pct Recovery = 104% Analysis Date = 04/02/01 Pct Recovery = 104% Analysis Date = 04/02/01 Pct Recovery = 104% Analysis Date = 03/30/01 Pct Recovery = 104% Analysis Date = 03/30/01 Pct Recovery = 104% Analysis Date = 03/27/01 Pct Recovery = 104% Analysis Date = 03/27/01 Pct Recovery = 104% Analysis Date = 03/24/01 Pct Recovery = 104% Analysis Date = 03/24/01 Pct Recovery = 104% Analysis Date = 03/21/01 Pct Recovery = 104% Analysis Date = 03/21/01 Pct Recovery = 104% Analysis Date = 03/18/01 Pct Recovery = 104% Analysis Date = 03/18/01 Pct Recovery = 104% Analysis Date = 03/15/01 Pct Recovery = 104% Analysis Date = 03/15/01 Pct Recovery = 104% Analysis Date = 03/12/01 Pct Recovery = 104% Analysis Date = 03/12/01 Pct Recovery = 104% Analysis Date = 03/09/01 Pct Recovery = 104% Analysis Date = 03/09/01 Pct Recovery = 104% Analysis Date = 03/06/01 Pct Recovery = 104% Analysis Date = 03/06/01 Pct Recovery = 104% Analysis Date = 03/03/01 Pct Recovery = 104% Analysis Date = 03/03/01 Pct Recovery = 104% Analysis Date = 02/28/01 Pct Recovery = 103% Analysis Date = 02/28/01 Pct Recovery = 103% Analysis Date = 02/25/01 Pct Recovery = 103% Analysis Date = 02/25/01 Pct Recovery = 103% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/19/01 Pct Recovery = 103% Analysis Date = 02/19/01 Pct Recovery = 103% Analysis Date = 02/16/01 Pct Recovery = 103% Analysis Date = 02/16/01 Pct Recovery = 103% Analysis Date = 02/13/01 Pct Recovery = 103% Analysis Date = 02/13/01 Pct Recovery = 103% Analysis Date = 02/10/01 Pct Recovery = 103% Analysis Date = 02/10/01 Pct Recovery = 103% Analysis Date = 02/07/01 Pct Recovery = 103% Analysis Date = 02/07/01 Pct Recovery = 103% Analysis Date = 02/04/01 Pct Recovery = 103% Analysis Date = 02/04/01 Pct Recovery = 103% Analysis Date = 02/01/01 Pct Recovery = 103% Analysis Date = 02/01/01 Pct Recovery = 103% Analysis Date = 01/30/01 Pct Recovery = 103% Analysis Date = 01/30/01 Pct Recovery = 103% Analysis Date = 01/27/01 Pct Recovery = 103% Analysis Date = 01/27/01 Pct Recovery = 103% Analysis Date = 01/24/01 Pct Recovery = 103% Analysis Date = 01/24/01 Pct Recovery = 103% Analysis Date = 01/21/01 Pct Recovery = 103% Analysis Date = 01/21/01 Pct Recovery = 103% Analysis Date = 01/18/01 Pct Recovery = 103% Analysis Date = 01/18/01 Pct Recovery = 103% Analysis Date = 01/15/01 Pct Recovery = 103% Analysis Date = 01/15/01 Pct Recovery = 103% Analysis Date = 01/12/01 Pct Recovery = 103% Analysis Date = 01/12/01 Pct Recovery = 103% Analysis Date = 01/09/01 Pct Recovery = 103% Analysis Date = 01/09/01 Pct Recovery = 103% Analysis Date = 01/06/01 Pct Recovery = 103% Analysis Date = 01/06/01 Pct Recovery = 103% Analysis Date = 01/03/01 Pct Recovery = 103% Analysis Date = 01/03/01 Pct Recovery = 103% Analysis Date = 12/31/00 Pct Recovery = 103% Analysis Date = 12/31/00 Pct Recovery = 103% Analysis Date = 12/28/00 Pct Recovery = 103% Analysis Date = 12/28/00 Pct Recovery = 103% Analysis Date = 12/25/00 Pct Recovery = 103% Analysis Date = 12/25/00 Pct Recovery = 103% Analysis Date = 12/22/00 Pct Recovery = 103% Analysis Date = 12/22/00 Pct Recovery = 103% Analysis Date = 12/19/00 Pct Recovery = 103% Analysis Date = 12/19/00 Pct Recovery = 103% Analysis Date = 12/16/00 Pct Recovery = 103% Analysis Date = 12/16/00 Pct Recovery = 103% Analysis Date = 12/13/00 Pct Recovery = 103% Analysis Date = 12/13/00 Pct Recovery = 103% Analysis Date = 12/10/00 Pct Recovery = 103% Analysis Date = 12/10/00 Pct Recovery = 103% Analysis Date = 12/07/00 Pct Recovery = 103% Analysis Date = 12/07/00 Pct Recovery = 103% Analysis Date = 12/04/00 Pct Recovery = 103% Analysis Date = 12/04/00 Pct Recovery = 103% Analysis Date = 12/01/00 Pct Recovery = 103% Analysis Date = 12/01/00 Pct Recovery = 103% Analysis Date = 11/28/00 Pct Recovery = 103% Analysis Date = 11/28/00 Pct Recovery = 103% Analysis Date = 11/25/00 Pct Recovery = 103% Analysis Date = 11/25/00 Pct Recovery = 103% Analysis Date = 11/23/00 Pct Recovery = 103% Analysis Date = 11/23/00 Pct Recovery = 103% Analysis Date = 11/20/00 Pct Recovery = 103% Analysis Date = 11/20/00 Pct Recovery = 103% Analysis Date = 11/17/00 Pct Recovery = 102% Analysis Date = 11/17/00 Pct Recovery = 102% Analysis Date = 11/14/00 Pct Recovery = 102% Analysis Date = 11/14/00 Pct Recovery = 102% Analysis Date = 11/11/00 Pct Recovery = 102% Analysis Date = 11/11/00 Pct Recovery = 102% Analysis Date = 11/08/00 Pct Recovery = 102% Analysis Date = 11/08/00 Pct Recovery = 102% Analysis Date = 11/05/00 Pct Recovery = 102% Analysis Date = 11/05/00 Pct Recovery = 102% Analysis Date = 11/02/00 Pct Recovery = 102% Analysis Date = 11/02/00 Pct Recovery = 102% Analysis Date = 10/30/00 Pct Recovery = 102% Analysis Date = 10/30/00 Pct Recovery = 102% Analysis Date = 10/27/00 Pct Recovery = 102% Analysis Date = 10/27/00 Pct Recovery = 102% Analysis Date = 10/24/00 Pct Recovery = 102% Analysis Date = 10/24/00 Pct Recovery = 102% Analysis Date = 10/21/00 Pct Recovery = 102% Analysis Date = 10/21/00 Pct Recovery = 102% Analysis Date = 10/18/00 Pct Recovery = 102% Analysis Date = 10/18/00 Pct Recovery = 102% Analysis Date = 10/15/00 Pct Recovery = 102% Analysis Date = 10/15/00 Pct Recovery = 102% Analysis Date = 10/12/00 Pct Recovery = 102% Analysis Date = 10/12/00 Pct Recovery = 102% Analysis Date = 10/09/00 Pct Recovery = 102% Analysis Date = 10/09/00 Pct Recovery = 102% Analysis Date = 10/06/00 Pct Recovery = 102% Analysis Date = 10/06/00 Pct Recovery = 102% Analysis Date = 10/03/00 Pct Recovery = 102% Analysis Date = 10/03/00 Pct Recovery = 102% Analysis Date = 09/30/00 Pct Recovery = 102% Analysis Date = 09/30/00 Pct Recovery = 102% Analysis Date = 09/27/00 Pct Recovery = 102% Analysis Date = 09/27/00 Pct Recovery = 102% Analysis Date = 09/24/00 Pct Recovery = 102% Analysis Date = 09/24/00 Pct Recovery = 102% Analysis Date = 09/21/00 Pct Recovery = 102% Analysis Date = 09/21/00 Pct Recovery = 102% Analysis Date = 09/18/00 Pct Recovery = 102% Analysis Date = 09/18/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/10/00 Pct Recovery = 102% Analysis Date = 09/10/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/01/00 Pct Recovery = 102% Analysis Date = 09/01/00 Pct Recovery = 102% Analysis Date = 08/29/00 Pct Recovery = 102% Analysis Date = 08/29/00 Pct Recovery = 102% Analysis Date = 08/26/00 Pct Recovery = 102% Analysis Date = 08/26/00 Pct Recovery = 102% Analysis Date = 08/23/00 Pct Recovery = 102% Analysis Date = 08/23/00 Pct Recovery = 102% Analysis Date = 08/20/00 Pct Recovery = 102% Analysis Date = 08/20/00 Pct Recovery = 102% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/27/00 Pct Recovery = 102% Analysis Date = 07/27/00 Pct Recovery = 102% Analysis Date = 07/24/00 Pct Recovery = 102% Analysis Date = 07/24/00 Pct Recovery = 102% Analysis Date = 07/21/00 Pct Recovery = 102% Analysis Date = 07/21/00 Pct Recovery = 102% Analysis Date = 07/18/00 Pct Recovery = 102% Analysis Date = 07/18/00 Pct Recovery = 102% Analysis Date = 07/15/00 Pct Recovery = 102% Analysis Date = 07/15/00 Pct Recovery = 102% Analysis Date = 07/12/00 Pct Recovery = 102% Analysis Date = 07/12/00 Pct Recovery = 102% Analysis Date = 07/09/00 Pct Recovery = 102% Analysis Date = 07/09/00 Pct Recovery = 102% Analysis Date = 07/07/00 Pct Recovery = 102% Analysis Date = 07/07/00 Pct Recovery = 102% Analysis Date = 07/04/00 Pct Recovery = 102% Analysis Date = 07/04/00 Pct Recovery = 102% Analysis Date = 07/01/00 Pct Recovery = 102% Analysis Date = 07/01/00 Pct Recovery = 102% Analysis Date = 06/28/00 Pct Recovery = 102% Analysis Date = 06/28/00 Pct Recovery = 102% Analysis Date = 06/25/00 Pct Recovery = 102% Analysis Date = 06/25/00 Pct Recovery = 102% Analysis Date = 06/22/00 Pct Recovery = 102% Analysis Date = 06/22/00 Pct Recovery = 102% Analysis Date = 06/19/00 Pct Recovery = 102% Analysis Date = 06/19/00 Pct Recovery = 102% Analysis Date = 06/16/00 Pct Recovery = 102% Analysis Date = 06/16/00 Pct Recovery = 102% Analysis Date = 06/13/00 Pct Recovery = 102% Analysis Date = 06/13/00 Pct Recovery = 102% Analysis Date = 06/10/00 Pct Recovery = 102% Analysis Date = 06/10/00 Pct Recovery = 102% Analysis Date = 06/07/00 Pct Recovery = 102% Analysis Date = 06/07/00 Pct Recovery = 102% Analysis Date = 06/04/00 Pct Recovery = 102% Analysis Date = 06/04/00 Pct Recovery = 102% Analysis Date = 06/01/00 Pct Recovery = 102% Analysis Date = 06/01/00 Pct Recovery = 102% Analysis Date = 05/29/00 Pct Recovery = 102% Analysis Date = 05/29/00 Pct Recovery = 102% Analysis Date = 05/26/00 Pct Recovery = 102% Analysis Date = 05/26/00 Pct Recovery = 102% Analysis Date = 05/23/00 Pct Recovery = 102% Analysis Date = 05/23/00 Pct Recovery = 102% Analysis Date = 05/20/00 Pct Recovery = 102% Analysis Date = 05/20/00 Pct Recovery = 102% Analysis Date = 05/17/00 Pct Recovery = 102% Analysis Date = 05/17/00 Pct Recovery = 102% Analysis Date = 05/14/00 Pct Recovery = 101% Analysis Date = 05/14/00 Pct Recovery = 101% Analysis Date = 05/11/00 Pct Recovery = 100% Analysis Date = 05/11/00 Pct Recovery = 100% Analysis Date = 05/08/00 Pct Recovery = 100% Analysis Date = 05/08/00 Pct Recovery = 100% Analysis Date = 05/05/00 Pct Recovery = 99% Analysis Date = 05/05/00 Pct Recovery = 99% Analysis Date = 05/02/00 Pct Recovery = 98% Analysis Date = 05/02/00 Pct Recovery = 98% Analysis Date = 04/30/00 Pct Recovery = 98% Analysis Date = 04/30/00 Pct Recovery = 98% Analysis Date = 04/27/00 Pct Recovery = 97% Analysis Date = 04/27/00 Pct Recovery = 97% Analysis Date = 04/24/00 Pct Recovery = 97% Analysis Date = 04/24/00 Pct Recovery = 97% Analysis Date = 04/21/00 Pct Recovery = 96% Analysis Date = 04/21/00 Pct Recovery = 96% Analysis Date = 04/18/00 Pct Recovery = 96% Analysis Date = 04/18/00 Pct Recovery = 96% Analysis Date = 04/15/00 Pct Recovery = 95% Analysis Date = 04/15/00 Pct Recovery = 95% Analysis Date = 04/12/00 Pct Recovery = 95% Analysis Date = 04/12/00 Pct Recovery = 95% Analysis Date = 04/09/00 Pct Recovery = 94% Analysis Date = 04/09/00 Pct Recovery = 94% Analysis Date = 04/06/00 Pct Recovery = 94% Analysis Date = 04/06/00 Pct Recovery = 94% Analysis Date = 04/03/00 Pct Recovery = 94% Analysis Date = 04/03/00 Pct Recovery = 94% Analysis Date = 03/31/00 Pct Recovery = 94% Analysis Date = 03/31/00 Pct Recovery = 94% Analysis Date = 03/28/00 Pct Recovery = 94% Analysis Date = 03/28/00 Pct Recovery = 94% Analysis Date = 03/25/00 Pct Recovery = 93% Analysis Date = 03/25/00 Pct Recovery = 93% Analysis Date = 03/22/00 Pct Recovery = 93% Analysis Date = 03/22/00 Pct Recovery = 93% Analysis Date = 03/19/00 Pct Recovery = 93% Analysis Date = 03/19/00 Pct Recovery = 93% Analysis Date = 03/16/00 Pct Recovery = 93% Analysis Date = 03/16/00 Pct Recovery = 93% Analysis Date = 03/13/00 Pct Recovery = 93% Analysis Date = 03/13/00 Pct Recovery = 93% Analysis Date = 03/10/00 Pct Recovery = 93% Analysis Date = 03/10/00 Pct Recovery = 93% Analysis Date = 03/07/00 Pct Recovery = 93% Analysis Date = 03/07/00 Pct Recovery = 93% Analysis Date = 03/04/00 Pct Recovery = 93% Analysis Date = 03/04/00 Pct Recovery = 93% Analysis Date = 03/01/00 Pct Recovery = 93% Analysis Date = 03/01/00 Pct Recovery = 93% Analysis Date = 02/27/00 Pct Recovery = 93% Analysis Date = 02/27/00 Pct Recovery = 93% Analysis Date = 02/24/00 Pct Recovery = 93% Analysis Date = 02/24/00 Pct Recovery = 93% Analysis Date = 02/22/00 Pct Recovery = 93% Analysis Date = 02/22/00 Pct Recovery = 93% Analysis Date = 02/19/00 Pct Recovery = 93% Analysis Date = 02/19/00 Pct Recovery = 93% Analysis Date = 02/16/00 Pct Recovery = 93% Analysis Date = 02/16/00 Pct Recovery = 93% Analysis Date = 02/13/00 Pct Recovery = 93% Analysis Date = 02/13/00 Pct Recovery = 93% Analysis Date = 02/10/00 Pct Recovery = 93% Analysis Date = 02/10/00 Pct Recovery = 93% Analysis Date = 02/07/00 Pct Recovery = 93% Analysis Date = 02/07/00 Pct Recovery = 93% Analysis Date = 02/04/00 Pct Recovery = 93% Analysis Date = 02/04/00 Pct Recovery = 93% Analysis Date = 02/01/00 Pct Recovery = 93% Analysis Date = 02/01/00 Pct Recovery = 93% Analysis Date = 01/29/00 Pct Recovery = 93% Analysis Date = 01/29/00 Pct Recovery = 93% Analysis Date = 01/26/00 Pct Recovery = 93% Analysis Date = 01/26/00 Pct Recovery = 93% Analysis Date = 01/23/00 Pct Recovery = 93% Analysis Date = 01/23/00 Pct Recovery = 93% Analysis Date = 01/20/00 Pct Recovery = 93% Analysis Date = 01/20/00 Pct Recovery = 93% Analysis Date = 01/17/00 Pct Recovery = 93% Analysis Date = 01/17/00 Pct Recovery = 93% Analysis Date = 01/14/00 Pct Recovery = 93% Analysis Date = 01/14/00 Pct Recovery = 93% Analysis Date = 01/11/00 Pct Recovery = 93% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,3-DICHLOROBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 18 98% 7% 97% 8%
Total 18 98% 7% 97% 8%

Sample Statistics
1,3-DICHLOROBENZENE

Characteristic N % % Basis
Plotted 18 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 18 .  
False Negatives 0 0% 0 out of 18
Not Spiked 18 .  
False Positives 0 0% 0 out of 18

BQS OBSP Determination:
1,3-DICHLOROPROPANE
METHOD: 4054 , TESTIDCODE: 77173GCM66
Open Data Set

Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 104% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 97% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 109% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 110% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 100% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 97% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 106% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 107% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 103% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 101% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 103% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 113% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 106% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 109% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 109% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 109% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 113% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 111% Analysis Date = 08/24/01 Pct Recovery = 108% Analysis Date = 08/22/01 Pct Recovery = 108% Analysis Date = 08/22/01 Pct Recovery = 108% Analysis Date = 08/19/01 Pct Recovery = 108% Analysis Date = 08/19/01 Pct Recovery = 108% Analysis Date = 08/16/01 Pct Recovery = 108% Analysis Date = 08/16/01 Pct Recovery = 108% Analysis Date = 08/13/01 Pct Recovery = 108% Analysis Date = 08/13/01 Pct Recovery = 108% Analysis Date = 08/10/01 Pct Recovery = 108% Analysis Date = 08/10/01 Pct Recovery = 108% Analysis Date = 08/07/01 Pct Recovery = 108% Analysis Date = 08/07/01 Pct Recovery = 108% Analysis Date = 08/04/01 Pct Recovery = 108% Analysis Date = 08/04/01 Pct Recovery = 108% Analysis Date = 08/01/01 Pct Recovery = 108% Analysis Date = 08/01/01 Pct Recovery = 108% Analysis Date = 07/29/01 Pct Recovery = 108% Analysis Date = 07/29/01 Pct Recovery = 108% Analysis Date = 07/26/01 Pct Recovery = 108% Analysis Date = 07/26/01 Pct Recovery = 108% Analysis Date = 07/23/01 Pct Recovery = 108% Analysis Date = 07/23/01 Pct Recovery = 108% Analysis Date = 07/20/01 Pct Recovery = 108% Analysis Date = 07/20/01 Pct Recovery = 108% Analysis Date = 07/17/01 Pct Recovery = 108% Analysis Date = 07/17/01 Pct Recovery = 108% Analysis Date = 07/14/01 Pct Recovery = 108% Analysis Date = 07/14/01 Pct Recovery = 108% Analysis Date = 07/11/01 Pct Recovery = 108% Analysis Date = 07/11/01 Pct Recovery = 108% Analysis Date = 07/08/01 Pct Recovery = 108% Analysis Date = 07/08/01 Pct Recovery = 108% Analysis Date = 07/05/01 Pct Recovery = 108% Analysis Date = 07/05/01 Pct Recovery = 108% Analysis Date = 07/02/01 Pct Recovery = 108% Analysis Date = 07/02/01 Pct Recovery = 108% Analysis Date = 06/29/01 Pct Recovery = 108% Analysis Date = 06/29/01 Pct Recovery = 108% Analysis Date = 06/26/01 Pct Recovery = 108% Analysis Date = 06/26/01 Pct Recovery = 108% Analysis Date = 06/23/01 Pct Recovery = 108% Analysis Date = 06/23/01 Pct Recovery = 108% Analysis Date = 06/20/01 Pct Recovery = 108% Analysis Date = 06/20/01 Pct Recovery = 108% Analysis Date = 06/17/01 Pct Recovery = 108% Analysis Date = 06/17/01 Pct Recovery = 108% Analysis Date = 06/15/01 Pct Recovery = 108% Analysis Date = 06/15/01 Pct Recovery = 108% Analysis Date = 06/12/01 Pct Recovery = 108% Analysis Date = 06/12/01 Pct Recovery = 108% Analysis Date = 06/09/01 Pct Recovery = 108% Analysis Date = 06/09/01 Pct Recovery = 108% Analysis Date = 06/06/01 Pct Recovery = 108% Analysis Date = 06/06/01 Pct Recovery = 108% Analysis Date = 06/03/01 Pct Recovery = 108% Analysis Date = 06/03/01 Pct Recovery = 108% Analysis Date = 05/31/01 Pct Recovery = 108% Analysis Date = 05/31/01 Pct Recovery = 108% Analysis Date = 05/28/01 Pct Recovery = 108% Analysis Date = 05/28/01 Pct Recovery = 108% Analysis Date = 05/25/01 Pct Recovery = 108% Analysis Date = 05/25/01 Pct Recovery = 108% Analysis Date = 05/22/01 Pct Recovery = 107% Analysis Date = 05/22/01 Pct Recovery = 107% Analysis Date = 05/19/01 Pct Recovery = 107% Analysis Date = 05/19/01 Pct Recovery = 107% Analysis Date = 05/16/01 Pct Recovery = 107% Analysis Date = 05/16/01 Pct Recovery = 107% Analysis Date = 05/13/01 Pct Recovery = 107% Analysis Date = 05/13/01 Pct Recovery = 107% Analysis Date = 05/10/01 Pct Recovery = 107% Analysis Date = 05/10/01 Pct Recovery = 107% Analysis Date = 05/07/01 Pct Recovery = 107% Analysis Date = 05/07/01 Pct Recovery = 107% Analysis Date = 05/04/01 Pct Recovery = 107% Analysis Date = 05/04/01 Pct Recovery = 107% Analysis Date = 05/01/01 Pct Recovery = 107% Analysis Date = 05/01/01 Pct Recovery = 107% Analysis Date = 04/28/01 Pct Recovery = 107% Analysis Date = 04/28/01 Pct Recovery = 107% Analysis Date = 04/25/01 Pct Recovery = 107% Analysis Date = 04/25/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/16/01 Pct Recovery = 107% Analysis Date = 04/16/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/10/01 Pct Recovery = 107% Analysis Date = 04/10/01 Pct Recovery = 107% Analysis Date = 04/08/01 Pct Recovery = 107% Analysis Date = 04/08/01 Pct Recovery = 107% Analysis Date = 04/05/01 Pct Recovery = 107% Analysis Date = 04/05/01 Pct Recovery = 107% Analysis Date = 04/02/01 Pct Recovery = 107% Analysis Date = 04/02/01 Pct Recovery = 107% Analysis Date = 03/30/01 Pct Recovery = 107% Analysis Date = 03/30/01 Pct Recovery = 107% Analysis Date = 03/27/01 Pct Recovery = 107% Analysis Date = 03/27/01 Pct Recovery = 107% Analysis Date = 03/24/01 Pct Recovery = 107% Analysis Date = 03/24/01 Pct Recovery = 107% Analysis Date = 03/21/01 Pct Recovery = 107% Analysis Date = 03/21/01 Pct Recovery = 107% Analysis Date = 03/18/01 Pct Recovery = 107% Analysis Date = 03/18/01 Pct Recovery = 107% Analysis Date = 03/15/01 Pct Recovery = 107% Analysis Date = 03/15/01 Pct Recovery = 107% Analysis Date = 03/12/01 Pct Recovery = 107% Analysis Date = 03/12/01 Pct Recovery = 107% Analysis Date = 03/09/01 Pct Recovery = 107% Analysis Date = 03/09/01 Pct Recovery = 107% Analysis Date = 03/06/01 Pct Recovery = 107% Analysis Date = 03/06/01 Pct Recovery = 107% Analysis Date = 03/03/01 Pct Recovery = 107% Analysis Date = 03/03/01 Pct Recovery = 107% Analysis Date = 02/28/01 Pct Recovery = 107% Analysis Date = 02/28/01 Pct Recovery = 107% Analysis Date = 02/25/01 Pct Recovery = 107% Analysis Date = 02/25/01 Pct Recovery = 107% Analysis Date = 02/22/01 Pct Recovery = 107% Analysis Date = 02/22/01 Pct Recovery = 107% Analysis Date = 02/19/01 Pct Recovery = 107% Analysis Date = 02/19/01 Pct Recovery = 107% Analysis Date = 02/16/01 Pct Recovery = 107% Analysis Date = 02/16/01 Pct Recovery = 107% Analysis Date = 02/13/01 Pct Recovery = 107% Analysis Date = 02/13/01 Pct Recovery = 107% Analysis Date = 02/10/01 Pct Recovery = 107% Analysis Date = 02/10/01 Pct Recovery = 107% Analysis Date = 02/07/01 Pct Recovery = 107% Analysis Date = 02/07/01 Pct Recovery = 107% Analysis Date = 02/04/01 Pct Recovery = 107% Analysis Date = 02/04/01 Pct Recovery = 107% Analysis Date = 02/01/01 Pct Recovery = 107% Analysis Date = 02/01/01 Pct Recovery = 107% Analysis Date = 01/30/01 Pct Recovery = 107% Analysis Date = 01/30/01 Pct Recovery = 107% Analysis Date = 01/27/01 Pct Recovery = 107% Analysis Date = 01/27/01 Pct Recovery = 107% Analysis Date = 01/24/01 Pct Recovery = 107% Analysis Date = 01/24/01 Pct Recovery = 107% Analysis Date = 01/21/01 Pct Recovery = 107% Analysis Date = 01/21/01 Pct Recovery = 107% Analysis Date = 01/18/01 Pct Recovery = 107% Analysis Date = 01/18/01 Pct Recovery = 107% Analysis Date = 01/15/01 Pct Recovery = 107% Analysis Date = 01/15/01 Pct Recovery = 107% Analysis Date = 01/12/01 Pct Recovery = 107% Analysis Date = 01/12/01 Pct Recovery = 107% Analysis Date = 01/09/01 Pct Recovery = 107% Analysis Date = 01/09/01 Pct Recovery = 107% Analysis Date = 01/06/01 Pct Recovery = 107% Analysis Date = 01/06/01 Pct Recovery = 107% Analysis Date = 01/03/01 Pct Recovery = 107% Analysis Date = 01/03/01 Pct Recovery = 107% Analysis Date = 12/31/00 Pct Recovery = 107% Analysis Date = 12/31/00 Pct Recovery = 107% Analysis Date = 12/28/00 Pct Recovery = 107% Analysis Date = 12/28/00 Pct Recovery = 107% Analysis Date = 12/25/00 Pct Recovery = 107% Analysis Date = 12/25/00 Pct Recovery = 107% Analysis Date = 12/22/00 Pct Recovery = 107% Analysis Date = 12/22/00 Pct Recovery = 107% Analysis Date = 12/19/00 Pct Recovery = 107% Analysis Date = 12/19/00 Pct Recovery = 107% Analysis Date = 12/16/00 Pct Recovery = 107% Analysis Date = 12/16/00 Pct Recovery = 107% Analysis Date = 12/13/00 Pct Recovery = 107% Analysis Date = 12/13/00 Pct Recovery = 107% Analysis Date = 12/10/00 Pct Recovery = 107% Analysis Date = 12/10/00 Pct Recovery = 107% Analysis Date = 12/07/00 Pct Recovery = 107% Analysis Date = 12/07/00 Pct Recovery = 107% Analysis Date = 12/04/00 Pct Recovery = 107% Analysis Date = 12/04/00 Pct Recovery = 107% Analysis Date = 12/01/00 Pct Recovery = 107% Analysis Date = 12/01/00 Pct Recovery = 107% Analysis Date = 11/28/00 Pct Recovery = 107% Analysis Date = 11/28/00 Pct Recovery = 107% Analysis Date = 11/25/00 Pct Recovery = 107% Analysis Date = 11/25/00 Pct Recovery = 107% Analysis Date = 11/23/00 Pct Recovery = 107% Analysis Date = 11/23/00 Pct Recovery = 107% Analysis Date = 11/20/00 Pct Recovery = 107% Analysis Date = 11/20/00 Pct Recovery = 107% Analysis Date = 11/17/00 Pct Recovery = 107% Analysis Date = 11/17/00 Pct Recovery = 107% Analysis Date = 11/14/00 Pct Recovery = 107% Analysis Date = 11/14/00 Pct Recovery = 107% Analysis Date = 11/11/00 Pct Recovery = 107% Analysis Date = 11/11/00 Pct Recovery = 107% Analysis Date = 11/08/00 Pct Recovery = 107% Analysis Date = 11/08/00 Pct Recovery = 107% Analysis Date = 11/05/00 Pct Recovery = 107% Analysis Date = 11/05/00 Pct Recovery = 107% Analysis Date = 11/02/00 Pct Recovery = 107% Analysis Date = 11/02/00 Pct Recovery = 107% Analysis Date = 10/30/00 Pct Recovery = 107% Analysis Date = 10/30/00 Pct Recovery = 107% Analysis Date = 10/27/00 Pct Recovery = 107% Analysis Date = 10/27/00 Pct Recovery = 107% Analysis Date = 10/24/00 Pct Recovery = 107% Analysis Date = 10/24/00 Pct Recovery = 107% Analysis Date = 10/21/00 Pct Recovery = 107% Analysis Date = 10/21/00 Pct Recovery = 107% Analysis Date = 10/18/00 Pct Recovery = 107% Analysis Date = 10/18/00 Pct Recovery = 107% Analysis Date = 10/15/00 Pct Recovery = 107% Analysis Date = 10/15/00 Pct Recovery = 107% Analysis Date = 10/12/00 Pct Recovery = 107% Analysis Date = 10/12/00 Pct Recovery = 107% Analysis Date = 10/09/00 Pct Recovery = 107% Analysis Date = 10/09/00 Pct Recovery = 107% Analysis Date = 10/06/00 Pct Recovery = 107% Analysis Date = 10/06/00 Pct Recovery = 107% Analysis Date = 10/03/00 Pct Recovery = 107% Analysis Date = 10/03/00 Pct Recovery = 107% Analysis Date = 09/30/00 Pct Recovery = 107% Analysis Date = 09/30/00 Pct Recovery = 107% Analysis Date = 09/27/00 Pct Recovery = 107% Analysis Date = 09/27/00 Pct Recovery = 107% Analysis Date = 09/24/00 Pct Recovery = 107% Analysis Date = 09/24/00 Pct Recovery = 107% Analysis Date = 09/21/00 Pct Recovery = 107% Analysis Date = 09/21/00 Pct Recovery = 107% Analysis Date = 09/18/00 Pct Recovery = 107% Analysis Date = 09/18/00 Pct Recovery = 107% Analysis Date = 09/15/00 Pct Recovery = 107% Analysis Date = 09/15/00 Pct Recovery = 107% Analysis Date = 09/13/00 Pct Recovery = 107% Analysis Date = 09/13/00 Pct Recovery = 107% Analysis Date = 09/10/00 Pct Recovery = 107% Analysis Date = 09/10/00 Pct Recovery = 107% Analysis Date = 09/07/00 Pct Recovery = 107% Analysis Date = 09/07/00 Pct Recovery = 107% Analysis Date = 09/04/00 Pct Recovery = 107% Analysis Date = 09/04/00 Pct Recovery = 107% Analysis Date = 09/01/00 Pct Recovery = 107% Analysis Date = 09/01/00 Pct Recovery = 107% Analysis Date = 08/29/00 Pct Recovery = 107% Analysis Date = 08/29/00 Pct Recovery = 107% Analysis Date = 08/26/00 Pct Recovery = 107% Analysis Date = 08/26/00 Pct Recovery = 107% Analysis Date = 08/23/00 Pct Recovery = 107% Analysis Date = 08/23/00 Pct Recovery = 107% Analysis Date = 08/20/00 Pct Recovery = 107% Analysis Date = 08/20/00 Pct Recovery = 107% Analysis Date = 08/17/00 Pct Recovery = 107% Analysis Date = 08/17/00 Pct Recovery = 107% Analysis Date = 08/14/00 Pct Recovery = 107% Analysis Date = 08/14/00 Pct Recovery = 107% Analysis Date = 08/11/00 Pct Recovery = 107% Analysis Date = 08/11/00 Pct Recovery = 107% Analysis Date = 08/08/00 Pct Recovery = 107% Analysis Date = 08/08/00 Pct Recovery = 107% Analysis Date = 08/05/00 Pct Recovery = 107% Analysis Date = 08/05/00 Pct Recovery = 107% Analysis Date = 08/02/00 Pct Recovery = 107% Analysis Date = 08/02/00 Pct Recovery = 107% Analysis Date = 07/30/00 Pct Recovery = 107% Analysis Date = 07/30/00 Pct Recovery = 107% Analysis Date = 07/27/00 Pct Recovery = 107% Analysis Date = 07/27/00 Pct Recovery = 107% Analysis Date = 07/24/00 Pct Recovery = 107% Analysis Date = 07/24/00 Pct Recovery = 107% Analysis Date = 07/21/00 Pct Recovery = 107% Analysis Date = 07/21/00 Pct Recovery = 107% Analysis Date = 07/18/00 Pct Recovery = 107% Analysis Date = 07/18/00 Pct Recovery = 107% Analysis Date = 07/15/00 Pct Recovery = 107% Analysis Date = 07/15/00 Pct Recovery = 107% Analysis Date = 07/12/00 Pct Recovery = 107% Analysis Date = 07/12/00 Pct Recovery = 107% Analysis Date = 07/09/00 Pct Recovery = 107% Analysis Date = 07/09/00 Pct Recovery = 107% Analysis Date = 07/07/00 Pct Recovery = 107% Analysis Date = 07/07/00 Pct Recovery = 107% Analysis Date = 07/04/00 Pct Recovery = 107% Analysis Date = 07/04/00 Pct Recovery = 107% Analysis Date = 07/01/00 Pct Recovery = 107% Analysis Date = 07/01/00 Pct Recovery = 107% Analysis Date = 06/28/00 Pct Recovery = 107% Analysis Date = 06/28/00 Pct Recovery = 107% Analysis Date = 06/25/00 Pct Recovery = 107% Analysis Date = 06/25/00 Pct Recovery = 107% Analysis Date = 06/22/00 Pct Recovery = 107% Analysis Date = 06/22/00 Pct Recovery = 107% Analysis Date = 06/19/00 Pct Recovery = 107% Analysis Date = 06/19/00 Pct Recovery = 107% Analysis Date = 06/16/00 Pct Recovery = 107% Analysis Date = 06/16/00 Pct Recovery = 107% Analysis Date = 06/13/00 Pct Recovery = 107% Analysis Date = 06/13/00 Pct Recovery = 107% Analysis Date = 06/10/00 Pct Recovery = 107% Analysis Date = 06/10/00 Pct Recovery = 107% Analysis Date = 06/07/00 Pct Recovery = 108% Analysis Date = 06/07/00 Pct Recovery = 108% Analysis Date = 06/04/00 Pct Recovery = 108% Analysis Date = 06/04/00 Pct Recovery = 108% Analysis Date = 06/01/00 Pct Recovery = 108% Analysis Date = 06/01/00 Pct Recovery = 108% Analysis Date = 05/29/00 Pct Recovery = 108% Analysis Date = 05/29/00 Pct Recovery = 108% Analysis Date = 05/26/00 Pct Recovery = 108% Analysis Date = 05/26/00 Pct Recovery = 108% Analysis Date = 05/23/00 Pct Recovery = 108% Analysis Date = 05/23/00 Pct Recovery = 108% Analysis Date = 05/20/00 Pct Recovery = 108% Analysis Date = 05/20/00 Pct Recovery = 108% Analysis Date = 05/17/00 Pct Recovery = 108% Analysis Date = 05/17/00 Pct Recovery = 108% Analysis Date = 05/14/00 Pct Recovery = 108% Analysis Date = 05/14/00 Pct Recovery = 108% Analysis Date = 05/11/00 Pct Recovery = 108% Analysis Date = 05/11/00 Pct Recovery = 108% Analysis Date = 05/08/00 Pct Recovery = 107% Analysis Date = 05/08/00 Pct Recovery = 107% Analysis Date = 05/05/00 Pct Recovery = 107% Analysis Date = 05/05/00 Pct Recovery = 107% Analysis Date = 05/02/00 Pct Recovery = 107% Analysis Date = 05/02/00 Pct Recovery = 107% Analysis Date = 04/30/00 Pct Recovery = 107% Analysis Date = 04/30/00 Pct Recovery = 107% Analysis Date = 04/27/00 Pct Recovery = 107% Analysis Date = 04/27/00 Pct Recovery = 107% Analysis Date = 04/24/00 Pct Recovery = 107% Analysis Date = 04/24/00 Pct Recovery = 107% Analysis Date = 04/21/00 Pct Recovery = 107% Analysis Date = 04/21/00 Pct Recovery = 107% Analysis Date = 04/18/00 Pct Recovery = 106% Analysis Date = 04/18/00 Pct Recovery = 106% Analysis Date = 04/15/00 Pct Recovery = 106% Analysis Date = 04/15/00 Pct Recovery = 106% Analysis Date = 04/12/00 Pct Recovery = 106% Analysis Date = 04/12/00 Pct Recovery = 106% Analysis Date = 04/09/00 Pct Recovery = 106% Analysis Date = 04/09/00 Pct Recovery = 106% Analysis Date = 04/06/00 Pct Recovery = 106% Analysis Date = 04/06/00 Pct Recovery = 106% Analysis Date = 04/03/00 Pct Recovery = 106% Analysis Date = 04/03/00 Pct Recovery = 106% Analysis Date = 03/31/00 Pct Recovery = 106% Analysis Date = 03/31/00 Pct Recovery = 106% Analysis Date = 03/28/00 Pct Recovery = 106% Analysis Date = 03/28/00 Pct Recovery = 106% Analysis Date = 03/25/00 Pct Recovery = 106% Analysis Date = 03/25/00 Pct Recovery = 106% Analysis Date = 03/22/00 Pct Recovery = 105% Analysis Date = 03/22/00 Pct Recovery = 105% Analysis Date = 03/19/00 Pct Recovery = 105% Analysis Date = 03/19/00 Pct Recovery = 105% Analysis Date = 03/16/00 Pct Recovery = 105% Analysis Date = 03/16/00 Pct Recovery = 105% Analysis Date = 03/13/00 Pct Recovery = 105% Analysis Date = 03/13/00 Pct Recovery = 105% Analysis Date = 03/10/00 Pct Recovery = 105% Analysis Date = 03/10/00 Pct Recovery = 105% Analysis Date = 03/07/00 Pct Recovery = 105% Analysis Date = 03/07/00 Pct Recovery = 105% Analysis Date = 03/04/00 Pct Recovery = 105% Analysis Date = 03/04/00 Pct Recovery = 105% Analysis Date = 03/01/00 Pct Recovery = 105% Analysis Date = 03/01/00 Pct Recovery = 105% Analysis Date = 02/27/00 Pct Recovery = 104% Analysis Date = 02/27/00 Pct Recovery = 104% Analysis Date = 02/24/00 Pct Recovery = 104% Analysis Date = 02/24/00 Pct Recovery = 104% Analysis Date = 02/22/00 Pct Recovery = 104% Analysis Date = 02/22/00 Pct Recovery = 104% Analysis Date = 02/19/00 Pct Recovery = 104% Analysis Date = 02/19/00 Pct Recovery = 104% Analysis Date = 02/16/00 Pct Recovery = 104% Analysis Date = 02/16/00 Pct Recovery = 104% Analysis Date = 02/13/00 Pct Recovery = 104% Analysis Date = 02/13/00 Pct Recovery = 104% Analysis Date = 02/10/00 Pct Recovery = 104% Analysis Date = 02/10/00 Pct Recovery = 104% Analysis Date = 02/07/00 Pct Recovery = 104% Analysis Date = 02/07/00 Pct Recovery = 104% Analysis Date = 02/04/00 Pct Recovery = 104% Analysis Date = 02/04/00 Pct Recovery = 104% Analysis Date = 02/01/00 Pct Recovery = 104% Analysis Date = 02/01/00 Pct Recovery = 104% Analysis Date = 01/29/00 Pct Recovery = 104% Analysis Date = 01/29/00 Pct Recovery = 104% Analysis Date = 01/26/00 Pct Recovery = 104% Analysis Date = 01/26/00 Pct Recovery = 104% Analysis Date = 01/23/00 Pct Recovery = 104% Analysis Date = 01/23/00 Pct Recovery = 104% Analysis Date = 01/20/00 Pct Recovery = 103% Analysis Date = 01/20/00 Pct Recovery = 103% Analysis Date = 01/17/00 Pct Recovery = 103% Analysis Date = 01/17/00 Pct Recovery = 103% Analysis Date = 01/14/00 Pct Recovery = 103% Analysis Date = 01/14/00 Pct Recovery = 103% Analysis Date = 01/11/00 Pct Recovery = 103% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,3-DICHLOROPROPANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 18 106% 5% 106% 5%
Total 18 106% 5% 106% 5%

Sample Statistics
1,3-DICHLOROPROPANE

Characteristic N % % Basis
Plotted 18 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 18 .  
False Negatives 0 0% 0 out of 18
Not Spiked 18 .  
False Positives 0 0% 0 out of 18

BQS OBSP Determination:
1,4-DICHLOROBENZENE
METHOD: 4054 , TESTIDCODE: 34571GCM66
Open Data Set

Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 106% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 90% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 112% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 116% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 97% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 87% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 93% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 95% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 100% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 86% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 88% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 93% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 91% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 102% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 105% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 86% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 86% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 101% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 99% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 97% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 95% Analysis Date = 08/24/01 Pct Recovery = 114% Analysis Date = 08/22/01 Pct Recovery = 114% Analysis Date = 08/22/01 Pct Recovery = 114% Analysis Date = 08/19/01 Pct Recovery = 113% Analysis Date = 08/19/01 Pct Recovery = 113% Analysis Date = 08/16/01 Pct Recovery = 113% Analysis Date = 08/16/01 Pct Recovery = 113% Analysis Date = 08/13/01 Pct Recovery = 113% Analysis Date = 08/13/01 Pct Recovery = 113% Analysis Date = 08/10/01 Pct Recovery = 113% Analysis Date = 08/10/01 Pct Recovery = 113% Analysis Date = 08/07/01 Pct Recovery = 113% Analysis Date = 08/07/01 Pct Recovery = 113% Analysis Date = 08/04/01 Pct Recovery = 113% Analysis Date = 08/04/01 Pct Recovery = 113% Analysis Date = 08/01/01 Pct Recovery = 112% Analysis Date = 08/01/01 Pct Recovery = 112% Analysis Date = 07/29/01 Pct Recovery = 112% Analysis Date = 07/29/01 Pct Recovery = 112% Analysis Date = 07/26/01 Pct Recovery = 112% Analysis Date = 07/26/01 Pct Recovery = 112% Analysis Date = 07/23/01 Pct Recovery = 112% Analysis Date = 07/23/01 Pct Recovery = 112% Analysis Date = 07/20/01 Pct Recovery = 112% Analysis Date = 07/20/01 Pct Recovery = 112% Analysis Date = 07/17/01 Pct Recovery = 112% Analysis Date = 07/17/01 Pct Recovery = 112% Analysis Date = 07/14/01 Pct Recovery = 111% Analysis Date = 07/14/01 Pct Recovery = 111% Analysis Date = 07/11/01 Pct Recovery = 111% Analysis Date = 07/11/01 Pct Recovery = 111% Analysis Date = 07/08/01 Pct Recovery = 111% Analysis Date = 07/08/01 Pct Recovery = 111% Analysis Date = 07/05/01 Pct Recovery = 111% Analysis Date = 07/05/01 Pct Recovery = 111% Analysis Date = 07/02/01 Pct Recovery = 111% Analysis Date = 07/02/01 Pct Recovery = 111% Analysis Date = 06/29/01 Pct Recovery = 111% Analysis Date = 06/29/01 Pct Recovery = 111% Analysis Date = 06/26/01 Pct Recovery = 110% Analysis Date = 06/26/01 Pct Recovery = 110% Analysis Date = 06/23/01 Pct Recovery = 110% Analysis Date = 06/23/01 Pct Recovery = 110% Analysis Date = 06/20/01 Pct Recovery = 110% Analysis Date = 06/20/01 Pct Recovery = 110% Analysis Date = 06/17/01 Pct Recovery = 110% Analysis Date = 06/17/01 Pct Recovery = 110% Analysis Date = 06/15/01 Pct Recovery = 110% Analysis Date = 06/15/01 Pct Recovery = 110% Analysis Date = 06/12/01 Pct Recovery = 110% Analysis Date = 06/12/01 Pct Recovery = 110% Analysis Date = 06/09/01 Pct Recovery = 109% Analysis Date = 06/09/01 Pct Recovery = 109% Analysis Date = 06/06/01 Pct Recovery = 109% Analysis Date = 06/06/01 Pct Recovery = 109% Analysis Date = 06/03/01 Pct Recovery = 109% Analysis Date = 06/03/01 Pct Recovery = 109% Analysis Date = 05/31/01 Pct Recovery = 109% Analysis Date = 05/31/01 Pct Recovery = 109% Analysis Date = 05/28/01 Pct Recovery = 109% Analysis Date = 05/28/01 Pct Recovery = 109% Analysis Date = 05/25/01 Pct Recovery = 109% Analysis Date = 05/25/01 Pct Recovery = 109% Analysis Date = 05/22/01 Pct Recovery = 109% Analysis Date = 05/22/01 Pct Recovery = 109% Analysis Date = 05/19/01 Pct Recovery = 108% Analysis Date = 05/19/01 Pct Recovery = 108% Analysis Date = 05/16/01 Pct Recovery = 108% Analysis Date = 05/16/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/10/01 Pct Recovery = 108% Analysis Date = 05/10/01 Pct Recovery = 108% Analysis Date = 05/07/01 Pct Recovery = 108% Analysis Date = 05/07/01 Pct Recovery = 108% Analysis Date = 05/04/01 Pct Recovery = 108% Analysis Date = 05/04/01 Pct Recovery = 108% Analysis Date = 05/01/01 Pct Recovery = 107% Analysis Date = 05/01/01 Pct Recovery = 107% Analysis Date = 04/28/01 Pct Recovery = 107% Analysis Date = 04/28/01 Pct Recovery = 107% Analysis Date = 04/25/01 Pct Recovery = 107% Analysis Date = 04/25/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/16/01 Pct Recovery = 107% Analysis Date = 04/16/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 106% Analysis Date = 04/13/01 Pct Recovery = 106% Analysis Date = 04/10/01 Pct Recovery = 106% Analysis Date = 04/10/01 Pct Recovery = 106% Analysis Date = 04/08/01 Pct Recovery = 106% Analysis Date = 04/08/01 Pct Recovery = 106% Analysis Date = 04/05/01 Pct Recovery = 106% Analysis Date = 04/05/01 Pct Recovery = 106% Analysis Date = 04/02/01 Pct Recovery = 106% Analysis Date = 04/02/01 Pct Recovery = 106% Analysis Date = 03/30/01 Pct Recovery = 106% Analysis Date = 03/30/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 105% Analysis Date = 03/27/01 Pct Recovery = 105% Analysis Date = 03/24/01 Pct Recovery = 105% Analysis Date = 03/24/01 Pct Recovery = 105% Analysis Date = 03/21/01 Pct Recovery = 105% Analysis Date = 03/21/01 Pct Recovery = 105% Analysis Date = 03/18/01 Pct Recovery = 105% Analysis Date = 03/18/01 Pct Recovery = 105% Analysis Date = 03/15/01 Pct Recovery = 105% Analysis Date = 03/15/01 Pct Recovery = 105% Analysis Date = 03/12/01 Pct Recovery = 105% Analysis Date = 03/12/01 Pct Recovery = 105% Analysis Date = 03/09/01 Pct Recovery = 104% Analysis Date = 03/09/01 Pct Recovery = 104% Analysis Date = 03/06/01 Pct Recovery = 104% Analysis Date = 03/06/01 Pct Recovery = 104% Analysis Date = 03/03/01 Pct Recovery = 104% Analysis Date = 03/03/01 Pct Recovery = 104% Analysis Date = 02/28/01 Pct Recovery = 104% Analysis Date = 02/28/01 Pct Recovery = 104% Analysis Date = 02/25/01 Pct Recovery = 104% Analysis Date = 02/25/01 Pct Recovery = 104% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/19/01 Pct Recovery = 103% Analysis Date = 02/19/01 Pct Recovery = 103% Analysis Date = 02/16/01 Pct Recovery = 103% Analysis Date = 02/16/01 Pct Recovery = 103% Analysis Date = 02/13/01 Pct Recovery = 103% Analysis Date = 02/13/01 Pct Recovery = 103% Analysis Date = 02/10/01 Pct Recovery = 103% Analysis Date = 02/10/01 Pct Recovery = 103% Analysis Date = 02/07/01 Pct Recovery = 103% Analysis Date = 02/07/01 Pct Recovery = 103% Analysis Date = 02/04/01 Pct Recovery = 102% Analysis Date = 02/04/01 Pct Recovery = 102% Analysis Date = 02/01/01 Pct Recovery = 102% Analysis Date = 02/01/01 Pct Recovery = 102% Analysis Date = 01/30/01 Pct Recovery = 102% Analysis Date = 01/30/01 Pct Recovery = 102% Analysis Date = 01/27/01 Pct Recovery = 102% Analysis Date = 01/27/01 Pct Recovery = 102% Analysis Date = 01/24/01 Pct Recovery = 102% Analysis Date = 01/24/01 Pct Recovery = 102% Analysis Date = 01/21/01 Pct Recovery = 101% Analysis Date = 01/21/01 Pct Recovery = 101% Analysis Date = 01/18/01 Pct Recovery = 101% Analysis Date = 01/18/01 Pct Recovery = 101% Analysis Date = 01/15/01 Pct Recovery = 101% Analysis Date = 01/15/01 Pct Recovery = 101% Analysis Date = 01/12/01 Pct Recovery = 101% Analysis Date = 01/12/01 Pct Recovery = 101% Analysis Date = 01/09/01 Pct Recovery = 101% Analysis Date = 01/09/01 Pct Recovery = 101% Analysis Date = 01/06/01 Pct Recovery = 101% Analysis Date = 01/06/01 Pct Recovery = 101% Analysis Date = 01/03/01 Pct Recovery = 100% Analysis Date = 01/03/01 Pct Recovery = 100% Analysis Date = 12/31/00 Pct Recovery = 100% Analysis Date = 12/31/00 Pct Recovery = 100% Analysis Date = 12/28/00 Pct Recovery = 100% Analysis Date = 12/28/00 Pct Recovery = 100% Analysis Date = 12/25/00 Pct Recovery = 100% Analysis Date = 12/25/00 Pct Recovery = 100% Analysis Date = 12/22/00 Pct Recovery = 100% Analysis Date = 12/22/00 Pct Recovery = 100% Analysis Date = 12/19/00 Pct Recovery = 99% Analysis Date = 12/19/00 Pct Recovery = 99% Analysis Date = 12/16/00 Pct Recovery = 99% Analysis Date = 12/16/00 Pct Recovery = 99% Analysis Date = 12/13/00 Pct Recovery = 99% Analysis Date = 12/13/00 Pct Recovery = 99% Analysis Date = 12/10/00 Pct Recovery = 99% Analysis Date = 12/10/00 Pct Recovery = 99% Analysis Date = 12/07/00 Pct Recovery = 99% Analysis Date = 12/07/00 Pct Recovery = 99% Analysis Date = 12/04/00 Pct Recovery = 98% Analysis Date = 12/04/00 Pct Recovery = 98% Analysis Date = 12/01/00 Pct Recovery = 98% Analysis Date = 12/01/00 Pct Recovery = 98% Analysis Date = 11/28/00 Pct Recovery = 98% Analysis Date = 11/28/00 Pct Recovery = 98% Analysis Date = 11/25/00 Pct Recovery = 98% Analysis Date = 11/25/00 Pct Recovery = 98% Analysis Date = 11/23/00 Pct Recovery = 98% Analysis Date = 11/23/00 Pct Recovery = 98% Analysis Date = 11/20/00 Pct Recovery = 98% Analysis Date = 11/20/00 Pct Recovery = 98% Analysis Date = 11/17/00 Pct Recovery = 97% Analysis Date = 11/17/00 Pct Recovery = 97% Analysis Date = 11/14/00 Pct Recovery = 97% Analysis Date = 11/14/00 Pct Recovery = 97% Analysis Date = 11/11/00 Pct Recovery = 97% Analysis Date = 11/11/00 Pct Recovery = 97% Analysis Date = 11/08/00 Pct Recovery = 97% Analysis Date = 11/08/00 Pct Recovery = 97% Analysis Date = 11/05/00 Pct Recovery = 97% Analysis Date = 11/05/00 Pct Recovery = 97% Analysis Date = 11/02/00 Pct Recovery = 97% Analysis Date = 11/02/00 Pct Recovery = 97% Analysis Date = 10/30/00 Pct Recovery = 97% Analysis Date = 10/30/00 Pct Recovery = 97% Analysis Date = 10/27/00 Pct Recovery = 97% Analysis Date = 10/27/00 Pct Recovery = 97% Analysis Date = 10/24/00 Pct Recovery = 97% Analysis Date = 10/24/00 Pct Recovery = 97% Analysis Date = 10/21/00 Pct Recovery = 97% Analysis Date = 10/21/00 Pct Recovery = 97% Analysis Date = 10/18/00 Pct Recovery = 97% Analysis Date = 10/18/00 Pct Recovery = 97% Analysis Date = 10/15/00 Pct Recovery = 97% Analysis Date = 10/15/00 Pct Recovery = 97% Analysis Date = 10/12/00 Pct Recovery = 97% Analysis Date = 10/12/00 Pct Recovery = 97% Analysis Date = 10/09/00 Pct Recovery = 97% Analysis Date = 10/09/00 Pct Recovery = 97% Analysis Date = 10/06/00 Pct Recovery = 97% Analysis Date = 10/06/00 Pct Recovery = 97% Analysis Date = 10/03/00 Pct Recovery = 97% Analysis Date = 10/03/00 Pct Recovery = 97% Analysis Date = 09/30/00 Pct Recovery = 97% Analysis Date = 09/30/00 Pct Recovery = 97% Analysis Date = 09/27/00 Pct Recovery = 97% Analysis Date = 09/27/00 Pct Recovery = 97% Analysis Date = 09/24/00 Pct Recovery = 97% Analysis Date = 09/24/00 Pct Recovery = 97% Analysis Date = 09/21/00 Pct Recovery = 97% Analysis Date = 09/21/00 Pct Recovery = 97% Analysis Date = 09/18/00 Pct Recovery = 97% Analysis Date = 09/18/00 Pct Recovery = 97% Analysis Date = 09/15/00 Pct Recovery = 97% Analysis Date = 09/15/00 Pct Recovery = 97% Analysis Date = 09/13/00 Pct Recovery = 97% Analysis Date = 09/13/00 Pct Recovery = 97% Analysis Date = 09/10/00 Pct Recovery = 97% Analysis Date = 09/10/00 Pct Recovery = 97% Analysis Date = 09/07/00 Pct Recovery = 97% Analysis Date = 09/07/00 Pct Recovery = 97% Analysis Date = 09/04/00 Pct Recovery = 97% Analysis Date = 09/04/00 Pct Recovery = 97% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 08/29/00 Pct Recovery = 97% Analysis Date = 08/29/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/23/00 Pct Recovery = 97% Analysis Date = 08/23/00 Pct Recovery = 97% Analysis Date = 08/20/00 Pct Recovery = 97% Analysis Date = 08/20/00 Pct Recovery = 97% Analysis Date = 08/17/00 Pct Recovery = 97% Analysis Date = 08/17/00 Pct Recovery = 97% Analysis Date = 08/14/00 Pct Recovery = 97% Analysis Date = 08/14/00 Pct Recovery = 97% Analysis Date = 08/11/00 Pct Recovery = 97% Analysis Date = 08/11/00 Pct Recovery = 97% Analysis Date = 08/08/00 Pct Recovery = 97% Analysis Date = 08/08/00 Pct Recovery = 97% Analysis Date = 08/05/00 Pct Recovery = 96% Analysis Date = 08/05/00 Pct Recovery = 96% Analysis Date = 08/02/00 Pct Recovery = 96% Analysis Date = 08/02/00 Pct Recovery = 96% Analysis Date = 07/30/00 Pct Recovery = 96% Analysis Date = 07/30/00 Pct Recovery = 96% Analysis Date = 07/27/00 Pct Recovery = 96% Analysis Date = 07/27/00 Pct Recovery = 96% Analysis Date = 07/24/00 Pct Recovery = 96% Analysis Date = 07/24/00 Pct Recovery = 96% Analysis Date = 07/21/00 Pct Recovery = 96% Analysis Date = 07/21/00 Pct Recovery = 96% Analysis Date = 07/18/00 Pct Recovery = 96% Analysis Date = 07/18/00 Pct Recovery = 96% Analysis Date = 07/15/00 Pct Recovery = 96% Analysis Date = 07/15/00 Pct Recovery = 96% Analysis Date = 07/12/00 Pct Recovery = 96% Analysis Date = 07/12/00 Pct Recovery = 96% Analysis Date = 07/09/00 Pct Recovery = 96% Analysis Date = 07/09/00 Pct Recovery = 96% Analysis Date = 07/07/00 Pct Recovery = 97% Analysis Date = 07/07/00 Pct Recovery = 97% Analysis Date = 07/04/00 Pct Recovery = 97% Analysis Date = 07/04/00 Pct Recovery = 97% Analysis Date = 07/01/00 Pct Recovery = 97% Analysis Date = 07/01/00 Pct Recovery = 97% Analysis Date = 06/28/00 Pct Recovery = 97% Analysis Date = 06/28/00 Pct Recovery = 97% Analysis Date = 06/25/00 Pct Recovery = 97% Analysis Date = 06/25/00 Pct Recovery = 97% Analysis Date = 06/22/00 Pct Recovery = 97% Analysis Date = 06/22/00 Pct Recovery = 97% Analysis Date = 06/19/00 Pct Recovery = 97% Analysis Date = 06/19/00 Pct Recovery = 97% Analysis Date = 06/16/00 Pct Recovery = 97% Analysis Date = 06/16/00 Pct Recovery = 97% Analysis Date = 06/13/00 Pct Recovery = 97% Analysis Date = 06/13/00 Pct Recovery = 97% Analysis Date = 06/10/00 Pct Recovery = 97% Analysis Date = 06/10/00 Pct Recovery = 97% Analysis Date = 06/07/00 Pct Recovery = 97% Analysis Date = 06/07/00 Pct Recovery = 97% Analysis Date = 06/04/00 Pct Recovery = 97% Analysis Date = 06/04/00 Pct Recovery = 97% Analysis Date = 06/01/00 Pct Recovery = 96% Analysis Date = 06/01/00 Pct Recovery = 96% Analysis Date = 05/29/00 Pct Recovery = 96% Analysis Date = 05/29/00 Pct Recovery = 96% Analysis Date = 05/26/00 Pct Recovery = 96% Analysis Date = 05/26/00 Pct Recovery = 96% Analysis Date = 05/23/00 Pct Recovery = 96% Analysis Date = 05/23/00 Pct Recovery = 96% Analysis Date = 05/20/00 Pct Recovery = 96% Analysis Date = 05/20/00 Pct Recovery = 96% Analysis Date = 05/17/00 Pct Recovery = 96% Analysis Date = 05/17/00 Pct Recovery = 96% Analysis Date = 05/14/00 Pct Recovery = 96% Analysis Date = 05/14/00 Pct Recovery = 96% Analysis Date = 05/11/00 Pct Recovery = 96% Analysis Date = 05/11/00 Pct Recovery = 96% Analysis Date = 05/08/00 Pct Recovery = 96% Analysis Date = 05/08/00 Pct Recovery = 96% Analysis Date = 05/05/00 Pct Recovery = 96% Analysis Date = 05/05/00 Pct Recovery = 96% Analysis Date = 05/02/00 Pct Recovery = 96% Analysis Date = 05/02/00 Pct Recovery = 96% Analysis Date = 04/30/00 Pct Recovery = 96% Analysis Date = 04/30/00 Pct Recovery = 96% Analysis Date = 04/27/00 Pct Recovery = 96% Analysis Date = 04/27/00 Pct Recovery = 96% Analysis Date = 04/24/00 Pct Recovery = 96% Analysis Date = 04/24/00 Pct Recovery = 96% Analysis Date = 04/21/00 Pct Recovery = 95% Analysis Date = 04/21/00 Pct Recovery = 95% Analysis Date = 04/18/00 Pct Recovery = 95% Analysis Date = 04/18/00 Pct Recovery = 95% Analysis Date = 04/15/00 Pct Recovery = 95% Analysis Date = 04/15/00 Pct Recovery = 95% Analysis Date = 04/12/00 Pct Recovery = 94% Analysis Date = 04/12/00 Pct Recovery = 94% Analysis Date = 04/09/00 Pct Recovery = 94% Analysis Date = 04/09/00 Pct Recovery = 94% Analysis Date = 04/06/00 Pct Recovery = 94% Analysis Date = 04/06/00 Pct Recovery = 94% Analysis Date = 04/03/00 Pct Recovery = 94% Analysis Date = 04/03/00 Pct Recovery = 94% Analysis Date = 03/31/00 Pct Recovery = 93% Analysis Date = 03/31/00 Pct Recovery = 93% Analysis Date = 03/28/00 Pct Recovery = 93% Analysis Date = 03/28/00 Pct Recovery = 93% Analysis Date = 03/25/00 Pct Recovery = 93% Analysis Date = 03/25/00 Pct Recovery = 93% Analysis Date = 03/22/00 Pct Recovery = 93% Analysis Date = 03/22/00 Pct Recovery = 93% Analysis Date = 03/19/00 Pct Recovery = 93% Analysis Date = 03/19/00 Pct Recovery = 93% Analysis Date = 03/16/00 Pct Recovery = 93% Analysis Date = 03/16/00 Pct Recovery = 93% Analysis Date = 03/13/00 Pct Recovery = 93% Analysis Date = 03/13/00 Pct Recovery = 93% Analysis Date = 03/10/00 Pct Recovery = 93% Analysis Date = 03/10/00 Pct Recovery = 93% Analysis Date = 03/07/00 Pct Recovery = 93% Analysis Date = 03/07/00 Pct Recovery = 93% Analysis Date = 03/04/00 Pct Recovery = 93% Analysis Date = 03/04/00 Pct Recovery = 93% Analysis Date = 03/01/00 Pct Recovery = 92% Analysis Date = 03/01/00 Pct Recovery = 92% Analysis Date = 02/27/00 Pct Recovery = 92% Analysis Date = 02/27/00 Pct Recovery = 92% Analysis Date = 02/24/00 Pct Recovery = 92% Analysis Date = 02/24/00 Pct Recovery = 92% Analysis Date = 02/22/00 Pct Recovery = 92% Analysis Date = 02/22/00 Pct Recovery = 92% Analysis Date = 02/19/00 Pct Recovery = 92% Analysis Date = 02/19/00 Pct Recovery = 92% Analysis Date = 02/16/00 Pct Recovery = 92% Analysis Date = 02/16/00 Pct Recovery = 92% Analysis Date = 02/13/00 Pct Recovery = 92% Analysis Date = 02/13/00 Pct Recovery = 92% Analysis Date = 02/10/00 Pct Recovery = 92% Analysis Date = 02/10/00 Pct Recovery = 92% Analysis Date = 02/07/00 Pct Recovery = 92% Analysis Date = 02/07/00 Pct Recovery = 92% Analysis Date = 02/04/00 Pct Recovery = 92% Analysis Date = 02/04/00 Pct Recovery = 92% Analysis Date = 02/01/00 Pct Recovery = 92% Analysis Date = 02/01/00 Pct Recovery = 92% Analysis Date = 01/29/00 Pct Recovery = 92% Analysis Date = 01/29/00 Pct Recovery = 92% Analysis Date = 01/26/00 Pct Recovery = 92% Analysis Date = 01/26/00 Pct Recovery = 92% Analysis Date = 01/23/00 Pct Recovery = 92% Analysis Date = 01/23/00 Pct Recovery = 92% Analysis Date = 01/20/00 Pct Recovery = 92% Analysis Date = 01/20/00 Pct Recovery = 92% Analysis Date = 01/17/00 Pct Recovery = 92% Analysis Date = 01/17/00 Pct Recovery = 92% Analysis Date = 01/14/00 Pct Recovery = 91% Analysis Date = 01/14/00 Pct Recovery = 91% Analysis Date = 01/11/00 Pct Recovery = 91% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,4-DICHLOROBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 97% 8% 95% 8%
Total 21 97% 8% 95% 8%

Sample Statistics
1,4-DICHLOROBENZENE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
2,2-DICHLOROPROPANE
METHOD: 4054 , TESTIDCODE: 77170GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 101% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 82% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 95% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 103% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 98% Analysis Date = 11/15/00 Pct Recovery = 101% Analysis Date = 11/13/00 Pct Recovery = 101% Analysis Date = 11/13/00 Pct Recovery = 101% Analysis Date = 11/12/00 Pct Recovery = 100% Analysis Date = 11/12/00 Pct Recovery = 100% Analysis Date = 11/11/00 Pct Recovery = 100% Analysis Date = 11/11/00 Pct Recovery = 100% Analysis Date = 11/10/00 Pct Recovery = 100% Analysis Date = 11/10/00 Pct Recovery = 100% Analysis Date = 11/08/00 Pct Recovery = 100% Analysis Date = 11/08/00 Pct Recovery = 100% Analysis Date = 11/07/00 Pct Recovery = 99% Analysis Date = 11/07/00 Pct Recovery = 99% Analysis Date = 11/06/00 Pct Recovery = 99% Analysis Date = 11/06/00 Pct Recovery = 99% Analysis Date = 11/04/00 Pct Recovery = 99% Analysis Date = 11/04/00 Pct Recovery = 99% Analysis Date = 11/03/00 Pct Recovery = 98% Analysis Date = 11/03/00 Pct Recovery = 98% Analysis Date = 11/02/00 Pct Recovery = 98% Analysis Date = 11/02/00 Pct Recovery = 98% Analysis Date = 10/31/00 Pct Recovery = 98% Analysis Date = 10/31/00 Pct Recovery = 98% Analysis Date = 10/30/00 Pct Recovery = 98% Analysis Date = 10/30/00 Pct Recovery = 98% Analysis Date = 10/29/00 Pct Recovery = 97% Analysis Date = 10/29/00 Pct Recovery = 97% Analysis Date = 10/27/00 Pct Recovery = 97% Analysis Date = 10/27/00 Pct Recovery = 97% Analysis Date = 10/26/00 Pct Recovery = 97% Analysis Date = 10/26/00 Pct Recovery = 97% Analysis Date = 10/25/00 Pct Recovery = 97% Analysis Date = 10/25/00 Pct Recovery = 97% Analysis Date = 10/23/00 Pct Recovery = 96% Analysis Date = 10/23/00 Pct Recovery = 96% Analysis Date = 10/22/00 Pct Recovery = 96% Analysis Date = 10/22/00 Pct Recovery = 96% Analysis Date = 10/21/00 Pct Recovery = 96% Analysis Date = 10/21/00 Pct Recovery = 96% Analysis Date = 10/19/00 Pct Recovery = 95% Analysis Date = 10/19/00 Pct Recovery = 95% Analysis Date = 10/18/00 Pct Recovery = 95% Analysis Date = 10/18/00 Pct Recovery = 95% Analysis Date = 10/17/00 Pct Recovery = 95% Analysis Date = 10/17/00 Pct Recovery = 95% Analysis Date = 10/15/00 Pct Recovery = 95% Analysis Date = 10/15/00 Pct Recovery = 95% Analysis Date = 10/14/00 Pct Recovery = 94% Analysis Date = 10/14/00 Pct Recovery = 94% Analysis Date = 10/13/00 Pct Recovery = 94% Analysis Date = 10/13/00 Pct Recovery = 94% Analysis Date = 10/11/00 Pct Recovery = 94% Analysis Date = 10/11/00 Pct Recovery = 94% Analysis Date = 10/10/00 Pct Recovery = 94% Analysis Date = 10/10/00 Pct Recovery = 94% Analysis Date = 10/09/00 Pct Recovery = 93% Analysis Date = 10/09/00 Pct Recovery = 93% Analysis Date = 10/07/00 Pct Recovery = 93% Analysis Date = 10/07/00 Pct Recovery = 93% Analysis Date = 10/06/00 Pct Recovery = 93% Analysis Date = 10/06/00 Pct Recovery = 93% Analysis Date = 10/05/00 Pct Recovery = 92% Analysis Date = 10/05/00 Pct Recovery = 92% Analysis Date = 10/03/00 Pct Recovery = 92% Analysis Date = 10/03/00 Pct Recovery = 92% Analysis Date = 10/02/00 Pct Recovery = 92% Analysis Date = 10/02/00 Pct Recovery = 92% Analysis Date = 10/01/00 Pct Recovery = 92% Analysis Date = 10/01/00 Pct Recovery = 92% Analysis Date = 09/29/00 Pct Recovery = 91% Analysis Date = 09/29/00 Pct Recovery = 91% Analysis Date = 09/28/00 Pct Recovery = 91% Analysis Date = 09/28/00 Pct Recovery = 91% Analysis Date = 09/27/00 Pct Recovery = 91% Analysis Date = 09/27/00 Pct Recovery = 91% Analysis Date = 09/25/00 Pct Recovery = 91% Analysis Date = 09/25/00 Pct Recovery = 91% Analysis Date = 09/24/00 Pct Recovery = 90% Analysis Date = 09/24/00 Pct Recovery = 90% Analysis Date = 09/23/00 Pct Recovery = 90% Analysis Date = 09/23/00 Pct Recovery = 90% Analysis Date = 09/21/00 Pct Recovery = 90% Analysis Date = 09/21/00 Pct Recovery = 90% Analysis Date = 09/20/00 Pct Recovery = 90% Analysis Date = 09/20/00 Pct Recovery = 90% Analysis Date = 09/19/00 Pct Recovery = 89% Analysis Date = 09/19/00 Pct Recovery = 89% Analysis Date = 09/17/00 Pct Recovery = 89% Analysis Date = 09/17/00 Pct Recovery = 89% Analysis Date = 09/16/00 Pct Recovery = 89% Analysis Date = 09/16/00 Pct Recovery = 89% Analysis Date = 09/15/00 Pct Recovery = 88% Analysis Date = 09/15/00 Pct Recovery = 88% Analysis Date = 09/13/00 Pct Recovery = 88% Analysis Date = 09/13/00 Pct Recovery = 88% Analysis Date = 09/12/00 Pct Recovery = 88% Analysis Date = 09/12/00 Pct Recovery = 88% Analysis Date = 09/11/00 Pct Recovery = 88% Analysis Date = 09/11/00 Pct Recovery = 88% Analysis Date = 09/09/00 Pct Recovery = 87% Analysis Date = 09/09/00 Pct Recovery = 87% Analysis Date = 09/08/00 Pct Recovery = 87% Analysis Date = 09/08/00 Pct Recovery = 87% Analysis Date = 09/07/00 Pct Recovery = 87% Analysis Date = 09/07/00 Pct Recovery = 87% Analysis Date = 09/05/00 Pct Recovery = 87% Analysis Date = 09/05/00 Pct Recovery = 87% Analysis Date = 09/04/00 Pct Recovery = 86% Analysis Date = 09/04/00 Pct Recovery = 86% Analysis Date = 09/03/00 Pct Recovery = 86% Analysis Date = 09/03/00 Pct Recovery = 86% Analysis Date = 09/01/00 Pct Recovery = 86% Analysis Date = 09/01/00 Pct Recovery = 86% Analysis Date = 08/31/00 Pct Recovery = 85% Analysis Date = 08/31/00 Pct Recovery = 85% Analysis Date = 08/30/00 Pct Recovery = 85% Analysis Date = 08/30/00 Pct Recovery = 85% Analysis Date = 08/28/00 Pct Recovery = 85% Analysis Date = 08/28/00 Pct Recovery = 85% Analysis Date = 08/27/00 Pct Recovery = 85% Analysis Date = 08/27/00 Pct Recovery = 85% Analysis Date = 08/26/00 Pct Recovery = 84% Analysis Date = 08/26/00 Pct Recovery = 84% Analysis Date = 08/24/00 Pct Recovery = 84% Analysis Date = 08/24/00 Pct Recovery = 84% Analysis Date = 08/23/00 Pct Recovery = 84% Analysis Date = 08/23/00 Pct Recovery = 84% Analysis Date = 08/22/00 Pct Recovery = 84% Analysis Date = 08/22/00 Pct Recovery = 84% Analysis Date = 08/20/00 Pct Recovery = 83% Analysis Date = 08/20/00 Pct Recovery = 83% Analysis Date = 08/19/00 Pct Recovery = 83% Analysis Date = 08/19/00 Pct Recovery = 83% Analysis Date = 08/18/00 Pct Recovery = 83% Analysis Date = 08/18/00 Pct Recovery = 83% Analysis Date = 08/17/00 Pct Recovery = 82% Analysis Date = 08/17/00 Pct Recovery = 82% Analysis Date = 08/15/00 Pct Recovery = 83% Analysis Date = 08/15/00 Pct Recovery = 83% Analysis Date = 08/14/00 Pct Recovery = 83% Analysis Date = 08/14/00 Pct Recovery = 83% Analysis Date = 08/13/00 Pct Recovery = 83% Analysis Date = 08/13/00 Pct Recovery = 83% Analysis Date = 08/11/00 Pct Recovery = 83% Analysis Date = 08/11/00 Pct Recovery = 83% Analysis Date = 08/10/00 Pct Recovery = 84% Analysis Date = 08/10/00 Pct Recovery = 84% Analysis Date = 08/09/00 Pct Recovery = 84% Analysis Date = 08/09/00 Pct Recovery = 84% Analysis Date = 08/07/00 Pct Recovery = 84% Analysis Date = 08/07/00 Pct Recovery = 84% Analysis Date = 08/06/00 Pct Recovery = 84% Analysis Date = 08/06/00 Pct Recovery = 84% Analysis Date = 08/05/00 Pct Recovery = 85% Analysis Date = 08/05/00 Pct Recovery = 85% Analysis Date = 08/03/00 Pct Recovery = 85% Analysis Date = 08/03/00 Pct Recovery = 85% Analysis Date = 08/02/00 Pct Recovery = 85% Analysis Date = 08/02/00 Pct Recovery = 85% Analysis Date = 08/01/00 Pct Recovery = 85% Analysis Date = 08/01/00 Pct Recovery = 85% Analysis Date = 07/30/00 Pct Recovery = 86% Analysis Date = 07/30/00 Pct Recovery = 86% Analysis Date = 07/29/00 Pct Recovery = 86% Analysis Date = 07/29/00 Pct Recovery = 86% Analysis Date = 07/28/00 Pct Recovery = 86% Analysis Date = 07/28/00 Pct Recovery = 86% Analysis Date = 07/26/00 Pct Recovery = 86% Analysis Date = 07/26/00 Pct Recovery = 86% Analysis Date = 07/25/00 Pct Recovery = 87% Analysis Date = 07/25/00 Pct Recovery = 87% Analysis Date = 07/24/00 Pct Recovery = 87% Analysis Date = 07/24/00 Pct Recovery = 87% Analysis Date = 07/22/00 Pct Recovery = 87% Analysis Date = 07/22/00 Pct Recovery = 87% Analysis Date = 07/21/00 Pct Recovery = 88% Analysis Date = 07/21/00 Pct Recovery = 88% Analysis Date = 07/20/00 Pct Recovery = 88% Analysis Date = 07/20/00 Pct Recovery = 88% Analysis Date = 07/18/00 Pct Recovery = 88% Analysis Date = 07/18/00 Pct Recovery = 88% Analysis Date = 07/17/00 Pct Recovery = 88% Analysis Date = 07/17/00 Pct Recovery = 88% Analysis Date = 07/16/00 Pct Recovery = 89% Analysis Date = 07/16/00 Pct Recovery = 89% Analysis Date = 07/14/00 Pct Recovery = 89% Analysis Date = 07/14/00 Pct Recovery = 89% Analysis Date = 07/13/00 Pct Recovery = 89% Analysis Date = 07/13/00 Pct Recovery = 89% Analysis Date = 07/12/00 Pct Recovery = 89% Analysis Date = 07/12/00 Pct Recovery = 89% Analysis Date = 07/10/00 Pct Recovery = 90% Analysis Date = 07/10/00 Pct Recovery = 90% Analysis Date = 07/09/00 Pct Recovery = 90% Analysis Date = 07/09/00 Pct Recovery = 90% Analysis Date = 07/08/00 Pct Recovery = 90% Analysis Date = 07/08/00 Pct Recovery = 90% Analysis Date = 07/06/00 Pct Recovery = 90% Analysis Date = 07/06/00 Pct Recovery = 90% Analysis Date = 07/05/00 Pct Recovery = 91% Analysis Date = 07/05/00 Pct Recovery = 91% Analysis Date = 07/04/00 Pct Recovery = 91% Analysis Date = 07/04/00 Pct Recovery = 91% Analysis Date = 07/02/00 Pct Recovery = 91% Analysis Date = 07/02/00 Pct Recovery = 91% Analysis Date = 07/01/00 Pct Recovery = 91% Analysis Date = 07/01/00 Pct Recovery = 91% Analysis Date = 06/30/00 Pct Recovery = 92% Analysis Date = 06/30/00 Pct Recovery = 92% Analysis Date = 06/28/00 Pct Recovery = 92% Analysis Date = 06/28/00 Pct Recovery = 92% Analysis Date = 06/27/00 Pct Recovery = 92% Analysis Date = 06/27/00 Pct Recovery = 92% Analysis Date = 06/26/00 Pct Recovery = 93% Analysis Date = 06/26/00 Pct Recovery = 93% Analysis Date = 06/24/00 Pct Recovery = 93% Analysis Date = 06/24/00 Pct Recovery = 93% Analysis Date = 06/23/00 Pct Recovery = 93% Analysis Date = 06/23/00 Pct Recovery = 93% Analysis Date = 06/22/00 Pct Recovery = 93% Analysis Date = 06/22/00 Pct Recovery = 93% Analysis Date = 06/20/00 Pct Recovery = 94% Analysis Date = 06/20/00 Pct Recovery = 94% Analysis Date = 06/19/00 Pct Recovery = 94% Analysis Date = 06/19/00 Pct Recovery = 94% Analysis Date = 06/18/00 Pct Recovery = 94% Analysis Date = 06/18/00 Pct Recovery = 94% Analysis Date = 06/16/00 Pct Recovery = 94% Analysis Date = 06/16/00 Pct Recovery = 94% Analysis Date = 06/15/00 Pct Recovery = 95% Analysis Date = 06/15/00 Pct Recovery = 95% Analysis Date = 06/14/00 Pct Recovery = 95% Analysis Date = 06/14/00 Pct Recovery = 95% Analysis Date = 06/12/00 Pct Recovery = 95% Analysis Date = 06/12/00 Pct Recovery = 95% Analysis Date = 06/11/00 Pct Recovery = 95% Analysis Date = 06/11/00 Pct Recovery = 95% Analysis Date = 06/10/00 Pct Recovery = 96% Analysis Date = 06/10/00 Pct Recovery = 96% Analysis Date = 06/08/00 Pct Recovery = 96% Analysis Date = 06/08/00 Pct Recovery = 96% Analysis Date = 06/07/00 Pct Recovery = 96% Analysis Date = 06/07/00 Pct Recovery = 96% Analysis Date = 06/06/00 Pct Recovery = 96% Analysis Date = 06/06/00 Pct Recovery = 96% Analysis Date = 06/04/00 Pct Recovery = 96% Analysis Date = 06/04/00 Pct Recovery = 96% Analysis Date = 06/03/00 Pct Recovery = 97% Analysis Date = 06/03/00 Pct Recovery = 97% Analysis Date = 06/02/00 Pct Recovery = 97% Analysis Date = 06/02/00 Pct Recovery = 97% Analysis Date = 05/31/00 Pct Recovery = 97% Analysis Date = 05/31/00 Pct Recovery = 97% Analysis Date = 05/30/00 Pct Recovery = 97% Analysis Date = 05/30/00 Pct Recovery = 97% Analysis Date = 05/29/00 Pct Recovery = 98% Analysis Date = 05/29/00 Pct Recovery = 98% Analysis Date = 05/27/00 Pct Recovery = 98% Analysis Date = 05/27/00 Pct Recovery = 98% Analysis Date = 05/26/00 Pct Recovery = 98% Analysis Date = 05/26/00 Pct Recovery = 98% Analysis Date = 05/25/00 Pct Recovery = 98% Analysis Date = 05/25/00 Pct Recovery = 98% Analysis Date = 05/24/00 Pct Recovery = 99% Analysis Date = 05/24/00 Pct Recovery = 99% Analysis Date = 05/22/00 Pct Recovery = 99% Analysis Date = 05/22/00 Pct Recovery = 99% Analysis Date = 05/21/00 Pct Recovery = 99% Analysis Date = 05/21/00 Pct Recovery = 99% Analysis Date = 05/20/00 Pct Recovery = 99% Analysis Date = 05/20/00 Pct Recovery = 99% Analysis Date = 05/18/00 Pct Recovery = 100% Analysis Date = 05/18/00 Pct Recovery = 100% Analysis Date = 05/17/00 Pct Recovery = 100% Analysis Date = 05/17/00 Pct Recovery = 100% Analysis Date = 05/16/00 Pct Recovery = 100% Analysis Date = 05/16/00 Pct Recovery = 100% Analysis Date = 05/14/00 Pct Recovery = 100% Analysis Date = 05/14/00 Pct Recovery = 100% Analysis Date = 05/13/00 Pct Recovery = 100% Analysis Date = 05/13/00 Pct Recovery = 100% Analysis Date = 05/12/00 Pct Recovery = 101% Analysis Date = 05/12/00 Pct Recovery = 101% Analysis Date = 05/10/00 Pct Recovery = 101% Analysis Date = 05/10/00 Pct Recovery = 101% Analysis Date = 05/09/00 Pct Recovery = 101% Analysis Date = 05/09/00 Pct Recovery = 101% Analysis Date = 05/08/00 Pct Recovery = 101% Analysis Date = 05/08/00 Pct Recovery = 101% Analysis Date = 05/06/00 Pct Recovery = 102% Analysis Date = 05/06/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/04/00 Pct Recovery = 102% Analysis Date = 05/04/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 05/01/00 Pct Recovery = 103% Analysis Date = 05/01/00 Pct Recovery = 103% Analysis Date = 04/30/00 Pct Recovery = 103% Analysis Date = 04/30/00 Pct Recovery = 103% Analysis Date = 04/28/00 Pct Recovery = 103% Analysis Date = 04/28/00 Pct Recovery = 103% Analysis Date = 04/27/00 Pct Recovery = 103% Analysis Date = 04/27/00 Pct Recovery = 103% Analysis Date = 04/26/00 Pct Recovery = 103% Analysis Date = 04/26/00 Pct Recovery = 103% Analysis Date = 04/24/00 Pct Recovery = 103% Analysis Date = 04/24/00 Pct Recovery = 103% Analysis Date = 04/23/00 Pct Recovery = 103% Analysis Date = 04/23/00 Pct Recovery = 103% Analysis Date = 04/22/00 Pct Recovery = 103% Analysis Date = 04/22/00 Pct Recovery = 103% Analysis Date = 04/20/00 Pct Recovery = 103% Analysis Date = 04/20/00 Pct Recovery = 103% Analysis Date = 04/19/00 Pct Recovery = 103% Analysis Date = 04/19/00 Pct Recovery = 103% Analysis Date = 04/18/00 Pct Recovery = 102% Analysis Date = 04/18/00 Pct Recovery = 102% Analysis Date = 04/16/00 Pct Recovery = 102% Analysis Date = 04/16/00 Pct Recovery = 102% Analysis Date = 04/15/00 Pct Recovery = 102% Analysis Date = 04/15/00 Pct Recovery = 102% Analysis Date = 04/14/00 Pct Recovery = 102% Analysis Date = 04/14/00 Pct Recovery = 102% Analysis Date = 04/12/00 Pct Recovery = 102% Analysis Date = 04/12/00 Pct Recovery = 102% Analysis Date = 04/11/00 Pct Recovery = 102% Analysis Date = 04/11/00 Pct Recovery = 102% Analysis Date = 04/10/00 Pct Recovery = 102% Analysis Date = 04/10/00 Pct Recovery = 102% Analysis Date = 04/08/00 Pct Recovery = 102% Analysis Date = 04/08/00 Pct Recovery = 102% Analysis Date = 04/07/00 Pct Recovery = 102% Analysis Date = 04/07/00 Pct Recovery = 102% Analysis Date = 04/06/00 Pct Recovery = 102% Analysis Date = 04/06/00 Pct Recovery = 102% Analysis Date = 04/04/00 Pct Recovery = 101% Analysis Date = 04/04/00 Pct Recovery = 101% Analysis Date = 04/03/00 Pct Recovery = 101% Analysis Date = 04/03/00 Pct Recovery = 101% Analysis Date = 04/02/00 Pct Recovery = 101% Analysis Date = 04/02/00 Pct Recovery = 101% Analysis Date = 03/31/00 Pct Recovery = 101% Analysis Date = 03/31/00 Pct Recovery = 101% Analysis Date = 03/30/00 Pct Recovery = 101% Analysis Date = 03/30/00 Pct Recovery = 101% Analysis Date = 03/29/00 Pct Recovery = 101% Analysis Date = 03/29/00 Pct Recovery = 101% Analysis Date = 03/27/00 Pct Recovery = 101% Analysis Date = 03/27/00 Pct Recovery = 101% Analysis Date = 03/26/00 Pct Recovery = 101% Analysis Date = 03/26/00 Pct Recovery = 101% Analysis Date = 03/25/00 Pct Recovery = 101% Analysis Date = 03/25/00 Pct Recovery = 101% Analysis Date = 03/23/00 Pct Recovery = 101% Analysis Date = 03/23/00 Pct Recovery = 101% Analysis Date = 03/22/00 Pct Recovery = 100% Analysis Date = 03/22/00 Pct Recovery = 100% Analysis Date = 03/21/00 Pct Recovery = 100% Analysis Date = 03/21/00 Pct Recovery = 100% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/18/00 Pct Recovery = 100% Analysis Date = 03/18/00 Pct Recovery = 100% Analysis Date = 03/17/00 Pct Recovery = 100% Analysis Date = 03/17/00 Pct Recovery = 100% Analysis Date = 03/15/00 Pct Recovery = 100% Analysis Date = 03/15/00 Pct Recovery = 100% Analysis Date = 03/14/00 Pct Recovery = 100% Analysis Date = 03/14/00 Pct Recovery = 100% Analysis Date = 03/13/00 Pct Recovery = 100% Analysis Date = 03/13/00 Pct Recovery = 100% Analysis Date = 03/11/00 Pct Recovery = 100% Analysis Date = 03/11/00 Pct Recovery = 100% Analysis Date = 03/10/00 Pct Recovery = 99% Analysis Date = 03/10/00 Pct Recovery = 99% Analysis Date = 03/09/00 Pct Recovery = 99% Analysis Date = 03/09/00 Pct Recovery = 99% Analysis Date = 03/07/00 Pct Recovery = 99% Analysis Date = 03/07/00 Pct Recovery = 99% Analysis Date = 03/06/00 Pct Recovery = 99% Analysis Date = 03/06/00 Pct Recovery = 99% Analysis Date = 03/05/00 Pct Recovery = 99% Analysis Date = 03/05/00 Pct Recovery = 99% Analysis Date = 03/03/00 Pct Recovery = 99% Analysis Date = 03/03/00 Pct Recovery = 99% Analysis Date = 03/02/00 Pct Recovery = 99% Analysis Date = 03/02/00 Pct Recovery = 99% Analysis Date = 03/01/00 Pct Recovery = 99% Analysis Date = 03/01/00 Pct Recovery = 99% Analysis Date = 02/28/00 Pct Recovery = 99% Analysis Date = 02/28/00 Pct Recovery = 99% Analysis Date = 02/27/00 Pct Recovery = 99% Analysis Date = 02/27/00 Pct Recovery = 99% Analysis Date = 02/26/00 Pct Recovery = 98% Analysis Date = 02/26/00 Pct Recovery = 98% Analysis Date = 02/25/00 Pct Recovery = 98% Analysis Date = 02/25/00 Pct Recovery = 98% Analysis Date = 02/23/00 Pct Recovery = 98% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
2,2-DICHLOROPROPANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 96% 8% 98% 5%
Total 5 96% 8% 98% 5%

Sample Statistics
2,2-DICHLOROPROPANE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
2-BUTANONE
METHOD: 4054 , TESTIDCODE: 81595GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 114% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 112% Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 125% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 125% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 140% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 90% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 104% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 106% Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 112% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 117% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 114% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 119% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 114% Analysis Date = 10/03/03 Pct Recovery = 95% Analysis Date = 09/28/03 Pct Recovery = 96% Analysis Date = 09/28/03 Pct Recovery = 96% Analysis Date = 09/22/03 Pct Recovery = 97% Analysis Date = 09/22/03 Pct Recovery = 97% Analysis Date = 09/16/03 Pct Recovery = 98% Analysis Date = 09/16/03 Pct Recovery = 98% Analysis Date = 09/11/03 Pct Recovery = 99% Analysis Date = 09/11/03 Pct Recovery = 99% Analysis Date = 09/05/03 Pct Recovery = 100% Analysis Date = 09/05/03 Pct Recovery = 100% Analysis Date = 08/30/03 Pct Recovery = 101% Analysis Date = 08/30/03 Pct Recovery = 101% Analysis Date = 08/24/03 Pct Recovery = 102% Analysis Date = 08/24/03 Pct Recovery = 102% Analysis Date = 08/19/03 Pct Recovery = 103% Analysis Date = 08/19/03 Pct Recovery = 103% Analysis Date = 08/13/03 Pct Recovery = 104% Analysis Date = 08/13/03 Pct Recovery = 104% Analysis Date = 08/07/03 Pct Recovery = 105% Analysis Date = 08/07/03 Pct Recovery = 105% Analysis Date = 08/02/03 Pct Recovery = 106% Analysis Date = 08/02/03 Pct Recovery = 106% Analysis Date = 07/27/03 Pct Recovery = 106% Analysis Date = 07/27/03 Pct Recovery = 106% Analysis Date = 07/21/03 Pct Recovery = 107% Analysis Date = 07/21/03 Pct Recovery = 107% Analysis Date = 07/15/03 Pct Recovery = 108% Analysis Date = 07/15/03 Pct Recovery = 108% Analysis Date = 07/10/03 Pct Recovery = 109% Analysis Date = 07/10/03 Pct Recovery = 109% Analysis Date = 07/04/03 Pct Recovery = 110% Analysis Date = 07/04/03 Pct Recovery = 110% Analysis Date = 06/28/03 Pct Recovery = 111% Analysis Date = 06/28/03 Pct Recovery = 111% Analysis Date = 06/23/03 Pct Recovery = 112% Analysis Date = 06/23/03 Pct Recovery = 112% Analysis Date = 06/17/03 Pct Recovery = 113% Analysis Date = 06/17/03 Pct Recovery = 113% Analysis Date = 06/11/03 Pct Recovery = 114% Analysis Date = 06/11/03 Pct Recovery = 114% Analysis Date = 06/05/03 Pct Recovery = 115% Analysis Date = 06/05/03 Pct Recovery = 115% Analysis Date = 05/31/03 Pct Recovery = 116% Analysis Date = 05/31/03 Pct Recovery = 116% Analysis Date = 05/25/03 Pct Recovery = 116% Analysis Date = 05/25/03 Pct Recovery = 116% Analysis Date = 05/19/03 Pct Recovery = 117% Analysis Date = 05/19/03 Pct Recovery = 117% Analysis Date = 05/14/03 Pct Recovery = 118% Analysis Date = 05/14/03 Pct Recovery = 118% Analysis Date = 05/08/03 Pct Recovery = 118% Analysis Date = 05/08/03 Pct Recovery = 118% Analysis Date = 05/02/03 Pct Recovery = 118% Analysis Date = 05/02/03 Pct Recovery = 118% Analysis Date = 04/26/03 Pct Recovery = 118% Analysis Date = 04/26/03 Pct Recovery = 118% Analysis Date = 04/21/03 Pct Recovery = 118% Analysis Date = 04/21/03 Pct Recovery = 118% Analysis Date = 04/15/03 Pct Recovery = 118% Analysis Date = 04/15/03 Pct Recovery = 118% Analysis Date = 04/09/03 Pct Recovery = 118% Analysis Date = 04/09/03 Pct Recovery = 118% Analysis Date = 04/04/03 Pct Recovery = 118% Analysis Date = 04/04/03 Pct Recovery = 118% Analysis Date = 03/29/03 Pct Recovery = 118% Analysis Date = 03/29/03 Pct Recovery = 118% Analysis Date = 03/23/03 Pct Recovery = 118% Analysis Date = 03/23/03 Pct Recovery = 118% Analysis Date = 03/17/03 Pct Recovery = 118% Analysis Date = 03/17/03 Pct Recovery = 118% Analysis Date = 03/12/03 Pct Recovery = 118% Analysis Date = 03/12/03 Pct Recovery = 118% Analysis Date = 03/06/03 Pct Recovery = 118% Analysis Date = 03/06/03 Pct Recovery = 118% Analysis Date = 02/28/03 Pct Recovery = 118% Analysis Date = 02/28/03 Pct Recovery = 118% Analysis Date = 02/22/03 Pct Recovery = 118% Analysis Date = 02/22/03 Pct Recovery = 118% Analysis Date = 02/17/03 Pct Recovery = 118% Analysis Date = 02/17/03 Pct Recovery = 118% Analysis Date = 02/11/03 Pct Recovery = 118% Analysis Date = 02/11/03 Pct Recovery = 118% Analysis Date = 02/05/03 Pct Recovery = 118% Analysis Date = 02/05/03 Pct Recovery = 118% Analysis Date = 01/31/03 Pct Recovery = 118% Analysis Date = 01/31/03 Pct Recovery = 118% Analysis Date = 01/25/03 Pct Recovery = 118% Analysis Date = 01/25/03 Pct Recovery = 118% Analysis Date = 01/19/03 Pct Recovery = 118% Analysis Date = 01/19/03 Pct Recovery = 118% Analysis Date = 01/13/03 Pct Recovery = 118% Analysis Date = 01/13/03 Pct Recovery = 118% Analysis Date = 01/08/03 Pct Recovery = 118% Analysis Date = 01/08/03 Pct Recovery = 118% Analysis Date = 01/02/03 Pct Recovery = 118% Analysis Date = 01/02/03 Pct Recovery = 118% Analysis Date = 12/27/02 Pct Recovery = 118% Analysis Date = 12/27/02 Pct Recovery = 118% Analysis Date = 12/22/02 Pct Recovery = 118% Analysis Date = 12/22/02 Pct Recovery = 118% Analysis Date = 12/16/02 Pct Recovery = 118% Analysis Date = 12/16/02 Pct Recovery = 118% Analysis Date = 12/10/02 Pct Recovery = 118% Analysis Date = 12/10/02 Pct Recovery = 118% Analysis Date = 12/04/02 Pct Recovery = 118% Analysis Date = 12/04/02 Pct Recovery = 118% Analysis Date = 11/29/02 Pct Recovery = 118% Analysis Date = 11/29/02 Pct Recovery = 118% Analysis Date = 11/23/02 Pct Recovery = 117% Analysis Date = 11/23/02 Pct Recovery = 117% Analysis Date = 11/17/02 Pct Recovery = 117% Analysis Date = 11/17/02 Pct Recovery = 117% Analysis Date = 11/12/02 Pct Recovery = 117% Analysis Date = 11/12/02 Pct Recovery = 117% Analysis Date = 11/06/02 Pct Recovery = 117% Analysis Date = 11/06/02 Pct Recovery = 117% Analysis Date = 10/31/02 Pct Recovery = 117% Analysis Date = 10/31/02 Pct Recovery = 117% Analysis Date = 10/25/02 Pct Recovery = 117% Analysis Date = 10/25/02 Pct Recovery = 117% Analysis Date = 10/20/02 Pct Recovery = 117% Analysis Date = 10/20/02 Pct Recovery = 117% Analysis Date = 10/14/02 Pct Recovery = 117% Analysis Date = 10/14/02 Pct Recovery = 117% Analysis Date = 10/08/02 Pct Recovery = 117% Analysis Date = 10/08/02 Pct Recovery = 117% Analysis Date = 10/03/02 Pct Recovery = 117% Analysis Date = 10/03/02 Pct Recovery = 117% Analysis Date = 09/27/02 Pct Recovery = 117% Analysis Date = 09/27/02 Pct Recovery = 117% Analysis Date = 09/21/02 Pct Recovery = 117% Analysis Date = 09/21/02 Pct Recovery = 117% Analysis Date = 09/15/02 Pct Recovery = 117% Analysis Date = 09/15/02 Pct Recovery = 117% Analysis Date = 09/10/02 Pct Recovery = 117% Analysis Date = 09/10/02 Pct Recovery = 117% Analysis Date = 09/04/02 Pct Recovery = 117% Analysis Date = 09/04/02 Pct Recovery = 117% Analysis Date = 08/29/02 Pct Recovery = 117% Analysis Date = 08/29/02 Pct Recovery = 117% Analysis Date = 08/24/02 Pct Recovery = 117% Analysis Date = 08/24/02 Pct Recovery = 117% Analysis Date = 08/18/02 Pct Recovery = 117% Analysis Date = 08/18/02 Pct Recovery = 117% Analysis Date = 08/12/02 Pct Recovery = 117% Analysis Date = 08/12/02 Pct Recovery = 117% Analysis Date = 08/06/02 Pct Recovery = 117% Analysis Date = 08/06/02 Pct Recovery = 117% Analysis Date = 08/01/02 Pct Recovery = 117% Analysis Date = 08/01/02 Pct Recovery = 117% Analysis Date = 07/26/02 Pct Recovery = 117% Analysis Date = 07/26/02 Pct Recovery = 117% Analysis Date = 07/20/02 Pct Recovery = 117% Analysis Date = 07/20/02 Pct Recovery = 117% Analysis Date = 07/14/02 Pct Recovery = 117% Analysis Date = 07/14/02 Pct Recovery = 117% Analysis Date = 07/09/02 Pct Recovery = 117% Analysis Date = 07/09/02 Pct Recovery = 117% Analysis Date = 07/03/02 Pct Recovery = 117% Analysis Date = 07/03/02 Pct Recovery = 117% Analysis Date = 06/27/02 Pct Recovery = 117% Analysis Date = 06/27/02 Pct Recovery = 117% Analysis Date = 06/22/02 Pct Recovery = 118% Analysis Date = 06/22/02 Pct Recovery = 118% Analysis Date = 06/16/02 Pct Recovery = 118% Analysis Date = 06/16/02 Pct Recovery = 118% Analysis Date = 06/10/02 Pct Recovery = 118% Analysis Date = 06/10/02 Pct Recovery = 118% Analysis Date = 06/04/02 Pct Recovery = 118% Analysis Date = 06/04/02 Pct Recovery = 118% Analysis Date = 05/30/02 Pct Recovery = 118% Analysis Date = 05/30/02 Pct Recovery = 118% Analysis Date = 05/24/02 Pct Recovery = 118% Analysis Date = 05/24/02 Pct Recovery = 118% Analysis Date = 05/18/02 Pct Recovery = 118% Analysis Date = 05/18/02 Pct Recovery = 118% Analysis Date = 05/13/02 Pct Recovery = 118% Analysis Date = 05/13/02 Pct Recovery = 118% Analysis Date = 05/07/02 Pct Recovery = 118% Analysis Date = 05/07/02 Pct Recovery = 118% Analysis Date = 05/01/02 Pct Recovery = 118% Analysis Date = 05/01/02 Pct Recovery = 118% Analysis Date = 04/25/02 Pct Recovery = 118% Analysis Date = 04/25/02 Pct Recovery = 118% Analysis Date = 04/20/02 Pct Recovery = 118% Analysis Date = 04/20/02 Pct Recovery = 118% Analysis Date = 04/14/02 Pct Recovery = 119% Analysis Date = 04/14/02 Pct Recovery = 119% Analysis Date = 04/08/02 Pct Recovery = 119% Analysis Date = 04/08/02 Pct Recovery = 119% Analysis Date = 04/03/02 Pct Recovery = 119% Analysis Date = 04/03/02 Pct Recovery = 119% Analysis Date = 03/28/02 Pct Recovery = 119% Analysis Date = 03/28/02 Pct Recovery = 119% Analysis Date = 03/22/02 Pct Recovery = 119% Analysis Date = 03/22/02 Pct Recovery = 119% Analysis Date = 03/16/02 Pct Recovery = 119% Analysis Date = 03/16/02 Pct Recovery = 119% Analysis Date = 03/11/02 Pct Recovery = 119% Analysis Date = 03/11/02 Pct Recovery = 119% Analysis Date = 03/05/02 Pct Recovery = 119% Analysis Date = 03/05/02 Pct Recovery = 119% Analysis Date = 02/27/02 Pct Recovery = 119% Analysis Date = 02/27/02 Pct Recovery = 119% Analysis Date = 02/22/02 Pct Recovery = 119% Analysis Date = 02/22/02 Pct Recovery = 119% Analysis Date = 02/16/02 Pct Recovery = 119% Analysis Date = 02/16/02 Pct Recovery = 119% Analysis Date = 02/10/02 Pct Recovery = 120% Analysis Date = 02/10/02 Pct Recovery = 120% Analysis Date = 02/04/02 Pct Recovery = 120% Analysis Date = 02/04/02 Pct Recovery = 120% Analysis Date = 01/30/02 Pct Recovery = 120% Analysis Date = 01/30/02 Pct Recovery = 120% Analysis Date = 01/24/02 Pct Recovery = 120% Analysis Date = 01/24/02 Pct Recovery = 120% Analysis Date = 01/18/02 Pct Recovery = 120% Analysis Date = 01/18/02 Pct Recovery = 120% Analysis Date = 01/13/02 Pct Recovery = 120% Analysis Date = 01/13/02 Pct Recovery = 120% Analysis Date = 01/07/02 Pct Recovery = 120% Analysis Date = 01/07/02 Pct Recovery = 120% Analysis Date = 01/01/02 Pct Recovery = 120% Analysis Date = 01/01/02 Pct Recovery = 120% Analysis Date = 12/26/01 Pct Recovery = 121% Analysis Date = 12/26/01 Pct Recovery = 121% Analysis Date = 12/21/01 Pct Recovery = 121% Analysis Date = 12/21/01 Pct Recovery = 121% Analysis Date = 12/15/01 Pct Recovery = 121% Analysis Date = 12/15/01 Pct Recovery = 121% Analysis Date = 12/09/01 Pct Recovery = 121% Analysis Date = 12/09/01 Pct Recovery = 121% Analysis Date = 12/03/01 Pct Recovery = 121% Analysis Date = 12/03/01 Pct Recovery = 121% Analysis Date = 11/28/01 Pct Recovery = 121% Analysis Date = 11/28/01 Pct Recovery = 121% Analysis Date = 11/22/01 Pct Recovery = 121% Analysis Date = 11/22/01 Pct Recovery = 121% Analysis Date = 11/16/01 Pct Recovery = 121% Analysis Date = 11/16/01 Pct Recovery = 121% Analysis Date = 11/11/01 Pct Recovery = 122% Analysis Date = 11/11/01 Pct Recovery = 122% Analysis Date = 11/05/01 Pct Recovery = 122% Analysis Date = 11/05/01 Pct Recovery = 122% Analysis Date = 10/30/01 Pct Recovery = 122% Analysis Date = 10/30/01 Pct Recovery = 122% Analysis Date = 10/24/01 Pct Recovery = 122% Analysis Date = 10/24/01 Pct Recovery = 122% Analysis Date = 10/19/01 Pct Recovery = 122% Analysis Date = 10/19/01 Pct Recovery = 122% Analysis Date = 10/13/01 Pct Recovery = 122% Analysis Date = 10/13/01 Pct Recovery = 122% Analysis Date = 10/07/01 Pct Recovery = 122% Analysis Date = 10/07/01 Pct Recovery = 122% Analysis Date = 10/02/01 Pct Recovery = 122% Analysis Date = 10/02/01 Pct Recovery = 122% Analysis Date = 09/26/01 Pct Recovery = 123% Analysis Date = 09/26/01 Pct Recovery = 123% Analysis Date = 09/20/01 Pct Recovery = 123% Analysis Date = 09/20/01 Pct Recovery = 123% Analysis Date = 09/14/01 Pct Recovery = 123% Analysis Date = 09/14/01 Pct Recovery = 123% Analysis Date = 09/09/01 Pct Recovery = 123% Analysis Date = 09/09/01 Pct Recovery = 123% Analysis Date = 09/03/01 Pct Recovery = 123% Analysis Date = 09/03/01 Pct Recovery = 123% Analysis Date = 08/28/01 Pct Recovery = 123% Analysis Date = 08/28/01 Pct Recovery = 123% Analysis Date = 08/23/01 Pct Recovery = 123% Analysis Date = 08/23/01 Pct Recovery = 123% Analysis Date = 08/17/01 Pct Recovery = 124% Analysis Date = 08/17/01 Pct Recovery = 124% Analysis Date = 08/11/01 Pct Recovery = 124% Analysis Date = 08/11/01 Pct Recovery = 124% Analysis Date = 08/05/01 Pct Recovery = 124% Analysis Date = 08/05/01 Pct Recovery = 124% Analysis Date = 07/31/01 Pct Recovery = 124% Analysis Date = 07/31/01 Pct Recovery = 124% Analysis Date = 07/25/01 Pct Recovery = 124% Analysis Date = 07/25/01 Pct Recovery = 124% Analysis Date = 07/19/01 Pct Recovery = 124% Analysis Date = 07/19/01 Pct Recovery = 124% Analysis Date = 07/14/01 Pct Recovery = 124% Analysis Date = 07/14/01 Pct Recovery = 124% Analysis Date = 07/08/01 Pct Recovery = 124% Analysis Date = 07/08/01 Pct Recovery = 124% Analysis Date = 07/02/01 Pct Recovery = 124% Analysis Date = 07/02/01 Pct Recovery = 124% Analysis Date = 06/26/01 Pct Recovery = 124% Analysis Date = 06/26/01 Pct Recovery = 124% Analysis Date = 06/21/01 Pct Recovery = 124% Analysis Date = 06/21/01 Pct Recovery = 124% Analysis Date = 06/15/01 Pct Recovery = 124% Analysis Date = 06/15/01 Pct Recovery = 124% Analysis Date = 06/09/01 Pct Recovery = 124% Analysis Date = 06/09/01 Pct Recovery = 124% Analysis Date = 06/04/01 Pct Recovery = 124% Analysis Date = 06/04/01 Pct Recovery = 124% Analysis Date = 05/29/01 Pct Recovery = 124% Analysis Date = 05/29/01 Pct Recovery = 124% Analysis Date = 05/23/01 Pct Recovery = 124% Analysis Date = 05/23/01 Pct Recovery = 124% Analysis Date = 05/17/01 Pct Recovery = 124% Analysis Date = 05/17/01 Pct Recovery = 124% Analysis Date = 05/12/01 Pct Recovery = 124% Analysis Date = 05/12/01 Pct Recovery = 124% Analysis Date = 05/06/01 Pct Recovery = 124% Analysis Date = 05/06/01 Pct Recovery = 124% Analysis Date = 04/30/01 Pct Recovery = 124% Analysis Date = 04/30/01 Pct Recovery = 124% Analysis Date = 04/24/01 Pct Recovery = 124% Analysis Date = 04/24/01 Pct Recovery = 124% Analysis Date = 04/19/01 Pct Recovery = 124% Analysis Date = 04/19/01 Pct Recovery = 124% Analysis Date = 04/13/01 Pct Recovery = 124% Analysis Date = 04/13/01 Pct Recovery = 124% Analysis Date = 04/07/01 Pct Recovery = 124% Analysis Date = 04/07/01 Pct Recovery = 124% Analysis Date = 04/02/01 Pct Recovery = 123% Analysis Date = 04/02/01 Pct Recovery = 123% Analysis Date = 03/27/01 Pct Recovery = 123% Analysis Date = 03/27/01 Pct Recovery = 123% Analysis Date = 03/21/01 Pct Recovery = 123% Analysis Date = 03/21/01 Pct Recovery = 123% Analysis Date = 03/15/01 Pct Recovery = 123% Analysis Date = 03/15/01 Pct Recovery = 123% Analysis Date = 03/10/01 Pct Recovery = 123% Analysis Date = 03/10/01 Pct Recovery = 123% Analysis Date = 03/04/01 Pct Recovery = 123% Analysis Date = 03/04/01 Pct Recovery = 123% Analysis Date = 02/26/01 Pct Recovery = 123% Analysis Date = 02/26/01 Pct Recovery = 123% Analysis Date = 02/21/01 Pct Recovery = 123% Analysis Date = 02/21/01 Pct Recovery = 123% Analysis Date = 02/15/01 Pct Recovery = 123% Analysis Date = 02/15/01 Pct Recovery = 123% Analysis Date = 02/09/01 Pct Recovery = 122% Analysis Date = 02/09/01 Pct Recovery = 122% Analysis Date = 02/03/01 Pct Recovery = 122% Analysis Date = 02/03/01 Pct Recovery = 122% Analysis Date = 01/29/01 Pct Recovery = 122% Analysis Date = 01/29/01 Pct Recovery = 122% Analysis Date = 01/23/01 Pct Recovery = 122% Analysis Date = 01/23/01 Pct Recovery = 122% Analysis Date = 01/17/01 Pct Recovery = 122% Analysis Date = 01/17/01 Pct Recovery = 122% Analysis Date = 01/12/01 Pct Recovery = 122% Analysis Date = 01/12/01 Pct Recovery = 122% Analysis Date = 01/06/01 Pct Recovery = 121% Analysis Date = 01/06/01 Pct Recovery = 121% Analysis Date = 12/31/00 Pct Recovery = 121% Analysis Date = 12/31/00 Pct Recovery = 121% Analysis Date = 12/25/00 Pct Recovery = 121% Analysis Date = 12/25/00 Pct Recovery = 121% Analysis Date = 12/20/00 Pct Recovery = 121% Analysis Date = 12/20/00 Pct Recovery = 121% Analysis Date = 12/14/00 Pct Recovery = 121% Analysis Date = 12/14/00 Pct Recovery = 121% Analysis Date = 12/08/00 Pct Recovery = 121% Analysis Date = 12/08/00 Pct Recovery = 121% Analysis Date = 12/03/00 Pct Recovery = 121% Analysis Date = 12/03/00 Pct Recovery = 121% Analysis Date = 11/27/00 Pct Recovery = 120% Analysis Date = 11/27/00 Pct Recovery = 120% Analysis Date = 11/21/00 Pct Recovery = 120% Analysis Date = 11/21/00 Pct Recovery = 120% Analysis Date = 11/15/00 Pct Recovery = 120% Analysis Date = 11/15/00 Pct Recovery = 120% Analysis Date = 11/10/00 Pct Recovery = 120% Analysis Date = 11/10/00 Pct Recovery = 120% Analysis Date = 11/04/00 Pct Recovery = 120% Analysis Date = 11/04/00 Pct Recovery = 120% Analysis Date = 10/29/00 Pct Recovery = 119% Analysis Date = 10/29/00 Pct Recovery = 119% Analysis Date = 10/24/00 Pct Recovery = 119% Analysis Date = 10/24/00 Pct Recovery = 119% Analysis Date = 10/18/00 Pct Recovery = 119% Analysis Date = 10/18/00 Pct Recovery = 119% Analysis Date = 10/12/00 Pct Recovery = 119% Analysis Date = 10/12/00 Pct Recovery = 119% Analysis Date = 10/06/00 Pct Recovery = 119% Analysis Date = 10/06/00 Pct Recovery = 119% Analysis Date = 10/01/00 Pct Recovery = 118% Analysis Date = 10/01/00 Pct Recovery = 118% Analysis Date = 09/25/00 Pct Recovery = 118% Analysis Date = 09/25/00 Pct Recovery = 118% Analysis Date = 09/19/00 Pct Recovery = 118% Analysis Date = 09/19/00 Pct Recovery = 118% Analysis Date = 09/13/00 Pct Recovery = 118% Analysis Date = 09/13/00 Pct Recovery = 118% Analysis Date = 09/08/00 Pct Recovery = 118% Analysis Date = 09/08/00 Pct Recovery = 118% Analysis Date = 09/02/00 Pct Recovery = 117% Analysis Date = 09/02/00 Pct Recovery = 117% Analysis Date = 08/27/00 Pct Recovery = 117% Analysis Date = 08/27/00 Pct Recovery = 117% Analysis Date = 08/22/00 Pct Recovery = 117% Analysis Date = 08/22/00 Pct Recovery = 117% Analysis Date = 08/16/00 Pct Recovery = 117% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
2-BUTANONE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 7 112% 6% 114% 8%
>= Reporting Level 6 118% 17% 119% 10%
Total 13 115% 12% 114% 6%

Sample Statistics
2-BUTANONE

Characteristic N % % Basis
Plotted 13 76% Spiked
Estimated Values 7 41% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 4 24% Spiked
Spiked 17 .  
False Negatives 0 0% 0 out of 17
Not Spiked 19 .  
False Positives 0 0% 0 out of 19

BQS OBSP Determination:
2-CHLOROTOLUENE
METHOD: 4054 , TESTIDCODE: 77275GCM66
Open Data Set

Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 108% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 98% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 110% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 126% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 94% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 104% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 99% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 106% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 98% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 97% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 107% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 98% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 111% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 106% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 100% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 87% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 101% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 101% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 104% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 96% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 105% Analysis Date = 08/24/01 Pct Recovery = 116% Analysis Date = 08/22/01 Pct Recovery = 116% Analysis Date = 08/22/01 Pct Recovery = 116% Analysis Date = 08/19/01 Pct Recovery = 115% Analysis Date = 08/19/01 Pct Recovery = 115% Analysis Date = 08/16/01 Pct Recovery = 115% Analysis Date = 08/16/01 Pct Recovery = 115% Analysis Date = 08/13/01 Pct Recovery = 115% Analysis Date = 08/13/01 Pct Recovery = 115% Analysis Date = 08/10/01 Pct Recovery = 115% Analysis Date = 08/10/01 Pct Recovery = 115% Analysis Date = 08/07/01 Pct Recovery = 115% Analysis Date = 08/07/01 Pct Recovery = 115% Analysis Date = 08/04/01 Pct Recovery = 115% Analysis Date = 08/04/01 Pct Recovery = 115% Analysis Date = 08/01/01 Pct Recovery = 114% Analysis Date = 08/01/01 Pct Recovery = 114% Analysis Date = 07/29/01 Pct Recovery = 114% Analysis Date = 07/29/01 Pct Recovery = 114% Analysis Date = 07/26/01 Pct Recovery = 114% Analysis Date = 07/26/01 Pct Recovery = 114% Analysis Date = 07/23/01 Pct Recovery = 114% Analysis Date = 07/23/01 Pct Recovery = 114% Analysis Date = 07/20/01 Pct Recovery = 114% Analysis Date = 07/20/01 Pct Recovery = 114% Analysis Date = 07/17/01 Pct Recovery = 114% Analysis Date = 07/17/01 Pct Recovery = 114% Analysis Date = 07/14/01 Pct Recovery = 113% Analysis Date = 07/14/01 Pct Recovery = 113% Analysis Date = 07/11/01 Pct Recovery = 113% Analysis Date = 07/11/01 Pct Recovery = 113% Analysis Date = 07/08/01 Pct Recovery = 113% Analysis Date = 07/08/01 Pct Recovery = 113% Analysis Date = 07/05/01 Pct Recovery = 113% Analysis Date = 07/05/01 Pct Recovery = 113% Analysis Date = 07/02/01 Pct Recovery = 113% Analysis Date = 07/02/01 Pct Recovery = 113% Analysis Date = 06/29/01 Pct Recovery = 113% Analysis Date = 06/29/01 Pct Recovery = 113% Analysis Date = 06/26/01 Pct Recovery = 112% Analysis Date = 06/26/01 Pct Recovery = 112% Analysis Date = 06/23/01 Pct Recovery = 112% Analysis Date = 06/23/01 Pct Recovery = 112% Analysis Date = 06/20/01 Pct Recovery = 112% Analysis Date = 06/20/01 Pct Recovery = 112% Analysis Date = 06/17/01 Pct Recovery = 112% Analysis Date = 06/17/01 Pct Recovery = 112% Analysis Date = 06/15/01 Pct Recovery = 112% Analysis Date = 06/15/01 Pct Recovery = 112% Analysis Date = 06/12/01 Pct Recovery = 112% Analysis Date = 06/12/01 Pct Recovery = 112% Analysis Date = 06/09/01 Pct Recovery = 111% Analysis Date = 06/09/01 Pct Recovery = 111% Analysis Date = 06/06/01 Pct Recovery = 111% Analysis Date = 06/06/01 Pct Recovery = 111% Analysis Date = 06/03/01 Pct Recovery = 111% Analysis Date = 06/03/01 Pct Recovery = 111% Analysis Date = 05/31/01 Pct Recovery = 111% Analysis Date = 05/31/01 Pct Recovery = 111% Analysis Date = 05/28/01 Pct Recovery = 111% Analysis Date = 05/28/01 Pct Recovery = 111% Analysis Date = 05/25/01 Pct Recovery = 111% Analysis Date = 05/25/01 Pct Recovery = 111% Analysis Date = 05/22/01 Pct Recovery = 110% Analysis Date = 05/22/01 Pct Recovery = 110% Analysis Date = 05/19/01 Pct Recovery = 110% Analysis Date = 05/19/01 Pct Recovery = 110% Analysis Date = 05/16/01 Pct Recovery = 110% Analysis Date = 05/16/01 Pct Recovery = 110% Analysis Date = 05/13/01 Pct Recovery = 110% Analysis Date = 05/13/01 Pct Recovery = 110% Analysis Date = 05/10/01 Pct Recovery = 110% Analysis Date = 05/10/01 Pct Recovery = 110% Analysis Date = 05/07/01 Pct Recovery = 110% Analysis Date = 05/07/01 Pct Recovery = 110% Analysis Date = 05/04/01 Pct Recovery = 109% Analysis Date = 05/04/01 Pct Recovery = 109% Analysis Date = 05/01/01 Pct Recovery = 109% Analysis Date = 05/01/01 Pct Recovery = 109% Analysis Date = 04/28/01 Pct Recovery = 109% Analysis Date = 04/28/01 Pct Recovery = 109% Analysis Date = 04/25/01 Pct Recovery = 109% Analysis Date = 04/25/01 Pct Recovery = 109% Analysis Date = 04/22/01 Pct Recovery = 109% Analysis Date = 04/22/01 Pct Recovery = 109% Analysis Date = 04/19/01 Pct Recovery = 109% Analysis Date = 04/19/01 Pct Recovery = 109% Analysis Date = 04/16/01 Pct Recovery = 108% Analysis Date = 04/16/01 Pct Recovery = 108% Analysis Date = 04/13/01 Pct Recovery = 108% Analysis Date = 04/13/01 Pct Recovery = 108% Analysis Date = 04/10/01 Pct Recovery = 108% Analysis Date = 04/10/01 Pct Recovery = 108% Analysis Date = 04/08/01 Pct Recovery = 108% Analysis Date = 04/08/01 Pct Recovery = 108% Analysis Date = 04/05/01 Pct Recovery = 108% Analysis Date = 04/05/01 Pct Recovery = 108% Analysis Date = 04/02/01 Pct Recovery = 108% Analysis Date = 04/02/01 Pct Recovery = 108% Analysis Date = 03/30/01 Pct Recovery = 107% Analysis Date = 03/30/01 Pct Recovery = 107% Analysis Date = 03/27/01 Pct Recovery = 107% Analysis Date = 03/27/01 Pct Recovery = 107% Analysis Date = 03/24/01 Pct Recovery = 107% Analysis Date = 03/24/01 Pct Recovery = 107% Analysis Date = 03/21/01 Pct Recovery = 107% Analysis Date = 03/21/01 Pct Recovery = 107% Analysis Date = 03/18/01 Pct Recovery = 107% Analysis Date = 03/18/01 Pct Recovery = 107% Analysis Date = 03/15/01 Pct Recovery = 107% Analysis Date = 03/15/01 Pct Recovery = 107% Analysis Date = 03/12/01 Pct Recovery = 106% Analysis Date = 03/12/01 Pct Recovery = 106% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 02/28/01 Pct Recovery = 106% Analysis Date = 02/28/01 Pct Recovery = 106% Analysis Date = 02/25/01 Pct Recovery = 105% Analysis Date = 02/25/01 Pct Recovery = 105% Analysis Date = 02/22/01 Pct Recovery = 105% Analysis Date = 02/22/01 Pct Recovery = 105% Analysis Date = 02/19/01 Pct Recovery = 105% Analysis Date = 02/19/01 Pct Recovery = 105% Analysis Date = 02/16/01 Pct Recovery = 105% Analysis Date = 02/16/01 Pct Recovery = 105% Analysis Date = 02/13/01 Pct Recovery = 104% Analysis Date = 02/13/01 Pct Recovery = 104% Analysis Date = 02/10/01 Pct Recovery = 104% Analysis Date = 02/10/01 Pct Recovery = 104% Analysis Date = 02/07/01 Pct Recovery = 104% Analysis Date = 02/07/01 Pct Recovery = 104% Analysis Date = 02/04/01 Pct Recovery = 104% Analysis Date = 02/04/01 Pct Recovery = 104% Analysis Date = 02/01/01 Pct Recovery = 104% Analysis Date = 02/01/01 Pct Recovery = 104% Analysis Date = 01/30/01 Pct Recovery = 103% Analysis Date = 01/30/01 Pct Recovery = 103% Analysis Date = 01/27/01 Pct Recovery = 103% Analysis Date = 01/27/01 Pct Recovery = 103% Analysis Date = 01/24/01 Pct Recovery = 103% Analysis Date = 01/24/01 Pct Recovery = 103% Analysis Date = 01/21/01 Pct Recovery = 103% Analysis Date = 01/21/01 Pct Recovery = 103% Analysis Date = 01/18/01 Pct Recovery = 102% Analysis Date = 01/18/01 Pct Recovery = 102% Analysis Date = 01/15/01 Pct Recovery = 102% Analysis Date = 01/15/01 Pct Recovery = 102% Analysis Date = 01/12/01 Pct Recovery = 102% Analysis Date = 01/12/01 Pct Recovery = 102% Analysis Date = 01/09/01 Pct Recovery = 102% Analysis Date = 01/09/01 Pct Recovery = 102% Analysis Date = 01/06/01 Pct Recovery = 101% Analysis Date = 01/06/01 Pct Recovery = 101% Analysis Date = 01/03/01 Pct Recovery = 101% Analysis Date = 01/03/01 Pct Recovery = 101% Analysis Date = 12/31/00 Pct Recovery = 101% Analysis Date = 12/31/00 Pct Recovery = 101% Analysis Date = 12/28/00 Pct Recovery = 101% Analysis Date = 12/28/00 Pct Recovery = 101% Analysis Date = 12/25/00 Pct Recovery = 101% Analysis Date = 12/25/00 Pct Recovery = 101% Analysis Date = 12/22/00 Pct Recovery = 100% Analysis Date = 12/22/00 Pct Recovery = 100% Analysis Date = 12/19/00 Pct Recovery = 100% Analysis Date = 12/19/00 Pct Recovery = 100% Analysis Date = 12/16/00 Pct Recovery = 100% Analysis Date = 12/16/00 Pct Recovery = 100% Analysis Date = 12/13/00 Pct Recovery = 100% Analysis Date = 12/13/00 Pct Recovery = 100% Analysis Date = 12/10/00 Pct Recovery = 99% Analysis Date = 12/10/00 Pct Recovery = 99% Analysis Date = 12/07/00 Pct Recovery = 99% Analysis Date = 12/07/00 Pct Recovery = 99% Analysis Date = 12/04/00 Pct Recovery = 99% Analysis Date = 12/04/00 Pct Recovery = 99% Analysis Date = 12/01/00 Pct Recovery = 99% Analysis Date = 12/01/00 Pct Recovery = 99% Analysis Date = 11/28/00 Pct Recovery = 99% Analysis Date = 11/28/00 Pct Recovery = 99% Analysis Date = 11/25/00 Pct Recovery = 98% Analysis Date = 11/25/00 Pct Recovery = 98% Analysis Date = 11/23/00 Pct Recovery = 98% Analysis Date = 11/23/00 Pct Recovery = 98% Analysis Date = 11/20/00 Pct Recovery = 98% Analysis Date = 11/20/00 Pct Recovery = 98% Analysis Date = 11/17/00 Pct Recovery = 98% Analysis Date = 11/17/00 Pct Recovery = 98% Analysis Date = 11/14/00 Pct Recovery = 98% Analysis Date = 11/14/00 Pct Recovery = 98% Analysis Date = 11/11/00 Pct Recovery = 98% Analysis Date = 11/11/00 Pct Recovery = 98% Analysis Date = 11/08/00 Pct Recovery = 98% Analysis Date = 11/08/00 Pct Recovery = 98% Analysis Date = 11/05/00 Pct Recovery = 98% Analysis Date = 11/05/00 Pct Recovery = 98% Analysis Date = 11/02/00 Pct Recovery = 98% Analysis Date = 11/02/00 Pct Recovery = 98% Analysis Date = 10/30/00 Pct Recovery = 98% Analysis Date = 10/30/00 Pct Recovery = 98% Analysis Date = 10/27/00 Pct Recovery = 98% Analysis Date = 10/27/00 Pct Recovery = 98% Analysis Date = 10/24/00 Pct Recovery = 98% Analysis Date = 10/24/00 Pct Recovery = 98% Analysis Date = 10/21/00 Pct Recovery = 98% Analysis Date = 10/21/00 Pct Recovery = 98% Analysis Date = 10/18/00 Pct Recovery = 98% Analysis Date = 10/18/00 Pct Recovery = 98% Analysis Date = 10/15/00 Pct Recovery = 98% Analysis Date = 10/15/00 Pct Recovery = 98% Analysis Date = 10/12/00 Pct Recovery = 98% Analysis Date = 10/12/00 Pct Recovery = 98% Analysis Date = 10/09/00 Pct Recovery = 98% Analysis Date = 10/09/00 Pct Recovery = 98% Analysis Date = 10/06/00 Pct Recovery = 98% Analysis Date = 10/06/00 Pct Recovery = 98% Analysis Date = 10/03/00 Pct Recovery = 98% Analysis Date = 10/03/00 Pct Recovery = 98% Analysis Date = 09/30/00 Pct Recovery = 98% Analysis Date = 09/30/00 Pct Recovery = 98% Analysis Date = 09/27/00 Pct Recovery = 98% Analysis Date = 09/27/00 Pct Recovery = 98% Analysis Date = 09/24/00 Pct Recovery = 98% Analysis Date = 09/24/00 Pct Recovery = 98% Analysis Date = 09/21/00 Pct Recovery = 98% Analysis Date = 09/21/00 Pct Recovery = 98% Analysis Date = 09/18/00 Pct Recovery = 99% Analysis Date = 09/18/00 Pct Recovery = 99% Analysis Date = 09/15/00 Pct Recovery = 99% Analysis Date = 09/15/00 Pct Recovery = 99% Analysis Date = 09/13/00 Pct Recovery = 99% Analysis Date = 09/13/00 Pct Recovery = 99% Analysis Date = 09/10/00 Pct Recovery = 99% Analysis Date = 09/10/00 Pct Recovery = 99% Analysis Date = 09/07/00 Pct Recovery = 99% Analysis Date = 09/07/00 Pct Recovery = 99% Analysis Date = 09/04/00 Pct Recovery = 99% Analysis Date = 09/04/00 Pct Recovery = 99% Analysis Date = 09/01/00 Pct Recovery = 99% Analysis Date = 09/01/00 Pct Recovery = 99% Analysis Date = 08/29/00 Pct Recovery = 99% Analysis Date = 08/29/00 Pct Recovery = 99% Analysis Date = 08/26/00 Pct Recovery = 99% Analysis Date = 08/26/00 Pct Recovery = 99% Analysis Date = 08/23/00 Pct Recovery = 99% Analysis Date = 08/23/00 Pct Recovery = 99% Analysis Date = 08/20/00 Pct Recovery = 99% Analysis Date = 08/20/00 Pct Recovery = 99% Analysis Date = 08/17/00 Pct Recovery = 99% Analysis Date = 08/17/00 Pct Recovery = 99% Analysis Date = 08/14/00 Pct Recovery = 99% Analysis Date = 08/14/00 Pct Recovery = 99% Analysis Date = 08/11/00 Pct Recovery = 99% Analysis Date = 08/11/00 Pct Recovery = 99% Analysis Date = 08/08/00 Pct Recovery = 99% Analysis Date = 08/08/00 Pct Recovery = 99% Analysis Date = 08/05/00 Pct Recovery = 99% Analysis Date = 08/05/00 Pct Recovery = 99% Analysis Date = 08/02/00 Pct Recovery = 99% Analysis Date = 08/02/00 Pct Recovery = 99% Analysis Date = 07/30/00 Pct Recovery = 99% Analysis Date = 07/30/00 Pct Recovery = 99% Analysis Date = 07/27/00 Pct Recovery = 99% Analysis Date = 07/27/00 Pct Recovery = 99% Analysis Date = 07/24/00 Pct Recovery = 99% Analysis Date = 07/24/00 Pct Recovery = 99% Analysis Date = 07/21/00 Pct Recovery = 100% Analysis Date = 07/21/00 Pct Recovery = 100% Analysis Date = 07/18/00 Pct Recovery = 100% Analysis Date = 07/18/00 Pct Recovery = 100% Analysis Date = 07/15/00 Pct Recovery = 100% Analysis Date = 07/15/00 Pct Recovery = 100% Analysis Date = 07/12/00 Pct Recovery = 100% Analysis Date = 07/12/00 Pct Recovery = 100% Analysis Date = 07/09/00 Pct Recovery = 100% Analysis Date = 07/09/00 Pct Recovery = 100% Analysis Date = 07/07/00 Pct Recovery = 101% Analysis Date = 07/07/00 Pct Recovery = 101% Analysis Date = 07/04/00 Pct Recovery = 101% Analysis Date = 07/04/00 Pct Recovery = 101% Analysis Date = 07/01/00 Pct Recovery = 101% Analysis Date = 07/01/00 Pct Recovery = 101% Analysis Date = 06/28/00 Pct Recovery = 101% Analysis Date = 06/28/00 Pct Recovery = 101% Analysis Date = 06/25/00 Pct Recovery = 101% Analysis Date = 06/25/00 Pct Recovery = 101% Analysis Date = 06/22/00 Pct Recovery = 101% Analysis Date = 06/22/00 Pct Recovery = 101% Analysis Date = 06/19/00 Pct Recovery = 102% Analysis Date = 06/19/00 Pct Recovery = 102% Analysis Date = 06/16/00 Pct Recovery = 102% Analysis Date = 06/16/00 Pct Recovery = 102% Analysis Date = 06/13/00 Pct Recovery = 102% Analysis Date = 06/13/00 Pct Recovery = 102% Analysis Date = 06/10/00 Pct Recovery = 102% Analysis Date = 06/10/00 Pct Recovery = 102% Analysis Date = 06/07/00 Pct Recovery = 102% Analysis Date = 06/07/00 Pct Recovery = 102% Analysis Date = 06/04/00 Pct Recovery = 102% Analysis Date = 06/04/00 Pct Recovery = 102% Analysis Date = 06/01/00 Pct Recovery = 102% Analysis Date = 06/01/00 Pct Recovery = 102% Analysis Date = 05/29/00 Pct Recovery = 102% Analysis Date = 05/29/00 Pct Recovery = 102% Analysis Date = 05/26/00 Pct Recovery = 102% Analysis Date = 05/26/00 Pct Recovery = 102% Analysis Date = 05/23/00 Pct Recovery = 102% Analysis Date = 05/23/00 Pct Recovery = 102% Analysis Date = 05/20/00 Pct Recovery = 102% Analysis Date = 05/20/00 Pct Recovery = 102% Analysis Date = 05/17/00 Pct Recovery = 102% Analysis Date = 05/17/00 Pct Recovery = 102% Analysis Date = 05/14/00 Pct Recovery = 102% Analysis Date = 05/14/00 Pct Recovery = 102% Analysis Date = 05/11/00 Pct Recovery = 102% Analysis Date = 05/11/00 Pct Recovery = 102% Analysis Date = 05/08/00 Pct Recovery = 102% Analysis Date = 05/08/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/24/00 Pct Recovery = 102% Analysis Date = 04/24/00 Pct Recovery = 102% Analysis Date = 04/21/00 Pct Recovery = 102% Analysis Date = 04/21/00 Pct Recovery = 102% Analysis Date = 04/18/00 Pct Recovery = 102% Analysis Date = 04/18/00 Pct Recovery = 102% Analysis Date = 04/15/00 Pct Recovery = 102% Analysis Date = 04/15/00 Pct Recovery = 102% Analysis Date = 04/12/00 Pct Recovery = 102% Analysis Date = 04/12/00 Pct Recovery = 102% Analysis Date = 04/09/00 Pct Recovery = 102% Analysis Date = 04/09/00 Pct Recovery = 102% Analysis Date = 04/06/00 Pct Recovery = 102% Analysis Date = 04/06/00 Pct Recovery = 102% Analysis Date = 04/03/00 Pct Recovery = 102% Analysis Date = 04/03/00 Pct Recovery = 102% Analysis Date = 03/31/00 Pct Recovery = 102% Analysis Date = 03/31/00 Pct Recovery = 102% Analysis Date = 03/28/00 Pct Recovery = 102% Analysis Date = 03/28/00 Pct Recovery = 102% Analysis Date = 03/25/00 Pct Recovery = 102% Analysis Date = 03/25/00 Pct Recovery = 102% Analysis Date = 03/22/00 Pct Recovery = 102% Analysis Date = 03/22/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/16/00 Pct Recovery = 102% Analysis Date = 03/16/00 Pct Recovery = 102% Analysis Date = 03/13/00 Pct Recovery = 102% Analysis Date = 03/13/00 Pct Recovery = 102% Analysis Date = 03/10/00 Pct Recovery = 102% Analysis Date = 03/10/00 Pct Recovery = 102% Analysis Date = 03/07/00 Pct Recovery = 102% Analysis Date = 03/07/00 Pct Recovery = 102% Analysis Date = 03/04/00 Pct Recovery = 103% Analysis Date = 03/04/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 02/27/00 Pct Recovery = 103% Analysis Date = 02/27/00 Pct Recovery = 103% Analysis Date = 02/24/00 Pct Recovery = 103% Analysis Date = 02/24/00 Pct Recovery = 103% Analysis Date = 02/22/00 Pct Recovery = 103% Analysis Date = 02/22/00 Pct Recovery = 103% Analysis Date = 02/19/00 Pct Recovery = 103% Analysis Date = 02/19/00 Pct Recovery = 103% Analysis Date = 02/16/00 Pct Recovery = 103% Analysis Date = 02/16/00 Pct Recovery = 103% Analysis Date = 02/13/00 Pct Recovery = 103% Analysis Date = 02/13/00 Pct Recovery = 103% Analysis Date = 02/10/00 Pct Recovery = 103% Analysis Date = 02/10/00 Pct Recovery = 103% Analysis Date = 02/07/00 Pct Recovery = 103% Analysis Date = 02/07/00 Pct Recovery = 103% Analysis Date = 02/04/00 Pct Recovery = 103% Analysis Date = 02/04/00 Pct Recovery = 103% Analysis Date = 02/01/00 Pct Recovery = 103% Analysis Date = 02/01/00 Pct Recovery = 103% Analysis Date = 01/29/00 Pct Recovery = 103% Analysis Date = 01/29/00 Pct Recovery = 103% Analysis Date = 01/26/00 Pct Recovery = 103% Analysis Date = 01/26/00 Pct Recovery = 103% Analysis Date = 01/23/00 Pct Recovery = 103% Analysis Date = 01/23/00 Pct Recovery = 103% Analysis Date = 01/20/00 Pct Recovery = 103% Analysis Date = 01/20/00 Pct Recovery = 103% Analysis Date = 01/17/00 Pct Recovery = 103% Analysis Date = 01/17/00 Pct Recovery = 103% Analysis Date = 01/14/00 Pct Recovery = 103% Analysis Date = 01/14/00 Pct Recovery = 103% Analysis Date = 01/11/00 Pct Recovery = 104% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
2-CHLOROTOLUENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 103% 8% 101% 6%
Total 21 103% 8% 101% 6%

Sample Statistics
2-CHLOROTOLUENE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
2-HEXANONE
METHOD: 4054 , TESTIDCODE: 77103GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 106% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 93% Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 113% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 102% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 127% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 97% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 101% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 103% Analysis Date = 10/03/03 Pct Recovery = 98% Analysis Date = 09/28/03 Pct Recovery = 98% Analysis Date = 09/28/03 Pct Recovery = 98% Analysis Date = 09/22/03 Pct Recovery = 99% Analysis Date = 09/22/03 Pct Recovery = 99% Analysis Date = 09/16/03 Pct Recovery = 99% Analysis Date = 09/16/03 Pct Recovery = 99% Analysis Date = 09/11/03 Pct Recovery = 100% Analysis Date = 09/11/03 Pct Recovery = 100% Analysis Date = 09/05/03 Pct Recovery = 100% Analysis Date = 09/05/03 Pct Recovery = 100% Analysis Date = 08/30/03 Pct Recovery = 101% Analysis Date = 08/30/03 Pct Recovery = 101% Analysis Date = 08/24/03 Pct Recovery = 101% Analysis Date = 08/24/03 Pct Recovery = 101% Analysis Date = 08/19/03 Pct Recovery = 101% Analysis Date = 08/19/03 Pct Recovery = 101% Analysis Date = 08/13/03 Pct Recovery = 102% Analysis Date = 08/13/03 Pct Recovery = 102% Analysis Date = 08/07/03 Pct Recovery = 102% Analysis Date = 08/07/03 Pct Recovery = 102% Analysis Date = 08/02/03 Pct Recovery = 103% Analysis Date = 08/02/03 Pct Recovery = 103% Analysis Date = 07/27/03 Pct Recovery = 103% Analysis Date = 07/27/03 Pct Recovery = 103% Analysis Date = 07/21/03 Pct Recovery = 103% Analysis Date = 07/21/03 Pct Recovery = 103% Analysis Date = 07/15/03 Pct Recovery = 103% Analysis Date = 07/15/03 Pct Recovery = 103% Analysis Date = 07/10/03 Pct Recovery = 103% Analysis Date = 07/10/03 Pct Recovery = 103% Analysis Date = 07/04/03 Pct Recovery = 103% Analysis Date = 07/04/03 Pct Recovery = 103% Analysis Date = 06/28/03 Pct Recovery = 103% Analysis Date = 06/28/03 Pct Recovery = 103% Analysis Date = 06/23/03 Pct Recovery = 103% Analysis Date = 06/23/03 Pct Recovery = 103% Analysis Date = 06/17/03 Pct Recovery = 103% Analysis Date = 06/17/03 Pct Recovery = 103% Analysis Date = 06/11/03 Pct Recovery = 104% Analysis Date = 06/11/03 Pct Recovery = 104% Analysis Date = 06/05/03 Pct Recovery = 104% Analysis Date = 06/05/03 Pct Recovery = 104% Analysis Date = 05/31/03 Pct Recovery = 104% Analysis Date = 05/31/03 Pct Recovery = 104% Analysis Date = 05/25/03 Pct Recovery = 104% Analysis Date = 05/25/03 Pct Recovery = 104% Analysis Date = 05/19/03 Pct Recovery = 104% Analysis Date = 05/19/03 Pct Recovery = 104% Analysis Date = 05/14/03 Pct Recovery = 104% Analysis Date = 05/14/03 Pct Recovery = 104% Analysis Date = 05/08/03 Pct Recovery = 104% Analysis Date = 05/08/03 Pct Recovery = 104% Analysis Date = 05/02/03 Pct Recovery = 104% Analysis Date = 05/02/03 Pct Recovery = 104% Analysis Date = 04/26/03 Pct Recovery = 104% Analysis Date = 04/26/03 Pct Recovery = 104% Analysis Date = 04/21/03 Pct Recovery = 104% Analysis Date = 04/21/03 Pct Recovery = 104% Analysis Date = 04/15/03 Pct Recovery = 104% Analysis Date = 04/15/03 Pct Recovery = 104% Analysis Date = 04/09/03 Pct Recovery = 104% Analysis Date = 04/09/03 Pct Recovery = 104% Analysis Date = 04/04/03 Pct Recovery = 104% Analysis Date = 04/04/03 Pct Recovery = 104% Analysis Date = 03/29/03 Pct Recovery = 104% Analysis Date = 03/29/03 Pct Recovery = 104% Analysis Date = 03/23/03 Pct Recovery = 104% Analysis Date = 03/23/03 Pct Recovery = 104% Analysis Date = 03/17/03 Pct Recovery = 104% Analysis Date = 03/17/03 Pct Recovery = 104% Analysis Date = 03/12/03 Pct Recovery = 104% Analysis Date = 03/12/03 Pct Recovery = 104% Analysis Date = 03/06/03 Pct Recovery = 105% Analysis Date = 03/06/03 Pct Recovery = 105% Analysis Date = 02/28/03 Pct Recovery = 105% Analysis Date = 02/28/03 Pct Recovery = 105% Analysis Date = 02/22/03 Pct Recovery = 105% Analysis Date = 02/22/03 Pct Recovery = 105% Analysis Date = 02/17/03 Pct Recovery = 105% Analysis Date = 02/17/03 Pct Recovery = 105% Analysis Date = 02/11/03 Pct Recovery = 105% Analysis Date = 02/11/03 Pct Recovery = 105% Analysis Date = 02/05/03 Pct Recovery = 105% Analysis Date = 02/05/03 Pct Recovery = 105% Analysis Date = 01/31/03 Pct Recovery = 105% Analysis Date = 01/31/03 Pct Recovery = 105% Analysis Date = 01/25/03 Pct Recovery = 105% Analysis Date = 01/25/03 Pct Recovery = 105% Analysis Date = 01/19/03 Pct Recovery = 105% Analysis Date = 01/19/03 Pct Recovery = 105% Analysis Date = 01/13/03 Pct Recovery = 105% Analysis Date = 01/13/03 Pct Recovery = 105% Analysis Date = 01/08/03 Pct Recovery = 105% Analysis Date = 01/08/03 Pct Recovery = 105% Analysis Date = 01/02/03 Pct Recovery = 105% Analysis Date = 01/02/03 Pct Recovery = 105% Analysis Date = 12/27/02 Pct Recovery = 105% Analysis Date = 12/27/02 Pct Recovery = 105% Analysis Date = 12/22/02 Pct Recovery = 105% Analysis Date = 12/22/02 Pct Recovery = 105% Analysis Date = 12/16/02 Pct Recovery = 105% Analysis Date = 12/16/02 Pct Recovery = 105% Analysis Date = 12/10/02 Pct Recovery = 105% Analysis Date = 12/10/02 Pct Recovery = 105% Analysis Date = 12/04/02 Pct Recovery = 106% Analysis Date = 12/04/02 Pct Recovery = 106% Analysis Date = 11/29/02 Pct Recovery = 106% Analysis Date = 11/29/02 Pct Recovery = 106% Analysis Date = 11/23/02 Pct Recovery = 106% Analysis Date = 11/23/02 Pct Recovery = 106% Analysis Date = 11/17/02 Pct Recovery = 106% Analysis Date = 11/17/02 Pct Recovery = 106% Analysis Date = 11/12/02 Pct Recovery = 106% Analysis Date = 11/12/02 Pct Recovery = 106% Analysis Date = 11/06/02 Pct Recovery = 106% Analysis Date = 11/06/02 Pct Recovery = 106% Analysis Date = 10/31/02 Pct Recovery = 106% Analysis Date = 10/31/02 Pct Recovery = 106% Analysis Date = 10/25/02 Pct Recovery = 106% Analysis Date = 10/25/02 Pct Recovery = 106% Analysis Date = 10/20/02 Pct Recovery = 106% Analysis Date = 10/20/02 Pct Recovery = 106% Analysis Date = 10/14/02 Pct Recovery = 106% Analysis Date = 10/14/02 Pct Recovery = 106% Analysis Date = 10/08/02 Pct Recovery = 106% Analysis Date = 10/08/02 Pct Recovery = 106% Analysis Date = 10/03/02 Pct Recovery = 106% Analysis Date = 10/03/02 Pct Recovery = 106% Analysis Date = 09/27/02 Pct Recovery = 106% Analysis Date = 09/27/02 Pct Recovery = 106% Analysis Date = 09/21/02 Pct Recovery = 106% Analysis Date = 09/21/02 Pct Recovery = 106% Analysis Date = 09/15/02 Pct Recovery = 106% Analysis Date = 09/15/02 Pct Recovery = 106% Analysis Date = 09/10/02 Pct Recovery = 106% Analysis Date = 09/10/02 Pct Recovery = 106% Analysis Date = 09/04/02 Pct Recovery = 106% Analysis Date = 09/04/02 Pct Recovery = 106% Analysis Date = 08/29/02 Pct Recovery = 107% Analysis Date = 08/29/02 Pct Recovery = 107% Analysis Date = 08/24/02 Pct Recovery = 107% Analysis Date = 08/24/02 Pct Recovery = 107% Analysis Date = 08/18/02 Pct Recovery = 107% Analysis Date = 08/18/02 Pct Recovery = 107% Analysis Date = 08/12/02 Pct Recovery = 107% Analysis Date = 08/12/02 Pct Recovery = 107% Analysis Date = 08/06/02 Pct Recovery = 107% Analysis Date = 08/06/02 Pct Recovery = 107% Analysis Date = 08/01/02 Pct Recovery = 107% Analysis Date = 08/01/02 Pct Recovery = 107% Analysis Date = 07/26/02 Pct Recovery = 107% Analysis Date = 07/26/02 Pct Recovery = 107% Analysis Date = 07/20/02 Pct Recovery = 107% Analysis Date = 07/20/02 Pct Recovery = 107% Analysis Date = 07/14/02 Pct Recovery = 107% Analysis Date = 07/14/02 Pct Recovery = 107% Analysis Date = 07/09/02 Pct Recovery = 107% Analysis Date = 07/09/02 Pct Recovery = 107% Analysis Date = 07/03/02 Pct Recovery = 107% Analysis Date = 07/03/02 Pct Recovery = 107% Analysis Date = 06/27/02 Pct Recovery = 107% Analysis Date = 06/27/02 Pct Recovery = 107% Analysis Date = 06/22/02 Pct Recovery = 107% Analysis Date = 06/22/02 Pct Recovery = 107% Analysis Date = 06/16/02 Pct Recovery = 107% Analysis Date = 06/16/02 Pct Recovery = 107% Analysis Date = 06/10/02 Pct Recovery = 107% Analysis Date = 06/10/02 Pct Recovery = 107% Analysis Date = 06/04/02 Pct Recovery = 107% Analysis Date = 06/04/02 Pct Recovery = 107% Analysis Date = 05/30/02 Pct Recovery = 108% Analysis Date = 05/30/02 Pct Recovery = 108% Analysis Date = 05/24/02 Pct Recovery = 108% Analysis Date = 05/24/02 Pct Recovery = 108% Analysis Date = 05/18/02 Pct Recovery = 108% Analysis Date = 05/18/02 Pct Recovery = 108% Analysis Date = 05/13/02 Pct Recovery = 108% Analysis Date = 05/13/02 Pct Recovery = 108% Analysis Date = 05/07/02 Pct Recovery = 108% Analysis Date = 05/07/02 Pct Recovery = 108% Analysis Date = 05/01/02 Pct Recovery = 108% Analysis Date = 05/01/02 Pct Recovery = 108% Analysis Date = 04/25/02 Pct Recovery = 108% Analysis Date = 04/25/02 Pct Recovery = 108% Analysis Date = 04/20/02 Pct Recovery = 108% Analysis Date = 04/20/02 Pct Recovery = 108% Analysis Date = 04/14/02 Pct Recovery = 108% Analysis Date = 04/14/02 Pct Recovery = 108% Analysis Date = 04/08/02 Pct Recovery = 108% Analysis Date = 04/08/02 Pct Recovery = 108% Analysis Date = 04/03/02 Pct Recovery = 108% Analysis Date = 04/03/02 Pct Recovery = 108% Analysis Date = 03/28/02 Pct Recovery = 108% Analysis Date = 03/28/02 Pct Recovery = 108% Analysis Date = 03/22/02 Pct Recovery = 108% Analysis Date = 03/22/02 Pct Recovery = 108% Analysis Date = 03/16/02 Pct Recovery = 108% Analysis Date = 03/16/02 Pct Recovery = 108% Analysis Date = 03/11/02 Pct Recovery = 108% Analysis Date = 03/11/02 Pct Recovery = 108% Analysis Date = 03/05/02 Pct Recovery = 108% Analysis Date = 03/05/02 Pct Recovery = 108% Analysis Date = 02/27/02 Pct Recovery = 108% Analysis Date = 02/27/02 Pct Recovery = 108% Analysis Date = 02/22/02 Pct Recovery = 109% Analysis Date = 02/22/02 Pct Recovery = 109% Analysis Date = 02/16/02 Pct Recovery = 109% Analysis Date = 02/16/02 Pct Recovery = 109% Analysis Date = 02/10/02 Pct Recovery = 109% Analysis Date = 02/10/02 Pct Recovery = 109% Analysis Date = 02/04/02 Pct Recovery = 109% Analysis Date = 02/04/02 Pct Recovery = 109% Analysis Date = 01/30/02 Pct Recovery = 109% Analysis Date = 01/30/02 Pct Recovery = 109% Analysis Date = 01/24/02 Pct Recovery = 109% Analysis Date = 01/24/02 Pct Recovery = 109% Analysis Date = 01/18/02 Pct Recovery = 109% Analysis Date = 01/18/02 Pct Recovery = 109% Analysis Date = 01/13/02 Pct Recovery = 109% Analysis Date = 01/13/02 Pct Recovery = 109% Analysis Date = 01/07/02 Pct Recovery = 109% Analysis Date = 01/07/02 Pct Recovery = 109% Analysis Date = 01/01/02 Pct Recovery = 109% Analysis Date = 01/01/02 Pct Recovery = 109% Analysis Date = 12/26/01 Pct Recovery = 109% Analysis Date = 12/26/01 Pct Recovery = 109% Analysis Date = 12/21/01 Pct Recovery = 109% Analysis Date = 12/21/01 Pct Recovery = 109% Analysis Date = 12/15/01 Pct Recovery = 109% Analysis Date = 12/15/01 Pct Recovery = 109% Analysis Date = 12/09/01 Pct Recovery = 109% Analysis Date = 12/09/01 Pct Recovery = 109% Analysis Date = 12/03/01 Pct Recovery = 109% Analysis Date = 12/03/01 Pct Recovery = 109% Analysis Date = 11/28/01 Pct Recovery = 109% Analysis Date = 11/28/01 Pct Recovery = 109% Analysis Date = 11/22/01 Pct Recovery = 110% Analysis Date = 11/22/01 Pct Recovery = 110% Analysis Date = 11/16/01 Pct Recovery = 110% Analysis Date = 11/16/01 Pct Recovery = 110% Analysis Date = 11/11/01 Pct Recovery = 110% Analysis Date = 11/11/01 Pct Recovery = 110% Analysis Date = 11/05/01 Pct Recovery = 110% Analysis Date = 11/05/01 Pct Recovery = 110% Analysis Date = 10/30/01 Pct Recovery = 110% Analysis Date = 10/30/01 Pct Recovery = 110% Analysis Date = 10/24/01 Pct Recovery = 110% Analysis Date = 10/24/01 Pct Recovery = 110% Analysis Date = 10/19/01 Pct Recovery = 110% Analysis Date = 10/19/01 Pct Recovery = 110% Analysis Date = 10/13/01 Pct Recovery = 110% Analysis Date = 10/13/01 Pct Recovery = 110% Analysis Date = 10/07/01 Pct Recovery = 110% Analysis Date = 10/07/01 Pct Recovery = 110% Analysis Date = 10/02/01 Pct Recovery = 110% Analysis Date = 10/02/01 Pct Recovery = 110% Analysis Date = 09/26/01 Pct Recovery = 110% Analysis Date = 09/26/01 Pct Recovery = 110% Analysis Date = 09/20/01 Pct Recovery = 110% Analysis Date = 09/20/01 Pct Recovery = 110% Analysis Date = 09/14/01 Pct Recovery = 110% Analysis Date = 09/14/01 Pct Recovery = 110% Analysis Date = 09/09/01 Pct Recovery = 110% Analysis Date = 09/09/01 Pct Recovery = 110% Analysis Date = 09/03/01 Pct Recovery = 110% Analysis Date = 09/03/01 Pct Recovery = 110% Analysis Date = 08/28/01 Pct Recovery = 110% Analysis Date = 08/28/01 Pct Recovery = 110% Analysis Date = 08/23/01 Pct Recovery = 110% Analysis Date = 08/23/01 Pct Recovery = 110% Analysis Date = 08/17/01 Pct Recovery = 111% Analysis Date = 08/17/01 Pct Recovery = 111% Analysis Date = 08/11/01 Pct Recovery = 111% Analysis Date = 08/11/01 Pct Recovery = 111% Analysis Date = 08/05/01 Pct Recovery = 111% Analysis Date = 08/05/01 Pct Recovery = 111% Analysis Date = 07/31/01 Pct Recovery = 111% Analysis Date = 07/31/01 Pct Recovery = 111% Analysis Date = 07/25/01 Pct Recovery = 111% Analysis Date = 07/25/01 Pct Recovery = 111% Analysis Date = 07/19/01 Pct Recovery = 111% Analysis Date = 07/19/01 Pct Recovery = 111% Analysis Date = 07/14/01 Pct Recovery = 111% Analysis Date = 07/14/01 Pct Recovery = 111% Analysis Date = 07/08/01 Pct Recovery = 111% Analysis Date = 07/08/01 Pct Recovery = 111% Analysis Date = 07/02/01 Pct Recovery = 111% Analysis Date = 07/02/01 Pct Recovery = 111% Analysis Date = 06/26/01 Pct Recovery = 111% Analysis Date = 06/26/01 Pct Recovery = 111% Analysis Date = 06/21/01 Pct Recovery = 111% Analysis Date = 06/21/01 Pct Recovery = 111% Analysis Date = 06/15/01 Pct Recovery = 111% Analysis Date = 06/15/01 Pct Recovery = 111% Analysis Date = 06/09/01 Pct Recovery = 111% Analysis Date = 06/09/01 Pct Recovery = 111% Analysis Date = 06/04/01 Pct Recovery = 111% Analysis Date = 06/04/01 Pct Recovery = 111% Analysis Date = 05/29/01 Pct Recovery = 111% Analysis Date = 05/29/01 Pct Recovery = 111% Analysis Date = 05/23/01 Pct Recovery = 112% Analysis Date = 05/23/01 Pct Recovery = 112% Analysis Date = 05/17/01 Pct Recovery = 112% Analysis Date = 05/17/01 Pct Recovery = 112% Analysis Date = 05/12/01 Pct Recovery = 112% Analysis Date = 05/12/01 Pct Recovery = 112% Analysis Date = 05/06/01 Pct Recovery = 112% Analysis Date = 05/06/01 Pct Recovery = 112% Analysis Date = 04/30/01 Pct Recovery = 112% Analysis Date = 04/30/01 Pct Recovery = 112% Analysis Date = 04/24/01 Pct Recovery = 112% Analysis Date = 04/24/01 Pct Recovery = 112% Analysis Date = 04/19/01 Pct Recovery = 112% Analysis Date = 04/19/01 Pct Recovery = 112% Analysis Date = 04/13/01 Pct Recovery = 112% Analysis Date = 04/13/01 Pct Recovery = 112% Analysis Date = 04/07/01 Pct Recovery = 112% Analysis Date = 04/07/01 Pct Recovery = 112% Analysis Date = 04/02/01 Pct Recovery = 112% Analysis Date = 04/02/01 Pct Recovery = 112% Analysis Date = 03/27/01 Pct Recovery = 112% Analysis Date = 03/27/01 Pct Recovery = 112% Analysis Date = 03/21/01 Pct Recovery = 113% Analysis Date = 03/21/01 Pct Recovery = 113% Analysis Date = 03/15/01 Pct Recovery = 113% Analysis Date = 03/15/01 Pct Recovery = 113% Analysis Date = 03/10/01 Pct Recovery = 113% Analysis Date = 03/10/01 Pct Recovery = 113% Analysis Date = 03/04/01 Pct Recovery = 113% Analysis Date = 03/04/01 Pct Recovery = 113% Analysis Date = 02/26/01 Pct Recovery = 113% Analysis Date = 02/26/01 Pct Recovery = 113% Analysis Date = 02/21/01 Pct Recovery = 113% Analysis Date = 02/21/01 Pct Recovery = 113% Analysis Date = 02/15/01 Pct Recovery = 113% Analysis Date = 02/15/01 Pct Recovery = 113% Analysis Date = 02/09/01 Pct Recovery = 113% Analysis Date = 02/09/01 Pct Recovery = 113% Analysis Date = 02/03/01 Pct Recovery = 112% Analysis Date = 02/03/01 Pct Recovery = 112% Analysis Date = 01/29/01 Pct Recovery = 112% Analysis Date = 01/29/01 Pct Recovery = 112% Analysis Date = 01/23/01 Pct Recovery = 112% Analysis Date = 01/23/01 Pct Recovery = 112% Analysis Date = 01/17/01 Pct Recovery = 111% Analysis Date = 01/17/01 Pct Recovery = 111% Analysis Date = 01/12/01 Pct Recovery = 111% Analysis Date = 01/12/01 Pct Recovery = 111% Analysis Date = 01/06/01 Pct Recovery = 111% Analysis Date = 01/06/01 Pct Recovery = 111% Analysis Date = 12/31/00 Pct Recovery = 110% Analysis Date = 12/31/00 Pct Recovery = 110% Analysis Date = 12/25/00 Pct Recovery = 110% Analysis Date = 12/25/00 Pct Recovery = 110% Analysis Date = 12/20/00 Pct Recovery = 110% Analysis Date = 12/20/00 Pct Recovery = 110% Analysis Date = 12/14/00 Pct Recovery = 109% Analysis Date = 12/14/00 Pct Recovery = 109% Analysis Date = 12/08/00 Pct Recovery = 109% Analysis Date = 12/08/00 Pct Recovery = 109% Analysis Date = 12/03/00 Pct Recovery = 109% Analysis Date = 12/03/00 Pct Recovery = 109% Analysis Date = 11/27/00 Pct Recovery = 108% Analysis Date = 11/27/00 Pct Recovery = 108% Analysis Date = 11/21/00 Pct Recovery = 108% Analysis Date = 11/21/00 Pct Recovery = 108% Analysis Date = 11/15/00 Pct Recovery = 108% Analysis Date = 11/15/00 Pct Recovery = 108% Analysis Date = 11/10/00 Pct Recovery = 107% Analysis Date = 11/10/00 Pct Recovery = 107% Analysis Date = 11/04/00 Pct Recovery = 106% Analysis Date = 11/04/00 Pct Recovery = 106% Analysis Date = 10/29/00 Pct Recovery = 105% Analysis Date = 10/29/00 Pct Recovery = 105% Analysis Date = 10/24/00 Pct Recovery = 104% Analysis Date = 10/24/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/12/00 Pct Recovery = 102% Analysis Date = 10/12/00 Pct Recovery = 102% Analysis Date = 10/06/00 Pct Recovery = 101% Analysis Date = 10/06/00 Pct Recovery = 101% Analysis Date = 10/01/00 Pct Recovery = 100% Analysis Date = 10/01/00 Pct Recovery = 100% Analysis Date = 09/25/00 Pct Recovery = 99% Analysis Date = 09/25/00 Pct Recovery = 99% Analysis Date = 09/19/00 Pct Recovery = 98% Analysis Date = 09/19/00 Pct Recovery = 98% Analysis Date = 09/13/00 Pct Recovery = 97% Analysis Date = 09/13/00 Pct Recovery = 97% Analysis Date = 09/08/00 Pct Recovery = 96% Analysis Date = 09/08/00 Pct Recovery = 96% Analysis Date = 09/02/00 Pct Recovery = 95% Analysis Date = 09/02/00 Pct Recovery = 95% Analysis Date = 08/27/00 Pct Recovery = 94% Analysis Date = 08/27/00 Pct Recovery = 94% Analysis Date = 08/22/00 Pct Recovery = 93% Analysis Date = 08/22/00 Pct Recovery = 93% Analysis Date = 08/16/00 Pct Recovery = 92% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
2-HEXANONE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 8 105% 11% 102% 8%
Total 8 105% 11% 102% 8%

Sample Statistics
2-HEXANONE

Characteristic N % % Basis
Plotted 8 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 8 .  
False Negatives 0 0% 0 out of 8
Not Spiked 28 .  
False Positives 0 0% 0 out of 28

BQS OBSP Determination:
3-CHLOROPROPENE
METHOD: 4054 , TESTIDCODE: 78109GCM66
Open Data Set

Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 112% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 107% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 78% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 107% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 99% Analysis Date = 07/31/01 Pct Recovery = 112% Analysis Date = 07/29/01 Pct Recovery = 112% Analysis Date = 07/29/01 Pct Recovery = 112% Analysis Date = 07/27/01 Pct Recovery = 112% Analysis Date = 07/27/01 Pct Recovery = 112% Analysis Date = 07/25/01 Pct Recovery = 112% Analysis Date = 07/25/01 Pct Recovery = 112% Analysis Date = 07/24/01 Pct Recovery = 111% Analysis Date = 07/24/01 Pct Recovery = 111% Analysis Date = 07/22/01 Pct Recovery = 111% Analysis Date = 07/22/01 Pct Recovery = 111% Analysis Date = 07/20/01 Pct Recovery = 111% Analysis Date = 07/20/01 Pct Recovery = 111% Analysis Date = 07/18/01 Pct Recovery = 111% Analysis Date = 07/18/01 Pct Recovery = 111% Analysis Date = 07/17/01 Pct Recovery = 111% Analysis Date = 07/17/01 Pct Recovery = 111% Analysis Date = 07/15/01 Pct Recovery = 111% Analysis Date = 07/15/01 Pct Recovery = 111% Analysis Date = 07/13/01 Pct Recovery = 111% Analysis Date = 07/13/01 Pct Recovery = 111% Analysis Date = 07/11/01 Pct Recovery = 111% Analysis Date = 07/11/01 Pct Recovery = 111% Analysis Date = 07/10/01 Pct Recovery = 111% Analysis Date = 07/10/01 Pct Recovery = 111% Analysis Date = 07/08/01 Pct Recovery = 111% Analysis Date = 07/08/01 Pct Recovery = 111% Analysis Date = 07/06/01 Pct Recovery = 111% Analysis Date = 07/06/01 Pct Recovery = 111% Analysis Date = 07/04/01 Pct Recovery = 111% Analysis Date = 07/04/01 Pct Recovery = 111% Analysis Date = 07/03/01 Pct Recovery = 111% Analysis Date = 07/03/01 Pct Recovery = 111% Analysis Date = 07/01/01 Pct Recovery = 110% Analysis Date = 07/01/01 Pct Recovery = 110% Analysis Date = 06/29/01 Pct Recovery = 110% Analysis Date = 06/29/01 Pct Recovery = 110% Analysis Date = 06/27/01 Pct Recovery = 110% Analysis Date = 06/27/01 Pct Recovery = 110% Analysis Date = 06/26/01 Pct Recovery = 110% Analysis Date = 06/26/01 Pct Recovery = 110% Analysis Date = 06/24/01 Pct Recovery = 110% Analysis Date = 06/24/01 Pct Recovery = 110% Analysis Date = 06/22/01 Pct Recovery = 110% Analysis Date = 06/22/01 Pct Recovery = 110% Analysis Date = 06/20/01 Pct Recovery = 110% Analysis Date = 06/20/01 Pct Recovery = 110% Analysis Date = 06/19/01 Pct Recovery = 110% Analysis Date = 06/19/01 Pct Recovery = 110% Analysis Date = 06/17/01 Pct Recovery = 110% Analysis Date = 06/17/01 Pct Recovery = 110% Analysis Date = 06/15/01 Pct Recovery = 110% Analysis Date = 06/15/01 Pct Recovery = 110% Analysis Date = 06/13/01 Pct Recovery = 110% Analysis Date = 06/13/01 Pct Recovery = 110% Analysis Date = 06/12/01 Pct Recovery = 110% Analysis Date = 06/12/01 Pct Recovery = 110% Analysis Date = 06/10/01 Pct Recovery = 109% Analysis Date = 06/10/01 Pct Recovery = 109% Analysis Date = 06/08/01 Pct Recovery = 109% Analysis Date = 06/08/01 Pct Recovery = 109% Analysis Date = 06/06/01 Pct Recovery = 109% Analysis Date = 06/06/01 Pct Recovery = 109% Analysis Date = 06/05/01 Pct Recovery = 109% Analysis Date = 06/05/01 Pct Recovery = 109% Analysis Date = 06/03/01 Pct Recovery = 109% Analysis Date = 06/03/01 Pct Recovery = 109% Analysis Date = 06/01/01 Pct Recovery = 109% Analysis Date = 06/01/01 Pct Recovery = 109% Analysis Date = 05/30/01 Pct Recovery = 109% Analysis Date = 05/30/01 Pct Recovery = 109% Analysis Date = 05/29/01 Pct Recovery = 109% Analysis Date = 05/29/01 Pct Recovery = 109% Analysis Date = 05/27/01 Pct Recovery = 109% Analysis Date = 05/27/01 Pct Recovery = 109% Analysis Date = 05/25/01 Pct Recovery = 109% Analysis Date = 05/25/01 Pct Recovery = 109% Analysis Date = 05/24/01 Pct Recovery = 109% Analysis Date = 05/24/01 Pct Recovery = 109% Analysis Date = 05/22/01 Pct Recovery = 109% Analysis Date = 05/22/01 Pct Recovery = 109% Analysis Date = 05/20/01 Pct Recovery = 109% Analysis Date = 05/20/01 Pct Recovery = 109% Analysis Date = 05/18/01 Pct Recovery = 108% Analysis Date = 05/18/01 Pct Recovery = 108% Analysis Date = 05/17/01 Pct Recovery = 108% Analysis Date = 05/17/01 Pct Recovery = 108% Analysis Date = 05/15/01 Pct Recovery = 108% Analysis Date = 05/15/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/11/01 Pct Recovery = 108% Analysis Date = 05/11/01 Pct Recovery = 108% Analysis Date = 05/10/01 Pct Recovery = 108% Analysis Date = 05/10/01 Pct Recovery = 108% Analysis Date = 05/08/01 Pct Recovery = 108% Analysis Date = 05/08/01 Pct Recovery = 108% Analysis Date = 05/06/01 Pct Recovery = 108% Analysis Date = 05/06/01 Pct Recovery = 108% Analysis Date = 05/04/01 Pct Recovery = 108% Analysis Date = 05/04/01 Pct Recovery = 108% Analysis Date = 05/03/01 Pct Recovery = 108% Analysis Date = 05/03/01 Pct Recovery = 108% Analysis Date = 05/01/01 Pct Recovery = 108% Analysis Date = 05/01/01 Pct Recovery = 108% Analysis Date = 04/29/01 Pct Recovery = 108% Analysis Date = 04/29/01 Pct Recovery = 108% Analysis Date = 04/27/01 Pct Recovery = 107% Analysis Date = 04/27/01 Pct Recovery = 107% Analysis Date = 04/26/01 Pct Recovery = 107% Analysis Date = 04/26/01 Pct Recovery = 107% Analysis Date = 04/24/01 Pct Recovery = 107% Analysis Date = 04/24/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/20/01 Pct Recovery = 107% Analysis Date = 04/20/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/17/01 Pct Recovery = 107% Analysis Date = 04/17/01 Pct Recovery = 107% Analysis Date = 04/15/01 Pct Recovery = 107% Analysis Date = 04/15/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/12/01 Pct Recovery = 107% Analysis Date = 04/12/01 Pct Recovery = 107% Analysis Date = 04/10/01 Pct Recovery = 106% Analysis Date = 04/10/01 Pct Recovery = 106% Analysis Date = 04/08/01 Pct Recovery = 105% Analysis Date = 04/08/01 Pct Recovery = 105% Analysis Date = 04/06/01 Pct Recovery = 104% Analysis Date = 04/06/01 Pct Recovery = 104% Analysis Date = 04/05/01 Pct Recovery = 103% Analysis Date = 04/05/01 Pct Recovery = 103% Analysis Date = 04/03/01 Pct Recovery = 102% Analysis Date = 04/03/01 Pct Recovery = 102% Analysis Date = 04/01/01 Pct Recovery = 101% Analysis Date = 04/01/01 Pct Recovery = 101% Analysis Date = 03/30/01 Pct Recovery = 100% Analysis Date = 03/30/01 Pct Recovery = 100% Analysis Date = 03/29/01 Pct Recovery = 99% Analysis Date = 03/29/01 Pct Recovery = 99% Analysis Date = 03/27/01 Pct Recovery = 98% Analysis Date = 03/27/01 Pct Recovery = 98% Analysis Date = 03/25/01 Pct Recovery = 97% Analysis Date = 03/25/01 Pct Recovery = 97% Analysis Date = 03/24/01 Pct Recovery = 96% Analysis Date = 03/24/01 Pct Recovery = 96% Analysis Date = 03/22/01 Pct Recovery = 95% Analysis Date = 03/22/01 Pct Recovery = 95% Analysis Date = 03/20/01 Pct Recovery = 94% Analysis Date = 03/20/01 Pct Recovery = 94% Analysis Date = 03/18/01 Pct Recovery = 92% Analysis Date = 03/18/01 Pct Recovery = 92% Analysis Date = 03/17/01 Pct Recovery = 91% Analysis Date = 03/17/01 Pct Recovery = 91% Analysis Date = 03/15/01 Pct Recovery = 90% Analysis Date = 03/15/01 Pct Recovery = 90% Analysis Date = 03/13/01 Pct Recovery = 89% Analysis Date = 03/13/01 Pct Recovery = 89% Analysis Date = 03/11/01 Pct Recovery = 88% Analysis Date = 03/11/01 Pct Recovery = 88% Analysis Date = 03/10/01 Pct Recovery = 87% Analysis Date = 03/10/01 Pct Recovery = 87% Analysis Date = 03/08/01 Pct Recovery = 86% Analysis Date = 03/08/01 Pct Recovery = 86% Analysis Date = 03/06/01 Pct Recovery = 85% Analysis Date = 03/06/01 Pct Recovery = 85% Analysis Date = 03/04/01 Pct Recovery = 84% Analysis Date = 03/04/01 Pct Recovery = 84% Analysis Date = 03/03/01 Pct Recovery = 83% Analysis Date = 03/03/01 Pct Recovery = 83% Analysis Date = 03/01/01 Pct Recovery = 82% Analysis Date = 03/01/01 Pct Recovery = 82% Analysis Date = 02/27/01 Pct Recovery = 81% Analysis Date = 02/27/01 Pct Recovery = 81% Analysis Date = 02/25/01 Pct Recovery = 80% Analysis Date = 02/25/01 Pct Recovery = 80% Analysis Date = 02/24/01 Pct Recovery = 79% Analysis Date = 02/24/01 Pct Recovery = 79% Analysis Date = 02/22/01 Pct Recovery = 78% Analysis Date = 02/22/01 Pct Recovery = 78% Analysis Date = 02/20/01 Pct Recovery = 78% Analysis Date = 02/20/01 Pct Recovery = 78% Analysis Date = 02/18/01 Pct Recovery = 79% Analysis Date = 02/18/01 Pct Recovery = 79% Analysis Date = 02/17/01 Pct Recovery = 79% Analysis Date = 02/17/01 Pct Recovery = 79% Analysis Date = 02/15/01 Pct Recovery = 80% Analysis Date = 02/15/01 Pct Recovery = 80% Analysis Date = 02/13/01 Pct Recovery = 80% Analysis Date = 02/13/01 Pct Recovery = 80% Analysis Date = 02/11/01 Pct Recovery = 81% Analysis Date = 02/11/01 Pct Recovery = 81% Analysis Date = 02/10/01 Pct Recovery = 81% Analysis Date = 02/10/01 Pct Recovery = 81% Analysis Date = 02/08/01 Pct Recovery = 82% Analysis Date = 02/08/01 Pct Recovery = 82% Analysis Date = 02/06/01 Pct Recovery = 82% Analysis Date = 02/06/01 Pct Recovery = 82% Analysis Date = 02/04/01 Pct Recovery = 83% Analysis Date = 02/04/01 Pct Recovery = 83% Analysis Date = 02/03/01 Pct Recovery = 83% Analysis Date = 02/03/01 Pct Recovery = 83% Analysis Date = 02/01/01 Pct Recovery = 84% Analysis Date = 02/01/01 Pct Recovery = 84% Analysis Date = 01/30/01 Pct Recovery = 84% Analysis Date = 01/30/01 Pct Recovery = 84% Analysis Date = 01/28/01 Pct Recovery = 85% Analysis Date = 01/28/01 Pct Recovery = 85% Analysis Date = 01/27/01 Pct Recovery = 85% Analysis Date = 01/27/01 Pct Recovery = 85% Analysis Date = 01/25/01 Pct Recovery = 86% Analysis Date = 01/25/01 Pct Recovery = 86% Analysis Date = 01/23/01 Pct Recovery = 86% Analysis Date = 01/23/01 Pct Recovery = 86% Analysis Date = 01/22/01 Pct Recovery = 87% Analysis Date = 01/22/01 Pct Recovery = 87% Analysis Date = 01/20/01 Pct Recovery = 87% Analysis Date = 01/20/01 Pct Recovery = 87% Analysis Date = 01/18/01 Pct Recovery = 88% Analysis Date = 01/18/01 Pct Recovery = 88% Analysis Date = 01/16/01 Pct Recovery = 88% Analysis Date = 01/16/01 Pct Recovery = 88% Analysis Date = 01/15/01 Pct Recovery = 89% Analysis Date = 01/15/01 Pct Recovery = 89% Analysis Date = 01/13/01 Pct Recovery = 89% Analysis Date = 01/13/01 Pct Recovery = 89% Analysis Date = 01/11/01 Pct Recovery = 90% Analysis Date = 01/11/01 Pct Recovery = 90% Analysis Date = 01/09/01 Pct Recovery = 90% Analysis Date = 01/09/01 Pct Recovery = 90% Analysis Date = 01/08/01 Pct Recovery = 91% Analysis Date = 01/08/01 Pct Recovery = 91% Analysis Date = 01/06/01 Pct Recovery = 91% Analysis Date = 01/06/01 Pct Recovery = 91% Analysis Date = 01/04/01 Pct Recovery = 92% Analysis Date = 01/04/01 Pct Recovery = 92% Analysis Date = 01/02/01 Pct Recovery = 92% Analysis Date = 01/02/01 Pct Recovery = 92% Analysis Date = 01/01/01 Pct Recovery = 93% Analysis Date = 01/01/01 Pct Recovery = 93% Analysis Date = 12/30/00 Pct Recovery = 93% Analysis Date = 12/30/00 Pct Recovery = 93% Analysis Date = 12/28/00 Pct Recovery = 94% Analysis Date = 12/28/00 Pct Recovery = 94% Analysis Date = 12/26/00 Pct Recovery = 94% Analysis Date = 12/26/00 Pct Recovery = 94% Analysis Date = 12/25/00 Pct Recovery = 95% Analysis Date = 12/25/00 Pct Recovery = 95% Analysis Date = 12/23/00 Pct Recovery = 95% Analysis Date = 12/23/00 Pct Recovery = 95% Analysis Date = 12/21/00 Pct Recovery = 96% Analysis Date = 12/21/00 Pct Recovery = 96% Analysis Date = 12/19/00 Pct Recovery = 97% Analysis Date = 12/19/00 Pct Recovery = 97% Analysis Date = 12/18/00 Pct Recovery = 97% Analysis Date = 12/18/00 Pct Recovery = 97% Analysis Date = 12/16/00 Pct Recovery = 98% Analysis Date = 12/16/00 Pct Recovery = 98% Analysis Date = 12/14/00 Pct Recovery = 98% Analysis Date = 12/14/00 Pct Recovery = 98% Analysis Date = 12/12/00 Pct Recovery = 99% Analysis Date = 12/12/00 Pct Recovery = 99% Analysis Date = 12/11/00 Pct Recovery = 99% Analysis Date = 12/11/00 Pct Recovery = 99% Analysis Date = 12/09/00 Pct Recovery = 100% Analysis Date = 12/09/00 Pct Recovery = 100% Analysis Date = 12/07/00 Pct Recovery = 100% Analysis Date = 12/07/00 Pct Recovery = 100% Analysis Date = 12/05/00 Pct Recovery = 101% Analysis Date = 12/05/00 Pct Recovery = 101% Analysis Date = 12/04/00 Pct Recovery = 101% Analysis Date = 12/04/00 Pct Recovery = 101% Analysis Date = 12/02/00 Pct Recovery = 102% Analysis Date = 12/02/00 Pct Recovery = 102% Analysis Date = 11/30/00 Pct Recovery = 102% Analysis Date = 11/30/00 Pct Recovery = 102% Analysis Date = 11/28/00 Pct Recovery = 103% Analysis Date = 11/28/00 Pct Recovery = 103% Analysis Date = 11/27/00 Pct Recovery = 103% Analysis Date = 11/27/00 Pct Recovery = 103% Analysis Date = 11/25/00 Pct Recovery = 104% Analysis Date = 11/25/00 Pct Recovery = 104% Analysis Date = 11/23/00 Pct Recovery = 104% Analysis Date = 11/23/00 Pct Recovery = 104% Analysis Date = 11/22/00 Pct Recovery = 105% Analysis Date = 11/22/00 Pct Recovery = 105% Analysis Date = 11/20/00 Pct Recovery = 105% Analysis Date = 11/20/00 Pct Recovery = 105% Analysis Date = 11/18/00 Pct Recovery = 106% Analysis Date = 11/18/00 Pct Recovery = 106% Analysis Date = 11/16/00 Pct Recovery = 106% Analysis Date = 11/16/00 Pct Recovery = 106% Analysis Date = 11/15/00 Pct Recovery = 107% Analysis Date = 11/15/00 Pct Recovery = 107% Analysis Date = 11/13/00 Pct Recovery = 106% Analysis Date = 11/13/00 Pct Recovery = 106% Analysis Date = 11/11/00 Pct Recovery = 106% Analysis Date = 11/11/00 Pct Recovery = 106% Analysis Date = 11/09/00 Pct Recovery = 106% Analysis Date = 11/09/00 Pct Recovery = 106% Analysis Date = 11/08/00 Pct Recovery = 106% Analysis Date = 11/08/00 Pct Recovery = 106% Analysis Date = 11/06/00 Pct Recovery = 106% Analysis Date = 11/06/00 Pct Recovery = 106% Analysis Date = 11/04/00 Pct Recovery = 106% Analysis Date = 11/04/00 Pct Recovery = 106% Analysis Date = 11/02/00 Pct Recovery = 106% Analysis Date = 11/02/00 Pct Recovery = 106% Analysis Date = 11/01/00 Pct Recovery = 105% Analysis Date = 11/01/00 Pct Recovery = 105% Analysis Date = 10/30/00 Pct Recovery = 105% Analysis Date = 10/30/00 Pct Recovery = 105% Analysis Date = 10/28/00 Pct Recovery = 105% Analysis Date = 10/28/00 Pct Recovery = 105% Analysis Date = 10/26/00 Pct Recovery = 105% Analysis Date = 10/26/00 Pct Recovery = 105% Analysis Date = 10/25/00 Pct Recovery = 105% Analysis Date = 10/25/00 Pct Recovery = 105% Analysis Date = 10/23/00 Pct Recovery = 105% Analysis Date = 10/23/00 Pct Recovery = 105% Analysis Date = 10/21/00 Pct Recovery = 105% Analysis Date = 10/21/00 Pct Recovery = 105% Analysis Date = 10/19/00 Pct Recovery = 104% Analysis Date = 10/19/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 104% Analysis Date = 10/16/00 Pct Recovery = 104% Analysis Date = 10/16/00 Pct Recovery = 104% Analysis Date = 10/14/00 Pct Recovery = 104% Analysis Date = 10/14/00 Pct Recovery = 104% Analysis Date = 10/12/00 Pct Recovery = 104% Analysis Date = 10/12/00 Pct Recovery = 104% Analysis Date = 10/11/00 Pct Recovery = 104% Analysis Date = 10/11/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/07/00 Pct Recovery = 103% Analysis Date = 10/07/00 Pct Recovery = 103% Analysis Date = 10/05/00 Pct Recovery = 103% Analysis Date = 10/05/00 Pct Recovery = 103% Analysis Date = 10/04/00 Pct Recovery = 103% Analysis Date = 10/04/00 Pct Recovery = 103% Analysis Date = 10/02/00 Pct Recovery = 103% Analysis Date = 10/02/00 Pct Recovery = 103% Analysis Date = 09/30/00 Pct Recovery = 103% Analysis Date = 09/30/00 Pct Recovery = 103% Analysis Date = 09/28/00 Pct Recovery = 103% Analysis Date = 09/28/00 Pct Recovery = 103% Analysis Date = 09/27/00 Pct Recovery = 103% Analysis Date = 09/27/00 Pct Recovery = 103% Analysis Date = 09/25/00 Pct Recovery = 102% Analysis Date = 09/25/00 Pct Recovery = 102% Analysis Date = 09/23/00 Pct Recovery = 102% Analysis Date = 09/23/00 Pct Recovery = 102% Analysis Date = 09/22/00 Pct Recovery = 102% Analysis Date = 09/22/00 Pct Recovery = 102% Analysis Date = 09/20/00 Pct Recovery = 102% Analysis Date = 09/20/00 Pct Recovery = 102% Analysis Date = 09/18/00 Pct Recovery = 102% Analysis Date = 09/18/00 Pct Recovery = 102% Analysis Date = 09/16/00 Pct Recovery = 102% Analysis Date = 09/16/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 101% Analysis Date = 09/13/00 Pct Recovery = 101% Analysis Date = 09/11/00 Pct Recovery = 101% Analysis Date = 09/11/00 Pct Recovery = 101% Analysis Date = 09/09/00 Pct Recovery = 101% Analysis Date = 09/09/00 Pct Recovery = 101% Analysis Date = 09/08/00 Pct Recovery = 101% Analysis Date = 09/08/00 Pct Recovery = 101% Analysis Date = 09/06/00 Pct Recovery = 101% Analysis Date = 09/06/00 Pct Recovery = 101% Analysis Date = 09/04/00 Pct Recovery = 101% Analysis Date = 09/04/00 Pct Recovery = 101% Analysis Date = 09/02/00 Pct Recovery = 101% Analysis Date = 09/02/00 Pct Recovery = 101% Analysis Date = 09/01/00 Pct Recovery = 100% Analysis Date = 09/01/00 Pct Recovery = 100% Analysis Date = 08/30/00 Pct Recovery = 100% Analysis Date = 08/30/00 Pct Recovery = 100% Analysis Date = 08/28/00 Pct Recovery = 100% Analysis Date = 08/28/00 Pct Recovery = 100% Analysis Date = 08/26/00 Pct Recovery = 100% Analysis Date = 08/26/00 Pct Recovery = 100% Analysis Date = 08/25/00 Pct Recovery = 100% Analysis Date = 08/25/00 Pct Recovery = 100% Analysis Date = 08/23/00 Pct Recovery = 100% Analysis Date = 08/23/00 Pct Recovery = 100% Analysis Date = 08/21/00 Pct Recovery = 100% Analysis Date = 08/21/00 Pct Recovery = 100% Analysis Date = 08/19/00 Pct Recovery = 99% Analysis Date = 08/19/00 Pct Recovery = 99% Analysis Date = 08/18/00 Pct Recovery = 99% Analysis Date = 08/18/00 Pct Recovery = 99% Analysis Date = 08/16/00 Pct Recovery = 99% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
3-CHLOROPROPENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 100% 14% 107% 6%
Total 5 100% 14% 107% 6%

Sample Statistics
3-CHLOROPROPENE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 5 100% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
4-CHLOROTOLUENE
METHOD: 4054 , TESTIDCODE: 77277GCM66
Open Data Set

Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 105% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 115% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 90% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 108% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 94% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 93% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 92% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 96% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 100% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 95% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 114% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 91% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 103% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 106% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 101% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 103% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 97% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 100% Analysis Date = 08/24/01 Pct Recovery = 107% Analysis Date = 08/22/01 Pct Recovery = 107% Analysis Date = 08/22/01 Pct Recovery = 107% Analysis Date = 08/19/01 Pct Recovery = 107% Analysis Date = 08/19/01 Pct Recovery = 107% Analysis Date = 08/16/01 Pct Recovery = 107% Analysis Date = 08/16/01 Pct Recovery = 107% Analysis Date = 08/13/01 Pct Recovery = 107% Analysis Date = 08/13/01 Pct Recovery = 107% Analysis Date = 08/10/01 Pct Recovery = 107% Analysis Date = 08/10/01 Pct Recovery = 107% Analysis Date = 08/07/01 Pct Recovery = 106% Analysis Date = 08/07/01 Pct Recovery = 106% Analysis Date = 08/04/01 Pct Recovery = 106% Analysis Date = 08/04/01 Pct Recovery = 106% Analysis Date = 08/01/01 Pct Recovery = 106% Analysis Date = 08/01/01 Pct Recovery = 106% Analysis Date = 07/29/01 Pct Recovery = 106% Analysis Date = 07/29/01 Pct Recovery = 106% Analysis Date = 07/26/01 Pct Recovery = 106% Analysis Date = 07/26/01 Pct Recovery = 106% Analysis Date = 07/23/01 Pct Recovery = 106% Analysis Date = 07/23/01 Pct Recovery = 106% Analysis Date = 07/20/01 Pct Recovery = 106% Analysis Date = 07/20/01 Pct Recovery = 106% Analysis Date = 07/17/01 Pct Recovery = 106% Analysis Date = 07/17/01 Pct Recovery = 106% Analysis Date = 07/14/01 Pct Recovery = 106% Analysis Date = 07/14/01 Pct Recovery = 106% Analysis Date = 07/11/01 Pct Recovery = 106% Analysis Date = 07/11/01 Pct Recovery = 106% Analysis Date = 07/08/01 Pct Recovery = 106% Analysis Date = 07/08/01 Pct Recovery = 106% Analysis Date = 07/05/01 Pct Recovery = 106% Analysis Date = 07/05/01 Pct Recovery = 106% Analysis Date = 07/02/01 Pct Recovery = 106% Analysis Date = 07/02/01 Pct Recovery = 106% Analysis Date = 06/29/01 Pct Recovery = 106% Analysis Date = 06/29/01 Pct Recovery = 106% Analysis Date = 06/26/01 Pct Recovery = 106% Analysis Date = 06/26/01 Pct Recovery = 106% Analysis Date = 06/23/01 Pct Recovery = 106% Analysis Date = 06/23/01 Pct Recovery = 106% Analysis Date = 06/20/01 Pct Recovery = 105% Analysis Date = 06/20/01 Pct Recovery = 105% Analysis Date = 06/17/01 Pct Recovery = 105% Analysis Date = 06/17/01 Pct Recovery = 105% Analysis Date = 06/15/01 Pct Recovery = 105% Analysis Date = 06/15/01 Pct Recovery = 105% Analysis Date = 06/12/01 Pct Recovery = 105% Analysis Date = 06/12/01 Pct Recovery = 105% Analysis Date = 06/09/01 Pct Recovery = 105% Analysis Date = 06/09/01 Pct Recovery = 105% Analysis Date = 06/06/01 Pct Recovery = 105% Analysis Date = 06/06/01 Pct Recovery = 105% Analysis Date = 06/03/01 Pct Recovery = 105% Analysis Date = 06/03/01 Pct Recovery = 105% Analysis Date = 05/31/01 Pct Recovery = 105% Analysis Date = 05/31/01 Pct Recovery = 105% Analysis Date = 05/28/01 Pct Recovery = 105% Analysis Date = 05/28/01 Pct Recovery = 105% Analysis Date = 05/25/01 Pct Recovery = 105% Analysis Date = 05/25/01 Pct Recovery = 105% Analysis Date = 05/22/01 Pct Recovery = 105% Analysis Date = 05/22/01 Pct Recovery = 105% Analysis Date = 05/19/01 Pct Recovery = 105% Analysis Date = 05/19/01 Pct Recovery = 105% Analysis Date = 05/16/01 Pct Recovery = 105% Analysis Date = 05/16/01 Pct Recovery = 105% Analysis Date = 05/13/01 Pct Recovery = 105% Analysis Date = 05/13/01 Pct Recovery = 105% Analysis Date = 05/10/01 Pct Recovery = 105% Analysis Date = 05/10/01 Pct Recovery = 105% Analysis Date = 05/07/01 Pct Recovery = 104% Analysis Date = 05/07/01 Pct Recovery = 104% Analysis Date = 05/04/01 Pct Recovery = 104% Analysis Date = 05/04/01 Pct Recovery = 104% Analysis Date = 05/01/01 Pct Recovery = 104% Analysis Date = 05/01/01 Pct Recovery = 104% Analysis Date = 04/28/01 Pct Recovery = 104% Analysis Date = 04/28/01 Pct Recovery = 104% Analysis Date = 04/25/01 Pct Recovery = 104% Analysis Date = 04/25/01 Pct Recovery = 104% Analysis Date = 04/22/01 Pct Recovery = 104% Analysis Date = 04/22/01 Pct Recovery = 104% Analysis Date = 04/19/01 Pct Recovery = 104% Analysis Date = 04/19/01 Pct Recovery = 104% Analysis Date = 04/16/01 Pct Recovery = 104% Analysis Date = 04/16/01 Pct Recovery = 104% Analysis Date = 04/13/01 Pct Recovery = 104% Analysis Date = 04/13/01 Pct Recovery = 104% Analysis Date = 04/10/01 Pct Recovery = 104% Analysis Date = 04/10/01 Pct Recovery = 104% Analysis Date = 04/08/01 Pct Recovery = 104% Analysis Date = 04/08/01 Pct Recovery = 104% Analysis Date = 04/05/01 Pct Recovery = 104% Analysis Date = 04/05/01 Pct Recovery = 104% Analysis Date = 04/02/01 Pct Recovery = 104% Analysis Date = 04/02/01 Pct Recovery = 104% Analysis Date = 03/30/01 Pct Recovery = 104% Analysis Date = 03/30/01 Pct Recovery = 104% Analysis Date = 03/27/01 Pct Recovery = 104% Analysis Date = 03/27/01 Pct Recovery = 104% Analysis Date = 03/24/01 Pct Recovery = 103% Analysis Date = 03/24/01 Pct Recovery = 103% Analysis Date = 03/21/01 Pct Recovery = 103% Analysis Date = 03/21/01 Pct Recovery = 103% Analysis Date = 03/18/01 Pct Recovery = 103% Analysis Date = 03/18/01 Pct Recovery = 103% Analysis Date = 03/15/01 Pct Recovery = 103% Analysis Date = 03/15/01 Pct Recovery = 103% Analysis Date = 03/12/01 Pct Recovery = 103% Analysis Date = 03/12/01 Pct Recovery = 103% Analysis Date = 03/09/01 Pct Recovery = 103% Analysis Date = 03/09/01 Pct Recovery = 103% Analysis Date = 03/06/01 Pct Recovery = 103% Analysis Date = 03/06/01 Pct Recovery = 103% Analysis Date = 03/03/01 Pct Recovery = 103% Analysis Date = 03/03/01 Pct Recovery = 103% Analysis Date = 02/28/01 Pct Recovery = 103% Analysis Date = 02/28/01 Pct Recovery = 103% Analysis Date = 02/25/01 Pct Recovery = 103% Analysis Date = 02/25/01 Pct Recovery = 103% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/19/01 Pct Recovery = 103% Analysis Date = 02/19/01 Pct Recovery = 103% Analysis Date = 02/16/01 Pct Recovery = 103% Analysis Date = 02/16/01 Pct Recovery = 103% Analysis Date = 02/13/01 Pct Recovery = 103% Analysis Date = 02/13/01 Pct Recovery = 103% Analysis Date = 02/10/01 Pct Recovery = 103% Analysis Date = 02/10/01 Pct Recovery = 103% Analysis Date = 02/07/01 Pct Recovery = 103% Analysis Date = 02/07/01 Pct Recovery = 103% Analysis Date = 02/04/01 Pct Recovery = 103% Analysis Date = 02/04/01 Pct Recovery = 103% Analysis Date = 02/01/01 Pct Recovery = 103% Analysis Date = 02/01/01 Pct Recovery = 103% Analysis Date = 01/30/01 Pct Recovery = 103% Analysis Date = 01/30/01 Pct Recovery = 103% Analysis Date = 01/27/01 Pct Recovery = 103% Analysis Date = 01/27/01 Pct Recovery = 103% Analysis Date = 01/24/01 Pct Recovery = 103% Analysis Date = 01/24/01 Pct Recovery = 103% Analysis Date = 01/21/01 Pct Recovery = 103% Analysis Date = 01/21/01 Pct Recovery = 103% Analysis Date = 01/18/01 Pct Recovery = 103% Analysis Date = 01/18/01 Pct Recovery = 103% Analysis Date = 01/15/01 Pct Recovery = 103% Analysis Date = 01/15/01 Pct Recovery = 103% Analysis Date = 01/12/01 Pct Recovery = 103% Analysis Date = 01/12/01 Pct Recovery = 103% Analysis Date = 01/09/01 Pct Recovery = 103% Analysis Date = 01/09/01 Pct Recovery = 103% Analysis Date = 01/06/01 Pct Recovery = 102% Analysis Date = 01/06/01 Pct Recovery = 102% Analysis Date = 01/03/01 Pct Recovery = 102% Analysis Date = 01/03/01 Pct Recovery = 102% Analysis Date = 12/31/00 Pct Recovery = 102% Analysis Date = 12/31/00 Pct Recovery = 102% Analysis Date = 12/28/00 Pct Recovery = 102% Analysis Date = 12/28/00 Pct Recovery = 102% Analysis Date = 12/25/00 Pct Recovery = 102% Analysis Date = 12/25/00 Pct Recovery = 102% Analysis Date = 12/22/00 Pct Recovery = 102% Analysis Date = 12/22/00 Pct Recovery = 102% Analysis Date = 12/19/00 Pct Recovery = 102% Analysis Date = 12/19/00 Pct Recovery = 102% Analysis Date = 12/16/00 Pct Recovery = 102% Analysis Date = 12/16/00 Pct Recovery = 102% Analysis Date = 12/13/00 Pct Recovery = 102% Analysis Date = 12/13/00 Pct Recovery = 102% Analysis Date = 12/10/00 Pct Recovery = 102% Analysis Date = 12/10/00 Pct Recovery = 102% Analysis Date = 12/07/00 Pct Recovery = 102% Analysis Date = 12/07/00 Pct Recovery = 102% Analysis Date = 12/04/00 Pct Recovery = 102% Analysis Date = 12/04/00 Pct Recovery = 102% Analysis Date = 12/01/00 Pct Recovery = 102% Analysis Date = 12/01/00 Pct Recovery = 102% Analysis Date = 11/28/00 Pct Recovery = 102% Analysis Date = 11/28/00 Pct Recovery = 102% Analysis Date = 11/25/00 Pct Recovery = 102% Analysis Date = 11/25/00 Pct Recovery = 102% Analysis Date = 11/23/00 Pct Recovery = 102% Analysis Date = 11/23/00 Pct Recovery = 102% Analysis Date = 11/20/00 Pct Recovery = 102% Analysis Date = 11/20/00 Pct Recovery = 102% Analysis Date = 11/17/00 Pct Recovery = 102% Analysis Date = 11/17/00 Pct Recovery = 102% Analysis Date = 11/14/00 Pct Recovery = 102% Analysis Date = 11/14/00 Pct Recovery = 102% Analysis Date = 11/11/00 Pct Recovery = 102% Analysis Date = 11/11/00 Pct Recovery = 102% Analysis Date = 11/08/00 Pct Recovery = 102% Analysis Date = 11/08/00 Pct Recovery = 102% Analysis Date = 11/05/00 Pct Recovery = 102% Analysis Date = 11/05/00 Pct Recovery = 102% Analysis Date = 11/02/00 Pct Recovery = 102% Analysis Date = 11/02/00 Pct Recovery = 102% Analysis Date = 10/30/00 Pct Recovery = 102% Analysis Date = 10/30/00 Pct Recovery = 102% Analysis Date = 10/27/00 Pct Recovery = 102% Analysis Date = 10/27/00 Pct Recovery = 102% Analysis Date = 10/24/00 Pct Recovery = 102% Analysis Date = 10/24/00 Pct Recovery = 102% Analysis Date = 10/21/00 Pct Recovery = 102% Analysis Date = 10/21/00 Pct Recovery = 102% Analysis Date = 10/18/00 Pct Recovery = 102% Analysis Date = 10/18/00 Pct Recovery = 102% Analysis Date = 10/15/00 Pct Recovery = 102% Analysis Date = 10/15/00 Pct Recovery = 102% Analysis Date = 10/12/00 Pct Recovery = 101% Analysis Date = 10/12/00 Pct Recovery = 101% Analysis Date = 10/09/00 Pct Recovery = 101% Analysis Date = 10/09/00 Pct Recovery = 101% Analysis Date = 10/06/00 Pct Recovery = 101% Analysis Date = 10/06/00 Pct Recovery = 101% Analysis Date = 10/03/00 Pct Recovery = 101% Analysis Date = 10/03/00 Pct Recovery = 101% Analysis Date = 09/30/00 Pct Recovery = 101% Analysis Date = 09/30/00 Pct Recovery = 101% Analysis Date = 09/27/00 Pct Recovery = 101% Analysis Date = 09/27/00 Pct Recovery = 101% Analysis Date = 09/24/00 Pct Recovery = 101% Analysis Date = 09/24/00 Pct Recovery = 101% Analysis Date = 09/21/00 Pct Recovery = 101% Analysis Date = 09/21/00 Pct Recovery = 101% Analysis Date = 09/18/00 Pct Recovery = 101% Analysis Date = 09/18/00 Pct Recovery = 101% Analysis Date = 09/15/00 Pct Recovery = 101% Analysis Date = 09/15/00 Pct Recovery = 101% Analysis Date = 09/13/00 Pct Recovery = 101% Analysis Date = 09/13/00 Pct Recovery = 101% Analysis Date = 09/10/00 Pct Recovery = 101% Analysis Date = 09/10/00 Pct Recovery = 101% Analysis Date = 09/07/00 Pct Recovery = 101% Analysis Date = 09/07/00 Pct Recovery = 101% Analysis Date = 09/04/00 Pct Recovery = 101% Analysis Date = 09/04/00 Pct Recovery = 101% Analysis Date = 09/01/00 Pct Recovery = 101% Analysis Date = 09/01/00 Pct Recovery = 101% Analysis Date = 08/29/00 Pct Recovery = 101% Analysis Date = 08/29/00 Pct Recovery = 101% Analysis Date = 08/26/00 Pct Recovery = 101% Analysis Date = 08/26/00 Pct Recovery = 101% Analysis Date = 08/23/00 Pct Recovery = 101% Analysis Date = 08/23/00 Pct Recovery = 101% Analysis Date = 08/20/00 Pct Recovery = 101% Analysis Date = 08/20/00 Pct Recovery = 101% Analysis Date = 08/17/00 Pct Recovery = 101% Analysis Date = 08/17/00 Pct Recovery = 101% Analysis Date = 08/14/00 Pct Recovery = 101% Analysis Date = 08/14/00 Pct Recovery = 101% Analysis Date = 08/11/00 Pct Recovery = 101% Analysis Date = 08/11/00 Pct Recovery = 101% Analysis Date = 08/08/00 Pct Recovery = 101% Analysis Date = 08/08/00 Pct Recovery = 101% Analysis Date = 08/05/00 Pct Recovery = 101% Analysis Date = 08/05/00 Pct Recovery = 101% Analysis Date = 08/02/00 Pct Recovery = 101% Analysis Date = 08/02/00 Pct Recovery = 101% Analysis Date = 07/30/00 Pct Recovery = 101% Analysis Date = 07/30/00 Pct Recovery = 101% Analysis Date = 07/27/00 Pct Recovery = 101% Analysis Date = 07/27/00 Pct Recovery = 101% Analysis Date = 07/24/00 Pct Recovery = 101% Analysis Date = 07/24/00 Pct Recovery = 101% Analysis Date = 07/21/00 Pct Recovery = 101% Analysis Date = 07/21/00 Pct Recovery = 101% Analysis Date = 07/18/00 Pct Recovery = 101% Analysis Date = 07/18/00 Pct Recovery = 101% Analysis Date = 07/15/00 Pct Recovery = 101% Analysis Date = 07/15/00 Pct Recovery = 101% Analysis Date = 07/12/00 Pct Recovery = 101% Analysis Date = 07/12/00 Pct Recovery = 101% Analysis Date = 07/09/00 Pct Recovery = 101% Analysis Date = 07/09/00 Pct Recovery = 101% Analysis Date = 07/07/00 Pct Recovery = 101% Analysis Date = 07/07/00 Pct Recovery = 101% Analysis Date = 07/04/00 Pct Recovery = 101% Analysis Date = 07/04/00 Pct Recovery = 101% Analysis Date = 07/01/00 Pct Recovery = 101% Analysis Date = 07/01/00 Pct Recovery = 101% Analysis Date = 06/28/00 Pct Recovery = 101% Analysis Date = 06/28/00 Pct Recovery = 101% Analysis Date = 06/25/00 Pct Recovery = 101% Analysis Date = 06/25/00 Pct Recovery = 101% Analysis Date = 06/22/00 Pct Recovery = 101% Analysis Date = 06/22/00 Pct Recovery = 101% Analysis Date = 06/19/00 Pct Recovery = 101% Analysis Date = 06/19/00 Pct Recovery = 101% Analysis Date = 06/16/00 Pct Recovery = 101% Analysis Date = 06/16/00 Pct Recovery = 101% Analysis Date = 06/13/00 Pct Recovery = 101% Analysis Date = 06/13/00 Pct Recovery = 101% Analysis Date = 06/10/00 Pct Recovery = 101% Analysis Date = 06/10/00 Pct Recovery = 101% Analysis Date = 06/07/00 Pct Recovery = 101% Analysis Date = 06/07/00 Pct Recovery = 101% Analysis Date = 06/04/00 Pct Recovery = 101% Analysis Date = 06/04/00 Pct Recovery = 101% Analysis Date = 06/01/00 Pct Recovery = 101% Analysis Date = 06/01/00 Pct Recovery = 101% Analysis Date = 05/29/00 Pct Recovery = 101% Analysis Date = 05/29/00 Pct Recovery = 101% Analysis Date = 05/26/00 Pct Recovery = 101% Analysis Date = 05/26/00 Pct Recovery = 101% Analysis Date = 05/23/00 Pct Recovery = 101% Analysis Date = 05/23/00 Pct Recovery = 101% Analysis Date = 05/20/00 Pct Recovery = 101% Analysis Date = 05/20/00 Pct Recovery = 101% Analysis Date = 05/17/00 Pct Recovery = 101% Analysis Date = 05/17/00 Pct Recovery = 101% Analysis Date = 05/14/00 Pct Recovery = 101% Analysis Date = 05/14/00 Pct Recovery = 101% Analysis Date = 05/11/00 Pct Recovery = 100% Analysis Date = 05/11/00 Pct Recovery = 100% Analysis Date = 05/08/00 Pct Recovery = 100% Analysis Date = 05/08/00 Pct Recovery = 100% Analysis Date = 05/05/00 Pct Recovery = 100% Analysis Date = 05/05/00 Pct Recovery = 100% Analysis Date = 05/02/00 Pct Recovery = 99% Analysis Date = 05/02/00 Pct Recovery = 99% Analysis Date = 04/30/00 Pct Recovery = 99% Analysis Date = 04/30/00 Pct Recovery = 99% Analysis Date = 04/27/00 Pct Recovery = 99% Analysis Date = 04/27/00 Pct Recovery = 99% Analysis Date = 04/24/00 Pct Recovery = 99% Analysis Date = 04/24/00 Pct Recovery = 99% Analysis Date = 04/21/00 Pct Recovery = 98% Analysis Date = 04/21/00 Pct Recovery = 98% Analysis Date = 04/18/00 Pct Recovery = 98% Analysis Date = 04/18/00 Pct Recovery = 98% Analysis Date = 04/15/00 Pct Recovery = 98% Analysis Date = 04/15/00 Pct Recovery = 98% Analysis Date = 04/12/00 Pct Recovery = 98% Analysis Date = 04/12/00 Pct Recovery = 98% Analysis Date = 04/09/00 Pct Recovery = 97% Analysis Date = 04/09/00 Pct Recovery = 97% Analysis Date = 04/06/00 Pct Recovery = 97% Analysis Date = 04/06/00 Pct Recovery = 97% Analysis Date = 04/03/00 Pct Recovery = 97% Analysis Date = 04/03/00 Pct Recovery = 97% Analysis Date = 03/31/00 Pct Recovery = 97% Analysis Date = 03/31/00 Pct Recovery = 97% Analysis Date = 03/28/00 Pct Recovery = 97% Analysis Date = 03/28/00 Pct Recovery = 97% Analysis Date = 03/25/00 Pct Recovery = 97% Analysis Date = 03/25/00 Pct Recovery = 97% Analysis Date = 03/22/00 Pct Recovery = 97% Analysis Date = 03/22/00 Pct Recovery = 97% Analysis Date = 03/19/00 Pct Recovery = 97% Analysis Date = 03/19/00 Pct Recovery = 97% Analysis Date = 03/16/00 Pct Recovery = 97% Analysis Date = 03/16/00 Pct Recovery = 97% Analysis Date = 03/13/00 Pct Recovery = 97% Analysis Date = 03/13/00 Pct Recovery = 97% Analysis Date = 03/10/00 Pct Recovery = 97% Analysis Date = 03/10/00 Pct Recovery = 97% Analysis Date = 03/07/00 Pct Recovery = 97% Analysis Date = 03/07/00 Pct Recovery = 97% Analysis Date = 03/04/00 Pct Recovery = 97% Analysis Date = 03/04/00 Pct Recovery = 97% Analysis Date = 03/01/00 Pct Recovery = 97% Analysis Date = 03/01/00 Pct Recovery = 97% Analysis Date = 02/27/00 Pct Recovery = 97% Analysis Date = 02/27/00 Pct Recovery = 97% Analysis Date = 02/24/00 Pct Recovery = 97% Analysis Date = 02/24/00 Pct Recovery = 97% Analysis Date = 02/22/00 Pct Recovery = 97% Analysis Date = 02/22/00 Pct Recovery = 97% Analysis Date = 02/19/00 Pct Recovery = 97% Analysis Date = 02/19/00 Pct Recovery = 97% Analysis Date = 02/16/00 Pct Recovery = 98% Analysis Date = 02/16/00 Pct Recovery = 98% Analysis Date = 02/13/00 Pct Recovery = 98% Analysis Date = 02/13/00 Pct Recovery = 98% Analysis Date = 02/10/00 Pct Recovery = 98% Analysis Date = 02/10/00 Pct Recovery = 98% Analysis Date = 02/07/00 Pct Recovery = 99% Analysis Date = 02/07/00 Pct Recovery = 99% Analysis Date = 02/04/00 Pct Recovery = 99% Analysis Date = 02/04/00 Pct Recovery = 99% Analysis Date = 02/01/00 Pct Recovery = 99% Analysis Date = 02/01/00 Pct Recovery = 99% Analysis Date = 01/29/00 Pct Recovery = 100% Analysis Date = 01/29/00 Pct Recovery = 100% Analysis Date = 01/26/00 Pct Recovery = 100% Analysis Date = 01/26/00 Pct Recovery = 100% Analysis Date = 01/23/00 Pct Recovery = 100% Analysis Date = 01/23/00 Pct Recovery = 100% Analysis Date = 01/20/00 Pct Recovery = 101% Analysis Date = 01/20/00 Pct Recovery = 101% Analysis Date = 01/17/00 Pct Recovery = 101% Analysis Date = 01/17/00 Pct Recovery = 101% Analysis Date = 01/14/00 Pct Recovery = 101% Analysis Date = 01/14/00 Pct Recovery = 101% Analysis Date = 01/11/00 Pct Recovery = 102% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
4-CHLOROTOLUENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 18 100% 8% 100% 8%
Total 18 100% 8% 100% 8%

Sample Statistics
4-CHLOROTOLUENE

Characteristic N % % Basis
Plotted 18 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 18 .  
False Negatives 0 0% 0 out of 18
Not Spiked 18 .  
False Positives 0 0% 0 out of 18

BQS OBSP Determination:
4-ISOPROPYL-1-METHYLBENZENE (CYMENE)
METHOD: 4054 , TESTIDCODE: 77356GCM66
Open Data Set

Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 115% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 116% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 95% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 89% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 121% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 88% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 105% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 107% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 115% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 98% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 93% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 101% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 104% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 102% Analysis Date = 07/08/03 Pct Recovery = 110% Analysis Date = 07/02/03 Pct Recovery = 110% Analysis Date = 07/02/03 Pct Recovery = 110% Analysis Date = 06/26/03 Pct Recovery = 110% Analysis Date = 06/26/03 Pct Recovery = 110% Analysis Date = 06/20/03 Pct Recovery = 109% Analysis Date = 06/20/03 Pct Recovery = 109% Analysis Date = 06/14/03 Pct Recovery = 109% Analysis Date = 06/14/03 Pct Recovery = 109% Analysis Date = 06/08/03 Pct Recovery = 109% Analysis Date = 06/08/03 Pct Recovery = 109% Analysis Date = 06/02/03 Pct Recovery = 109% Analysis Date = 06/02/03 Pct Recovery = 109% Analysis Date = 05/26/03 Pct Recovery = 108% Analysis Date = 05/26/03 Pct Recovery = 108% Analysis Date = 05/20/03 Pct Recovery = 108% Analysis Date = 05/20/03 Pct Recovery = 108% Analysis Date = 05/14/03 Pct Recovery = 108% Analysis Date = 05/14/03 Pct Recovery = 108% Analysis Date = 05/08/03 Pct Recovery = 108% Analysis Date = 05/08/03 Pct Recovery = 108% Analysis Date = 05/02/03 Pct Recovery = 107% Analysis Date = 05/02/03 Pct Recovery = 107% Analysis Date = 04/26/03 Pct Recovery = 107% Analysis Date = 04/26/03 Pct Recovery = 107% Analysis Date = 04/19/03 Pct Recovery = 107% Analysis Date = 04/19/03 Pct Recovery = 107% Analysis Date = 04/13/03 Pct Recovery = 107% Analysis Date = 04/13/03 Pct Recovery = 107% Analysis Date = 04/07/03 Pct Recovery = 107% Analysis Date = 04/07/03 Pct Recovery = 107% Analysis Date = 04/01/03 Pct Recovery = 106% Analysis Date = 04/01/03 Pct Recovery = 106% Analysis Date = 03/26/03 Pct Recovery = 106% Analysis Date = 03/26/03 Pct Recovery = 106% Analysis Date = 03/20/03 Pct Recovery = 106% Analysis Date = 03/20/03 Pct Recovery = 106% Analysis Date = 03/14/03 Pct Recovery = 106% Analysis Date = 03/14/03 Pct Recovery = 106% Analysis Date = 03/07/03 Pct Recovery = 106% Analysis Date = 03/07/03 Pct Recovery = 106% Analysis Date = 03/01/03 Pct Recovery = 105% Analysis Date = 03/01/03 Pct Recovery = 105% Analysis Date = 02/23/03 Pct Recovery = 105% Analysis Date = 02/23/03 Pct Recovery = 105% Analysis Date = 02/17/03 Pct Recovery = 105% Analysis Date = 02/17/03 Pct Recovery = 105% Analysis Date = 02/11/03 Pct Recovery = 105% Analysis Date = 02/11/03 Pct Recovery = 105% Analysis Date = 02/05/03 Pct Recovery = 105% Analysis Date = 02/05/03 Pct Recovery = 105% Analysis Date = 01/29/03 Pct Recovery = 105% Analysis Date = 01/29/03 Pct Recovery = 105% Analysis Date = 01/23/03 Pct Recovery = 104% Analysis Date = 01/23/03 Pct Recovery = 104% Analysis Date = 01/17/03 Pct Recovery = 104% Analysis Date = 01/17/03 Pct Recovery = 104% Analysis Date = 01/11/03 Pct Recovery = 104% Analysis Date = 01/11/03 Pct Recovery = 104% Analysis Date = 01/05/03 Pct Recovery = 104% Analysis Date = 01/05/03 Pct Recovery = 104% Analysis Date = 12/30/02 Pct Recovery = 104% Analysis Date = 12/30/02 Pct Recovery = 104% Analysis Date = 12/23/02 Pct Recovery = 103% Analysis Date = 12/23/02 Pct Recovery = 103% Analysis Date = 12/17/02 Pct Recovery = 103% Analysis Date = 12/17/02 Pct Recovery = 103% Analysis Date = 12/11/02 Pct Recovery = 103% Analysis Date = 12/11/02 Pct Recovery = 103% Analysis Date = 12/05/02 Pct Recovery = 103% Analysis Date = 12/05/02 Pct Recovery = 103% Analysis Date = 11/29/02 Pct Recovery = 103% Analysis Date = 11/29/02 Pct Recovery = 103% Analysis Date = 11/23/02 Pct Recovery = 102% Analysis Date = 11/23/02 Pct Recovery = 102% Analysis Date = 11/17/02 Pct Recovery = 102% Analysis Date = 11/17/02 Pct Recovery = 102% Analysis Date = 11/10/02 Pct Recovery = 102% Analysis Date = 11/10/02 Pct Recovery = 102% Analysis Date = 11/04/02 Pct Recovery = 102% Analysis Date = 11/04/02 Pct Recovery = 102% Analysis Date = 10/29/02 Pct Recovery = 102% Analysis Date = 10/29/02 Pct Recovery = 102% Analysis Date = 10/23/02 Pct Recovery = 101% Analysis Date = 10/23/02 Pct Recovery = 101% Analysis Date = 10/17/02 Pct Recovery = 101% Analysis Date = 10/17/02 Pct Recovery = 101% Analysis Date = 10/11/02 Pct Recovery = 101% Analysis Date = 10/11/02 Pct Recovery = 101% Analysis Date = 10/04/02 Pct Recovery = 101% Analysis Date = 10/04/02 Pct Recovery = 101% Analysis Date = 09/28/02 Pct Recovery = 101% Analysis Date = 09/28/02 Pct Recovery = 101% Analysis Date = 09/22/02 Pct Recovery = 100% Analysis Date = 09/22/02 Pct Recovery = 100% Analysis Date = 09/16/02 Pct Recovery = 100% Analysis Date = 09/16/02 Pct Recovery = 100% Analysis Date = 09/10/02 Pct Recovery = 100% Analysis Date = 09/10/02 Pct Recovery = 100% Analysis Date = 09/04/02 Pct Recovery = 100% Analysis Date = 09/04/02 Pct Recovery = 100% Analysis Date = 08/29/02 Pct Recovery = 100% Analysis Date = 08/29/02 Pct Recovery = 100% Analysis Date = 08/22/02 Pct Recovery = 99% Analysis Date = 08/22/02 Pct Recovery = 99% Analysis Date = 08/16/02 Pct Recovery = 99% Analysis Date = 08/16/02 Pct Recovery = 99% Analysis Date = 08/10/02 Pct Recovery = 99% Analysis Date = 08/10/02 Pct Recovery = 99% Analysis Date = 08/04/02 Pct Recovery = 99% Analysis Date = 08/04/02 Pct Recovery = 99% Analysis Date = 07/29/02 Pct Recovery = 99% Analysis Date = 07/29/02 Pct Recovery = 99% Analysis Date = 07/23/02 Pct Recovery = 100% Analysis Date = 07/23/02 Pct Recovery = 100% Analysis Date = 07/16/02 Pct Recovery = 100% Analysis Date = 07/16/02 Pct Recovery = 100% Analysis Date = 07/10/02 Pct Recovery = 100% Analysis Date = 07/10/02 Pct Recovery = 100% Analysis Date = 07/04/02 Pct Recovery = 100% Analysis Date = 07/04/02 Pct Recovery = 100% Analysis Date = 06/28/02 Pct Recovery = 101% Analysis Date = 06/28/02 Pct Recovery = 101% Analysis Date = 06/22/02 Pct Recovery = 101% Analysis Date = 06/22/02 Pct Recovery = 101% Analysis Date = 06/16/02 Pct Recovery = 101% Analysis Date = 06/16/02 Pct Recovery = 101% Analysis Date = 06/09/02 Pct Recovery = 102% Analysis Date = 06/09/02 Pct Recovery = 102% Analysis Date = 06/03/02 Pct Recovery = 102% Analysis Date = 06/03/02 Pct Recovery = 102% Analysis Date = 05/28/02 Pct Recovery = 102% Analysis Date = 05/28/02 Pct Recovery = 102% Analysis Date = 05/22/02 Pct Recovery = 103% Analysis Date = 05/22/02 Pct Recovery = 103% Analysis Date = 05/16/02 Pct Recovery = 103% Analysis Date = 05/16/02 Pct Recovery = 103% Analysis Date = 05/10/02 Pct Recovery = 103% Analysis Date = 05/10/02 Pct Recovery = 103% Analysis Date = 05/04/02 Pct Recovery = 103% Analysis Date = 05/04/02 Pct Recovery = 103% Analysis Date = 04/27/02 Pct Recovery = 104% Analysis Date = 04/27/02 Pct Recovery = 104% Analysis Date = 04/21/02 Pct Recovery = 104% Analysis Date = 04/21/02 Pct Recovery = 104% Analysis Date = 04/15/02 Pct Recovery = 104% Analysis Date = 04/15/02 Pct Recovery = 104% Analysis Date = 04/09/02 Pct Recovery = 105% Analysis Date = 04/09/02 Pct Recovery = 105% Analysis Date = 04/03/02 Pct Recovery = 105% Analysis Date = 04/03/02 Pct Recovery = 105% Analysis Date = 03/28/02 Pct Recovery = 105% Analysis Date = 03/28/02 Pct Recovery = 105% Analysis Date = 03/21/02 Pct Recovery = 105% Analysis Date = 03/21/02 Pct Recovery = 105% Analysis Date = 03/15/02 Pct Recovery = 106% Analysis Date = 03/15/02 Pct Recovery = 106% Analysis Date = 03/09/02 Pct Recovery = 106% Analysis Date = 03/09/02 Pct Recovery = 106% Analysis Date = 03/03/02 Pct Recovery = 106% Analysis Date = 03/03/02 Pct Recovery = 106% Analysis Date = 02/25/02 Pct Recovery = 107% Analysis Date = 02/25/02 Pct Recovery = 107% Analysis Date = 02/19/02 Pct Recovery = 107% Analysis Date = 02/19/02 Pct Recovery = 107% Analysis Date = 02/13/02 Pct Recovery = 107% Analysis Date = 02/13/02 Pct Recovery = 107% Analysis Date = 02/06/02 Pct Recovery = 107% Analysis Date = 02/06/02 Pct Recovery = 107% Analysis Date = 01/31/02 Pct Recovery = 107% Analysis Date = 01/31/02 Pct Recovery = 107% Analysis Date = 01/25/02 Pct Recovery = 107% Analysis Date = 01/25/02 Pct Recovery = 107% Analysis Date = 01/19/02 Pct Recovery = 107% Analysis Date = 01/19/02 Pct Recovery = 107% Analysis Date = 01/13/02 Pct Recovery = 107% Analysis Date = 01/13/02 Pct Recovery = 107% Analysis Date = 01/07/02 Pct Recovery = 107% Analysis Date = 01/07/02 Pct Recovery = 107% Analysis Date = 12/31/01 Pct Recovery = 107% Analysis Date = 12/31/01 Pct Recovery = 107% Analysis Date = 12/25/01 Pct Recovery = 106% Analysis Date = 12/25/01 Pct Recovery = 106% Analysis Date = 12/19/01 Pct Recovery = 106% Analysis Date = 12/19/01 Pct Recovery = 106% Analysis Date = 12/13/01 Pct Recovery = 106% Analysis Date = 12/13/01 Pct Recovery = 106% Analysis Date = 12/07/01 Pct Recovery = 106% Analysis Date = 12/07/01 Pct Recovery = 106% Analysis Date = 12/01/01 Pct Recovery = 106% Analysis Date = 12/01/01 Pct Recovery = 106% Analysis Date = 11/24/01 Pct Recovery = 106% Analysis Date = 11/24/01 Pct Recovery = 106% Analysis Date = 11/18/01 Pct Recovery = 106% Analysis Date = 11/18/01 Pct Recovery = 106% Analysis Date = 11/12/01 Pct Recovery = 106% Analysis Date = 11/12/01 Pct Recovery = 106% Analysis Date = 11/06/01 Pct Recovery = 105% Analysis Date = 11/06/01 Pct Recovery = 105% Analysis Date = 10/31/01 Pct Recovery = 105% Analysis Date = 10/31/01 Pct Recovery = 105% Analysis Date = 10/25/01 Pct Recovery = 105% Analysis Date = 10/25/01 Pct Recovery = 105% Analysis Date = 10/19/01 Pct Recovery = 105% Analysis Date = 10/19/01 Pct Recovery = 105% Analysis Date = 10/12/01 Pct Recovery = 105% Analysis Date = 10/12/01 Pct Recovery = 105% Analysis Date = 10/06/01 Pct Recovery = 105% Analysis Date = 10/06/01 Pct Recovery = 105% Analysis Date = 09/30/01 Pct Recovery = 105% Analysis Date = 09/30/01 Pct Recovery = 105% Analysis Date = 09/24/01 Pct Recovery = 105% Analysis Date = 09/24/01 Pct Recovery = 105% Analysis Date = 09/18/01 Pct Recovery = 104% Analysis Date = 09/18/01 Pct Recovery = 104% Analysis Date = 09/12/01 Pct Recovery = 104% Analysis Date = 09/12/01 Pct Recovery = 104% Analysis Date = 09/05/01 Pct Recovery = 104% Analysis Date = 09/05/01 Pct Recovery = 104% Analysis Date = 08/30/01 Pct Recovery = 104% Analysis Date = 08/30/01 Pct Recovery = 104% Analysis Date = 08/24/01 Pct Recovery = 104% Analysis Date = 08/24/01 Pct Recovery = 104% Analysis Date = 08/18/01 Pct Recovery = 104% Analysis Date = 08/18/01 Pct Recovery = 104% Analysis Date = 08/12/01 Pct Recovery = 104% Analysis Date = 08/12/01 Pct Recovery = 104% Analysis Date = 08/06/01 Pct Recovery = 103% Analysis Date = 08/06/01 Pct Recovery = 103% Analysis Date = 07/30/01 Pct Recovery = 103% Analysis Date = 07/30/01 Pct Recovery = 103% Analysis Date = 07/24/01 Pct Recovery = 103% Analysis Date = 07/24/01 Pct Recovery = 103% Analysis Date = 07/18/01 Pct Recovery = 103% Analysis Date = 07/18/01 Pct Recovery = 103% Analysis Date = 07/12/01 Pct Recovery = 103% Analysis Date = 07/12/01 Pct Recovery = 103% Analysis Date = 07/06/01 Pct Recovery = 103% Analysis Date = 07/06/01 Pct Recovery = 103% Analysis Date = 06/30/01 Pct Recovery = 103% Analysis Date = 06/30/01 Pct Recovery = 103% Analysis Date = 06/24/01 Pct Recovery = 103% Analysis Date = 06/24/01 Pct Recovery = 103% Analysis Date = 06/17/01 Pct Recovery = 102% Analysis Date = 06/17/01 Pct Recovery = 102% Analysis Date = 06/11/01 Pct Recovery = 102% Analysis Date = 06/11/01 Pct Recovery = 102% Analysis Date = 06/05/01 Pct Recovery = 102% Analysis Date = 06/05/01 Pct Recovery = 102% Analysis Date = 05/30/01 Pct Recovery = 102% Analysis Date = 05/30/01 Pct Recovery = 102% Analysis Date = 05/24/01 Pct Recovery = 102% Analysis Date = 05/24/01 Pct Recovery = 102% Analysis Date = 05/18/01 Pct Recovery = 102% Analysis Date = 05/18/01 Pct Recovery = 102% Analysis Date = 05/11/01 Pct Recovery = 102% Analysis Date = 05/11/01 Pct Recovery = 102% Analysis Date = 05/05/01 Pct Recovery = 101% Analysis Date = 05/05/01 Pct Recovery = 101% Analysis Date = 04/29/01 Pct Recovery = 101% Analysis Date = 04/29/01 Pct Recovery = 101% Analysis Date = 04/23/01 Pct Recovery = 101% Analysis Date = 04/23/01 Pct Recovery = 101% Analysis Date = 04/17/01 Pct Recovery = 101% Analysis Date = 04/17/01 Pct Recovery = 101% Analysis Date = 04/11/01 Pct Recovery = 101% Analysis Date = 04/11/01 Pct Recovery = 101% Analysis Date = 04/05/01 Pct Recovery = 101% Analysis Date = 04/05/01 Pct Recovery = 101% Analysis Date = 03/29/01 Pct Recovery = 101% Analysis Date = 03/29/01 Pct Recovery = 101% Analysis Date = 03/23/01 Pct Recovery = 101% Analysis Date = 03/23/01 Pct Recovery = 101% Analysis Date = 03/17/01 Pct Recovery = 100% Analysis Date = 03/17/01 Pct Recovery = 100% Analysis Date = 03/11/01 Pct Recovery = 100% Analysis Date = 03/11/01 Pct Recovery = 100% Analysis Date = 03/05/01 Pct Recovery = 100% Analysis Date = 03/05/01 Pct Recovery = 100% Analysis Date = 02/27/01 Pct Recovery = 100% Analysis Date = 02/27/01 Pct Recovery = 100% Analysis Date = 02/20/01 Pct Recovery = 100% Analysis Date = 02/20/01 Pct Recovery = 100% Analysis Date = 02/14/01 Pct Recovery = 100% Analysis Date = 02/14/01 Pct Recovery = 100% Analysis Date = 02/08/01 Pct Recovery = 100% Analysis Date = 02/08/01 Pct Recovery = 100% Analysis Date = 02/02/01 Pct Recovery = 100% Analysis Date = 02/02/01 Pct Recovery = 100% Analysis Date = 01/27/01 Pct Recovery = 99% Analysis Date = 01/27/01 Pct Recovery = 99% Analysis Date = 01/21/01 Pct Recovery = 99% Analysis Date = 01/21/01 Pct Recovery = 99% Analysis Date = 01/14/01 Pct Recovery = 99% Analysis Date = 01/14/01 Pct Recovery = 99% Analysis Date = 01/08/01 Pct Recovery = 99% Analysis Date = 01/08/01 Pct Recovery = 99% Analysis Date = 01/02/01 Pct Recovery = 99% Analysis Date = 01/02/01 Pct Recovery = 99% Analysis Date = 12/27/00 Pct Recovery = 99% Analysis Date = 12/27/00 Pct Recovery = 99% Analysis Date = 12/21/00 Pct Recovery = 99% Analysis Date = 12/21/00 Pct Recovery = 99% Analysis Date = 12/15/00 Pct Recovery = 98% Analysis Date = 12/15/00 Pct Recovery = 98% Analysis Date = 12/09/00 Pct Recovery = 98% Analysis Date = 12/09/00 Pct Recovery = 98% Analysis Date = 12/02/00 Pct Recovery = 98% Analysis Date = 12/02/00 Pct Recovery = 98% Analysis Date = 11/26/00 Pct Recovery = 98% Analysis Date = 11/26/00 Pct Recovery = 98% Analysis Date = 11/20/00 Pct Recovery = 98% Analysis Date = 11/20/00 Pct Recovery = 98% Analysis Date = 11/14/00 Pct Recovery = 98% Analysis Date = 11/14/00 Pct Recovery = 98% Analysis Date = 11/08/00 Pct Recovery = 98% Analysis Date = 11/08/00 Pct Recovery = 98% Analysis Date = 11/02/00 Pct Recovery = 98% Analysis Date = 11/02/00 Pct Recovery = 98% Analysis Date = 10/26/00 Pct Recovery = 98% Analysis Date = 10/26/00 Pct Recovery = 98% Analysis Date = 10/20/00 Pct Recovery = 98% Analysis Date = 10/20/00 Pct Recovery = 98% Analysis Date = 10/14/00 Pct Recovery = 98% Analysis Date = 10/14/00 Pct Recovery = 98% Analysis Date = 10/08/00 Pct Recovery = 98% Analysis Date = 10/08/00 Pct Recovery = 98% Analysis Date = 10/02/00 Pct Recovery = 98% Analysis Date = 10/02/00 Pct Recovery = 98% Analysis Date = 09/26/00 Pct Recovery = 98% Analysis Date = 09/26/00 Pct Recovery = 98% Analysis Date = 09/20/00 Pct Recovery = 98% Analysis Date = 09/20/00 Pct Recovery = 98% Analysis Date = 09/13/00 Pct Recovery = 98% Analysis Date = 09/13/00 Pct Recovery = 98% Analysis Date = 09/07/00 Pct Recovery = 99% Analysis Date = 09/07/00 Pct Recovery = 99% Analysis Date = 09/01/00 Pct Recovery = 99% Analysis Date = 09/01/00 Pct Recovery = 99% Analysis Date = 08/26/00 Pct Recovery = 99% Analysis Date = 08/26/00 Pct Recovery = 99% Analysis Date = 08/20/00 Pct Recovery = 99% Analysis Date = 08/20/00 Pct Recovery = 99% Analysis Date = 08/14/00 Pct Recovery = 99% Analysis Date = 08/14/00 Pct Recovery = 99% Analysis Date = 08/07/00 Pct Recovery = 99% Analysis Date = 08/07/00 Pct Recovery = 99% Analysis Date = 08/01/00 Pct Recovery = 99% Analysis Date = 08/01/00 Pct Recovery = 99% Analysis Date = 07/26/00 Pct Recovery = 99% Analysis Date = 07/26/00 Pct Recovery = 99% Analysis Date = 07/20/00 Pct Recovery = 99% Analysis Date = 07/20/00 Pct Recovery = 99% Analysis Date = 07/14/00 Pct Recovery = 99% Analysis Date = 07/14/00 Pct Recovery = 99% Analysis Date = 07/08/00 Pct Recovery = 99% Analysis Date = 07/08/00 Pct Recovery = 99% Analysis Date = 07/01/00 Pct Recovery = 100% Analysis Date = 07/01/00 Pct Recovery = 100% Analysis Date = 06/25/00 Pct Recovery = 100% Analysis Date = 06/25/00 Pct Recovery = 100% Analysis Date = 06/19/00 Pct Recovery = 100% Analysis Date = 06/19/00 Pct Recovery = 100% Analysis Date = 06/13/00 Pct Recovery = 100% Analysis Date = 06/13/00 Pct Recovery = 100% Analysis Date = 06/07/00 Pct Recovery = 100% Analysis Date = 06/07/00 Pct Recovery = 100% Analysis Date = 06/01/00 Pct Recovery = 100% Analysis Date = 06/01/00 Pct Recovery = 100% Analysis Date = 05/26/00 Pct Recovery = 100% Analysis Date = 05/26/00 Pct Recovery = 100% Analysis Date = 05/19/00 Pct Recovery = 100% Analysis Date = 05/19/00 Pct Recovery = 100% Analysis Date = 05/13/00 Pct Recovery = 100% Analysis Date = 05/13/00 Pct Recovery = 100% Analysis Date = 05/07/00 Pct Recovery = 101% Analysis Date = 05/07/00 Pct Recovery = 101% Analysis Date = 05/01/00 Pct Recovery = 101% Analysis Date = 05/01/00 Pct Recovery = 101% Analysis Date = 04/25/00 Pct Recovery = 101% Analysis Date = 04/25/00 Pct Recovery = 101% Analysis Date = 04/19/00 Pct Recovery = 101% Analysis Date = 04/19/00 Pct Recovery = 101% Analysis Date = 04/12/00 Pct Recovery = 101% Analysis Date = 04/12/00 Pct Recovery = 101% Analysis Date = 04/06/00 Pct Recovery = 101% Analysis Date = 04/06/00 Pct Recovery = 101% Analysis Date = 03/31/00 Pct Recovery = 101% Analysis Date = 03/31/00 Pct Recovery = 101% Analysis Date = 03/25/00 Pct Recovery = 102% Analysis Date = 03/25/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/13/00 Pct Recovery = 102% Analysis Date = 03/13/00 Pct Recovery = 102% Analysis Date = 03/06/00 Pct Recovery = 102% Analysis Date = 03/06/00 Pct Recovery = 102% Analysis Date = 02/29/00 Pct Recovery = 102% Analysis Date = 02/29/00 Pct Recovery = 102% Analysis Date = 02/23/00 Pct Recovery = 102% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
4-ISOPROPYL-1-METHYLBENZENE (CYMENE)

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 14 103% 10% 103% 15%
Total 14 103% 10% 103% 15%

Sample Statistics
4-ISOPROPYL-1-METHYLBENZENE (CYMENE)

Characteristic N % % Basis
Plotted 14 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 14 .  
False Negatives 0 0% 0 out of 14
Not Spiked 22 .  
False Positives 0 0% 0 out of 22

BQS OBSP Determination:
4-METHYL-2-PENTANONE
METHOD: 4054 , TESTIDCODE: 78133GCM66
Open Data Set

Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 116% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 97% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 128% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 92% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 101% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 104% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 92% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 81% Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 90% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 110% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 102% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 109% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 70% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 98% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 84% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 88% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 100% Analysis Date = 10/03/03 Pct Recovery = 98% Analysis Date = 09/28/03 Pct Recovery = 98% Analysis Date = 09/28/03 Pct Recovery = 98% Analysis Date = 09/22/03 Pct Recovery = 98% Analysis Date = 09/22/03 Pct Recovery = 98% Analysis Date = 09/16/03 Pct Recovery = 98% Analysis Date = 09/16/03 Pct Recovery = 98% Analysis Date = 09/11/03 Pct Recovery = 98% Analysis Date = 09/11/03 Pct Recovery = 98% Analysis Date = 09/05/03 Pct Recovery = 99% Analysis Date = 09/05/03 Pct Recovery = 99% Analysis Date = 08/30/03 Pct Recovery = 99% Analysis Date = 08/30/03 Pct Recovery = 99% Analysis Date = 08/24/03 Pct Recovery = 99% Analysis Date = 08/24/03 Pct Recovery = 99% Analysis Date = 08/19/03 Pct Recovery = 99% Analysis Date = 08/19/03 Pct Recovery = 99% Analysis Date = 08/13/03 Pct Recovery = 99% Analysis Date = 08/13/03 Pct Recovery = 99% Analysis Date = 08/07/03 Pct Recovery = 99% Analysis Date = 08/07/03 Pct Recovery = 99% Analysis Date = 08/02/03 Pct Recovery = 99% Analysis Date = 08/02/03 Pct Recovery = 99% Analysis Date = 07/27/03 Pct Recovery = 99% Analysis Date = 07/27/03 Pct Recovery = 99% Analysis Date = 07/21/03 Pct Recovery = 99% Analysis Date = 07/21/03 Pct Recovery = 99% Analysis Date = 07/15/03 Pct Recovery = 99% Analysis Date = 07/15/03 Pct Recovery = 99% Analysis Date = 07/10/03 Pct Recovery = 99% Analysis Date = 07/10/03 Pct Recovery = 99% Analysis Date = 07/04/03 Pct Recovery = 99% Analysis Date = 07/04/03 Pct Recovery = 99% Analysis Date = 06/28/03 Pct Recovery = 100% Analysis Date = 06/28/03 Pct Recovery = 100% Analysis Date = 06/23/03 Pct Recovery = 100% Analysis Date = 06/23/03 Pct Recovery = 100% Analysis Date = 06/17/03 Pct Recovery = 100% Analysis Date = 06/17/03 Pct Recovery = 100% Analysis Date = 06/11/03 Pct Recovery = 100% Analysis Date = 06/11/03 Pct Recovery = 100% Analysis Date = 06/05/03 Pct Recovery = 100% Analysis Date = 06/05/03 Pct Recovery = 100% Analysis Date = 05/31/03 Pct Recovery = 100% Analysis Date = 05/31/03 Pct Recovery = 100% Analysis Date = 05/25/03 Pct Recovery = 100% Analysis Date = 05/25/03 Pct Recovery = 100% Analysis Date = 05/19/03 Pct Recovery = 99% Analysis Date = 05/19/03 Pct Recovery = 99% Analysis Date = 05/14/03 Pct Recovery = 99% Analysis Date = 05/14/03 Pct Recovery = 99% Analysis Date = 05/08/03 Pct Recovery = 99% Analysis Date = 05/08/03 Pct Recovery = 99% Analysis Date = 05/02/03 Pct Recovery = 99% Analysis Date = 05/02/03 Pct Recovery = 99% Analysis Date = 04/26/03 Pct Recovery = 99% Analysis Date = 04/26/03 Pct Recovery = 99% Analysis Date = 04/21/03 Pct Recovery = 99% Analysis Date = 04/21/03 Pct Recovery = 99% Analysis Date = 04/15/03 Pct Recovery = 99% Analysis Date = 04/15/03 Pct Recovery = 99% Analysis Date = 04/09/03 Pct Recovery = 99% Analysis Date = 04/09/03 Pct Recovery = 99% Analysis Date = 04/04/03 Pct Recovery = 98% Analysis Date = 04/04/03 Pct Recovery = 98% Analysis Date = 03/29/03 Pct Recovery = 98% Analysis Date = 03/29/03 Pct Recovery = 98% Analysis Date = 03/23/03 Pct Recovery = 98% Analysis Date = 03/23/03 Pct Recovery = 98% Analysis Date = 03/17/03 Pct Recovery = 98% Analysis Date = 03/17/03 Pct Recovery = 98% Analysis Date = 03/12/03 Pct Recovery = 98% Analysis Date = 03/12/03 Pct Recovery = 98% Analysis Date = 03/06/03 Pct Recovery = 98% Analysis Date = 03/06/03 Pct Recovery = 98% Analysis Date = 02/28/03 Pct Recovery = 98% Analysis Date = 02/28/03 Pct Recovery = 98% Analysis Date = 02/22/03 Pct Recovery = 98% Analysis Date = 02/22/03 Pct Recovery = 98% Analysis Date = 02/17/03 Pct Recovery = 98% Analysis Date = 02/17/03 Pct Recovery = 98% Analysis Date = 02/11/03 Pct Recovery = 97% Analysis Date = 02/11/03 Pct Recovery = 97% Analysis Date = 02/05/03 Pct Recovery = 97% Analysis Date = 02/05/03 Pct Recovery = 97% Analysis Date = 01/31/03 Pct Recovery = 97% Analysis Date = 01/31/03 Pct Recovery = 97% Analysis Date = 01/25/03 Pct Recovery = 97% Analysis Date = 01/25/03 Pct Recovery = 97% Analysis Date = 01/19/03 Pct Recovery = 97% Analysis Date = 01/19/03 Pct Recovery = 97% Analysis Date = 01/13/03 Pct Recovery = 97% Analysis Date = 01/13/03 Pct Recovery = 97% Analysis Date = 01/08/03 Pct Recovery = 97% Analysis Date = 01/08/03 Pct Recovery = 97% Analysis Date = 01/02/03 Pct Recovery = 97% Analysis Date = 01/02/03 Pct Recovery = 97% Analysis Date = 12/27/02 Pct Recovery = 97% Analysis Date = 12/27/02 Pct Recovery = 97% Analysis Date = 12/22/02 Pct Recovery = 96% Analysis Date = 12/22/02 Pct Recovery = 96% Analysis Date = 12/16/02 Pct Recovery = 96% Analysis Date = 12/16/02 Pct Recovery = 96% Analysis Date = 12/10/02 Pct Recovery = 96% Analysis Date = 12/10/02 Pct Recovery = 96% Analysis Date = 12/04/02 Pct Recovery = 96% Analysis Date = 12/04/02 Pct Recovery = 96% Analysis Date = 11/29/02 Pct Recovery = 96% Analysis Date = 11/29/02 Pct Recovery = 96% Analysis Date = 11/23/02 Pct Recovery = 96% Analysis Date = 11/23/02 Pct Recovery = 96% Analysis Date = 11/17/02 Pct Recovery = 96% Analysis Date = 11/17/02 Pct Recovery = 96% Analysis Date = 11/12/02 Pct Recovery = 96% Analysis Date = 11/12/02 Pct Recovery = 96% Analysis Date = 11/06/02 Pct Recovery = 95% Analysis Date = 11/06/02 Pct Recovery = 95% Analysis Date = 10/31/02 Pct Recovery = 95% Analysis Date = 10/31/02 Pct Recovery = 95% Analysis Date = 10/25/02 Pct Recovery = 95% Analysis Date = 10/25/02 Pct Recovery = 95% Analysis Date = 10/20/02 Pct Recovery = 95% Analysis Date = 10/20/02 Pct Recovery = 95% Analysis Date = 10/14/02 Pct Recovery = 95% Analysis Date = 10/14/02 Pct Recovery = 95% Analysis Date = 10/08/02 Pct Recovery = 95% Analysis Date = 10/08/02 Pct Recovery = 95% Analysis Date = 10/03/02 Pct Recovery = 95% Analysis Date = 10/03/02 Pct Recovery = 95% Analysis Date = 09/27/02 Pct Recovery = 95% Analysis Date = 09/27/02 Pct Recovery = 95% Analysis Date = 09/21/02 Pct Recovery = 95% Analysis Date = 09/21/02 Pct Recovery = 95% Analysis Date = 09/15/02 Pct Recovery = 94% Analysis Date = 09/15/02 Pct Recovery = 94% Analysis Date = 09/10/02 Pct Recovery = 94% Analysis Date = 09/10/02 Pct Recovery = 94% Analysis Date = 09/04/02 Pct Recovery = 94% Analysis Date = 09/04/02 Pct Recovery = 94% Analysis Date = 08/29/02 Pct Recovery = 94% Analysis Date = 08/29/02 Pct Recovery = 94% Analysis Date = 08/24/02 Pct Recovery = 94% Analysis Date = 08/24/02 Pct Recovery = 94% Analysis Date = 08/18/02 Pct Recovery = 94% Analysis Date = 08/18/02 Pct Recovery = 94% Analysis Date = 08/12/02 Pct Recovery = 94% Analysis Date = 08/12/02 Pct Recovery = 94% Analysis Date = 08/06/02 Pct Recovery = 94% Analysis Date = 08/06/02 Pct Recovery = 94% Analysis Date = 08/01/02 Pct Recovery = 94% Analysis Date = 08/01/02 Pct Recovery = 94% Analysis Date = 07/26/02 Pct Recovery = 93% Analysis Date = 07/26/02 Pct Recovery = 93% Analysis Date = 07/20/02 Pct Recovery = 93% Analysis Date = 07/20/02 Pct Recovery = 93% Analysis Date = 07/14/02 Pct Recovery = 93% Analysis Date = 07/14/02 Pct Recovery = 93% Analysis Date = 07/09/02 Pct Recovery = 93% Analysis Date = 07/09/02 Pct Recovery = 93% Analysis Date = 07/03/02 Pct Recovery = 93% Analysis Date = 07/03/02 Pct Recovery = 93% Analysis Date = 06/27/02 Pct Recovery = 93% Analysis Date = 06/27/02 Pct Recovery = 93% Analysis Date = 06/22/02 Pct Recovery = 93% Analysis Date = 06/22/02 Pct Recovery = 93% Analysis Date = 06/16/02 Pct Recovery = 92% Analysis Date = 06/16/02 Pct Recovery = 92% Analysis Date = 06/10/02 Pct Recovery = 92% Analysis Date = 06/10/02 Pct Recovery = 92% Analysis Date = 06/04/02 Pct Recovery = 92% Analysis Date = 06/04/02 Pct Recovery = 92% Analysis Date = 05/30/02 Pct Recovery = 92% Analysis Date = 05/30/02 Pct Recovery = 92% Analysis Date = 05/24/02 Pct Recovery = 92% Analysis Date = 05/24/02 Pct Recovery = 92% Analysis Date = 05/18/02 Pct Recovery = 92% Analysis Date = 05/18/02 Pct Recovery = 92% Analysis Date = 05/13/02 Pct Recovery = 92% Analysis Date = 05/13/02 Pct Recovery = 92% Analysis Date = 05/07/02 Pct Recovery = 92% Analysis Date = 05/07/02 Pct Recovery = 92% Analysis Date = 05/01/02 Pct Recovery = 92% Analysis Date = 05/01/02 Pct Recovery = 92% Analysis Date = 04/25/02 Pct Recovery = 92% Analysis Date = 04/25/02 Pct Recovery = 92% Analysis Date = 04/20/02 Pct Recovery = 92% Analysis Date = 04/20/02 Pct Recovery = 92% Analysis Date = 04/14/02 Pct Recovery = 93% Analysis Date = 04/14/02 Pct Recovery = 93% Analysis Date = 04/08/02 Pct Recovery = 93% Analysis Date = 04/08/02 Pct Recovery = 93% Analysis Date = 04/03/02 Pct Recovery = 93% Analysis Date = 04/03/02 Pct Recovery = 93% Analysis Date = 03/28/02 Pct Recovery = 93% Analysis Date = 03/28/02 Pct Recovery = 93% Analysis Date = 03/22/02 Pct Recovery = 94% Analysis Date = 03/22/02 Pct Recovery = 94% Analysis Date = 03/16/02 Pct Recovery = 94% Analysis Date = 03/16/02 Pct Recovery = 94% Analysis Date = 03/11/02 Pct Recovery = 94% Analysis Date = 03/11/02 Pct Recovery = 94% Analysis Date = 03/05/02 Pct Recovery = 95% Analysis Date = 03/05/02 Pct Recovery = 95% Analysis Date = 02/27/02 Pct Recovery = 95% Analysis Date = 02/27/02 Pct Recovery = 95% Analysis Date = 02/22/02 Pct Recovery = 95% Analysis Date = 02/22/02 Pct Recovery = 95% Analysis Date = 02/16/02 Pct Recovery = 95% Analysis Date = 02/16/02 Pct Recovery = 95% Analysis Date = 02/10/02 Pct Recovery = 96% Analysis Date = 02/10/02 Pct Recovery = 96% Analysis Date = 02/04/02 Pct Recovery = 96% Analysis Date = 02/04/02 Pct Recovery = 96% Analysis Date = 01/30/02 Pct Recovery = 96% Analysis Date = 01/30/02 Pct Recovery = 96% Analysis Date = 01/24/02 Pct Recovery = 97% Analysis Date = 01/24/02 Pct Recovery = 97% Analysis Date = 01/18/02 Pct Recovery = 97% Analysis Date = 01/18/02 Pct Recovery = 97% Analysis Date = 01/13/02 Pct Recovery = 97% Analysis Date = 01/13/02 Pct Recovery = 97% Analysis Date = 01/07/02 Pct Recovery = 97% Analysis Date = 01/07/02 Pct Recovery = 97% Analysis Date = 01/01/02 Pct Recovery = 98% Analysis Date = 01/01/02 Pct Recovery = 98% Analysis Date = 12/26/01 Pct Recovery = 98% Analysis Date = 12/26/01 Pct Recovery = 98% Analysis Date = 12/21/01 Pct Recovery = 98% Analysis Date = 12/21/01 Pct Recovery = 98% Analysis Date = 12/15/01 Pct Recovery = 99% Analysis Date = 12/15/01 Pct Recovery = 99% Analysis Date = 12/09/01 Pct Recovery = 99% Analysis Date = 12/09/01 Pct Recovery = 99% Analysis Date = 12/03/01 Pct Recovery = 99% Analysis Date = 12/03/01 Pct Recovery = 99% Analysis Date = 11/28/01 Pct Recovery = 100% Analysis Date = 11/28/01 Pct Recovery = 100% Analysis Date = 11/22/01 Pct Recovery = 100% Analysis Date = 11/22/01 Pct Recovery = 100% Analysis Date = 11/16/01 Pct Recovery = 100% Analysis Date = 11/16/01 Pct Recovery = 100% Analysis Date = 11/11/01 Pct Recovery = 100% Analysis Date = 11/11/01 Pct Recovery = 100% Analysis Date = 11/05/01 Pct Recovery = 101% Analysis Date = 11/05/01 Pct Recovery = 101% Analysis Date = 10/30/01 Pct Recovery = 101% Analysis Date = 10/30/01 Pct Recovery = 101% Analysis Date = 10/24/01 Pct Recovery = 101% Analysis Date = 10/24/01 Pct Recovery = 101% Analysis Date = 10/19/01 Pct Recovery = 102% Analysis Date = 10/19/01 Pct Recovery = 102% Analysis Date = 10/13/01 Pct Recovery = 102% Analysis Date = 10/13/01 Pct Recovery = 102% Analysis Date = 10/07/01 Pct Recovery = 102% Analysis Date = 10/07/01 Pct Recovery = 102% Analysis Date = 10/02/01 Pct Recovery = 103% Analysis Date = 10/02/01 Pct Recovery = 103% Analysis Date = 09/26/01 Pct Recovery = 103% Analysis Date = 09/26/01 Pct Recovery = 103% Analysis Date = 09/20/01 Pct Recovery = 103% Analysis Date = 09/20/01 Pct Recovery = 103% Analysis Date = 09/14/01 Pct Recovery = 103% Analysis Date = 09/14/01 Pct Recovery = 103% Analysis Date = 09/09/01 Pct Recovery = 104% Analysis Date = 09/09/01 Pct Recovery = 104% Analysis Date = 09/03/01 Pct Recovery = 104% Analysis Date = 09/03/01 Pct Recovery = 104% Analysis Date = 08/28/01 Pct Recovery = 104% Analysis Date = 08/28/01 Pct Recovery = 104% Analysis Date = 08/23/01 Pct Recovery = 105% Analysis Date = 08/23/01 Pct Recovery = 105% Analysis Date = 08/17/01 Pct Recovery = 105% Analysis Date = 08/17/01 Pct Recovery = 105% Analysis Date = 08/11/01 Pct Recovery = 105% Analysis Date = 08/11/01 Pct Recovery = 105% Analysis Date = 08/05/01 Pct Recovery = 106% Analysis Date = 08/05/01 Pct Recovery = 106% Analysis Date = 07/31/01 Pct Recovery = 106% Analysis Date = 07/31/01 Pct Recovery = 106% Analysis Date = 07/25/01 Pct Recovery = 106% Analysis Date = 07/25/01 Pct Recovery = 106% Analysis Date = 07/19/01 Pct Recovery = 106% Analysis Date = 07/19/01 Pct Recovery = 106% Analysis Date = 07/14/01 Pct Recovery = 105% Analysis Date = 07/14/01 Pct Recovery = 105% Analysis Date = 07/08/01 Pct Recovery = 105% Analysis Date = 07/08/01 Pct Recovery = 105% Analysis Date = 07/02/01 Pct Recovery = 105% Analysis Date = 07/02/01 Pct Recovery = 105% Analysis Date = 06/26/01 Pct Recovery = 105% Analysis Date = 06/26/01 Pct Recovery = 105% Analysis Date = 06/21/01 Pct Recovery = 105% Analysis Date = 06/21/01 Pct Recovery = 105% Analysis Date = 06/15/01 Pct Recovery = 105% Analysis Date = 06/15/01 Pct Recovery = 105% Analysis Date = 06/09/01 Pct Recovery = 104% Analysis Date = 06/09/01 Pct Recovery = 104% Analysis Date = 06/04/01 Pct Recovery = 104% Analysis Date = 06/04/01 Pct Recovery = 104% Analysis Date = 05/29/01 Pct Recovery = 104% Analysis Date = 05/29/01 Pct Recovery = 104% Analysis Date = 05/23/01 Pct Recovery = 104% Analysis Date = 05/23/01 Pct Recovery = 104% Analysis Date = 05/17/01 Pct Recovery = 104% Analysis Date = 05/17/01 Pct Recovery = 104% Analysis Date = 05/12/01 Pct Recovery = 104% Analysis Date = 05/12/01 Pct Recovery = 104% Analysis Date = 05/06/01 Pct Recovery = 103% Analysis Date = 05/06/01 Pct Recovery = 103% Analysis Date = 04/30/01 Pct Recovery = 103% Analysis Date = 04/30/01 Pct Recovery = 103% Analysis Date = 04/24/01 Pct Recovery = 103% Analysis Date = 04/24/01 Pct Recovery = 103% Analysis Date = 04/19/01 Pct Recovery = 103% Analysis Date = 04/19/01 Pct Recovery = 103% Analysis Date = 04/13/01 Pct Recovery = 103% Analysis Date = 04/13/01 Pct Recovery = 103% Analysis Date = 04/07/01 Pct Recovery = 103% Analysis Date = 04/07/01 Pct Recovery = 103% Analysis Date = 04/02/01 Pct Recovery = 103% Analysis Date = 04/02/01 Pct Recovery = 103% Analysis Date = 03/27/01 Pct Recovery = 102% Analysis Date = 03/27/01 Pct Recovery = 102% Analysis Date = 03/21/01 Pct Recovery = 102% Analysis Date = 03/21/01 Pct Recovery = 102% Analysis Date = 03/15/01 Pct Recovery = 102% Analysis Date = 03/15/01 Pct Recovery = 102% Analysis Date = 03/10/01 Pct Recovery = 102% Analysis Date = 03/10/01 Pct Recovery = 102% Analysis Date = 03/04/01 Pct Recovery = 102% Analysis Date = 03/04/01 Pct Recovery = 102% Analysis Date = 02/26/01 Pct Recovery = 102% Analysis Date = 02/26/01 Pct Recovery = 102% Analysis Date = 02/21/01 Pct Recovery = 101% Analysis Date = 02/21/01 Pct Recovery = 101% Analysis Date = 02/15/01 Pct Recovery = 101% Analysis Date = 02/15/01 Pct Recovery = 101% Analysis Date = 02/09/01 Pct Recovery = 101% Analysis Date = 02/09/01 Pct Recovery = 101% Analysis Date = 02/03/01 Pct Recovery = 101% Analysis Date = 02/03/01 Pct Recovery = 101% Analysis Date = 01/29/01 Pct Recovery = 100% Analysis Date = 01/29/01 Pct Recovery = 100% Analysis Date = 01/23/01 Pct Recovery = 100% Analysis Date = 01/23/01 Pct Recovery = 100% Analysis Date = 01/17/01 Pct Recovery = 100% Analysis Date = 01/17/01 Pct Recovery = 100% Analysis Date = 01/12/01 Pct Recovery = 100% Analysis Date = 01/12/01 Pct Recovery = 100% Analysis Date = 01/06/01 Pct Recovery = 99% Analysis Date = 01/06/01 Pct Recovery = 99% Analysis Date = 12/31/00 Pct Recovery = 99% Analysis Date = 12/31/00 Pct Recovery = 99% Analysis Date = 12/25/00 Pct Recovery = 99% Analysis Date = 12/25/00 Pct Recovery = 99% Analysis Date = 12/20/00 Pct Recovery = 98% Analysis Date = 12/20/00 Pct Recovery = 98% Analysis Date = 12/14/00 Pct Recovery = 98% Analysis Date = 12/14/00 Pct Recovery = 98% Analysis Date = 12/08/00 Pct Recovery = 98% Analysis Date = 12/08/00 Pct Recovery = 98% Analysis Date = 12/03/00 Pct Recovery = 98% Analysis Date = 12/03/00 Pct Recovery = 98% Analysis Date = 11/27/00 Pct Recovery = 97% Analysis Date = 11/27/00 Pct Recovery = 97% Analysis Date = 11/21/00 Pct Recovery = 97% Analysis Date = 11/21/00 Pct Recovery = 97% Analysis Date = 11/15/00 Pct Recovery = 97% Analysis Date = 11/15/00 Pct Recovery = 97% Analysis Date = 11/10/00 Pct Recovery = 96% Analysis Date = 11/10/00 Pct Recovery = 96% Analysis Date = 11/04/00 Pct Recovery = 96% Analysis Date = 11/04/00 Pct Recovery = 96% Analysis Date = 10/29/00 Pct Recovery = 96% Analysis Date = 10/29/00 Pct Recovery = 96% Analysis Date = 10/24/00 Pct Recovery = 95% Analysis Date = 10/24/00 Pct Recovery = 95% Analysis Date = 10/18/00 Pct Recovery = 95% Analysis Date = 10/18/00 Pct Recovery = 95% Analysis Date = 10/12/00 Pct Recovery = 95% Analysis Date = 10/12/00 Pct Recovery = 95% Analysis Date = 10/06/00 Pct Recovery = 94% Analysis Date = 10/06/00 Pct Recovery = 94% Analysis Date = 10/01/00 Pct Recovery = 94% Analysis Date = 10/01/00 Pct Recovery = 94% Analysis Date = 09/25/00 Pct Recovery = 94% Analysis Date = 09/25/00 Pct Recovery = 94% Analysis Date = 09/19/00 Pct Recovery = 93% Analysis Date = 09/19/00 Pct Recovery = 93% Analysis Date = 09/13/00 Pct Recovery = 93% Analysis Date = 09/13/00 Pct Recovery = 93% Analysis Date = 09/08/00 Pct Recovery = 93% Analysis Date = 09/08/00 Pct Recovery = 93% Analysis Date = 09/02/00 Pct Recovery = 92% Analysis Date = 09/02/00 Pct Recovery = 92% Analysis Date = 08/27/00 Pct Recovery = 92% Analysis Date = 08/27/00 Pct Recovery = 92% Analysis Date = 08/22/00 Pct Recovery = 92% Analysis Date = 08/22/00 Pct Recovery = 92% Analysis Date = 08/16/00 Pct Recovery = 91% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
4-METHYL-2-PENTANONE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 17 98% 14% 98% 10%
Total 17 98% 14% 98% 10%

Sample Statistics
4-METHYL-2-PENTANONE

Characteristic N % % Basis
Plotted 17 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 17 .  
False Negatives 0 0% 0 out of 17
Not Spiked 19 .  
False Positives 0 0% 0 out of 19

BQS OBSP Determination:
ACETONE
METHOD: 4054 , TESTIDCODE: 81552GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 110% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 108% Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 136% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 145% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 192% Analysis Date = 07/31/01 Pct Recovery = 136% Analysis Date = 07/29/01 Pct Recovery = 136% Analysis Date = 07/29/01 Pct Recovery = 136% Analysis Date = 07/27/01 Pct Recovery = 137% Analysis Date = 07/27/01 Pct Recovery = 137% Analysis Date = 07/25/01 Pct Recovery = 137% Analysis Date = 07/25/01 Pct Recovery = 137% Analysis Date = 07/24/01 Pct Recovery = 137% Analysis Date = 07/24/01 Pct Recovery = 137% Analysis Date = 07/22/01 Pct Recovery = 137% Analysis Date = 07/22/01 Pct Recovery = 137% Analysis Date = 07/20/01 Pct Recovery = 137% Analysis Date = 07/20/01 Pct Recovery = 137% Analysis Date = 07/18/01 Pct Recovery = 137% Analysis Date = 07/18/01 Pct Recovery = 137% Analysis Date = 07/17/01 Pct Recovery = 137% Analysis Date = 07/17/01 Pct Recovery = 137% Analysis Date = 07/15/01 Pct Recovery = 138% Analysis Date = 07/15/01 Pct Recovery = 138% Analysis Date = 07/13/01 Pct Recovery = 138% Analysis Date = 07/13/01 Pct Recovery = 138% Analysis Date = 07/11/01 Pct Recovery = 138% Analysis Date = 07/11/01 Pct Recovery = 138% Analysis Date = 07/10/01 Pct Recovery = 138% Analysis Date = 07/10/01 Pct Recovery = 138% Analysis Date = 07/08/01 Pct Recovery = 138% Analysis Date = 07/08/01 Pct Recovery = 138% Analysis Date = 07/06/01 Pct Recovery = 138% Analysis Date = 07/06/01 Pct Recovery = 138% Analysis Date = 07/04/01 Pct Recovery = 138% Analysis Date = 07/04/01 Pct Recovery = 138% Analysis Date = 07/03/01 Pct Recovery = 139% Analysis Date = 07/03/01 Pct Recovery = 139% Analysis Date = 07/01/01 Pct Recovery = 139% Analysis Date = 07/01/01 Pct Recovery = 139% Analysis Date = 06/29/01 Pct Recovery = 139% Analysis Date = 06/29/01 Pct Recovery = 139% Analysis Date = 06/27/01 Pct Recovery = 139% Analysis Date = 06/27/01 Pct Recovery = 139% Analysis Date = 06/26/01 Pct Recovery = 139% Analysis Date = 06/26/01 Pct Recovery = 139% Analysis Date = 06/24/01 Pct Recovery = 139% Analysis Date = 06/24/01 Pct Recovery = 139% Analysis Date = 06/22/01 Pct Recovery = 139% Analysis Date = 06/22/01 Pct Recovery = 139% Analysis Date = 06/20/01 Pct Recovery = 140% Analysis Date = 06/20/01 Pct Recovery = 140% Analysis Date = 06/19/01 Pct Recovery = 140% Analysis Date = 06/19/01 Pct Recovery = 140% Analysis Date = 06/17/01 Pct Recovery = 140% Analysis Date = 06/17/01 Pct Recovery = 140% Analysis Date = 06/15/01 Pct Recovery = 140% Analysis Date = 06/15/01 Pct Recovery = 140% Analysis Date = 06/13/01 Pct Recovery = 140% Analysis Date = 06/13/01 Pct Recovery = 140% Analysis Date = 06/12/01 Pct Recovery = 140% Analysis Date = 06/12/01 Pct Recovery = 140% Analysis Date = 06/10/01 Pct Recovery = 140% Analysis Date = 06/10/01 Pct Recovery = 140% Analysis Date = 06/08/01 Pct Recovery = 141% Analysis Date = 06/08/01 Pct Recovery = 141% Analysis Date = 06/06/01 Pct Recovery = 141% Analysis Date = 06/06/01 Pct Recovery = 141% Analysis Date = 06/05/01 Pct Recovery = 141% Analysis Date = 06/05/01 Pct Recovery = 141% Analysis Date = 06/03/01 Pct Recovery = 141% Analysis Date = 06/03/01 Pct Recovery = 141% Analysis Date = 06/01/01 Pct Recovery = 141% Analysis Date = 06/01/01 Pct Recovery = 141% Analysis Date = 05/30/01 Pct Recovery = 141% Analysis Date = 05/30/01 Pct Recovery = 141% Analysis Date = 05/29/01 Pct Recovery = 141% Analysis Date = 05/29/01 Pct Recovery = 141% Analysis Date = 05/27/01 Pct Recovery = 142% Analysis Date = 05/27/01 Pct Recovery = 142% Analysis Date = 05/25/01 Pct Recovery = 142% Analysis Date = 05/25/01 Pct Recovery = 142% Analysis Date = 05/24/01 Pct Recovery = 142% Analysis Date = 05/24/01 Pct Recovery = 142% Analysis Date = 05/22/01 Pct Recovery = 142% Analysis Date = 05/22/01 Pct Recovery = 142% Analysis Date = 05/20/01 Pct Recovery = 142% Analysis Date = 05/20/01 Pct Recovery = 142% Analysis Date = 05/18/01 Pct Recovery = 142% Analysis Date = 05/18/01 Pct Recovery = 142% Analysis Date = 05/17/01 Pct Recovery = 142% Analysis Date = 05/17/01 Pct Recovery = 142% Analysis Date = 05/15/01 Pct Recovery = 143% Analysis Date = 05/15/01 Pct Recovery = 143% Analysis Date = 05/13/01 Pct Recovery = 143% Analysis Date = 05/13/01 Pct Recovery = 143% Analysis Date = 05/11/01 Pct Recovery = 143% Analysis Date = 05/11/01 Pct Recovery = 143% Analysis Date = 05/10/01 Pct Recovery = 143% Analysis Date = 05/10/01 Pct Recovery = 143% Analysis Date = 05/08/01 Pct Recovery = 143% Analysis Date = 05/08/01 Pct Recovery = 143% Analysis Date = 05/06/01 Pct Recovery = 143% Analysis Date = 05/06/01 Pct Recovery = 143% Analysis Date = 05/04/01 Pct Recovery = 143% Analysis Date = 05/04/01 Pct Recovery = 143% Analysis Date = 05/03/01 Pct Recovery = 143% Analysis Date = 05/03/01 Pct Recovery = 143% Analysis Date = 05/01/01 Pct Recovery = 144% Analysis Date = 05/01/01 Pct Recovery = 144% Analysis Date = 04/29/01 Pct Recovery = 144% Analysis Date = 04/29/01 Pct Recovery = 144% Analysis Date = 04/27/01 Pct Recovery = 144% Analysis Date = 04/27/01 Pct Recovery = 144% Analysis Date = 04/26/01 Pct Recovery = 144% Analysis Date = 04/26/01 Pct Recovery = 144% Analysis Date = 04/24/01 Pct Recovery = 144% Analysis Date = 04/24/01 Pct Recovery = 144% Analysis Date = 04/22/01 Pct Recovery = 144% Analysis Date = 04/22/01 Pct Recovery = 144% Analysis Date = 04/20/01 Pct Recovery = 144% Analysis Date = 04/20/01 Pct Recovery = 144% Analysis Date = 04/19/01 Pct Recovery = 145% Analysis Date = 04/19/01 Pct Recovery = 145% Analysis Date = 04/17/01 Pct Recovery = 145% Analysis Date = 04/17/01 Pct Recovery = 145% Analysis Date = 04/15/01 Pct Recovery = 145% Analysis Date = 04/15/01 Pct Recovery = 145% Analysis Date = 04/13/01 Pct Recovery = 145% Analysis Date = 04/13/01 Pct Recovery = 145% Analysis Date = 04/12/01 Pct Recovery = 145% Analysis Date = 04/12/01 Pct Recovery = 145% Analysis Date = 04/10/01 Pct Recovery = 146% Analysis Date = 04/10/01 Pct Recovery = 146% Analysis Date = 04/08/01 Pct Recovery = 148% Analysis Date = 04/08/01 Pct Recovery = 148% Analysis Date = 04/06/01 Pct Recovery = 149% Analysis Date = 04/06/01 Pct Recovery = 149% Analysis Date = 04/05/01 Pct Recovery = 151% Analysis Date = 04/05/01 Pct Recovery = 151% Analysis Date = 04/03/01 Pct Recovery = 153% Analysis Date = 04/03/01 Pct Recovery = 153% Analysis Date = 04/01/01 Pct Recovery = 154% Analysis Date = 04/01/01 Pct Recovery = 154% Analysis Date = 03/30/01 Pct Recovery = 156% Analysis Date = 03/30/01 Pct Recovery = 156% Analysis Date = 03/29/01 Pct Recovery = 158% Analysis Date = 03/29/01 Pct Recovery = 158% Analysis Date = 03/27/01 Pct Recovery = 160% Analysis Date = 03/27/01 Pct Recovery = 160% Analysis Date = 03/25/01 Pct Recovery = 161% Analysis Date = 03/25/01 Pct Recovery = 161% Analysis Date = 03/24/01 Pct Recovery = 163% Analysis Date = 03/24/01 Pct Recovery = 163% Analysis Date = 03/22/01 Pct Recovery = 165% Analysis Date = 03/22/01 Pct Recovery = 165% Analysis Date = 03/20/01 Pct Recovery = 167% Analysis Date = 03/20/01 Pct Recovery = 167% Analysis Date = 03/18/01 Pct Recovery = 168% Analysis Date = 03/18/01 Pct Recovery = 168% Analysis Date = 03/17/01 Pct Recovery = 170% Analysis Date = 03/17/01 Pct Recovery = 170% Analysis Date = 03/15/01 Pct Recovery = 172% Analysis Date = 03/15/01 Pct Recovery = 172% Analysis Date = 03/13/01 Pct Recovery = 173% Analysis Date = 03/13/01 Pct Recovery = 173% Analysis Date = 03/11/01 Pct Recovery = 175% Analysis Date = 03/11/01 Pct Recovery = 175% Analysis Date = 03/10/01 Pct Recovery = 177% Analysis Date = 03/10/01 Pct Recovery = 177% Analysis Date = 03/08/01 Pct Recovery = 179% Analysis Date = 03/08/01 Pct Recovery = 179% Analysis Date = 03/06/01 Pct Recovery = 180% Analysis Date = 03/06/01 Pct Recovery = 180% Analysis Date = 03/04/01 Pct Recovery = 182% Analysis Date = 03/04/01 Pct Recovery = 182% Analysis Date = 03/03/01 Pct Recovery = 184% Analysis Date = 03/03/01 Pct Recovery = 184% Analysis Date = 03/01/01 Pct Recovery = 185% Analysis Date = 03/01/01 Pct Recovery = 185% Analysis Date = 02/27/01 Pct Recovery = 187% Analysis Date = 02/27/01 Pct Recovery = 187% Analysis Date = 02/25/01 Pct Recovery = 189% Analysis Date = 02/25/01 Pct Recovery = 189% Analysis Date = 02/24/01 Pct Recovery = 191% Analysis Date = 02/24/01 Pct Recovery = 191% Analysis Date = 02/22/01 Pct Recovery = 192% Analysis Date = 02/22/01 Pct Recovery = 192% Analysis Date = 02/20/01 Pct Recovery = 191% Analysis Date = 02/20/01 Pct Recovery = 191% Analysis Date = 02/18/01 Pct Recovery = 189% Analysis Date = 02/18/01 Pct Recovery = 189% Analysis Date = 02/17/01 Pct Recovery = 188% Analysis Date = 02/17/01 Pct Recovery = 188% Analysis Date = 02/15/01 Pct Recovery = 186% Analysis Date = 02/15/01 Pct Recovery = 186% Analysis Date = 02/13/01 Pct Recovery = 185% Analysis Date = 02/13/01 Pct Recovery = 185% Analysis Date = 02/11/01 Pct Recovery = 183% Analysis Date = 02/11/01 Pct Recovery = 183% Analysis Date = 02/10/01 Pct Recovery = 182% Analysis Date = 02/10/01 Pct Recovery = 182% Analysis Date = 02/08/01 Pct Recovery = 181% Analysis Date = 02/08/01 Pct Recovery = 181% Analysis Date = 02/06/01 Pct Recovery = 179% Analysis Date = 02/06/01 Pct Recovery = 179% Analysis Date = 02/04/01 Pct Recovery = 178% Analysis Date = 02/04/01 Pct Recovery = 178% Analysis Date = 02/03/01 Pct Recovery = 176% Analysis Date = 02/03/01 Pct Recovery = 176% Analysis Date = 02/01/01 Pct Recovery = 175% Analysis Date = 02/01/01 Pct Recovery = 175% Analysis Date = 01/30/01 Pct Recovery = 173% Analysis Date = 01/30/01 Pct Recovery = 173% Analysis Date = 01/28/01 Pct Recovery = 172% Analysis Date = 01/28/01 Pct Recovery = 172% Analysis Date = 01/27/01 Pct Recovery = 170% Analysis Date = 01/27/01 Pct Recovery = 170% Analysis Date = 01/25/01 Pct Recovery = 169% Analysis Date = 01/25/01 Pct Recovery = 169% Analysis Date = 01/23/01 Pct Recovery = 167% Analysis Date = 01/23/01 Pct Recovery = 167% Analysis Date = 01/22/01 Pct Recovery = 166% Analysis Date = 01/22/01 Pct Recovery = 166% Analysis Date = 01/20/01 Pct Recovery = 165% Analysis Date = 01/20/01 Pct Recovery = 165% Analysis Date = 01/18/01 Pct Recovery = 163% Analysis Date = 01/18/01 Pct Recovery = 163% Analysis Date = 01/16/01 Pct Recovery = 162% Analysis Date = 01/16/01 Pct Recovery = 162% Analysis Date = 01/15/01 Pct Recovery = 160% Analysis Date = 01/15/01 Pct Recovery = 160% Analysis Date = 01/13/01 Pct Recovery = 159% Analysis Date = 01/13/01 Pct Recovery = 159% Analysis Date = 01/11/01 Pct Recovery = 157% Analysis Date = 01/11/01 Pct Recovery = 157% Analysis Date = 01/09/01 Pct Recovery = 156% Analysis Date = 01/09/01 Pct Recovery = 156% Analysis Date = 01/08/01 Pct Recovery = 154% Analysis Date = 01/08/01 Pct Recovery = 154% Analysis Date = 01/06/01 Pct Recovery = 153% Analysis Date = 01/06/01 Pct Recovery = 153% Analysis Date = 01/04/01 Pct Recovery = 151% Analysis Date = 01/04/01 Pct Recovery = 151% Analysis Date = 01/02/01 Pct Recovery = 150% Analysis Date = 01/02/01 Pct Recovery = 150% Analysis Date = 01/01/01 Pct Recovery = 149% Analysis Date = 01/01/01 Pct Recovery = 149% Analysis Date = 12/30/00 Pct Recovery = 147% Analysis Date = 12/30/00 Pct Recovery = 147% Analysis Date = 12/28/00 Pct Recovery = 146% Analysis Date = 12/28/00 Pct Recovery = 146% Analysis Date = 12/26/00 Pct Recovery = 144% Analysis Date = 12/26/00 Pct Recovery = 144% Analysis Date = 12/25/00 Pct Recovery = 143% Analysis Date = 12/25/00 Pct Recovery = 143% Analysis Date = 12/23/00 Pct Recovery = 141% Analysis Date = 12/23/00 Pct Recovery = 141% Analysis Date = 12/21/00 Pct Recovery = 140% Analysis Date = 12/21/00 Pct Recovery = 140% Analysis Date = 12/19/00 Pct Recovery = 138% Analysis Date = 12/19/00 Pct Recovery = 138% Analysis Date = 12/18/00 Pct Recovery = 137% Analysis Date = 12/18/00 Pct Recovery = 137% Analysis Date = 12/16/00 Pct Recovery = 135% Analysis Date = 12/16/00 Pct Recovery = 135% Analysis Date = 12/14/00 Pct Recovery = 134% Analysis Date = 12/14/00 Pct Recovery = 134% Analysis Date = 12/12/00 Pct Recovery = 133% Analysis Date = 12/12/00 Pct Recovery = 133% Analysis Date = 12/11/00 Pct Recovery = 131% Analysis Date = 12/11/00 Pct Recovery = 131% Analysis Date = 12/09/00 Pct Recovery = 130% Analysis Date = 12/09/00 Pct Recovery = 130% Analysis Date = 12/07/00 Pct Recovery = 128% Analysis Date = 12/07/00 Pct Recovery = 128% Analysis Date = 12/05/00 Pct Recovery = 127% Analysis Date = 12/05/00 Pct Recovery = 127% Analysis Date = 12/04/00 Pct Recovery = 125% Analysis Date = 12/04/00 Pct Recovery = 125% Analysis Date = 12/02/00 Pct Recovery = 124% Analysis Date = 12/02/00 Pct Recovery = 124% Analysis Date = 11/30/00 Pct Recovery = 122% Analysis Date = 11/30/00 Pct Recovery = 122% Analysis Date = 11/28/00 Pct Recovery = 121% Analysis Date = 11/28/00 Pct Recovery = 121% Analysis Date = 11/27/00 Pct Recovery = 119% Analysis Date = 11/27/00 Pct Recovery = 119% Analysis Date = 11/25/00 Pct Recovery = 118% Analysis Date = 11/25/00 Pct Recovery = 118% Analysis Date = 11/23/00 Pct Recovery = 117% Analysis Date = 11/23/00 Pct Recovery = 117% Analysis Date = 11/22/00 Pct Recovery = 115% Analysis Date = 11/22/00 Pct Recovery = 115% Analysis Date = 11/20/00 Pct Recovery = 114% Analysis Date = 11/20/00 Pct Recovery = 114% Analysis Date = 11/18/00 Pct Recovery = 112% Analysis Date = 11/18/00 Pct Recovery = 112% Analysis Date = 11/16/00 Pct Recovery = 111% Analysis Date = 11/16/00 Pct Recovery = 111% Analysis Date = 11/15/00 Pct Recovery = 109% Analysis Date = 11/15/00 Pct Recovery = 109% Analysis Date = 11/13/00 Pct Recovery = 109% Analysis Date = 11/13/00 Pct Recovery = 109% Analysis Date = 11/11/00 Pct Recovery = 109% Analysis Date = 11/11/00 Pct Recovery = 109% Analysis Date = 11/09/00 Pct Recovery = 109% Analysis Date = 11/09/00 Pct Recovery = 109% Analysis Date = 11/08/00 Pct Recovery = 109% Analysis Date = 11/08/00 Pct Recovery = 109% Analysis Date = 11/06/00 Pct Recovery = 109% Analysis Date = 11/06/00 Pct Recovery = 109% Analysis Date = 11/04/00 Pct Recovery = 109% Analysis Date = 11/04/00 Pct Recovery = 109% Analysis Date = 11/02/00 Pct Recovery = 109% Analysis Date = 11/02/00 Pct Recovery = 109% Analysis Date = 11/01/00 Pct Recovery = 109% Analysis Date = 11/01/00 Pct Recovery = 109% Analysis Date = 10/30/00 Pct Recovery = 109% Analysis Date = 10/30/00 Pct Recovery = 109% Analysis Date = 10/28/00 Pct Recovery = 109% Analysis Date = 10/28/00 Pct Recovery = 109% Analysis Date = 10/26/00 Pct Recovery = 109% Analysis Date = 10/26/00 Pct Recovery = 109% Analysis Date = 10/25/00 Pct Recovery = 109% Analysis Date = 10/25/00 Pct Recovery = 109% Analysis Date = 10/23/00 Pct Recovery = 109% Analysis Date = 10/23/00 Pct Recovery = 109% Analysis Date = 10/21/00 Pct Recovery = 109% Analysis Date = 10/21/00 Pct Recovery = 109% Analysis Date = 10/19/00 Pct Recovery = 109% Analysis Date = 10/19/00 Pct Recovery = 109% Analysis Date = 10/18/00 Pct Recovery = 109% Analysis Date = 10/18/00 Pct Recovery = 109% Analysis Date = 10/16/00 Pct Recovery = 109% Analysis Date = 10/16/00 Pct Recovery = 109% Analysis Date = 10/14/00 Pct Recovery = 109% Analysis Date = 10/14/00 Pct Recovery = 109% Analysis Date = 10/12/00 Pct Recovery = 109% Analysis Date = 10/12/00 Pct Recovery = 109% Analysis Date = 10/11/00 Pct Recovery = 109% Analysis Date = 10/11/00 Pct Recovery = 109% Analysis Date = 10/09/00 Pct Recovery = 109% Analysis Date = 10/09/00 Pct Recovery = 109% Analysis Date = 10/07/00 Pct Recovery = 109% Analysis Date = 10/07/00 Pct Recovery = 109% Analysis Date = 10/05/00 Pct Recovery = 109% Analysis Date = 10/05/00 Pct Recovery = 109% Analysis Date = 10/04/00 Pct Recovery = 109% Analysis Date = 10/04/00 Pct Recovery = 109% Analysis Date = 10/02/00 Pct Recovery = 109% Analysis Date = 10/02/00 Pct Recovery = 109% Analysis Date = 09/30/00 Pct Recovery = 108% Analysis Date = 09/30/00 Pct Recovery = 108% Analysis Date = 09/28/00 Pct Recovery = 108% Analysis Date = 09/28/00 Pct Recovery = 108% Analysis Date = 09/27/00 Pct Recovery = 108% Analysis Date = 09/27/00 Pct Recovery = 108% Analysis Date = 09/25/00 Pct Recovery = 108% Analysis Date = 09/25/00 Pct Recovery = 108% Analysis Date = 09/23/00 Pct Recovery = 108% Analysis Date = 09/23/00 Pct Recovery = 108% Analysis Date = 09/22/00 Pct Recovery = 108% Analysis Date = 09/22/00 Pct Recovery = 108% Analysis Date = 09/20/00 Pct Recovery = 108% Analysis Date = 09/20/00 Pct Recovery = 108% Analysis Date = 09/18/00 Pct Recovery = 108% Analysis Date = 09/18/00 Pct Recovery = 108% Analysis Date = 09/16/00 Pct Recovery = 108% Analysis Date = 09/16/00 Pct Recovery = 108% Analysis Date = 09/15/00 Pct Recovery = 108% Analysis Date = 09/15/00 Pct Recovery = 108% Analysis Date = 09/13/00 Pct Recovery = 108% Analysis Date = 09/13/00 Pct Recovery = 108% Analysis Date = 09/11/00 Pct Recovery = 108% Analysis Date = 09/11/00 Pct Recovery = 108% Analysis Date = 09/09/00 Pct Recovery = 108% Analysis Date = 09/09/00 Pct Recovery = 108% Analysis Date = 09/08/00 Pct Recovery = 108% Analysis Date = 09/08/00 Pct Recovery = 108% Analysis Date = 09/06/00 Pct Recovery = 108% Analysis Date = 09/06/00 Pct Recovery = 108% Analysis Date = 09/04/00 Pct Recovery = 108% Analysis Date = 09/04/00 Pct Recovery = 108% Analysis Date = 09/02/00 Pct Recovery = 108% Analysis Date = 09/02/00 Pct Recovery = 108% Analysis Date = 09/01/00 Pct Recovery = 108% Analysis Date = 09/01/00 Pct Recovery = 108% Analysis Date = 08/30/00 Pct Recovery = 108% Analysis Date = 08/30/00 Pct Recovery = 108% Analysis Date = 08/28/00 Pct Recovery = 108% Analysis Date = 08/28/00 Pct Recovery = 108% Analysis Date = 08/26/00 Pct Recovery = 108% Analysis Date = 08/26/00 Pct Recovery = 108% Analysis Date = 08/25/00 Pct Recovery = 108% Analysis Date = 08/25/00 Pct Recovery = 108% Analysis Date = 08/23/00 Pct Recovery = 108% Analysis Date = 08/23/00 Pct Recovery = 108% Analysis Date = 08/21/00 Pct Recovery = 108% Analysis Date = 08/21/00 Pct Recovery = 108% Analysis Date = 08/19/00 Pct Recovery = 108% Analysis Date = 08/19/00 Pct Recovery = 108% Analysis Date = 08/18/00 Pct Recovery = 108% Analysis Date = 08/18/00 Pct Recovery = 108% Analysis Date = 08/16/00 Pct Recovery = 107% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
ACETONE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 3 158% 30% 145% 41%
>= Reporting Level 2 109% 1% 109% 1%
Total 5 138% 34% 136% 27%

Sample Statistics
ACETONE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 1 20% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 1 3% 1 out of 31

BQS OBSP Determination:
ACRYLONITRILE
METHOD: 4054 , TESTIDCODE: 34215GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 111% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 112% Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 114% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 104% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 128% Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 107% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 113% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 112% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 110% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 97% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 94% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 100% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 106% Analysis Date = 10/03/03 Pct Recovery = 96% Analysis Date = 09/28/03 Pct Recovery = 97% Analysis Date = 09/28/03 Pct Recovery = 97% Analysis Date = 09/22/03 Pct Recovery = 97% Analysis Date = 09/22/03 Pct Recovery = 97% Analysis Date = 09/16/03 Pct Recovery = 98% Analysis Date = 09/16/03 Pct Recovery = 98% Analysis Date = 09/11/03 Pct Recovery = 99% Analysis Date = 09/11/03 Pct Recovery = 99% Analysis Date = 09/05/03 Pct Recovery = 100% Analysis Date = 09/05/03 Pct Recovery = 100% Analysis Date = 08/30/03 Pct Recovery = 100% Analysis Date = 08/30/03 Pct Recovery = 100% Analysis Date = 08/24/03 Pct Recovery = 101% Analysis Date = 08/24/03 Pct Recovery = 101% Analysis Date = 08/19/03 Pct Recovery = 102% Analysis Date = 08/19/03 Pct Recovery = 102% Analysis Date = 08/13/03 Pct Recovery = 102% Analysis Date = 08/13/03 Pct Recovery = 102% Analysis Date = 08/07/03 Pct Recovery = 103% Analysis Date = 08/07/03 Pct Recovery = 103% Analysis Date = 08/02/03 Pct Recovery = 104% Analysis Date = 08/02/03 Pct Recovery = 104% Analysis Date = 07/27/03 Pct Recovery = 105% Analysis Date = 07/27/03 Pct Recovery = 105% Analysis Date = 07/21/03 Pct Recovery = 105% Analysis Date = 07/21/03 Pct Recovery = 105% Analysis Date = 07/15/03 Pct Recovery = 106% Analysis Date = 07/15/03 Pct Recovery = 106% Analysis Date = 07/10/03 Pct Recovery = 107% Analysis Date = 07/10/03 Pct Recovery = 107% Analysis Date = 07/04/03 Pct Recovery = 107% Analysis Date = 07/04/03 Pct Recovery = 107% Analysis Date = 06/28/03 Pct Recovery = 108% Analysis Date = 06/28/03 Pct Recovery = 108% Analysis Date = 06/23/03 Pct Recovery = 109% Analysis Date = 06/23/03 Pct Recovery = 109% Analysis Date = 06/17/03 Pct Recovery = 110% Analysis Date = 06/17/03 Pct Recovery = 110% Analysis Date = 06/11/03 Pct Recovery = 110% Analysis Date = 06/11/03 Pct Recovery = 110% Analysis Date = 06/05/03 Pct Recovery = 111% Analysis Date = 06/05/03 Pct Recovery = 111% Analysis Date = 05/31/03 Pct Recovery = 112% Analysis Date = 05/31/03 Pct Recovery = 112% Analysis Date = 05/25/03 Pct Recovery = 112% Analysis Date = 05/25/03 Pct Recovery = 112% Analysis Date = 05/19/03 Pct Recovery = 113% Analysis Date = 05/19/03 Pct Recovery = 113% Analysis Date = 05/14/03 Pct Recovery = 114% Analysis Date = 05/14/03 Pct Recovery = 114% Analysis Date = 05/08/03 Pct Recovery = 114% Analysis Date = 05/08/03 Pct Recovery = 114% Analysis Date = 05/02/03 Pct Recovery = 114% Analysis Date = 05/02/03 Pct Recovery = 114% Analysis Date = 04/26/03 Pct Recovery = 113% Analysis Date = 04/26/03 Pct Recovery = 113% Analysis Date = 04/21/03 Pct Recovery = 113% Analysis Date = 04/21/03 Pct Recovery = 113% Analysis Date = 04/15/03 Pct Recovery = 113% Analysis Date = 04/15/03 Pct Recovery = 113% Analysis Date = 04/09/03 Pct Recovery = 113% Analysis Date = 04/09/03 Pct Recovery = 113% Analysis Date = 04/04/03 Pct Recovery = 113% Analysis Date = 04/04/03 Pct Recovery = 113% Analysis Date = 03/29/03 Pct Recovery = 113% Analysis Date = 03/29/03 Pct Recovery = 113% Analysis Date = 03/23/03 Pct Recovery = 112% Analysis Date = 03/23/03 Pct Recovery = 112% Analysis Date = 03/17/03 Pct Recovery = 112% Analysis Date = 03/17/03 Pct Recovery = 112% Analysis Date = 03/12/03 Pct Recovery = 112% Analysis Date = 03/12/03 Pct Recovery = 112% Analysis Date = 03/06/03 Pct Recovery = 112% Analysis Date = 03/06/03 Pct Recovery = 112% Analysis Date = 02/28/03 Pct Recovery = 112% Analysis Date = 02/28/03 Pct Recovery = 112% Analysis Date = 02/22/03 Pct Recovery = 112% Analysis Date = 02/22/03 Pct Recovery = 112% Analysis Date = 02/17/03 Pct Recovery = 111% Analysis Date = 02/17/03 Pct Recovery = 111% Analysis Date = 02/11/03 Pct Recovery = 111% Analysis Date = 02/11/03 Pct Recovery = 111% Analysis Date = 02/05/03 Pct Recovery = 111% Analysis Date = 02/05/03 Pct Recovery = 111% Analysis Date = 01/31/03 Pct Recovery = 111% Analysis Date = 01/31/03 Pct Recovery = 111% Analysis Date = 01/25/03 Pct Recovery = 111% Analysis Date = 01/25/03 Pct Recovery = 111% Analysis Date = 01/19/03 Pct Recovery = 111% Analysis Date = 01/19/03 Pct Recovery = 111% Analysis Date = 01/13/03 Pct Recovery = 111% Analysis Date = 01/13/03 Pct Recovery = 111% Analysis Date = 01/08/03 Pct Recovery = 110% Analysis Date = 01/08/03 Pct Recovery = 110% Analysis Date = 01/02/03 Pct Recovery = 110% Analysis Date = 01/02/03 Pct Recovery = 110% Analysis Date = 12/27/02 Pct Recovery = 110% Analysis Date = 12/27/02 Pct Recovery = 110% Analysis Date = 12/22/02 Pct Recovery = 110% Analysis Date = 12/22/02 Pct Recovery = 110% Analysis Date = 12/16/02 Pct Recovery = 110% Analysis Date = 12/16/02 Pct Recovery = 110% Analysis Date = 12/10/02 Pct Recovery = 110% Analysis Date = 12/10/02 Pct Recovery = 110% Analysis Date = 12/04/02 Pct Recovery = 109% Analysis Date = 12/04/02 Pct Recovery = 109% Analysis Date = 11/29/02 Pct Recovery = 109% Analysis Date = 11/29/02 Pct Recovery = 109% Analysis Date = 11/23/02 Pct Recovery = 109% Analysis Date = 11/23/02 Pct Recovery = 109% Analysis Date = 11/17/02 Pct Recovery = 109% Analysis Date = 11/17/02 Pct Recovery = 109% Analysis Date = 11/12/02 Pct Recovery = 109% Analysis Date = 11/12/02 Pct Recovery = 109% Analysis Date = 11/06/02 Pct Recovery = 109% Analysis Date = 11/06/02 Pct Recovery = 109% Analysis Date = 10/31/02 Pct Recovery = 108% Analysis Date = 10/31/02 Pct Recovery = 108% Analysis Date = 10/25/02 Pct Recovery = 108% Analysis Date = 10/25/02 Pct Recovery = 108% Analysis Date = 10/20/02 Pct Recovery = 108% Analysis Date = 10/20/02 Pct Recovery = 108% Analysis Date = 10/14/02 Pct Recovery = 108% Analysis Date = 10/14/02 Pct Recovery = 108% Analysis Date = 10/08/02 Pct Recovery = 108% Analysis Date = 10/08/02 Pct Recovery = 108% Analysis Date = 10/03/02 Pct Recovery = 108% Analysis Date = 10/03/02 Pct Recovery = 108% Analysis Date = 09/27/02 Pct Recovery = 107% Analysis Date = 09/27/02 Pct Recovery = 107% Analysis Date = 09/21/02 Pct Recovery = 107% Analysis Date = 09/21/02 Pct Recovery = 107% Analysis Date = 09/15/02 Pct Recovery = 107% Analysis Date = 09/15/02 Pct Recovery = 107% Analysis Date = 09/10/02 Pct Recovery = 107% Analysis Date = 09/10/02 Pct Recovery = 107% Analysis Date = 09/04/02 Pct Recovery = 107% Analysis Date = 09/04/02 Pct Recovery = 107% Analysis Date = 08/29/02 Pct Recovery = 107% Analysis Date = 08/29/02 Pct Recovery = 107% Analysis Date = 08/24/02 Pct Recovery = 106% Analysis Date = 08/24/02 Pct Recovery = 106% Analysis Date = 08/18/02 Pct Recovery = 106% Analysis Date = 08/18/02 Pct Recovery = 106% Analysis Date = 08/12/02 Pct Recovery = 106% Analysis Date = 08/12/02 Pct Recovery = 106% Analysis Date = 08/06/02 Pct Recovery = 106% Analysis Date = 08/06/02 Pct Recovery = 106% Analysis Date = 08/01/02 Pct Recovery = 106% Analysis Date = 08/01/02 Pct Recovery = 106% Analysis Date = 07/26/02 Pct Recovery = 106% Analysis Date = 07/26/02 Pct Recovery = 106% Analysis Date = 07/20/02 Pct Recovery = 106% Analysis Date = 07/20/02 Pct Recovery = 106% Analysis Date = 07/14/02 Pct Recovery = 106% Analysis Date = 07/14/02 Pct Recovery = 106% Analysis Date = 07/09/02 Pct Recovery = 106% Analysis Date = 07/09/02 Pct Recovery = 106% Analysis Date = 07/03/02 Pct Recovery = 106% Analysis Date = 07/03/02 Pct Recovery = 106% Analysis Date = 06/27/02 Pct Recovery = 106% Analysis Date = 06/27/02 Pct Recovery = 106% Analysis Date = 06/22/02 Pct Recovery = 106% Analysis Date = 06/22/02 Pct Recovery = 106% Analysis Date = 06/16/02 Pct Recovery = 106% Analysis Date = 06/16/02 Pct Recovery = 106% Analysis Date = 06/10/02 Pct Recovery = 106% Analysis Date = 06/10/02 Pct Recovery = 106% Analysis Date = 06/04/02 Pct Recovery = 106% Analysis Date = 06/04/02 Pct Recovery = 106% Analysis Date = 05/30/02 Pct Recovery = 106% Analysis Date = 05/30/02 Pct Recovery = 106% Analysis Date = 05/24/02 Pct Recovery = 106% Analysis Date = 05/24/02 Pct Recovery = 106% Analysis Date = 05/18/02 Pct Recovery = 106% Analysis Date = 05/18/02 Pct Recovery = 106% Analysis Date = 05/13/02 Pct Recovery = 106% Analysis Date = 05/13/02 Pct Recovery = 106% Analysis Date = 05/07/02 Pct Recovery = 106% Analysis Date = 05/07/02 Pct Recovery = 106% Analysis Date = 05/01/02 Pct Recovery = 106% Analysis Date = 05/01/02 Pct Recovery = 106% Analysis Date = 04/25/02 Pct Recovery = 106% Analysis Date = 04/25/02 Pct Recovery = 106% Analysis Date = 04/20/02 Pct Recovery = 106% Analysis Date = 04/20/02 Pct Recovery = 106% Analysis Date = 04/14/02 Pct Recovery = 106% Analysis Date = 04/14/02 Pct Recovery = 106% Analysis Date = 04/08/02 Pct Recovery = 106% Analysis Date = 04/08/02 Pct Recovery = 106% Analysis Date = 04/03/02 Pct Recovery = 106% Analysis Date = 04/03/02 Pct Recovery = 106% Analysis Date = 03/28/02 Pct Recovery = 106% Analysis Date = 03/28/02 Pct Recovery = 106% Analysis Date = 03/22/02 Pct Recovery = 106% Analysis Date = 03/22/02 Pct Recovery = 106% Analysis Date = 03/16/02 Pct Recovery = 106% Analysis Date = 03/16/02 Pct Recovery = 106% Analysis Date = 03/11/02 Pct Recovery = 106% Analysis Date = 03/11/02 Pct Recovery = 106% Analysis Date = 03/05/02 Pct Recovery = 106% Analysis Date = 03/05/02 Pct Recovery = 106% Analysis Date = 02/27/02 Pct Recovery = 106% Analysis Date = 02/27/02 Pct Recovery = 106% Analysis Date = 02/22/02 Pct Recovery = 106% Analysis Date = 02/22/02 Pct Recovery = 106% Analysis Date = 02/16/02 Pct Recovery = 106% Analysis Date = 02/16/02 Pct Recovery = 106% Analysis Date = 02/10/02 Pct Recovery = 106% Analysis Date = 02/10/02 Pct Recovery = 106% Analysis Date = 02/04/02 Pct Recovery = 106% Analysis Date = 02/04/02 Pct Recovery = 106% Analysis Date = 01/30/02 Pct Recovery = 106% Analysis Date = 01/30/02 Pct Recovery = 106% Analysis Date = 01/24/02 Pct Recovery = 106% Analysis Date = 01/24/02 Pct Recovery = 106% Analysis Date = 01/18/02 Pct Recovery = 107% Analysis Date = 01/18/02 Pct Recovery = 107% Analysis Date = 01/13/02 Pct Recovery = 107% Analysis Date = 01/13/02 Pct Recovery = 107% Analysis Date = 01/07/02 Pct Recovery = 107% Analysis Date = 01/07/02 Pct Recovery = 107% Analysis Date = 01/01/02 Pct Recovery = 107% Analysis Date = 01/01/02 Pct Recovery = 107% Analysis Date = 12/26/01 Pct Recovery = 107% Analysis Date = 12/26/01 Pct Recovery = 107% Analysis Date = 12/21/01 Pct Recovery = 107% Analysis Date = 12/21/01 Pct Recovery = 107% Analysis Date = 12/15/01 Pct Recovery = 107% Analysis Date = 12/15/01 Pct Recovery = 107% Analysis Date = 12/09/01 Pct Recovery = 107% Analysis Date = 12/09/01 Pct Recovery = 107% Analysis Date = 12/03/01 Pct Recovery = 107% Analysis Date = 12/03/01 Pct Recovery = 107% Analysis Date = 11/28/01 Pct Recovery = 107% Analysis Date = 11/28/01 Pct Recovery = 107% Analysis Date = 11/22/01 Pct Recovery = 107% Analysis Date = 11/22/01 Pct Recovery = 107% Analysis Date = 11/16/01 Pct Recovery = 108% Analysis Date = 11/16/01 Pct Recovery = 108% Analysis Date = 11/11/01 Pct Recovery = 108% Analysis Date = 11/11/01 Pct Recovery = 108% Analysis Date = 11/05/01 Pct Recovery = 108% Analysis Date = 11/05/01 Pct Recovery = 108% Analysis Date = 10/30/01 Pct Recovery = 108% Analysis Date = 10/30/01 Pct Recovery = 108% Analysis Date = 10/24/01 Pct Recovery = 108% Analysis Date = 10/24/01 Pct Recovery = 108% Analysis Date = 10/19/01 Pct Recovery = 108% Analysis Date = 10/19/01 Pct Recovery = 108% Analysis Date = 10/13/01 Pct Recovery = 108% Analysis Date = 10/13/01 Pct Recovery = 108% Analysis Date = 10/07/01 Pct Recovery = 108% Analysis Date = 10/07/01 Pct Recovery = 108% Analysis Date = 10/02/01 Pct Recovery = 108% Analysis Date = 10/02/01 Pct Recovery = 108% Analysis Date = 09/26/01 Pct Recovery = 108% Analysis Date = 09/26/01 Pct Recovery = 108% Analysis Date = 09/20/01 Pct Recovery = 108% Analysis Date = 09/20/01 Pct Recovery = 108% Analysis Date = 09/14/01 Pct Recovery = 108% Analysis Date = 09/14/01 Pct Recovery = 108% Analysis Date = 09/09/01 Pct Recovery = 109% Analysis Date = 09/09/01 Pct Recovery = 109% Analysis Date = 09/03/01 Pct Recovery = 109% Analysis Date = 09/03/01 Pct Recovery = 109% Analysis Date = 08/28/01 Pct Recovery = 109% Analysis Date = 08/28/01 Pct Recovery = 109% Analysis Date = 08/23/01 Pct Recovery = 109% Analysis Date = 08/23/01 Pct Recovery = 109% Analysis Date = 08/17/01 Pct Recovery = 109% Analysis Date = 08/17/01 Pct Recovery = 109% Analysis Date = 08/11/01 Pct Recovery = 109% Analysis Date = 08/11/01 Pct Recovery = 109% Analysis Date = 08/05/01 Pct Recovery = 109% Analysis Date = 08/05/01 Pct Recovery = 109% Analysis Date = 07/31/01 Pct Recovery = 109% Analysis Date = 07/31/01 Pct Recovery = 109% Analysis Date = 07/25/01 Pct Recovery = 109% Analysis Date = 07/25/01 Pct Recovery = 109% Analysis Date = 07/19/01 Pct Recovery = 109% Analysis Date = 07/19/01 Pct Recovery = 109% Analysis Date = 07/14/01 Pct Recovery = 110% Analysis Date = 07/14/01 Pct Recovery = 110% Analysis Date = 07/08/01 Pct Recovery = 110% Analysis Date = 07/08/01 Pct Recovery = 110% Analysis Date = 07/02/01 Pct Recovery = 110% Analysis Date = 07/02/01 Pct Recovery = 110% Analysis Date = 06/26/01 Pct Recovery = 110% Analysis Date = 06/26/01 Pct Recovery = 110% Analysis Date = 06/21/01 Pct Recovery = 110% Analysis Date = 06/21/01 Pct Recovery = 110% Analysis Date = 06/15/01 Pct Recovery = 110% Analysis Date = 06/15/01 Pct Recovery = 110% Analysis Date = 06/09/01 Pct Recovery = 111% Analysis Date = 06/09/01 Pct Recovery = 111% Analysis Date = 06/04/01 Pct Recovery = 111% Analysis Date = 06/04/01 Pct Recovery = 111% Analysis Date = 05/29/01 Pct Recovery = 111% Analysis Date = 05/29/01 Pct Recovery = 111% Analysis Date = 05/23/01 Pct Recovery = 111% Analysis Date = 05/23/01 Pct Recovery = 111% Analysis Date = 05/17/01 Pct Recovery = 111% Analysis Date = 05/17/01 Pct Recovery = 111% Analysis Date = 05/12/01 Pct Recovery = 111% Analysis Date = 05/12/01 Pct Recovery = 111% Analysis Date = 05/06/01 Pct Recovery = 112% Analysis Date = 05/06/01 Pct Recovery = 112% Analysis Date = 04/30/01 Pct Recovery = 112% Analysis Date = 04/30/01 Pct Recovery = 112% Analysis Date = 04/24/01 Pct Recovery = 112% Analysis Date = 04/24/01 Pct Recovery = 112% Analysis Date = 04/19/01 Pct Recovery = 112% Analysis Date = 04/19/01 Pct Recovery = 112% Analysis Date = 04/13/01 Pct Recovery = 112% Analysis Date = 04/13/01 Pct Recovery = 112% Analysis Date = 04/07/01 Pct Recovery = 112% Analysis Date = 04/07/01 Pct Recovery = 112% Analysis Date = 04/02/01 Pct Recovery = 112% Analysis Date = 04/02/01 Pct Recovery = 112% Analysis Date = 03/27/01 Pct Recovery = 112% Analysis Date = 03/27/01 Pct Recovery = 112% Analysis Date = 03/21/01 Pct Recovery = 113% Analysis Date = 03/21/01 Pct Recovery = 113% Analysis Date = 03/15/01 Pct Recovery = 113% Analysis Date = 03/15/01 Pct Recovery = 113% Analysis Date = 03/10/01 Pct Recovery = 113% Analysis Date = 03/10/01 Pct Recovery = 113% Analysis Date = 03/04/01 Pct Recovery = 113% Analysis Date = 03/04/01 Pct Recovery = 113% Analysis Date = 02/26/01 Pct Recovery = 113% Analysis Date = 02/26/01 Pct Recovery = 113% Analysis Date = 02/21/01 Pct Recovery = 113% Analysis Date = 02/21/01 Pct Recovery = 113% Analysis Date = 02/15/01 Pct Recovery = 113% Analysis Date = 02/15/01 Pct Recovery = 113% Analysis Date = 02/09/01 Pct Recovery = 113% Analysis Date = 02/09/01 Pct Recovery = 113% Analysis Date = 02/03/01 Pct Recovery = 113% Analysis Date = 02/03/01 Pct Recovery = 113% Analysis Date = 01/29/01 Pct Recovery = 113% Analysis Date = 01/29/01 Pct Recovery = 113% Analysis Date = 01/23/01 Pct Recovery = 113% Analysis Date = 01/23/01 Pct Recovery = 113% Analysis Date = 01/17/01 Pct Recovery = 113% Analysis Date = 01/17/01 Pct Recovery = 113% Analysis Date = 01/12/01 Pct Recovery = 113% Analysis Date = 01/12/01 Pct Recovery = 113% Analysis Date = 01/06/01 Pct Recovery = 114% Analysis Date = 01/06/01 Pct Recovery = 114% Analysis Date = 12/31/00 Pct Recovery = 114% Analysis Date = 12/31/00 Pct Recovery = 114% Analysis Date = 12/25/00 Pct Recovery = 114% Analysis Date = 12/25/00 Pct Recovery = 114% Analysis Date = 12/20/00 Pct Recovery = 114% Analysis Date = 12/20/00 Pct Recovery = 114% Analysis Date = 12/14/00 Pct Recovery = 114% Analysis Date = 12/14/00 Pct Recovery = 114% Analysis Date = 12/08/00 Pct Recovery = 114% Analysis Date = 12/08/00 Pct Recovery = 114% Analysis Date = 12/03/00 Pct Recovery = 114% Analysis Date = 12/03/00 Pct Recovery = 114% Analysis Date = 11/27/00 Pct Recovery = 114% Analysis Date = 11/27/00 Pct Recovery = 114% Analysis Date = 11/21/00 Pct Recovery = 114% Analysis Date = 11/21/00 Pct Recovery = 114% Analysis Date = 11/15/00 Pct Recovery = 114% Analysis Date = 11/15/00 Pct Recovery = 114% Analysis Date = 11/10/00 Pct Recovery = 114% Analysis Date = 11/10/00 Pct Recovery = 114% Analysis Date = 11/04/00 Pct Recovery = 114% Analysis Date = 11/04/00 Pct Recovery = 114% Analysis Date = 10/29/00 Pct Recovery = 114% Analysis Date = 10/29/00 Pct Recovery = 114% Analysis Date = 10/24/00 Pct Recovery = 114% Analysis Date = 10/24/00 Pct Recovery = 114% Analysis Date = 10/18/00 Pct Recovery = 114% Analysis Date = 10/18/00 Pct Recovery = 114% Analysis Date = 10/12/00 Pct Recovery = 114% Analysis Date = 10/12/00 Pct Recovery = 114% Analysis Date = 10/06/00 Pct Recovery = 114% Analysis Date = 10/06/00 Pct Recovery = 114% Analysis Date = 10/01/00 Pct Recovery = 114% Analysis Date = 10/01/00 Pct Recovery = 114% Analysis Date = 09/25/00 Pct Recovery = 114% Analysis Date = 09/25/00 Pct Recovery = 114% Analysis Date = 09/19/00 Pct Recovery = 115% Analysis Date = 09/19/00 Pct Recovery = 115% Analysis Date = 09/13/00 Pct Recovery = 115% Analysis Date = 09/13/00 Pct Recovery = 115% Analysis Date = 09/08/00 Pct Recovery = 115% Analysis Date = 09/08/00 Pct Recovery = 115% Analysis Date = 09/02/00 Pct Recovery = 115% Analysis Date = 09/02/00 Pct Recovery = 115% Analysis Date = 08/27/00 Pct Recovery = 115% Analysis Date = 08/27/00 Pct Recovery = 115% Analysis Date = 08/22/00 Pct Recovery = 115% Analysis Date = 08/22/00 Pct Recovery = 115% Analysis Date = 08/16/00 Pct Recovery = 115% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
ACRYLONITRILE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 13 108% 9% 110% 6%
Total 13 108% 9% 110% 6%

Sample Statistics
ACRYLONITRILE

Characteristic N % % Basis
Plotted 13 76% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 3 18% Spiked
Spiked 17 .  
False Negatives 1 6% 1 out of 17
Not Spiked 19 .  
False Positives 0 0% 0 out of 19

BQS OBSP Determination:
BENZENE
METHOD: 4054 , TESTIDCODE: 34030GCM66
Open Data Set

Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 103% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 102% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 102% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 118% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 100% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 99% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 96% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 106% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 106% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 98% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 117% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 105% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 97% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 108% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 94% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 100% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 99% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 105% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 106% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 117% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 108% Analysis Date = 08/24/01 Pct Recovery = 108% Analysis Date = 08/22/01 Pct Recovery = 108% Analysis Date = 08/22/01 Pct Recovery = 108% Analysis Date = 08/19/01 Pct Recovery = 108% Analysis Date = 08/19/01 Pct Recovery = 108% Analysis Date = 08/16/01 Pct Recovery = 108% Analysis Date = 08/16/01 Pct Recovery = 108% Analysis Date = 08/13/01 Pct Recovery = 108% Analysis Date = 08/13/01 Pct Recovery = 108% Analysis Date = 08/10/01 Pct Recovery = 108% Analysis Date = 08/10/01 Pct Recovery = 108% Analysis Date = 08/07/01 Pct Recovery = 108% Analysis Date = 08/07/01 Pct Recovery = 108% Analysis Date = 08/04/01 Pct Recovery = 108% Analysis Date = 08/04/01 Pct Recovery = 108% Analysis Date = 08/01/01 Pct Recovery = 108% Analysis Date = 08/01/01 Pct Recovery = 108% Analysis Date = 07/29/01 Pct Recovery = 108% Analysis Date = 07/29/01 Pct Recovery = 108% Analysis Date = 07/26/01 Pct Recovery = 108% Analysis Date = 07/26/01 Pct Recovery = 108% Analysis Date = 07/23/01 Pct Recovery = 108% Analysis Date = 07/23/01 Pct Recovery = 108% Analysis Date = 07/20/01 Pct Recovery = 108% Analysis Date = 07/20/01 Pct Recovery = 108% Analysis Date = 07/17/01 Pct Recovery = 108% Analysis Date = 07/17/01 Pct Recovery = 108% Analysis Date = 07/14/01 Pct Recovery = 108% Analysis Date = 07/14/01 Pct Recovery = 108% Analysis Date = 07/11/01 Pct Recovery = 108% Analysis Date = 07/11/01 Pct Recovery = 108% Analysis Date = 07/08/01 Pct Recovery = 107% Analysis Date = 07/08/01 Pct Recovery = 107% Analysis Date = 07/05/01 Pct Recovery = 107% Analysis Date = 07/05/01 Pct Recovery = 107% Analysis Date = 07/02/01 Pct Recovery = 107% Analysis Date = 07/02/01 Pct Recovery = 107% Analysis Date = 06/29/01 Pct Recovery = 107% Analysis Date = 06/29/01 Pct Recovery = 107% Analysis Date = 06/26/01 Pct Recovery = 107% Analysis Date = 06/26/01 Pct Recovery = 107% Analysis Date = 06/23/01 Pct Recovery = 107% Analysis Date = 06/23/01 Pct Recovery = 107% Analysis Date = 06/20/01 Pct Recovery = 107% Analysis Date = 06/20/01 Pct Recovery = 107% Analysis Date = 06/17/01 Pct Recovery = 107% Analysis Date = 06/17/01 Pct Recovery = 107% Analysis Date = 06/15/01 Pct Recovery = 107% Analysis Date = 06/15/01 Pct Recovery = 107% Analysis Date = 06/12/01 Pct Recovery = 107% Analysis Date = 06/12/01 Pct Recovery = 107% Analysis Date = 06/09/01 Pct Recovery = 107% Analysis Date = 06/09/01 Pct Recovery = 107% Analysis Date = 06/06/01 Pct Recovery = 107% Analysis Date = 06/06/01 Pct Recovery = 107% Analysis Date = 06/03/01 Pct Recovery = 107% Analysis Date = 06/03/01 Pct Recovery = 107% Analysis Date = 05/31/01 Pct Recovery = 107% Analysis Date = 05/31/01 Pct Recovery = 107% Analysis Date = 05/28/01 Pct Recovery = 107% Analysis Date = 05/28/01 Pct Recovery = 107% Analysis Date = 05/25/01 Pct Recovery = 107% Analysis Date = 05/25/01 Pct Recovery = 107% Analysis Date = 05/22/01 Pct Recovery = 107% Analysis Date = 05/22/01 Pct Recovery = 107% Analysis Date = 05/19/01 Pct Recovery = 107% Analysis Date = 05/19/01 Pct Recovery = 107% Analysis Date = 05/16/01 Pct Recovery = 107% Analysis Date = 05/16/01 Pct Recovery = 107% Analysis Date = 05/13/01 Pct Recovery = 107% Analysis Date = 05/13/01 Pct Recovery = 107% Analysis Date = 05/10/01 Pct Recovery = 107% Analysis Date = 05/10/01 Pct Recovery = 107% Analysis Date = 05/07/01 Pct Recovery = 107% Analysis Date = 05/07/01 Pct Recovery = 107% Analysis Date = 05/04/01 Pct Recovery = 107% Analysis Date = 05/04/01 Pct Recovery = 107% Analysis Date = 05/01/01 Pct Recovery = 107% Analysis Date = 05/01/01 Pct Recovery = 107% Analysis Date = 04/28/01 Pct Recovery = 107% Analysis Date = 04/28/01 Pct Recovery = 107% Analysis Date = 04/25/01 Pct Recovery = 107% Analysis Date = 04/25/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 106% Analysis Date = 04/19/01 Pct Recovery = 106% Analysis Date = 04/16/01 Pct Recovery = 106% Analysis Date = 04/16/01 Pct Recovery = 106% Analysis Date = 04/13/01 Pct Recovery = 106% Analysis Date = 04/13/01 Pct Recovery = 106% Analysis Date = 04/10/01 Pct Recovery = 106% Analysis Date = 04/10/01 Pct Recovery = 106% Analysis Date = 04/08/01 Pct Recovery = 106% Analysis Date = 04/08/01 Pct Recovery = 106% Analysis Date = 04/05/01 Pct Recovery = 106% Analysis Date = 04/05/01 Pct Recovery = 106% Analysis Date = 04/02/01 Pct Recovery = 106% Analysis Date = 04/02/01 Pct Recovery = 106% Analysis Date = 03/30/01 Pct Recovery = 106% Analysis Date = 03/30/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/24/01 Pct Recovery = 106% Analysis Date = 03/24/01 Pct Recovery = 106% Analysis Date = 03/21/01 Pct Recovery = 106% Analysis Date = 03/21/01 Pct Recovery = 106% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/12/01 Pct Recovery = 106% Analysis Date = 03/12/01 Pct Recovery = 106% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 02/28/01 Pct Recovery = 106% Analysis Date = 02/28/01 Pct Recovery = 106% Analysis Date = 02/25/01 Pct Recovery = 106% Analysis Date = 02/25/01 Pct Recovery = 106% Analysis Date = 02/22/01 Pct Recovery = 105% Analysis Date = 02/22/01 Pct Recovery = 105% Analysis Date = 02/19/01 Pct Recovery = 105% Analysis Date = 02/19/01 Pct Recovery = 105% Analysis Date = 02/16/01 Pct Recovery = 105% Analysis Date = 02/16/01 Pct Recovery = 105% Analysis Date = 02/13/01 Pct Recovery = 105% Analysis Date = 02/13/01 Pct Recovery = 105% Analysis Date = 02/10/01 Pct Recovery = 105% Analysis Date = 02/10/01 Pct Recovery = 105% Analysis Date = 02/07/01 Pct Recovery = 105% Analysis Date = 02/07/01 Pct Recovery = 105% Analysis Date = 02/04/01 Pct Recovery = 105% Analysis Date = 02/04/01 Pct Recovery = 105% Analysis Date = 02/01/01 Pct Recovery = 105% Analysis Date = 02/01/01 Pct Recovery = 105% Analysis Date = 01/30/01 Pct Recovery = 105% Analysis Date = 01/30/01 Pct Recovery = 105% Analysis Date = 01/27/01 Pct Recovery = 105% Analysis Date = 01/27/01 Pct Recovery = 105% Analysis Date = 01/24/01 Pct Recovery = 105% Analysis Date = 01/24/01 Pct Recovery = 105% Analysis Date = 01/21/01 Pct Recovery = 105% Analysis Date = 01/21/01 Pct Recovery = 105% Analysis Date = 01/18/01 Pct Recovery = 104% Analysis Date = 01/18/01 Pct Recovery = 104% Analysis Date = 01/15/01 Pct Recovery = 104% Analysis Date = 01/15/01 Pct Recovery = 104% Analysis Date = 01/12/01 Pct Recovery = 104% Analysis Date = 01/12/01 Pct Recovery = 104% Analysis Date = 01/09/01 Pct Recovery = 104% Analysis Date = 01/09/01 Pct Recovery = 104% Analysis Date = 01/06/01 Pct Recovery = 104% Analysis Date = 01/06/01 Pct Recovery = 104% Analysis Date = 01/03/01 Pct Recovery = 104% Analysis Date = 01/03/01 Pct Recovery = 104% Analysis Date = 12/31/00 Pct Recovery = 104% Analysis Date = 12/31/00 Pct Recovery = 104% Analysis Date = 12/28/00 Pct Recovery = 104% Analysis Date = 12/28/00 Pct Recovery = 104% Analysis Date = 12/25/00 Pct Recovery = 104% Analysis Date = 12/25/00 Pct Recovery = 104% Analysis Date = 12/22/00 Pct Recovery = 104% Analysis Date = 12/22/00 Pct Recovery = 104% Analysis Date = 12/19/00 Pct Recovery = 104% Analysis Date = 12/19/00 Pct Recovery = 104% Analysis Date = 12/16/00 Pct Recovery = 103% Analysis Date = 12/16/00 Pct Recovery = 103% Analysis Date = 12/13/00 Pct Recovery = 103% Analysis Date = 12/13/00 Pct Recovery = 103% Analysis Date = 12/10/00 Pct Recovery = 103% Analysis Date = 12/10/00 Pct Recovery = 103% Analysis Date = 12/07/00 Pct Recovery = 103% Analysis Date = 12/07/00 Pct Recovery = 103% Analysis Date = 12/04/00 Pct Recovery = 103% Analysis Date = 12/04/00 Pct Recovery = 103% Analysis Date = 12/01/00 Pct Recovery = 103% Analysis Date = 12/01/00 Pct Recovery = 103% Analysis Date = 11/28/00 Pct Recovery = 103% Analysis Date = 11/28/00 Pct Recovery = 103% Analysis Date = 11/25/00 Pct Recovery = 103% Analysis Date = 11/25/00 Pct Recovery = 103% Analysis Date = 11/23/00 Pct Recovery = 103% Analysis Date = 11/23/00 Pct Recovery = 103% Analysis Date = 11/20/00 Pct Recovery = 103% Analysis Date = 11/20/00 Pct Recovery = 103% Analysis Date = 11/17/00 Pct Recovery = 103% Analysis Date = 11/17/00 Pct Recovery = 103% Analysis Date = 11/14/00 Pct Recovery = 103% Analysis Date = 11/14/00 Pct Recovery = 103% Analysis Date = 11/11/00 Pct Recovery = 103% Analysis Date = 11/11/00 Pct Recovery = 103% Analysis Date = 11/08/00 Pct Recovery = 103% Analysis Date = 11/08/00 Pct Recovery = 103% Analysis Date = 11/05/00 Pct Recovery = 103% Analysis Date = 11/05/00 Pct Recovery = 103% Analysis Date = 11/02/00 Pct Recovery = 103% Analysis Date = 11/02/00 Pct Recovery = 103% Analysis Date = 10/30/00 Pct Recovery = 103% Analysis Date = 10/30/00 Pct Recovery = 103% Analysis Date = 10/27/00 Pct Recovery = 103% Analysis Date = 10/27/00 Pct Recovery = 103% Analysis Date = 10/24/00 Pct Recovery = 103% Analysis Date = 10/24/00 Pct Recovery = 103% Analysis Date = 10/21/00 Pct Recovery = 103% Analysis Date = 10/21/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/15/00 Pct Recovery = 103% Analysis Date = 10/15/00 Pct Recovery = 103% Analysis Date = 10/12/00 Pct Recovery = 103% Analysis Date = 10/12/00 Pct Recovery = 103% Analysis Date = 10/09/00 Pct Recovery = 103% Analysis Date = 10/09/00 Pct Recovery = 103% Analysis Date = 10/06/00 Pct Recovery = 103% Analysis Date = 10/06/00 Pct Recovery = 103% Analysis Date = 10/03/00 Pct Recovery = 103% Analysis Date = 10/03/00 Pct Recovery = 103% Analysis Date = 09/30/00 Pct Recovery = 103% Analysis Date = 09/30/00 Pct Recovery = 103% Analysis Date = 09/27/00 Pct Recovery = 103% Analysis Date = 09/27/00 Pct Recovery = 103% Analysis Date = 09/24/00 Pct Recovery = 103% Analysis Date = 09/24/00 Pct Recovery = 103% Analysis Date = 09/21/00 Pct Recovery = 103% Analysis Date = 09/21/00 Pct Recovery = 103% Analysis Date = 09/18/00 Pct Recovery = 102% Analysis Date = 09/18/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/10/00 Pct Recovery = 102% Analysis Date = 09/10/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/01/00 Pct Recovery = 102% Analysis Date = 09/01/00 Pct Recovery = 102% Analysis Date = 08/29/00 Pct Recovery = 102% Analysis Date = 08/29/00 Pct Recovery = 102% Analysis Date = 08/26/00 Pct Recovery = 102% Analysis Date = 08/26/00 Pct Recovery = 102% Analysis Date = 08/23/00 Pct Recovery = 102% Analysis Date = 08/23/00 Pct Recovery = 102% Analysis Date = 08/20/00 Pct Recovery = 102% Analysis Date = 08/20/00 Pct Recovery = 102% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 101% Analysis Date = 08/05/00 Pct Recovery = 101% Analysis Date = 08/02/00 Pct Recovery = 101% Analysis Date = 08/02/00 Pct Recovery = 101% Analysis Date = 07/30/00 Pct Recovery = 101% Analysis Date = 07/30/00 Pct Recovery = 101% Analysis Date = 07/27/00 Pct Recovery = 101% Analysis Date = 07/27/00 Pct Recovery = 101% Analysis Date = 07/24/00 Pct Recovery = 101% Analysis Date = 07/24/00 Pct Recovery = 101% Analysis Date = 07/21/00 Pct Recovery = 101% Analysis Date = 07/21/00 Pct Recovery = 101% Analysis Date = 07/18/00 Pct Recovery = 101% Analysis Date = 07/18/00 Pct Recovery = 101% Analysis Date = 07/15/00 Pct Recovery = 101% Analysis Date = 07/15/00 Pct Recovery = 101% Analysis Date = 07/12/00 Pct Recovery = 102% Analysis Date = 07/12/00 Pct Recovery = 102% Analysis Date = 07/09/00 Pct Recovery = 102% Analysis Date = 07/09/00 Pct Recovery = 102% Analysis Date = 07/07/00 Pct Recovery = 102% Analysis Date = 07/07/00 Pct Recovery = 102% Analysis Date = 07/04/00 Pct Recovery = 102% Analysis Date = 07/04/00 Pct Recovery = 102% Analysis Date = 07/01/00 Pct Recovery = 102% Analysis Date = 07/01/00 Pct Recovery = 102% Analysis Date = 06/28/00 Pct Recovery = 102% Analysis Date = 06/28/00 Pct Recovery = 102% Analysis Date = 06/25/00 Pct Recovery = 102% Analysis Date = 06/25/00 Pct Recovery = 102% Analysis Date = 06/22/00 Pct Recovery = 102% Analysis Date = 06/22/00 Pct Recovery = 102% Analysis Date = 06/19/00 Pct Recovery = 102% Analysis Date = 06/19/00 Pct Recovery = 102% Analysis Date = 06/16/00 Pct Recovery = 102% Analysis Date = 06/16/00 Pct Recovery = 102% Analysis Date = 06/13/00 Pct Recovery = 102% Analysis Date = 06/13/00 Pct Recovery = 102% Analysis Date = 06/10/00 Pct Recovery = 102% Analysis Date = 06/10/00 Pct Recovery = 102% Analysis Date = 06/07/00 Pct Recovery = 103% Analysis Date = 06/07/00 Pct Recovery = 103% Analysis Date = 06/04/00 Pct Recovery = 103% Analysis Date = 06/04/00 Pct Recovery = 103% Analysis Date = 06/01/00 Pct Recovery = 103% Analysis Date = 06/01/00 Pct Recovery = 103% Analysis Date = 05/29/00 Pct Recovery = 103% Analysis Date = 05/29/00 Pct Recovery = 103% Analysis Date = 05/26/00 Pct Recovery = 103% Analysis Date = 05/26/00 Pct Recovery = 103% Analysis Date = 05/23/00 Pct Recovery = 103% Analysis Date = 05/23/00 Pct Recovery = 103% Analysis Date = 05/20/00 Pct Recovery = 103% Analysis Date = 05/20/00 Pct Recovery = 103% Analysis Date = 05/17/00 Pct Recovery = 103% Analysis Date = 05/17/00 Pct Recovery = 103% Analysis Date = 05/14/00 Pct Recovery = 104% Analysis Date = 05/14/00 Pct Recovery = 104% Analysis Date = 05/11/00 Pct Recovery = 104% Analysis Date = 05/11/00 Pct Recovery = 104% Analysis Date = 05/08/00 Pct Recovery = 104% Analysis Date = 05/08/00 Pct Recovery = 104% Analysis Date = 05/05/00 Pct Recovery = 104% Analysis Date = 05/05/00 Pct Recovery = 104% Analysis Date = 05/02/00 Pct Recovery = 104% Analysis Date = 05/02/00 Pct Recovery = 104% Analysis Date = 04/30/00 Pct Recovery = 104% Analysis Date = 04/30/00 Pct Recovery = 104% Analysis Date = 04/27/00 Pct Recovery = 104% Analysis Date = 04/27/00 Pct Recovery = 104% Analysis Date = 04/24/00 Pct Recovery = 104% Analysis Date = 04/24/00 Pct Recovery = 104% Analysis Date = 04/21/00 Pct Recovery = 104% Analysis Date = 04/21/00 Pct Recovery = 104% Analysis Date = 04/18/00 Pct Recovery = 104% Analysis Date = 04/18/00 Pct Recovery = 104% Analysis Date = 04/15/00 Pct Recovery = 104% Analysis Date = 04/15/00 Pct Recovery = 104% Analysis Date = 04/12/00 Pct Recovery = 103% Analysis Date = 04/12/00 Pct Recovery = 103% Analysis Date = 04/09/00 Pct Recovery = 103% Analysis Date = 04/09/00 Pct Recovery = 103% Analysis Date = 04/06/00 Pct Recovery = 103% Analysis Date = 04/06/00 Pct Recovery = 103% Analysis Date = 04/03/00 Pct Recovery = 103% Analysis Date = 04/03/00 Pct Recovery = 103% Analysis Date = 03/31/00 Pct Recovery = 103% Analysis Date = 03/31/00 Pct Recovery = 103% Analysis Date = 03/28/00 Pct Recovery = 103% Analysis Date = 03/28/00 Pct Recovery = 103% Analysis Date = 03/25/00 Pct Recovery = 102% Analysis Date = 03/25/00 Pct Recovery = 102% Analysis Date = 03/22/00 Pct Recovery = 102% Analysis Date = 03/22/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/16/00 Pct Recovery = 103% Analysis Date = 03/16/00 Pct Recovery = 103% Analysis Date = 03/13/00 Pct Recovery = 103% Analysis Date = 03/13/00 Pct Recovery = 103% Analysis Date = 03/10/00 Pct Recovery = 103% Analysis Date = 03/10/00 Pct Recovery = 103% Analysis Date = 03/07/00 Pct Recovery = 103% Analysis Date = 03/07/00 Pct Recovery = 103% Analysis Date = 03/04/00 Pct Recovery = 103% Analysis Date = 03/04/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 02/27/00 Pct Recovery = 103% Analysis Date = 02/27/00 Pct Recovery = 103% Analysis Date = 02/24/00 Pct Recovery = 103% Analysis Date = 02/24/00 Pct Recovery = 103% Analysis Date = 02/22/00 Pct Recovery = 104% Analysis Date = 02/22/00 Pct Recovery = 104% Analysis Date = 02/19/00 Pct Recovery = 104% Analysis Date = 02/19/00 Pct Recovery = 104% Analysis Date = 02/16/00 Pct Recovery = 104% Analysis Date = 02/16/00 Pct Recovery = 104% Analysis Date = 02/13/00 Pct Recovery = 105% Analysis Date = 02/13/00 Pct Recovery = 105% Analysis Date = 02/10/00 Pct Recovery = 105% Analysis Date = 02/10/00 Pct Recovery = 105% Analysis Date = 02/07/00 Pct Recovery = 105% Analysis Date = 02/07/00 Pct Recovery = 105% Analysis Date = 02/04/00 Pct Recovery = 106% Analysis Date = 02/04/00 Pct Recovery = 106% Analysis Date = 02/01/00 Pct Recovery = 106% Analysis Date = 02/01/00 Pct Recovery = 106% Analysis Date = 01/29/00 Pct Recovery = 106% Analysis Date = 01/29/00 Pct Recovery = 106% Analysis Date = 01/26/00 Pct Recovery = 106% Analysis Date = 01/26/00 Pct Recovery = 106% Analysis Date = 01/23/00 Pct Recovery = 107% Analysis Date = 01/23/00 Pct Recovery = 107% Analysis Date = 01/20/00 Pct Recovery = 107% Analysis Date = 01/20/00 Pct Recovery = 107% Analysis Date = 01/17/00 Pct Recovery = 107% Analysis Date = 01/17/00 Pct Recovery = 107% Analysis Date = 01/14/00 Pct Recovery = 108% Analysis Date = 01/14/00 Pct Recovery = 108% Analysis Date = 01/11/00 Pct Recovery = 108% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
BENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 104% 7% 103% 5%
Total 21 104% 7% 103% 5%

Sample Statistics
BENZENE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
BROMOBENZENE
METHOD: 4054 , TESTIDCODE: 81555GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 109% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 103% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 106% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 105% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 100% Analysis Date = 11/15/00 Pct Recovery = 109% Analysis Date = 11/13/00 Pct Recovery = 109% Analysis Date = 11/13/00 Pct Recovery = 109% Analysis Date = 11/12/00 Pct Recovery = 109% Analysis Date = 11/12/00 Pct Recovery = 109% Analysis Date = 11/11/00 Pct Recovery = 109% Analysis Date = 11/11/00 Pct Recovery = 109% Analysis Date = 11/10/00 Pct Recovery = 109% Analysis Date = 11/10/00 Pct Recovery = 109% Analysis Date = 11/08/00 Pct Recovery = 109% Analysis Date = 11/08/00 Pct Recovery = 109% Analysis Date = 11/07/00 Pct Recovery = 108% Analysis Date = 11/07/00 Pct Recovery = 108% Analysis Date = 11/06/00 Pct Recovery = 108% Analysis Date = 11/06/00 Pct Recovery = 108% Analysis Date = 11/04/00 Pct Recovery = 108% Analysis Date = 11/04/00 Pct Recovery = 108% Analysis Date = 11/03/00 Pct Recovery = 108% Analysis Date = 11/03/00 Pct Recovery = 108% Analysis Date = 11/02/00 Pct Recovery = 108% Analysis Date = 11/02/00 Pct Recovery = 108% Analysis Date = 10/31/00 Pct Recovery = 108% Analysis Date = 10/31/00 Pct Recovery = 108% Analysis Date = 10/30/00 Pct Recovery = 108% Analysis Date = 10/30/00 Pct Recovery = 108% Analysis Date = 10/29/00 Pct Recovery = 108% Analysis Date = 10/29/00 Pct Recovery = 108% Analysis Date = 10/27/00 Pct Recovery = 108% Analysis Date = 10/27/00 Pct Recovery = 108% Analysis Date = 10/26/00 Pct Recovery = 108% Analysis Date = 10/26/00 Pct Recovery = 108% Analysis Date = 10/25/00 Pct Recovery = 108% Analysis Date = 10/25/00 Pct Recovery = 108% Analysis Date = 10/23/00 Pct Recovery = 107% Analysis Date = 10/23/00 Pct Recovery = 107% Analysis Date = 10/22/00 Pct Recovery = 107% Analysis Date = 10/22/00 Pct Recovery = 107% Analysis Date = 10/21/00 Pct Recovery = 107% Analysis Date = 10/21/00 Pct Recovery = 107% Analysis Date = 10/19/00 Pct Recovery = 107% Analysis Date = 10/19/00 Pct Recovery = 107% Analysis Date = 10/18/00 Pct Recovery = 107% Analysis Date = 10/18/00 Pct Recovery = 107% Analysis Date = 10/17/00 Pct Recovery = 107% Analysis Date = 10/17/00 Pct Recovery = 107% Analysis Date = 10/15/00 Pct Recovery = 107% Analysis Date = 10/15/00 Pct Recovery = 107% Analysis Date = 10/14/00 Pct Recovery = 107% Analysis Date = 10/14/00 Pct Recovery = 107% Analysis Date = 10/13/00 Pct Recovery = 107% Analysis Date = 10/13/00 Pct Recovery = 107% Analysis Date = 10/11/00 Pct Recovery = 107% Analysis Date = 10/11/00 Pct Recovery = 107% Analysis Date = 10/10/00 Pct Recovery = 107% Analysis Date = 10/10/00 Pct Recovery = 107% Analysis Date = 10/09/00 Pct Recovery = 106% Analysis Date = 10/09/00 Pct Recovery = 106% Analysis Date = 10/07/00 Pct Recovery = 106% Analysis Date = 10/07/00 Pct Recovery = 106% Analysis Date = 10/06/00 Pct Recovery = 106% Analysis Date = 10/06/00 Pct Recovery = 106% Analysis Date = 10/05/00 Pct Recovery = 106% Analysis Date = 10/05/00 Pct Recovery = 106% Analysis Date = 10/03/00 Pct Recovery = 106% Analysis Date = 10/03/00 Pct Recovery = 106% Analysis Date = 10/02/00 Pct Recovery = 106% Analysis Date = 10/02/00 Pct Recovery = 106% Analysis Date = 10/01/00 Pct Recovery = 106% Analysis Date = 10/01/00 Pct Recovery = 106% Analysis Date = 09/29/00 Pct Recovery = 106% Analysis Date = 09/29/00 Pct Recovery = 106% Analysis Date = 09/28/00 Pct Recovery = 106% Analysis Date = 09/28/00 Pct Recovery = 106% Analysis Date = 09/27/00 Pct Recovery = 106% Analysis Date = 09/27/00 Pct Recovery = 106% Analysis Date = 09/25/00 Pct Recovery = 106% Analysis Date = 09/25/00 Pct Recovery = 106% Analysis Date = 09/24/00 Pct Recovery = 105% Analysis Date = 09/24/00 Pct Recovery = 105% Analysis Date = 09/23/00 Pct Recovery = 105% Analysis Date = 09/23/00 Pct Recovery = 105% Analysis Date = 09/21/00 Pct Recovery = 105% Analysis Date = 09/21/00 Pct Recovery = 105% Analysis Date = 09/20/00 Pct Recovery = 105% Analysis Date = 09/20/00 Pct Recovery = 105% Analysis Date = 09/19/00 Pct Recovery = 105% Analysis Date = 09/19/00 Pct Recovery = 105% Analysis Date = 09/17/00 Pct Recovery = 105% Analysis Date = 09/17/00 Pct Recovery = 105% Analysis Date = 09/16/00 Pct Recovery = 105% Analysis Date = 09/16/00 Pct Recovery = 105% Analysis Date = 09/15/00 Pct Recovery = 105% Analysis Date = 09/15/00 Pct Recovery = 105% Analysis Date = 09/13/00 Pct Recovery = 105% Analysis Date = 09/13/00 Pct Recovery = 105% Analysis Date = 09/12/00 Pct Recovery = 105% Analysis Date = 09/12/00 Pct Recovery = 105% Analysis Date = 09/11/00 Pct Recovery = 105% Analysis Date = 09/11/00 Pct Recovery = 105% Analysis Date = 09/09/00 Pct Recovery = 104% Analysis Date = 09/09/00 Pct Recovery = 104% Analysis Date = 09/08/00 Pct Recovery = 104% Analysis Date = 09/08/00 Pct Recovery = 104% Analysis Date = 09/07/00 Pct Recovery = 104% Analysis Date = 09/07/00 Pct Recovery = 104% Analysis Date = 09/05/00 Pct Recovery = 104% Analysis Date = 09/05/00 Pct Recovery = 104% Analysis Date = 09/04/00 Pct Recovery = 104% Analysis Date = 09/04/00 Pct Recovery = 104% Analysis Date = 09/03/00 Pct Recovery = 104% Analysis Date = 09/03/00 Pct Recovery = 104% Analysis Date = 09/01/00 Pct Recovery = 104% Analysis Date = 09/01/00 Pct Recovery = 104% Analysis Date = 08/31/00 Pct Recovery = 104% Analysis Date = 08/31/00 Pct Recovery = 104% Analysis Date = 08/30/00 Pct Recovery = 104% Analysis Date = 08/30/00 Pct Recovery = 104% Analysis Date = 08/28/00 Pct Recovery = 104% Analysis Date = 08/28/00 Pct Recovery = 104% Analysis Date = 08/27/00 Pct Recovery = 104% Analysis Date = 08/27/00 Pct Recovery = 104% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/24/00 Pct Recovery = 103% Analysis Date = 08/24/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/22/00 Pct Recovery = 103% Analysis Date = 08/22/00 Pct Recovery = 103% Analysis Date = 08/20/00 Pct Recovery = 103% Analysis Date = 08/20/00 Pct Recovery = 103% Analysis Date = 08/19/00 Pct Recovery = 103% Analysis Date = 08/19/00 Pct Recovery = 103% Analysis Date = 08/18/00 Pct Recovery = 103% Analysis Date = 08/18/00 Pct Recovery = 103% Analysis Date = 08/17/00 Pct Recovery = 103% Analysis Date = 08/17/00 Pct Recovery = 103% Analysis Date = 08/15/00 Pct Recovery = 103% Analysis Date = 08/15/00 Pct Recovery = 103% Analysis Date = 08/14/00 Pct Recovery = 103% Analysis Date = 08/14/00 Pct Recovery = 103% Analysis Date = 08/13/00 Pct Recovery = 103% Analysis Date = 08/13/00 Pct Recovery = 103% Analysis Date = 08/11/00 Pct Recovery = 103% Analysis Date = 08/11/00 Pct Recovery = 103% Analysis Date = 08/10/00 Pct Recovery = 103% Analysis Date = 08/10/00 Pct Recovery = 103% Analysis Date = 08/09/00 Pct Recovery = 103% Analysis Date = 08/09/00 Pct Recovery = 103% Analysis Date = 08/07/00 Pct Recovery = 103% Analysis Date = 08/07/00 Pct Recovery = 103% Analysis Date = 08/06/00 Pct Recovery = 103% Analysis Date = 08/06/00 Pct Recovery = 103% Analysis Date = 08/05/00 Pct Recovery = 103% Analysis Date = 08/05/00 Pct Recovery = 103% Analysis Date = 08/03/00 Pct Recovery = 103% Analysis Date = 08/03/00 Pct Recovery = 103% Analysis Date = 08/02/00 Pct Recovery = 103% Analysis Date = 08/02/00 Pct Recovery = 103% Analysis Date = 08/01/00 Pct Recovery = 104% Analysis Date = 08/01/00 Pct Recovery = 104% Analysis Date = 07/30/00 Pct Recovery = 104% Analysis Date = 07/30/00 Pct Recovery = 104% Analysis Date = 07/29/00 Pct Recovery = 104% Analysis Date = 07/29/00 Pct Recovery = 104% Analysis Date = 07/28/00 Pct Recovery = 104% Analysis Date = 07/28/00 Pct Recovery = 104% Analysis Date = 07/26/00 Pct Recovery = 104% Analysis Date = 07/26/00 Pct Recovery = 104% Analysis Date = 07/25/00 Pct Recovery = 104% Analysis Date = 07/25/00 Pct Recovery = 104% Analysis Date = 07/24/00 Pct Recovery = 104% Analysis Date = 07/24/00 Pct Recovery = 104% Analysis Date = 07/22/00 Pct Recovery = 104% Analysis Date = 07/22/00 Pct Recovery = 104% Analysis Date = 07/21/00 Pct Recovery = 104% Analysis Date = 07/21/00 Pct Recovery = 104% Analysis Date = 07/20/00 Pct Recovery = 104% Analysis Date = 07/20/00 Pct Recovery = 104% Analysis Date = 07/18/00 Pct Recovery = 104% Analysis Date = 07/18/00 Pct Recovery = 104% Analysis Date = 07/17/00 Pct Recovery = 104% Analysis Date = 07/17/00 Pct Recovery = 104% Analysis Date = 07/16/00 Pct Recovery = 104% Analysis Date = 07/16/00 Pct Recovery = 104% Analysis Date = 07/14/00 Pct Recovery = 104% Analysis Date = 07/14/00 Pct Recovery = 104% Analysis Date = 07/13/00 Pct Recovery = 104% Analysis Date = 07/13/00 Pct Recovery = 104% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/10/00 Pct Recovery = 105% Analysis Date = 07/10/00 Pct Recovery = 105% Analysis Date = 07/09/00 Pct Recovery = 105% Analysis Date = 07/09/00 Pct Recovery = 105% Analysis Date = 07/08/00 Pct Recovery = 105% Analysis Date = 07/08/00 Pct Recovery = 105% Analysis Date = 07/06/00 Pct Recovery = 105% Analysis Date = 07/06/00 Pct Recovery = 105% Analysis Date = 07/05/00 Pct Recovery = 105% Analysis Date = 07/05/00 Pct Recovery = 105% Analysis Date = 07/04/00 Pct Recovery = 105% Analysis Date = 07/04/00 Pct Recovery = 105% Analysis Date = 07/02/00 Pct Recovery = 105% Analysis Date = 07/02/00 Pct Recovery = 105% Analysis Date = 07/01/00 Pct Recovery = 105% Analysis Date = 07/01/00 Pct Recovery = 105% Analysis Date = 06/30/00 Pct Recovery = 105% Analysis Date = 06/30/00 Pct Recovery = 105% Analysis Date = 06/28/00 Pct Recovery = 105% Analysis Date = 06/28/00 Pct Recovery = 105% Analysis Date = 06/27/00 Pct Recovery = 105% Analysis Date = 06/27/00 Pct Recovery = 105% Analysis Date = 06/26/00 Pct Recovery = 105% Analysis Date = 06/26/00 Pct Recovery = 105% Analysis Date = 06/24/00 Pct Recovery = 105% Analysis Date = 06/24/00 Pct Recovery = 105% Analysis Date = 06/23/00 Pct Recovery = 105% Analysis Date = 06/23/00 Pct Recovery = 105% Analysis Date = 06/22/00 Pct Recovery = 105% Analysis Date = 06/22/00 Pct Recovery = 105% Analysis Date = 06/20/00 Pct Recovery = 105% Analysis Date = 06/20/00 Pct Recovery = 105% Analysis Date = 06/19/00 Pct Recovery = 106% Analysis Date = 06/19/00 Pct Recovery = 106% Analysis Date = 06/18/00 Pct Recovery = 106% Analysis Date = 06/18/00 Pct Recovery = 106% Analysis Date = 06/16/00 Pct Recovery = 106% Analysis Date = 06/16/00 Pct Recovery = 106% Analysis Date = 06/15/00 Pct Recovery = 106% Analysis Date = 06/15/00 Pct Recovery = 106% Analysis Date = 06/14/00 Pct Recovery = 106% Analysis Date = 06/14/00 Pct Recovery = 106% Analysis Date = 06/12/00 Pct Recovery = 106% Analysis Date = 06/12/00 Pct Recovery = 106% Analysis Date = 06/11/00 Pct Recovery = 106% Analysis Date = 06/11/00 Pct Recovery = 106% Analysis Date = 06/10/00 Pct Recovery = 106% Analysis Date = 06/10/00 Pct Recovery = 106% Analysis Date = 06/08/00 Pct Recovery = 106% Analysis Date = 06/08/00 Pct Recovery = 106% Analysis Date = 06/07/00 Pct Recovery = 106% Analysis Date = 06/07/00 Pct Recovery = 106% Analysis Date = 06/06/00 Pct Recovery = 106% Analysis Date = 06/06/00 Pct Recovery = 106% Analysis Date = 06/04/00 Pct Recovery = 106% Analysis Date = 06/04/00 Pct Recovery = 106% Analysis Date = 06/03/00 Pct Recovery = 106% Analysis Date = 06/03/00 Pct Recovery = 106% Analysis Date = 06/02/00 Pct Recovery = 106% Analysis Date = 06/02/00 Pct Recovery = 106% Analysis Date = 05/31/00 Pct Recovery = 106% Analysis Date = 05/31/00 Pct Recovery = 106% Analysis Date = 05/30/00 Pct Recovery = 105% Analysis Date = 05/30/00 Pct Recovery = 105% Analysis Date = 05/29/00 Pct Recovery = 105% Analysis Date = 05/29/00 Pct Recovery = 105% Analysis Date = 05/27/00 Pct Recovery = 105% Analysis Date = 05/27/00 Pct Recovery = 105% Analysis Date = 05/26/00 Pct Recovery = 105% Analysis Date = 05/26/00 Pct Recovery = 105% Analysis Date = 05/25/00 Pct Recovery = 105% Analysis Date = 05/25/00 Pct Recovery = 105% Analysis Date = 05/24/00 Pct Recovery = 105% Analysis Date = 05/24/00 Pct Recovery = 105% Analysis Date = 05/22/00 Pct Recovery = 105% Analysis Date = 05/22/00 Pct Recovery = 105% Analysis Date = 05/21/00 Pct Recovery = 105% Analysis Date = 05/21/00 Pct Recovery = 105% Analysis Date = 05/20/00 Pct Recovery = 105% Analysis Date = 05/20/00 Pct Recovery = 105% Analysis Date = 05/18/00 Pct Recovery = 105% Analysis Date = 05/18/00 Pct Recovery = 105% Analysis Date = 05/17/00 Pct Recovery = 105% Analysis Date = 05/17/00 Pct Recovery = 105% Analysis Date = 05/16/00 Pct Recovery = 105% Analysis Date = 05/16/00 Pct Recovery = 105% Analysis Date = 05/14/00 Pct Recovery = 105% Analysis Date = 05/14/00 Pct Recovery = 105% Analysis Date = 05/13/00 Pct Recovery = 105% Analysis Date = 05/13/00 Pct Recovery = 105% Analysis Date = 05/12/00 Pct Recovery = 105% Analysis Date = 05/12/00 Pct Recovery = 105% Analysis Date = 05/10/00 Pct Recovery = 105% Analysis Date = 05/10/00 Pct Recovery = 105% Analysis Date = 05/09/00 Pct Recovery = 105% Analysis Date = 05/09/00 Pct Recovery = 105% Analysis Date = 05/08/00 Pct Recovery = 105% Analysis Date = 05/08/00 Pct Recovery = 105% Analysis Date = 05/06/00 Pct Recovery = 105% Analysis Date = 05/06/00 Pct Recovery = 105% Analysis Date = 05/05/00 Pct Recovery = 105% Analysis Date = 05/05/00 Pct Recovery = 105% Analysis Date = 05/04/00 Pct Recovery = 105% Analysis Date = 05/04/00 Pct Recovery = 105% Analysis Date = 05/02/00 Pct Recovery = 105% Analysis Date = 05/02/00 Pct Recovery = 105% Analysis Date = 05/01/00 Pct Recovery = 105% Analysis Date = 05/01/00 Pct Recovery = 105% Analysis Date = 04/30/00 Pct Recovery = 105% Analysis Date = 04/30/00 Pct Recovery = 105% Analysis Date = 04/28/00 Pct Recovery = 105% Analysis Date = 04/28/00 Pct Recovery = 105% Analysis Date = 04/27/00 Pct Recovery = 105% Analysis Date = 04/27/00 Pct Recovery = 105% Analysis Date = 04/26/00 Pct Recovery = 105% Analysis Date = 04/26/00 Pct Recovery = 105% Analysis Date = 04/24/00 Pct Recovery = 105% Analysis Date = 04/24/00 Pct Recovery = 105% Analysis Date = 04/23/00 Pct Recovery = 105% Analysis Date = 04/23/00 Pct Recovery = 105% Analysis Date = 04/22/00 Pct Recovery = 105% Analysis Date = 04/22/00 Pct Recovery = 105% Analysis Date = 04/20/00 Pct Recovery = 104% Analysis Date = 04/20/00 Pct Recovery = 104% Analysis Date = 04/19/00 Pct Recovery = 104% Analysis Date = 04/19/00 Pct Recovery = 104% Analysis Date = 04/18/00 Pct Recovery = 104% Analysis Date = 04/18/00 Pct Recovery = 104% Analysis Date = 04/16/00 Pct Recovery = 104% Analysis Date = 04/16/00 Pct Recovery = 104% Analysis Date = 04/15/00 Pct Recovery = 104% Analysis Date = 04/15/00 Pct Recovery = 104% Analysis Date = 04/14/00 Pct Recovery = 104% Analysis Date = 04/14/00 Pct Recovery = 104% Analysis Date = 04/12/00 Pct Recovery = 104% Analysis Date = 04/12/00 Pct Recovery = 104% Analysis Date = 04/11/00 Pct Recovery = 104% Analysis Date = 04/11/00 Pct Recovery = 104% Analysis Date = 04/10/00 Pct Recovery = 104% Analysis Date = 04/10/00 Pct Recovery = 104% Analysis Date = 04/08/00 Pct Recovery = 104% Analysis Date = 04/08/00 Pct Recovery = 104% Analysis Date = 04/07/00 Pct Recovery = 103% Analysis Date = 04/07/00 Pct Recovery = 103% Analysis Date = 04/06/00 Pct Recovery = 103% Analysis Date = 04/06/00 Pct Recovery = 103% Analysis Date = 04/04/00 Pct Recovery = 103% Analysis Date = 04/04/00 Pct Recovery = 103% Analysis Date = 04/03/00 Pct Recovery = 103% Analysis Date = 04/03/00 Pct Recovery = 103% Analysis Date = 04/02/00 Pct Recovery = 103% Analysis Date = 04/02/00 Pct Recovery = 103% Analysis Date = 03/31/00 Pct Recovery = 103% Analysis Date = 03/31/00 Pct Recovery = 103% Analysis Date = 03/30/00 Pct Recovery = 103% Analysis Date = 03/30/00 Pct Recovery = 103% Analysis Date = 03/29/00 Pct Recovery = 103% Analysis Date = 03/29/00 Pct Recovery = 103% Analysis Date = 03/27/00 Pct Recovery = 103% Analysis Date = 03/27/00 Pct Recovery = 103% Analysis Date = 03/26/00 Pct Recovery = 102% Analysis Date = 03/26/00 Pct Recovery = 102% Analysis Date = 03/25/00 Pct Recovery = 102% Analysis Date = 03/25/00 Pct Recovery = 102% Analysis Date = 03/23/00 Pct Recovery = 102% Analysis Date = 03/23/00 Pct Recovery = 102% Analysis Date = 03/22/00 Pct Recovery = 102% Analysis Date = 03/22/00 Pct Recovery = 102% Analysis Date = 03/21/00 Pct Recovery = 102% Analysis Date = 03/21/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/18/00 Pct Recovery = 102% Analysis Date = 03/18/00 Pct Recovery = 102% Analysis Date = 03/17/00 Pct Recovery = 102% Analysis Date = 03/17/00 Pct Recovery = 102% Analysis Date = 03/15/00 Pct Recovery = 102% Analysis Date = 03/15/00 Pct Recovery = 102% Analysis Date = 03/14/00 Pct Recovery = 102% Analysis Date = 03/14/00 Pct Recovery = 102% Analysis Date = 03/13/00 Pct Recovery = 101% Analysis Date = 03/13/00 Pct Recovery = 101% Analysis Date = 03/11/00 Pct Recovery = 101% Analysis Date = 03/11/00 Pct Recovery = 101% Analysis Date = 03/10/00 Pct Recovery = 101% Analysis Date = 03/10/00 Pct Recovery = 101% Analysis Date = 03/09/00 Pct Recovery = 101% Analysis Date = 03/09/00 Pct Recovery = 101% Analysis Date = 03/07/00 Pct Recovery = 101% Analysis Date = 03/07/00 Pct Recovery = 101% Analysis Date = 03/06/00 Pct Recovery = 101% Analysis Date = 03/06/00 Pct Recovery = 101% Analysis Date = 03/05/00 Pct Recovery = 101% Analysis Date = 03/05/00 Pct Recovery = 101% Analysis Date = 03/03/00 Pct Recovery = 101% Analysis Date = 03/03/00 Pct Recovery = 101% Analysis Date = 03/02/00 Pct Recovery = 101% Analysis Date = 03/02/00 Pct Recovery = 101% Analysis Date = 03/01/00 Pct Recovery = 101% Analysis Date = 03/01/00 Pct Recovery = 101% Analysis Date = 02/28/00 Pct Recovery = 100% Analysis Date = 02/28/00 Pct Recovery = 100% Analysis Date = 02/27/00 Pct Recovery = 100% Analysis Date = 02/27/00 Pct Recovery = 100% Analysis Date = 02/26/00 Pct Recovery = 100% Analysis Date = 02/26/00 Pct Recovery = 100% Analysis Date = 02/25/00 Pct Recovery = 100% Analysis Date = 02/25/00 Pct Recovery = 100% Analysis Date = 02/23/00 Pct Recovery = 100% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
BROMOBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 105% 3% 105% 2%
Total 5 105% 3% 105% 2%

Sample Statistics
BROMOBENZENE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
BROMOCHLOROMETHANE
METHOD: 4054 , TESTIDCODE: 77297GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 110% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 102% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 104% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 98% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 103% Analysis Date = 11/15/00 Pct Recovery = 110% Analysis Date = 11/13/00 Pct Recovery = 110% Analysis Date = 11/13/00 Pct Recovery = 110% Analysis Date = 11/12/00 Pct Recovery = 110% Analysis Date = 11/12/00 Pct Recovery = 110% Analysis Date = 11/11/00 Pct Recovery = 110% Analysis Date = 11/11/00 Pct Recovery = 110% Analysis Date = 11/10/00 Pct Recovery = 110% Analysis Date = 11/10/00 Pct Recovery = 110% Analysis Date = 11/08/00 Pct Recovery = 109% Analysis Date = 11/08/00 Pct Recovery = 109% Analysis Date = 11/07/00 Pct Recovery = 109% Analysis Date = 11/07/00 Pct Recovery = 109% Analysis Date = 11/06/00 Pct Recovery = 109% Analysis Date = 11/06/00 Pct Recovery = 109% Analysis Date = 11/04/00 Pct Recovery = 109% Analysis Date = 11/04/00 Pct Recovery = 109% Analysis Date = 11/03/00 Pct Recovery = 109% Analysis Date = 11/03/00 Pct Recovery = 109% Analysis Date = 11/02/00 Pct Recovery = 109% Analysis Date = 11/02/00 Pct Recovery = 109% Analysis Date = 10/31/00 Pct Recovery = 109% Analysis Date = 10/31/00 Pct Recovery = 109% Analysis Date = 10/30/00 Pct Recovery = 109% Analysis Date = 10/30/00 Pct Recovery = 109% Analysis Date = 10/29/00 Pct Recovery = 108% Analysis Date = 10/29/00 Pct Recovery = 108% Analysis Date = 10/27/00 Pct Recovery = 108% Analysis Date = 10/27/00 Pct Recovery = 108% Analysis Date = 10/26/00 Pct Recovery = 108% Analysis Date = 10/26/00 Pct Recovery = 108% Analysis Date = 10/25/00 Pct Recovery = 108% Analysis Date = 10/25/00 Pct Recovery = 108% Analysis Date = 10/23/00 Pct Recovery = 108% Analysis Date = 10/23/00 Pct Recovery = 108% Analysis Date = 10/22/00 Pct Recovery = 108% Analysis Date = 10/22/00 Pct Recovery = 108% Analysis Date = 10/21/00 Pct Recovery = 108% Analysis Date = 10/21/00 Pct Recovery = 108% Analysis Date = 10/19/00 Pct Recovery = 108% Analysis Date = 10/19/00 Pct Recovery = 108% Analysis Date = 10/18/00 Pct Recovery = 108% Analysis Date = 10/18/00 Pct Recovery = 108% Analysis Date = 10/17/00 Pct Recovery = 107% Analysis Date = 10/17/00 Pct Recovery = 107% Analysis Date = 10/15/00 Pct Recovery = 107% Analysis Date = 10/15/00 Pct Recovery = 107% Analysis Date = 10/14/00 Pct Recovery = 107% Analysis Date = 10/14/00 Pct Recovery = 107% Analysis Date = 10/13/00 Pct Recovery = 107% Analysis Date = 10/13/00 Pct Recovery = 107% Analysis Date = 10/11/00 Pct Recovery = 107% Analysis Date = 10/11/00 Pct Recovery = 107% Analysis Date = 10/10/00 Pct Recovery = 107% Analysis Date = 10/10/00 Pct Recovery = 107% Analysis Date = 10/09/00 Pct Recovery = 107% Analysis Date = 10/09/00 Pct Recovery = 107% Analysis Date = 10/07/00 Pct Recovery = 107% Analysis Date = 10/07/00 Pct Recovery = 107% Analysis Date = 10/06/00 Pct Recovery = 106% Analysis Date = 10/06/00 Pct Recovery = 106% Analysis Date = 10/05/00 Pct Recovery = 106% Analysis Date = 10/05/00 Pct Recovery = 106% Analysis Date = 10/03/00 Pct Recovery = 106% Analysis Date = 10/03/00 Pct Recovery = 106% Analysis Date = 10/02/00 Pct Recovery = 106% Analysis Date = 10/02/00 Pct Recovery = 106% Analysis Date = 10/01/00 Pct Recovery = 106% Analysis Date = 10/01/00 Pct Recovery = 106% Analysis Date = 09/29/00 Pct Recovery = 106% Analysis Date = 09/29/00 Pct Recovery = 106% Analysis Date = 09/28/00 Pct Recovery = 106% Analysis Date = 09/28/00 Pct Recovery = 106% Analysis Date = 09/27/00 Pct Recovery = 106% Analysis Date = 09/27/00 Pct Recovery = 106% Analysis Date = 09/25/00 Pct Recovery = 106% Analysis Date = 09/25/00 Pct Recovery = 106% Analysis Date = 09/24/00 Pct Recovery = 105% Analysis Date = 09/24/00 Pct Recovery = 105% Analysis Date = 09/23/00 Pct Recovery = 105% Analysis Date = 09/23/00 Pct Recovery = 105% Analysis Date = 09/21/00 Pct Recovery = 105% Analysis Date = 09/21/00 Pct Recovery = 105% Analysis Date = 09/20/00 Pct Recovery = 105% Analysis Date = 09/20/00 Pct Recovery = 105% Analysis Date = 09/19/00 Pct Recovery = 105% Analysis Date = 09/19/00 Pct Recovery = 105% Analysis Date = 09/17/00 Pct Recovery = 105% Analysis Date = 09/17/00 Pct Recovery = 105% Analysis Date = 09/16/00 Pct Recovery = 105% Analysis Date = 09/16/00 Pct Recovery = 105% Analysis Date = 09/15/00 Pct Recovery = 105% Analysis Date = 09/15/00 Pct Recovery = 105% Analysis Date = 09/13/00 Pct Recovery = 105% Analysis Date = 09/13/00 Pct Recovery = 105% Analysis Date = 09/12/00 Pct Recovery = 104% Analysis Date = 09/12/00 Pct Recovery = 104% Analysis Date = 09/11/00 Pct Recovery = 104% Analysis Date = 09/11/00 Pct Recovery = 104% Analysis Date = 09/09/00 Pct Recovery = 104% Analysis Date = 09/09/00 Pct Recovery = 104% Analysis Date = 09/08/00 Pct Recovery = 104% Analysis Date = 09/08/00 Pct Recovery = 104% Analysis Date = 09/07/00 Pct Recovery = 104% Analysis Date = 09/07/00 Pct Recovery = 104% Analysis Date = 09/05/00 Pct Recovery = 104% Analysis Date = 09/05/00 Pct Recovery = 104% Analysis Date = 09/04/00 Pct Recovery = 104% Analysis Date = 09/04/00 Pct Recovery = 104% Analysis Date = 09/03/00 Pct Recovery = 104% Analysis Date = 09/03/00 Pct Recovery = 104% Analysis Date = 09/01/00 Pct Recovery = 103% Analysis Date = 09/01/00 Pct Recovery = 103% Analysis Date = 08/31/00 Pct Recovery = 103% Analysis Date = 08/31/00 Pct Recovery = 103% Analysis Date = 08/30/00 Pct Recovery = 103% Analysis Date = 08/30/00 Pct Recovery = 103% Analysis Date = 08/28/00 Pct Recovery = 103% Analysis Date = 08/28/00 Pct Recovery = 103% Analysis Date = 08/27/00 Pct Recovery = 103% Analysis Date = 08/27/00 Pct Recovery = 103% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/24/00 Pct Recovery = 103% Analysis Date = 08/24/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/22/00 Pct Recovery = 103% Analysis Date = 08/22/00 Pct Recovery = 103% Analysis Date = 08/20/00 Pct Recovery = 102% Analysis Date = 08/20/00 Pct Recovery = 102% Analysis Date = 08/19/00 Pct Recovery = 102% Analysis Date = 08/19/00 Pct Recovery = 102% Analysis Date = 08/18/00 Pct Recovery = 102% Analysis Date = 08/18/00 Pct Recovery = 102% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/15/00 Pct Recovery = 102% Analysis Date = 08/15/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/13/00 Pct Recovery = 102% Analysis Date = 08/13/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/10/00 Pct Recovery = 102% Analysis Date = 08/10/00 Pct Recovery = 102% Analysis Date = 08/09/00 Pct Recovery = 102% Analysis Date = 08/09/00 Pct Recovery = 102% Analysis Date = 08/07/00 Pct Recovery = 102% Analysis Date = 08/07/00 Pct Recovery = 102% Analysis Date = 08/06/00 Pct Recovery = 102% Analysis Date = 08/06/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/03/00 Pct Recovery = 102% Analysis Date = 08/03/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 08/01/00 Pct Recovery = 102% Analysis Date = 08/01/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/29/00 Pct Recovery = 102% Analysis Date = 07/29/00 Pct Recovery = 102% Analysis Date = 07/28/00 Pct Recovery = 102% Analysis Date = 07/28/00 Pct Recovery = 102% Analysis Date = 07/26/00 Pct Recovery = 103% Analysis Date = 07/26/00 Pct Recovery = 103% Analysis Date = 07/25/00 Pct Recovery = 103% Analysis Date = 07/25/00 Pct Recovery = 103% Analysis Date = 07/24/00 Pct Recovery = 103% Analysis Date = 07/24/00 Pct Recovery = 103% Analysis Date = 07/22/00 Pct Recovery = 103% Analysis Date = 07/22/00 Pct Recovery = 103% Analysis Date = 07/21/00 Pct Recovery = 103% Analysis Date = 07/21/00 Pct Recovery = 103% Analysis Date = 07/20/00 Pct Recovery = 103% Analysis Date = 07/20/00 Pct Recovery = 103% Analysis Date = 07/18/00 Pct Recovery = 103% Analysis Date = 07/18/00 Pct Recovery = 103% Analysis Date = 07/17/00 Pct Recovery = 103% Analysis Date = 07/17/00 Pct Recovery = 103% Analysis Date = 07/16/00 Pct Recovery = 103% Analysis Date = 07/16/00 Pct Recovery = 103% Analysis Date = 07/14/00 Pct Recovery = 103% Analysis Date = 07/14/00 Pct Recovery = 103% Analysis Date = 07/13/00 Pct Recovery = 103% Analysis Date = 07/13/00 Pct Recovery = 103% Analysis Date = 07/12/00 Pct Recovery = 103% Analysis Date = 07/12/00 Pct Recovery = 103% Analysis Date = 07/10/00 Pct Recovery = 103% Analysis Date = 07/10/00 Pct Recovery = 103% Analysis Date = 07/09/00 Pct Recovery = 103% Analysis Date = 07/09/00 Pct Recovery = 103% Analysis Date = 07/08/00 Pct Recovery = 103% Analysis Date = 07/08/00 Pct Recovery = 103% Analysis Date = 07/06/00 Pct Recovery = 103% Analysis Date = 07/06/00 Pct Recovery = 103% Analysis Date = 07/05/00 Pct Recovery = 103% Analysis Date = 07/05/00 Pct Recovery = 103% Analysis Date = 07/04/00 Pct Recovery = 103% Analysis Date = 07/04/00 Pct Recovery = 103% Analysis Date = 07/02/00 Pct Recovery = 103% Analysis Date = 07/02/00 Pct Recovery = 103% Analysis Date = 07/01/00 Pct Recovery = 103% Analysis Date = 07/01/00 Pct Recovery = 103% Analysis Date = 06/30/00 Pct Recovery = 103% Analysis Date = 06/30/00 Pct Recovery = 103% Analysis Date = 06/28/00 Pct Recovery = 103% Analysis Date = 06/28/00 Pct Recovery = 103% Analysis Date = 06/27/00 Pct Recovery = 103% Analysis Date = 06/27/00 Pct Recovery = 103% Analysis Date = 06/26/00 Pct Recovery = 103% Analysis Date = 06/26/00 Pct Recovery = 103% Analysis Date = 06/24/00 Pct Recovery = 103% Analysis Date = 06/24/00 Pct Recovery = 103% Analysis Date = 06/23/00 Pct Recovery = 103% Analysis Date = 06/23/00 Pct Recovery = 103% Analysis Date = 06/22/00 Pct Recovery = 103% Analysis Date = 06/22/00 Pct Recovery = 103% Analysis Date = 06/20/00 Pct Recovery = 103% Analysis Date = 06/20/00 Pct Recovery = 103% Analysis Date = 06/19/00 Pct Recovery = 103% Analysis Date = 06/19/00 Pct Recovery = 103% Analysis Date = 06/18/00 Pct Recovery = 104% Analysis Date = 06/18/00 Pct Recovery = 104% Analysis Date = 06/16/00 Pct Recovery = 104% Analysis Date = 06/16/00 Pct Recovery = 104% Analysis Date = 06/15/00 Pct Recovery = 104% Analysis Date = 06/15/00 Pct Recovery = 104% Analysis Date = 06/14/00 Pct Recovery = 103% Analysis Date = 06/14/00 Pct Recovery = 103% Analysis Date = 06/12/00 Pct Recovery = 103% Analysis Date = 06/12/00 Pct Recovery = 103% Analysis Date = 06/11/00 Pct Recovery = 103% Analysis Date = 06/11/00 Pct Recovery = 103% Analysis Date = 06/10/00 Pct Recovery = 103% Analysis Date = 06/10/00 Pct Recovery = 103% Analysis Date = 06/08/00 Pct Recovery = 103% Analysis Date = 06/08/00 Pct Recovery = 103% Analysis Date = 06/07/00 Pct Recovery = 103% Analysis Date = 06/07/00 Pct Recovery = 103% Analysis Date = 06/06/00 Pct Recovery = 103% Analysis Date = 06/06/00 Pct Recovery = 103% Analysis Date = 06/04/00 Pct Recovery = 102% Analysis Date = 06/04/00 Pct Recovery = 102% Analysis Date = 06/03/00 Pct Recovery = 102% Analysis Date = 06/03/00 Pct Recovery = 102% Analysis Date = 06/02/00 Pct Recovery = 102% Analysis Date = 06/02/00 Pct Recovery = 102% Analysis Date = 05/31/00 Pct Recovery = 102% Analysis Date = 05/31/00 Pct Recovery = 102% Analysis Date = 05/30/00 Pct Recovery = 102% Analysis Date = 05/30/00 Pct Recovery = 102% Analysis Date = 05/29/00 Pct Recovery = 102% Analysis Date = 05/29/00 Pct Recovery = 102% Analysis Date = 05/27/00 Pct Recovery = 101% Analysis Date = 05/27/00 Pct Recovery = 101% Analysis Date = 05/26/00 Pct Recovery = 101% Analysis Date = 05/26/00 Pct Recovery = 101% Analysis Date = 05/25/00 Pct Recovery = 101% Analysis Date = 05/25/00 Pct Recovery = 101% Analysis Date = 05/24/00 Pct Recovery = 101% Analysis Date = 05/24/00 Pct Recovery = 101% Analysis Date = 05/22/00 Pct Recovery = 101% Analysis Date = 05/22/00 Pct Recovery = 101% Analysis Date = 05/21/00 Pct Recovery = 101% Analysis Date = 05/21/00 Pct Recovery = 101% Analysis Date = 05/20/00 Pct Recovery = 100% Analysis Date = 05/20/00 Pct Recovery = 100% Analysis Date = 05/18/00 Pct Recovery = 100% Analysis Date = 05/18/00 Pct Recovery = 100% Analysis Date = 05/17/00 Pct Recovery = 100% Analysis Date = 05/17/00 Pct Recovery = 100% Analysis Date = 05/16/00 Pct Recovery = 100% Analysis Date = 05/16/00 Pct Recovery = 100% Analysis Date = 05/14/00 Pct Recovery = 100% Analysis Date = 05/14/00 Pct Recovery = 100% Analysis Date = 05/13/00 Pct Recovery = 100% Analysis Date = 05/13/00 Pct Recovery = 100% Analysis Date = 05/12/00 Pct Recovery = 100% Analysis Date = 05/12/00 Pct Recovery = 100% Analysis Date = 05/10/00 Pct Recovery = 99% Analysis Date = 05/10/00 Pct Recovery = 99% Analysis Date = 05/09/00 Pct Recovery = 99% Analysis Date = 05/09/00 Pct Recovery = 99% Analysis Date = 05/08/00 Pct Recovery = 99% Analysis Date = 05/08/00 Pct Recovery = 99% Analysis Date = 05/06/00 Pct Recovery = 99% Analysis Date = 05/06/00 Pct Recovery = 99% Analysis Date = 05/05/00 Pct Recovery = 99% Analysis Date = 05/05/00 Pct Recovery = 99% Analysis Date = 05/04/00 Pct Recovery = 99% Analysis Date = 05/04/00 Pct Recovery = 99% Analysis Date = 05/02/00 Pct Recovery = 98% Analysis Date = 05/02/00 Pct Recovery = 98% Analysis Date = 05/01/00 Pct Recovery = 98% Analysis Date = 05/01/00 Pct Recovery = 98% Analysis Date = 04/30/00 Pct Recovery = 98% Analysis Date = 04/30/00 Pct Recovery = 98% Analysis Date = 04/28/00 Pct Recovery = 98% Analysis Date = 04/28/00 Pct Recovery = 98% Analysis Date = 04/27/00 Pct Recovery = 98% Analysis Date = 04/27/00 Pct Recovery = 98% Analysis Date = 04/26/00 Pct Recovery = 98% Analysis Date = 04/26/00 Pct Recovery = 98% Analysis Date = 04/24/00 Pct Recovery = 98% Analysis Date = 04/24/00 Pct Recovery = 98% Analysis Date = 04/23/00 Pct Recovery = 98% Analysis Date = 04/23/00 Pct Recovery = 98% Analysis Date = 04/22/00 Pct Recovery = 98% Analysis Date = 04/22/00 Pct Recovery = 98% Analysis Date = 04/20/00 Pct Recovery = 98% Analysis Date = 04/20/00 Pct Recovery = 98% Analysis Date = 04/19/00 Pct Recovery = 99% Analysis Date = 04/19/00 Pct Recovery = 99% Analysis Date = 04/18/00 Pct Recovery = 99% Analysis Date = 04/18/00 Pct Recovery = 99% Analysis Date = 04/16/00 Pct Recovery = 99% Analysis Date = 04/16/00 Pct Recovery = 99% Analysis Date = 04/15/00 Pct Recovery = 99% Analysis Date = 04/15/00 Pct Recovery = 99% Analysis Date = 04/14/00 Pct Recovery = 99% Analysis Date = 04/14/00 Pct Recovery = 99% Analysis Date = 04/12/00 Pct Recovery = 99% Analysis Date = 04/12/00 Pct Recovery = 99% Analysis Date = 04/11/00 Pct Recovery = 99% Analysis Date = 04/11/00 Pct Recovery = 99% Analysis Date = 04/10/00 Pct Recovery = 99% Analysis Date = 04/10/00 Pct Recovery = 99% Analysis Date = 04/08/00 Pct Recovery = 99% Analysis Date = 04/08/00 Pct Recovery = 99% Analysis Date = 04/07/00 Pct Recovery = 100% Analysis Date = 04/07/00 Pct Recovery = 100% Analysis Date = 04/06/00 Pct Recovery = 100% Analysis Date = 04/06/00 Pct Recovery = 100% Analysis Date = 04/04/00 Pct Recovery = 100% Analysis Date = 04/04/00 Pct Recovery = 100% Analysis Date = 04/03/00 Pct Recovery = 100% Analysis Date = 04/03/00 Pct Recovery = 100% Analysis Date = 04/02/00 Pct Recovery = 100% Analysis Date = 04/02/00 Pct Recovery = 100% Analysis Date = 03/31/00 Pct Recovery = 100% Analysis Date = 03/31/00 Pct Recovery = 100% Analysis Date = 03/30/00 Pct Recovery = 100% Analysis Date = 03/30/00 Pct Recovery = 100% Analysis Date = 03/29/00 Pct Recovery = 100% Analysis Date = 03/29/00 Pct Recovery = 100% Analysis Date = 03/27/00 Pct Recovery = 100% Analysis Date = 03/27/00 Pct Recovery = 100% Analysis Date = 03/26/00 Pct Recovery = 101% Analysis Date = 03/26/00 Pct Recovery = 101% Analysis Date = 03/25/00 Pct Recovery = 101% Analysis Date = 03/25/00 Pct Recovery = 101% Analysis Date = 03/23/00 Pct Recovery = 101% Analysis Date = 03/23/00 Pct Recovery = 101% Analysis Date = 03/22/00 Pct Recovery = 101% Analysis Date = 03/22/00 Pct Recovery = 101% Analysis Date = 03/21/00 Pct Recovery = 101% Analysis Date = 03/21/00 Pct Recovery = 101% Analysis Date = 03/19/00 Pct Recovery = 101% Analysis Date = 03/19/00 Pct Recovery = 101% Analysis Date = 03/18/00 Pct Recovery = 101% Analysis Date = 03/18/00 Pct Recovery = 101% Analysis Date = 03/17/00 Pct Recovery = 101% Analysis Date = 03/17/00 Pct Recovery = 101% Analysis Date = 03/15/00 Pct Recovery = 101% Analysis Date = 03/15/00 Pct Recovery = 101% Analysis Date = 03/14/00 Pct Recovery = 102% Analysis Date = 03/14/00 Pct Recovery = 102% Analysis Date = 03/13/00 Pct Recovery = 102% Analysis Date = 03/13/00 Pct Recovery = 102% Analysis Date = 03/11/00 Pct Recovery = 102% Analysis Date = 03/11/00 Pct Recovery = 102% Analysis Date = 03/10/00 Pct Recovery = 102% Analysis Date = 03/10/00 Pct Recovery = 102% Analysis Date = 03/09/00 Pct Recovery = 102% Analysis Date = 03/09/00 Pct Recovery = 102% Analysis Date = 03/07/00 Pct Recovery = 102% Analysis Date = 03/07/00 Pct Recovery = 102% Analysis Date = 03/06/00 Pct Recovery = 102% Analysis Date = 03/06/00 Pct Recovery = 102% Analysis Date = 03/05/00 Pct Recovery = 102% Analysis Date = 03/05/00 Pct Recovery = 102% Analysis Date = 03/03/00 Pct Recovery = 102% Analysis Date = 03/03/00 Pct Recovery = 102% Analysis Date = 03/02/00 Pct Recovery = 103% Analysis Date = 03/02/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 02/28/00 Pct Recovery = 103% Analysis Date = 02/28/00 Pct Recovery = 103% Analysis Date = 02/27/00 Pct Recovery = 103% Analysis Date = 02/27/00 Pct Recovery = 103% Analysis Date = 02/26/00 Pct Recovery = 103% Analysis Date = 02/26/00 Pct Recovery = 103% Analysis Date = 02/25/00 Pct Recovery = 103% Analysis Date = 02/25/00 Pct Recovery = 103% Analysis Date = 02/23/00 Pct Recovery = 103% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
BROMOCHLOROMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 103% 4% 103% 1%
Total 5 103% 4% 103% 1%

Sample Statistics
BROMOCHLOROMETHANE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
BROMODICHLOROMETHANE
METHOD: 4054 , TESTIDCODE: 32101GCM66
Open Data Set

Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 104% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 111% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 103% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 100% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 102% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 105% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 105% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 98% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 105% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 101% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 111% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 96% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 105% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 111% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 99% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 95% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 103% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 91% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 99% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 110% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 104% Analysis Date = 08/24/01 Pct Recovery = 107% Analysis Date = 08/22/01 Pct Recovery = 107% Analysis Date = 08/22/01 Pct Recovery = 107% Analysis Date = 08/19/01 Pct Recovery = 107% Analysis Date = 08/19/01 Pct Recovery = 107% Analysis Date = 08/16/01 Pct Recovery = 107% Analysis Date = 08/16/01 Pct Recovery = 107% Analysis Date = 08/13/01 Pct Recovery = 107% Analysis Date = 08/13/01 Pct Recovery = 107% Analysis Date = 08/10/01 Pct Recovery = 107% Analysis Date = 08/10/01 Pct Recovery = 107% Analysis Date = 08/07/01 Pct Recovery = 107% Analysis Date = 08/07/01 Pct Recovery = 107% Analysis Date = 08/04/01 Pct Recovery = 107% Analysis Date = 08/04/01 Pct Recovery = 107% Analysis Date = 08/01/01 Pct Recovery = 107% Analysis Date = 08/01/01 Pct Recovery = 107% Analysis Date = 07/29/01 Pct Recovery = 107% Analysis Date = 07/29/01 Pct Recovery = 107% Analysis Date = 07/26/01 Pct Recovery = 107% Analysis Date = 07/26/01 Pct Recovery = 107% Analysis Date = 07/23/01 Pct Recovery = 107% Analysis Date = 07/23/01 Pct Recovery = 107% Analysis Date = 07/20/01 Pct Recovery = 107% Analysis Date = 07/20/01 Pct Recovery = 107% Analysis Date = 07/17/01 Pct Recovery = 107% Analysis Date = 07/17/01 Pct Recovery = 107% Analysis Date = 07/14/01 Pct Recovery = 107% Analysis Date = 07/14/01 Pct Recovery = 107% Analysis Date = 07/11/01 Pct Recovery = 107% Analysis Date = 07/11/01 Pct Recovery = 107% Analysis Date = 07/08/01 Pct Recovery = 107% Analysis Date = 07/08/01 Pct Recovery = 107% Analysis Date = 07/05/01 Pct Recovery = 107% Analysis Date = 07/05/01 Pct Recovery = 107% Analysis Date = 07/02/01 Pct Recovery = 107% Analysis Date = 07/02/01 Pct Recovery = 107% Analysis Date = 06/29/01 Pct Recovery = 107% Analysis Date = 06/29/01 Pct Recovery = 107% Analysis Date = 06/26/01 Pct Recovery = 107% Analysis Date = 06/26/01 Pct Recovery = 107% Analysis Date = 06/23/01 Pct Recovery = 107% Analysis Date = 06/23/01 Pct Recovery = 107% Analysis Date = 06/20/01 Pct Recovery = 107% Analysis Date = 06/20/01 Pct Recovery = 107% Analysis Date = 06/17/01 Pct Recovery = 107% Analysis Date = 06/17/01 Pct Recovery = 107% Analysis Date = 06/15/01 Pct Recovery = 107% Analysis Date = 06/15/01 Pct Recovery = 107% Analysis Date = 06/12/01 Pct Recovery = 107% Analysis Date = 06/12/01 Pct Recovery = 107% Analysis Date = 06/09/01 Pct Recovery = 107% Analysis Date = 06/09/01 Pct Recovery = 107% Analysis Date = 06/06/01 Pct Recovery = 107% Analysis Date = 06/06/01 Pct Recovery = 107% Analysis Date = 06/03/01 Pct Recovery = 107% Analysis Date = 06/03/01 Pct Recovery = 107% Analysis Date = 05/31/01 Pct Recovery = 107% Analysis Date = 05/31/01 Pct Recovery = 107% Analysis Date = 05/28/01 Pct Recovery = 106% Analysis Date = 05/28/01 Pct Recovery = 106% Analysis Date = 05/25/01 Pct Recovery = 106% Analysis Date = 05/25/01 Pct Recovery = 106% Analysis Date = 05/22/01 Pct Recovery = 106% Analysis Date = 05/22/01 Pct Recovery = 106% Analysis Date = 05/19/01 Pct Recovery = 106% Analysis Date = 05/19/01 Pct Recovery = 106% Analysis Date = 05/16/01 Pct Recovery = 106% Analysis Date = 05/16/01 Pct Recovery = 106% Analysis Date = 05/13/01 Pct Recovery = 106% Analysis Date = 05/13/01 Pct Recovery = 106% Analysis Date = 05/10/01 Pct Recovery = 106% Analysis Date = 05/10/01 Pct Recovery = 106% Analysis Date = 05/07/01 Pct Recovery = 106% Analysis Date = 05/07/01 Pct Recovery = 106% Analysis Date = 05/04/01 Pct Recovery = 106% Analysis Date = 05/04/01 Pct Recovery = 106% Analysis Date = 05/01/01 Pct Recovery = 106% Analysis Date = 05/01/01 Pct Recovery = 106% Analysis Date = 04/28/01 Pct Recovery = 106% Analysis Date = 04/28/01 Pct Recovery = 106% Analysis Date = 04/25/01 Pct Recovery = 106% Analysis Date = 04/25/01 Pct Recovery = 106% Analysis Date = 04/22/01 Pct Recovery = 106% Analysis Date = 04/22/01 Pct Recovery = 106% Analysis Date = 04/19/01 Pct Recovery = 106% Analysis Date = 04/19/01 Pct Recovery = 106% Analysis Date = 04/16/01 Pct Recovery = 106% Analysis Date = 04/16/01 Pct Recovery = 106% Analysis Date = 04/13/01 Pct Recovery = 106% Analysis Date = 04/13/01 Pct Recovery = 106% Analysis Date = 04/10/01 Pct Recovery = 106% Analysis Date = 04/10/01 Pct Recovery = 106% Analysis Date = 04/08/01 Pct Recovery = 106% Analysis Date = 04/08/01 Pct Recovery = 106% Analysis Date = 04/05/01 Pct Recovery = 106% Analysis Date = 04/05/01 Pct Recovery = 106% Analysis Date = 04/02/01 Pct Recovery = 106% Analysis Date = 04/02/01 Pct Recovery = 106% Analysis Date = 03/30/01 Pct Recovery = 106% Analysis Date = 03/30/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/24/01 Pct Recovery = 106% Analysis Date = 03/24/01 Pct Recovery = 106% Analysis Date = 03/21/01 Pct Recovery = 106% Analysis Date = 03/21/01 Pct Recovery = 106% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/12/01 Pct Recovery = 106% Analysis Date = 03/12/01 Pct Recovery = 106% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 02/28/01 Pct Recovery = 106% Analysis Date = 02/28/01 Pct Recovery = 106% Analysis Date = 02/25/01 Pct Recovery = 106% Analysis Date = 02/25/01 Pct Recovery = 106% Analysis Date = 02/22/01 Pct Recovery = 106% Analysis Date = 02/22/01 Pct Recovery = 106% Analysis Date = 02/19/01 Pct Recovery = 106% Analysis Date = 02/19/01 Pct Recovery = 106% Analysis Date = 02/16/01 Pct Recovery = 106% Analysis Date = 02/16/01 Pct Recovery = 106% Analysis Date = 02/13/01 Pct Recovery = 106% Analysis Date = 02/13/01 Pct Recovery = 106% Analysis Date = 02/10/01 Pct Recovery = 106% Analysis Date = 02/10/01 Pct Recovery = 106% Analysis Date = 02/07/01 Pct Recovery = 106% Analysis Date = 02/07/01 Pct Recovery = 106% Analysis Date = 02/04/01 Pct Recovery = 106% Analysis Date = 02/04/01 Pct Recovery = 106% Analysis Date = 02/01/01 Pct Recovery = 105% Analysis Date = 02/01/01 Pct Recovery = 105% Analysis Date = 01/30/01 Pct Recovery = 105% Analysis Date = 01/30/01 Pct Recovery = 105% Analysis Date = 01/27/01 Pct Recovery = 105% Analysis Date = 01/27/01 Pct Recovery = 105% Analysis Date = 01/24/01 Pct Recovery = 105% Analysis Date = 01/24/01 Pct Recovery = 105% Analysis Date = 01/21/01 Pct Recovery = 105% Analysis Date = 01/21/01 Pct Recovery = 105% Analysis Date = 01/18/01 Pct Recovery = 105% Analysis Date = 01/18/01 Pct Recovery = 105% Analysis Date = 01/15/01 Pct Recovery = 105% Analysis Date = 01/15/01 Pct Recovery = 105% Analysis Date = 01/12/01 Pct Recovery = 105% Analysis Date = 01/12/01 Pct Recovery = 105% Analysis Date = 01/09/01 Pct Recovery = 105% Analysis Date = 01/09/01 Pct Recovery = 105% Analysis Date = 01/06/01 Pct Recovery = 105% Analysis Date = 01/06/01 Pct Recovery = 105% Analysis Date = 01/03/01 Pct Recovery = 105% Analysis Date = 01/03/01 Pct Recovery = 105% Analysis Date = 12/31/00 Pct Recovery = 105% Analysis Date = 12/31/00 Pct Recovery = 105% Analysis Date = 12/28/00 Pct Recovery = 105% Analysis Date = 12/28/00 Pct Recovery = 105% Analysis Date = 12/25/00 Pct Recovery = 105% Analysis Date = 12/25/00 Pct Recovery = 105% Analysis Date = 12/22/00 Pct Recovery = 105% Analysis Date = 12/22/00 Pct Recovery = 105% Analysis Date = 12/19/00 Pct Recovery = 105% Analysis Date = 12/19/00 Pct Recovery = 105% Analysis Date = 12/16/00 Pct Recovery = 105% Analysis Date = 12/16/00 Pct Recovery = 105% Analysis Date = 12/13/00 Pct Recovery = 105% Analysis Date = 12/13/00 Pct Recovery = 105% Analysis Date = 12/10/00 Pct Recovery = 105% Analysis Date = 12/10/00 Pct Recovery = 105% Analysis Date = 12/07/00 Pct Recovery = 105% Analysis Date = 12/07/00 Pct Recovery = 105% Analysis Date = 12/04/00 Pct Recovery = 105% Analysis Date = 12/04/00 Pct Recovery = 105% Analysis Date = 12/01/00 Pct Recovery = 105% Analysis Date = 12/01/00 Pct Recovery = 105% Analysis Date = 11/28/00 Pct Recovery = 105% Analysis Date = 11/28/00 Pct Recovery = 105% Analysis Date = 11/25/00 Pct Recovery = 105% Analysis Date = 11/25/00 Pct Recovery = 105% Analysis Date = 11/23/00 Pct Recovery = 105% Analysis Date = 11/23/00 Pct Recovery = 105% Analysis Date = 11/20/00 Pct Recovery = 104% Analysis Date = 11/20/00 Pct Recovery = 104% Analysis Date = 11/17/00 Pct Recovery = 104% Analysis Date = 11/17/00 Pct Recovery = 104% Analysis Date = 11/14/00 Pct Recovery = 104% Analysis Date = 11/14/00 Pct Recovery = 104% Analysis Date = 11/11/00 Pct Recovery = 104% Analysis Date = 11/11/00 Pct Recovery = 104% Analysis Date = 11/08/00 Pct Recovery = 104% Analysis Date = 11/08/00 Pct Recovery = 104% Analysis Date = 11/05/00 Pct Recovery = 104% Analysis Date = 11/05/00 Pct Recovery = 104% Analysis Date = 11/02/00 Pct Recovery = 104% Analysis Date = 11/02/00 Pct Recovery = 104% Analysis Date = 10/30/00 Pct Recovery = 104% Analysis Date = 10/30/00 Pct Recovery = 104% Analysis Date = 10/27/00 Pct Recovery = 104% Analysis Date = 10/27/00 Pct Recovery = 104% Analysis Date = 10/24/00 Pct Recovery = 104% Analysis Date = 10/24/00 Pct Recovery = 104% Analysis Date = 10/21/00 Pct Recovery = 104% Analysis Date = 10/21/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 104% Analysis Date = 10/15/00 Pct Recovery = 104% Analysis Date = 10/15/00 Pct Recovery = 104% Analysis Date = 10/12/00 Pct Recovery = 104% Analysis Date = 10/12/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/06/00 Pct Recovery = 104% Analysis Date = 10/06/00 Pct Recovery = 104% Analysis Date = 10/03/00 Pct Recovery = 104% Analysis Date = 10/03/00 Pct Recovery = 104% Analysis Date = 09/30/00 Pct Recovery = 104% Analysis Date = 09/30/00 Pct Recovery = 104% Analysis Date = 09/27/00 Pct Recovery = 104% Analysis Date = 09/27/00 Pct Recovery = 104% Analysis Date = 09/24/00 Pct Recovery = 104% Analysis Date = 09/24/00 Pct Recovery = 104% Analysis Date = 09/21/00 Pct Recovery = 104% Analysis Date = 09/21/00 Pct Recovery = 104% Analysis Date = 09/18/00 Pct Recovery = 104% Analysis Date = 09/18/00 Pct Recovery = 104% Analysis Date = 09/15/00 Pct Recovery = 104% Analysis Date = 09/15/00 Pct Recovery = 104% Analysis Date = 09/13/00 Pct Recovery = 104% Analysis Date = 09/13/00 Pct Recovery = 104% Analysis Date = 09/10/00 Pct Recovery = 103% Analysis Date = 09/10/00 Pct Recovery = 103% Analysis Date = 09/07/00 Pct Recovery = 103% Analysis Date = 09/07/00 Pct Recovery = 103% Analysis Date = 09/04/00 Pct Recovery = 103% Analysis Date = 09/04/00 Pct Recovery = 103% Analysis Date = 09/01/00 Pct Recovery = 103% Analysis Date = 09/01/00 Pct Recovery = 103% Analysis Date = 08/29/00 Pct Recovery = 103% Analysis Date = 08/29/00 Pct Recovery = 103% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/20/00 Pct Recovery = 103% Analysis Date = 08/20/00 Pct Recovery = 103% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/27/00 Pct Recovery = 102% Analysis Date = 07/27/00 Pct Recovery = 102% Analysis Date = 07/24/00 Pct Recovery = 102% Analysis Date = 07/24/00 Pct Recovery = 102% Analysis Date = 07/21/00 Pct Recovery = 102% Analysis Date = 07/21/00 Pct Recovery = 102% Analysis Date = 07/18/00 Pct Recovery = 102% Analysis Date = 07/18/00 Pct Recovery = 102% Analysis Date = 07/15/00 Pct Recovery = 102% Analysis Date = 07/15/00 Pct Recovery = 102% Analysis Date = 07/12/00 Pct Recovery = 102% Analysis Date = 07/12/00 Pct Recovery = 102% Analysis Date = 07/09/00 Pct Recovery = 102% Analysis Date = 07/09/00 Pct Recovery = 102% Analysis Date = 07/07/00 Pct Recovery = 102% Analysis Date = 07/07/00 Pct Recovery = 102% Analysis Date = 07/04/00 Pct Recovery = 102% Analysis Date = 07/04/00 Pct Recovery = 102% Analysis Date = 07/01/00 Pct Recovery = 102% Analysis Date = 07/01/00 Pct Recovery = 102% Analysis Date = 06/28/00 Pct Recovery = 102% Analysis Date = 06/28/00 Pct Recovery = 102% Analysis Date = 06/25/00 Pct Recovery = 102% Analysis Date = 06/25/00 Pct Recovery = 102% Analysis Date = 06/22/00 Pct Recovery = 102% Analysis Date = 06/22/00 Pct Recovery = 102% Analysis Date = 06/19/00 Pct Recovery = 102% Analysis Date = 06/19/00 Pct Recovery = 102% Analysis Date = 06/16/00 Pct Recovery = 102% Analysis Date = 06/16/00 Pct Recovery = 102% Analysis Date = 06/13/00 Pct Recovery = 102% Analysis Date = 06/13/00 Pct Recovery = 102% Analysis Date = 06/10/00 Pct Recovery = 102% Analysis Date = 06/10/00 Pct Recovery = 102% Analysis Date = 06/07/00 Pct Recovery = 102% Analysis Date = 06/07/00 Pct Recovery = 102% Analysis Date = 06/04/00 Pct Recovery = 102% Analysis Date = 06/04/00 Pct Recovery = 102% Analysis Date = 06/01/00 Pct Recovery = 102% Analysis Date = 06/01/00 Pct Recovery = 102% Analysis Date = 05/29/00 Pct Recovery = 102% Analysis Date = 05/29/00 Pct Recovery = 102% Analysis Date = 05/26/00 Pct Recovery = 102% Analysis Date = 05/26/00 Pct Recovery = 102% Analysis Date = 05/23/00 Pct Recovery = 102% Analysis Date = 05/23/00 Pct Recovery = 102% Analysis Date = 05/20/00 Pct Recovery = 102% Analysis Date = 05/20/00 Pct Recovery = 102% Analysis Date = 05/17/00 Pct Recovery = 102% Analysis Date = 05/17/00 Pct Recovery = 102% Analysis Date = 05/14/00 Pct Recovery = 102% Analysis Date = 05/14/00 Pct Recovery = 102% Analysis Date = 05/11/00 Pct Recovery = 102% Analysis Date = 05/11/00 Pct Recovery = 102% Analysis Date = 05/08/00 Pct Recovery = 102% Analysis Date = 05/08/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/24/00 Pct Recovery = 102% Analysis Date = 04/24/00 Pct Recovery = 102% Analysis Date = 04/21/00 Pct Recovery = 102% Analysis Date = 04/21/00 Pct Recovery = 102% Analysis Date = 04/18/00 Pct Recovery = 102% Analysis Date = 04/18/00 Pct Recovery = 102% Analysis Date = 04/15/00 Pct Recovery = 102% Analysis Date = 04/15/00 Pct Recovery = 102% Analysis Date = 04/12/00 Pct Recovery = 101% Analysis Date = 04/12/00 Pct Recovery = 101% Analysis Date = 04/09/00 Pct Recovery = 101% Analysis Date = 04/09/00 Pct Recovery = 101% Analysis Date = 04/06/00 Pct Recovery = 101% Analysis Date = 04/06/00 Pct Recovery = 101% Analysis Date = 04/03/00 Pct Recovery = 101% Analysis Date = 04/03/00 Pct Recovery = 101% Analysis Date = 03/31/00 Pct Recovery = 101% Analysis Date = 03/31/00 Pct Recovery = 101% Analysis Date = 03/28/00 Pct Recovery = 101% Analysis Date = 03/28/00 Pct Recovery = 101% Analysis Date = 03/25/00 Pct Recovery = 100% Analysis Date = 03/25/00 Pct Recovery = 100% Analysis Date = 03/22/00 Pct Recovery = 100% Analysis Date = 03/22/00 Pct Recovery = 100% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/16/00 Pct Recovery = 100% Analysis Date = 03/16/00 Pct Recovery = 100% Analysis Date = 03/13/00 Pct Recovery = 100% Analysis Date = 03/13/00 Pct Recovery = 100% Analysis Date = 03/10/00 Pct Recovery = 101% Analysis Date = 03/10/00 Pct Recovery = 101% Analysis Date = 03/07/00 Pct Recovery = 101% Analysis Date = 03/07/00 Pct Recovery = 101% Analysis Date = 03/04/00 Pct Recovery = 101% Analysis Date = 03/04/00 Pct Recovery = 101% Analysis Date = 03/01/00 Pct Recovery = 101% Analysis Date = 03/01/00 Pct Recovery = 101% Analysis Date = 02/27/00 Pct Recovery = 101% Analysis Date = 02/27/00 Pct Recovery = 101% Analysis Date = 02/24/00 Pct Recovery = 101% Analysis Date = 02/24/00 Pct Recovery = 101% Analysis Date = 02/22/00 Pct Recovery = 101% Analysis Date = 02/22/00 Pct Recovery = 101% Analysis Date = 02/19/00 Pct Recovery = 101% Analysis Date = 02/19/00 Pct Recovery = 101% Analysis Date = 02/16/00 Pct Recovery = 101% Analysis Date = 02/16/00 Pct Recovery = 101% Analysis Date = 02/13/00 Pct Recovery = 101% Analysis Date = 02/13/00 Pct Recovery = 101% Analysis Date = 02/10/00 Pct Recovery = 102% Analysis Date = 02/10/00 Pct Recovery = 102% Analysis Date = 02/07/00 Pct Recovery = 102% Analysis Date = 02/07/00 Pct Recovery = 102% Analysis Date = 02/04/00 Pct Recovery = 102% Analysis Date = 02/04/00 Pct Recovery = 102% Analysis Date = 02/01/00 Pct Recovery = 102% Analysis Date = 02/01/00 Pct Recovery = 102% Analysis Date = 01/29/00 Pct Recovery = 102% Analysis Date = 01/29/00 Pct Recovery = 102% Analysis Date = 01/26/00 Pct Recovery = 102% Analysis Date = 01/26/00 Pct Recovery = 102% Analysis Date = 01/23/00 Pct Recovery = 103% Analysis Date = 01/23/00 Pct Recovery = 103% Analysis Date = 01/20/00 Pct Recovery = 103% Analysis Date = 01/20/00 Pct Recovery = 103% Analysis Date = 01/17/00 Pct Recovery = 103% Analysis Date = 01/17/00 Pct Recovery = 103% Analysis Date = 01/14/00 Pct Recovery = 103% Analysis Date = 01/14/00 Pct Recovery = 103% Analysis Date = 01/11/00 Pct Recovery = 103% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
BROMODICHLOROMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 103% 5% 103% 4%
Total 21 103% 5% 103% 4%

Sample Statistics
BROMODICHLOROMETHANE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
BROMOETHENE
METHOD: 4054 , TESTIDCODE: 50002GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 108% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 97% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
BROMOETHENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 2 103% 8% 103% 8%
Total 2 103% 8% 103% 8%

Sample Statistics
BROMOETHENE

Characteristic N % % Basis
Plotted 2 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 2 .  
False Negatives 0 0% 0 out of 2
Not Spiked 34 .  
False Positives 0 0% 0 out of 34

BQS OBSP Determination:
BROMOFORM
METHOD: 4054 , TESTIDCODE: 32104GCM66
Open Data Set

Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 92% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 97% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 98% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 116% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 107% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 86% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 105% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 94% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 97% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 104% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 97% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 95% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 102% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 103% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 97% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 83% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 94% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 97% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 98% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 83% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 97% Analysis Date = 08/24/01 Pct Recovery = 110% Analysis Date = 08/22/01 Pct Recovery = 110% Analysis Date = 08/22/01 Pct Recovery = 110% Analysis Date = 08/19/01 Pct Recovery = 110% Analysis Date = 08/19/01 Pct Recovery = 110% Analysis Date = 08/16/01 Pct Recovery = 110% Analysis Date = 08/16/01 Pct Recovery = 110% Analysis Date = 08/13/01 Pct Recovery = 110% Analysis Date = 08/13/01 Pct Recovery = 110% Analysis Date = 08/10/01 Pct Recovery = 109% Analysis Date = 08/10/01 Pct Recovery = 109% Analysis Date = 08/07/01 Pct Recovery = 109% Analysis Date = 08/07/01 Pct Recovery = 109% Analysis Date = 08/04/01 Pct Recovery = 109% Analysis Date = 08/04/01 Pct Recovery = 109% Analysis Date = 08/01/01 Pct Recovery = 109% Analysis Date = 08/01/01 Pct Recovery = 109% Analysis Date = 07/29/01 Pct Recovery = 109% Analysis Date = 07/29/01 Pct Recovery = 109% Analysis Date = 07/26/01 Pct Recovery = 109% Analysis Date = 07/26/01 Pct Recovery = 109% Analysis Date = 07/23/01 Pct Recovery = 108% Analysis Date = 07/23/01 Pct Recovery = 108% Analysis Date = 07/20/01 Pct Recovery = 108% Analysis Date = 07/20/01 Pct Recovery = 108% Analysis Date = 07/17/01 Pct Recovery = 108% Analysis Date = 07/17/01 Pct Recovery = 108% Analysis Date = 07/14/01 Pct Recovery = 108% Analysis Date = 07/14/01 Pct Recovery = 108% Analysis Date = 07/11/01 Pct Recovery = 108% Analysis Date = 07/11/01 Pct Recovery = 108% Analysis Date = 07/08/01 Pct Recovery = 108% Analysis Date = 07/08/01 Pct Recovery = 108% Analysis Date = 07/05/01 Pct Recovery = 108% Analysis Date = 07/05/01 Pct Recovery = 108% Analysis Date = 07/02/01 Pct Recovery = 107% Analysis Date = 07/02/01 Pct Recovery = 107% Analysis Date = 06/29/01 Pct Recovery = 107% Analysis Date = 06/29/01 Pct Recovery = 107% Analysis Date = 06/26/01 Pct Recovery = 107% Analysis Date = 06/26/01 Pct Recovery = 107% Analysis Date = 06/23/01 Pct Recovery = 107% Analysis Date = 06/23/01 Pct Recovery = 107% Analysis Date = 06/20/01 Pct Recovery = 107% Analysis Date = 06/20/01 Pct Recovery = 107% Analysis Date = 06/17/01 Pct Recovery = 107% Analysis Date = 06/17/01 Pct Recovery = 107% Analysis Date = 06/15/01 Pct Recovery = 106% Analysis Date = 06/15/01 Pct Recovery = 106% Analysis Date = 06/12/01 Pct Recovery = 106% Analysis Date = 06/12/01 Pct Recovery = 106% Analysis Date = 06/09/01 Pct Recovery = 106% Analysis Date = 06/09/01 Pct Recovery = 106% Analysis Date = 06/06/01 Pct Recovery = 106% Analysis Date = 06/06/01 Pct Recovery = 106% Analysis Date = 06/03/01 Pct Recovery = 106% Analysis Date = 06/03/01 Pct Recovery = 106% Analysis Date = 05/31/01 Pct Recovery = 106% Analysis Date = 05/31/01 Pct Recovery = 106% Analysis Date = 05/28/01 Pct Recovery = 105% Analysis Date = 05/28/01 Pct Recovery = 105% Analysis Date = 05/25/01 Pct Recovery = 105% Analysis Date = 05/25/01 Pct Recovery = 105% Analysis Date = 05/22/01 Pct Recovery = 105% Analysis Date = 05/22/01 Pct Recovery = 105% Analysis Date = 05/19/01 Pct Recovery = 105% Analysis Date = 05/19/01 Pct Recovery = 105% Analysis Date = 05/16/01 Pct Recovery = 105% Analysis Date = 05/16/01 Pct Recovery = 105% Analysis Date = 05/13/01 Pct Recovery = 105% Analysis Date = 05/13/01 Pct Recovery = 105% Analysis Date = 05/10/01 Pct Recovery = 104% Analysis Date = 05/10/01 Pct Recovery = 104% Analysis Date = 05/07/01 Pct Recovery = 104% Analysis Date = 05/07/01 Pct Recovery = 104% Analysis Date = 05/04/01 Pct Recovery = 104% Analysis Date = 05/04/01 Pct Recovery = 104% Analysis Date = 05/01/01 Pct Recovery = 104% Analysis Date = 05/01/01 Pct Recovery = 104% Analysis Date = 04/28/01 Pct Recovery = 104% Analysis Date = 04/28/01 Pct Recovery = 104% Analysis Date = 04/25/01 Pct Recovery = 104% Analysis Date = 04/25/01 Pct Recovery = 104% Analysis Date = 04/22/01 Pct Recovery = 104% Analysis Date = 04/22/01 Pct Recovery = 104% Analysis Date = 04/19/01 Pct Recovery = 103% Analysis Date = 04/19/01 Pct Recovery = 103% Analysis Date = 04/16/01 Pct Recovery = 103% Analysis Date = 04/16/01 Pct Recovery = 103% Analysis Date = 04/13/01 Pct Recovery = 103% Analysis Date = 04/13/01 Pct Recovery = 103% Analysis Date = 04/10/01 Pct Recovery = 103% Analysis Date = 04/10/01 Pct Recovery = 103% Analysis Date = 04/08/01 Pct Recovery = 103% Analysis Date = 04/08/01 Pct Recovery = 103% Analysis Date = 04/05/01 Pct Recovery = 103% Analysis Date = 04/05/01 Pct Recovery = 103% Analysis Date = 04/02/01 Pct Recovery = 102% Analysis Date = 04/02/01 Pct Recovery = 102% Analysis Date = 03/30/01 Pct Recovery = 102% Analysis Date = 03/30/01 Pct Recovery = 102% Analysis Date = 03/27/01 Pct Recovery = 102% Analysis Date = 03/27/01 Pct Recovery = 102% Analysis Date = 03/24/01 Pct Recovery = 102% Analysis Date = 03/24/01 Pct Recovery = 102% Analysis Date = 03/21/01 Pct Recovery = 102% Analysis Date = 03/21/01 Pct Recovery = 102% Analysis Date = 03/18/01 Pct Recovery = 102% Analysis Date = 03/18/01 Pct Recovery = 102% Analysis Date = 03/15/01 Pct Recovery = 101% Analysis Date = 03/15/01 Pct Recovery = 101% Analysis Date = 03/12/01 Pct Recovery = 101% Analysis Date = 03/12/01 Pct Recovery = 101% Analysis Date = 03/09/01 Pct Recovery = 101% Analysis Date = 03/09/01 Pct Recovery = 101% Analysis Date = 03/06/01 Pct Recovery = 101% Analysis Date = 03/06/01 Pct Recovery = 101% Analysis Date = 03/03/01 Pct Recovery = 101% Analysis Date = 03/03/01 Pct Recovery = 101% Analysis Date = 02/28/01 Pct Recovery = 101% Analysis Date = 02/28/01 Pct Recovery = 101% Analysis Date = 02/25/01 Pct Recovery = 101% Analysis Date = 02/25/01 Pct Recovery = 101% Analysis Date = 02/22/01 Pct Recovery = 100% Analysis Date = 02/22/01 Pct Recovery = 100% Analysis Date = 02/19/01 Pct Recovery = 100% Analysis Date = 02/19/01 Pct Recovery = 100% Analysis Date = 02/16/01 Pct Recovery = 100% Analysis Date = 02/16/01 Pct Recovery = 100% Analysis Date = 02/13/01 Pct Recovery = 100% Analysis Date = 02/13/01 Pct Recovery = 100% Analysis Date = 02/10/01 Pct Recovery = 100% Analysis Date = 02/10/01 Pct Recovery = 100% Analysis Date = 02/07/01 Pct Recovery = 100% Analysis Date = 02/07/01 Pct Recovery = 100% Analysis Date = 02/04/01 Pct Recovery = 99% Analysis Date = 02/04/01 Pct Recovery = 99% Analysis Date = 02/01/01 Pct Recovery = 99% Analysis Date = 02/01/01 Pct Recovery = 99% Analysis Date = 01/30/01 Pct Recovery = 99% Analysis Date = 01/30/01 Pct Recovery = 99% Analysis Date = 01/27/01 Pct Recovery = 99% Analysis Date = 01/27/01 Pct Recovery = 99% Analysis Date = 01/24/01 Pct Recovery = 99% Analysis Date = 01/24/01 Pct Recovery = 99% Analysis Date = 01/21/01 Pct Recovery = 99% Analysis Date = 01/21/01 Pct Recovery = 99% Analysis Date = 01/18/01 Pct Recovery = 99% Analysis Date = 01/18/01 Pct Recovery = 99% Analysis Date = 01/15/01 Pct Recovery = 98% Analysis Date = 01/15/01 Pct Recovery = 98% Analysis Date = 01/12/01 Pct Recovery = 98% Analysis Date = 01/12/01 Pct Recovery = 98% Analysis Date = 01/09/01 Pct Recovery = 98% Analysis Date = 01/09/01 Pct Recovery = 98% Analysis Date = 01/06/01 Pct Recovery = 98% Analysis Date = 01/06/01 Pct Recovery = 98% Analysis Date = 01/03/01 Pct Recovery = 98% Analysis Date = 01/03/01 Pct Recovery = 98% Analysis Date = 12/31/00 Pct Recovery = 98% Analysis Date = 12/31/00 Pct Recovery = 98% Analysis Date = 12/28/00 Pct Recovery = 97% Analysis Date = 12/28/00 Pct Recovery = 97% Analysis Date = 12/25/00 Pct Recovery = 97% Analysis Date = 12/25/00 Pct Recovery = 97% Analysis Date = 12/22/00 Pct Recovery = 97% Analysis Date = 12/22/00 Pct Recovery = 97% Analysis Date = 12/19/00 Pct Recovery = 97% Analysis Date = 12/19/00 Pct Recovery = 97% Analysis Date = 12/16/00 Pct Recovery = 97% Analysis Date = 12/16/00 Pct Recovery = 97% Analysis Date = 12/13/00 Pct Recovery = 97% Analysis Date = 12/13/00 Pct Recovery = 97% Analysis Date = 12/10/00 Pct Recovery = 97% Analysis Date = 12/10/00 Pct Recovery = 97% Analysis Date = 12/07/00 Pct Recovery = 96% Analysis Date = 12/07/00 Pct Recovery = 96% Analysis Date = 12/04/00 Pct Recovery = 96% Analysis Date = 12/04/00 Pct Recovery = 96% Analysis Date = 12/01/00 Pct Recovery = 96% Analysis Date = 12/01/00 Pct Recovery = 96% Analysis Date = 11/28/00 Pct Recovery = 96% Analysis Date = 11/28/00 Pct Recovery = 96% Analysis Date = 11/25/00 Pct Recovery = 96% Analysis Date = 11/25/00 Pct Recovery = 96% Analysis Date = 11/23/00 Pct Recovery = 96% Analysis Date = 11/23/00 Pct Recovery = 96% Analysis Date = 11/20/00 Pct Recovery = 95% Analysis Date = 11/20/00 Pct Recovery = 95% Analysis Date = 11/17/00 Pct Recovery = 95% Analysis Date = 11/17/00 Pct Recovery = 95% Analysis Date = 11/14/00 Pct Recovery = 95% Analysis Date = 11/14/00 Pct Recovery = 95% Analysis Date = 11/11/00 Pct Recovery = 95% Analysis Date = 11/11/00 Pct Recovery = 95% Analysis Date = 11/08/00 Pct Recovery = 96% Analysis Date = 11/08/00 Pct Recovery = 96% Analysis Date = 11/05/00 Pct Recovery = 96% Analysis Date = 11/05/00 Pct Recovery = 96% Analysis Date = 11/02/00 Pct Recovery = 96% Analysis Date = 11/02/00 Pct Recovery = 96% Analysis Date = 10/30/00 Pct Recovery = 96% Analysis Date = 10/30/00 Pct Recovery = 96% Analysis Date = 10/27/00 Pct Recovery = 96% Analysis Date = 10/27/00 Pct Recovery = 96% Analysis Date = 10/24/00 Pct Recovery = 96% Analysis Date = 10/24/00 Pct Recovery = 96% Analysis Date = 10/21/00 Pct Recovery = 96% Analysis Date = 10/21/00 Pct Recovery = 96% Analysis Date = 10/18/00 Pct Recovery = 96% Analysis Date = 10/18/00 Pct Recovery = 96% Analysis Date = 10/15/00 Pct Recovery = 97% Analysis Date = 10/15/00 Pct Recovery = 97% Analysis Date = 10/12/00 Pct Recovery = 97% Analysis Date = 10/12/00 Pct Recovery = 97% Analysis Date = 10/09/00 Pct Recovery = 97% Analysis Date = 10/09/00 Pct Recovery = 97% Analysis Date = 10/06/00 Pct Recovery = 97% Analysis Date = 10/06/00 Pct Recovery = 97% Analysis Date = 10/03/00 Pct Recovery = 97% Analysis Date = 10/03/00 Pct Recovery = 97% Analysis Date = 09/30/00 Pct Recovery = 97% Analysis Date = 09/30/00 Pct Recovery = 97% Analysis Date = 09/27/00 Pct Recovery = 97% Analysis Date = 09/27/00 Pct Recovery = 97% Analysis Date = 09/24/00 Pct Recovery = 97% Analysis Date = 09/24/00 Pct Recovery = 97% Analysis Date = 09/21/00 Pct Recovery = 96% Analysis Date = 09/21/00 Pct Recovery = 96% Analysis Date = 09/18/00 Pct Recovery = 96% Analysis Date = 09/18/00 Pct Recovery = 96% Analysis Date = 09/15/00 Pct Recovery = 96% Analysis Date = 09/15/00 Pct Recovery = 96% Analysis Date = 09/13/00 Pct Recovery = 96% Analysis Date = 09/13/00 Pct Recovery = 96% Analysis Date = 09/10/00 Pct Recovery = 96% Analysis Date = 09/10/00 Pct Recovery = 96% Analysis Date = 09/07/00 Pct Recovery = 95% Analysis Date = 09/07/00 Pct Recovery = 95% Analysis Date = 09/04/00 Pct Recovery = 95% Analysis Date = 09/04/00 Pct Recovery = 95% Analysis Date = 09/01/00 Pct Recovery = 95% Analysis Date = 09/01/00 Pct Recovery = 95% Analysis Date = 08/29/00 Pct Recovery = 95% Analysis Date = 08/29/00 Pct Recovery = 95% Analysis Date = 08/26/00 Pct Recovery = 95% Analysis Date = 08/26/00 Pct Recovery = 95% Analysis Date = 08/23/00 Pct Recovery = 94% Analysis Date = 08/23/00 Pct Recovery = 94% Analysis Date = 08/20/00 Pct Recovery = 94% Analysis Date = 08/20/00 Pct Recovery = 94% Analysis Date = 08/17/00 Pct Recovery = 94% Analysis Date = 08/17/00 Pct Recovery = 94% Analysis Date = 08/14/00 Pct Recovery = 94% Analysis Date = 08/14/00 Pct Recovery = 94% Analysis Date = 08/11/00 Pct Recovery = 94% Analysis Date = 08/11/00 Pct Recovery = 94% Analysis Date = 08/08/00 Pct Recovery = 94% Analysis Date = 08/08/00 Pct Recovery = 94% Analysis Date = 08/05/00 Pct Recovery = 93% Analysis Date = 08/05/00 Pct Recovery = 93% Analysis Date = 08/02/00 Pct Recovery = 93% Analysis Date = 08/02/00 Pct Recovery = 93% Analysis Date = 07/30/00 Pct Recovery = 93% Analysis Date = 07/30/00 Pct Recovery = 93% Analysis Date = 07/27/00 Pct Recovery = 93% Analysis Date = 07/27/00 Pct Recovery = 93% Analysis Date = 07/24/00 Pct Recovery = 93% Analysis Date = 07/24/00 Pct Recovery = 93% Analysis Date = 07/21/00 Pct Recovery = 93% Analysis Date = 07/21/00 Pct Recovery = 93% Analysis Date = 07/18/00 Pct Recovery = 93% Analysis Date = 07/18/00 Pct Recovery = 93% Analysis Date = 07/15/00 Pct Recovery = 93% Analysis Date = 07/15/00 Pct Recovery = 93% Analysis Date = 07/12/00 Pct Recovery = 93% Analysis Date = 07/12/00 Pct Recovery = 93% Analysis Date = 07/09/00 Pct Recovery = 92% Analysis Date = 07/09/00 Pct Recovery = 92% Analysis Date = 07/07/00 Pct Recovery = 92% Analysis Date = 07/07/00 Pct Recovery = 92% Analysis Date = 07/04/00 Pct Recovery = 92% Analysis Date = 07/04/00 Pct Recovery = 92% Analysis Date = 07/01/00 Pct Recovery = 92% Analysis Date = 07/01/00 Pct Recovery = 92% Analysis Date = 06/28/00 Pct Recovery = 92% Analysis Date = 06/28/00 Pct Recovery = 92% Analysis Date = 06/25/00 Pct Recovery = 92% Analysis Date = 06/25/00 Pct Recovery = 92% Analysis Date = 06/22/00 Pct Recovery = 92% Analysis Date = 06/22/00 Pct Recovery = 92% Analysis Date = 06/19/00 Pct Recovery = 92% Analysis Date = 06/19/00 Pct Recovery = 92% Analysis Date = 06/16/00 Pct Recovery = 92% Analysis Date = 06/16/00 Pct Recovery = 92% Analysis Date = 06/13/00 Pct Recovery = 92% Analysis Date = 06/13/00 Pct Recovery = 92% Analysis Date = 06/10/00 Pct Recovery = 93% Analysis Date = 06/10/00 Pct Recovery = 93% Analysis Date = 06/07/00 Pct Recovery = 93% Analysis Date = 06/07/00 Pct Recovery = 93% Analysis Date = 06/04/00 Pct Recovery = 93% Analysis Date = 06/04/00 Pct Recovery = 93% Analysis Date = 06/01/00 Pct Recovery = 93% Analysis Date = 06/01/00 Pct Recovery = 93% Analysis Date = 05/29/00 Pct Recovery = 93% Analysis Date = 05/29/00 Pct Recovery = 93% Analysis Date = 05/26/00 Pct Recovery = 94% Analysis Date = 05/26/00 Pct Recovery = 94% Analysis Date = 05/23/00 Pct Recovery = 94% Analysis Date = 05/23/00 Pct Recovery = 94% Analysis Date = 05/20/00 Pct Recovery = 94% Analysis Date = 05/20/00 Pct Recovery = 94% Analysis Date = 05/17/00 Pct Recovery = 94% Analysis Date = 05/17/00 Pct Recovery = 94% Analysis Date = 05/14/00 Pct Recovery = 95% Analysis Date = 05/14/00 Pct Recovery = 95% Analysis Date = 05/11/00 Pct Recovery = 95% Analysis Date = 05/11/00 Pct Recovery = 95% Analysis Date = 05/08/00 Pct Recovery = 95% Analysis Date = 05/08/00 Pct Recovery = 95% Analysis Date = 05/05/00 Pct Recovery = 95% Analysis Date = 05/05/00 Pct Recovery = 95% Analysis Date = 05/02/00 Pct Recovery = 96% Analysis Date = 05/02/00 Pct Recovery = 96% Analysis Date = 04/30/00 Pct Recovery = 96% Analysis Date = 04/30/00 Pct Recovery = 96% Analysis Date = 04/27/00 Pct Recovery = 96% Analysis Date = 04/27/00 Pct Recovery = 96% Analysis Date = 04/24/00 Pct Recovery = 96% Analysis Date = 04/24/00 Pct Recovery = 96% Analysis Date = 04/21/00 Pct Recovery = 96% Analysis Date = 04/21/00 Pct Recovery = 96% Analysis Date = 04/18/00 Pct Recovery = 96% Analysis Date = 04/18/00 Pct Recovery = 96% Analysis Date = 04/15/00 Pct Recovery = 97% Analysis Date = 04/15/00 Pct Recovery = 97% Analysis Date = 04/12/00 Pct Recovery = 97% Analysis Date = 04/12/00 Pct Recovery = 97% Analysis Date = 04/09/00 Pct Recovery = 97% Analysis Date = 04/09/00 Pct Recovery = 97% Analysis Date = 04/06/00 Pct Recovery = 97% Analysis Date = 04/06/00 Pct Recovery = 97% Analysis Date = 04/03/00 Pct Recovery = 97% Analysis Date = 04/03/00 Pct Recovery = 97% Analysis Date = 03/31/00 Pct Recovery = 97% Analysis Date = 03/31/00 Pct Recovery = 97% Analysis Date = 03/28/00 Pct Recovery = 97% Analysis Date = 03/28/00 Pct Recovery = 97% Analysis Date = 03/25/00 Pct Recovery = 97% Analysis Date = 03/25/00 Pct Recovery = 97% Analysis Date = 03/22/00 Pct Recovery = 97% Analysis Date = 03/22/00 Pct Recovery = 97% Analysis Date = 03/19/00 Pct Recovery = 97% Analysis Date = 03/19/00 Pct Recovery = 97% Analysis Date = 03/16/00 Pct Recovery = 97% Analysis Date = 03/16/00 Pct Recovery = 97% Analysis Date = 03/13/00 Pct Recovery = 97% Analysis Date = 03/13/00 Pct Recovery = 97% Analysis Date = 03/10/00 Pct Recovery = 97% Analysis Date = 03/10/00 Pct Recovery = 97% Analysis Date = 03/07/00 Pct Recovery = 97% Analysis Date = 03/07/00 Pct Recovery = 97% Analysis Date = 03/04/00 Pct Recovery = 97% Analysis Date = 03/04/00 Pct Recovery = 97% Analysis Date = 03/01/00 Pct Recovery = 97% Analysis Date = 03/01/00 Pct Recovery = 97% Analysis Date = 02/27/00 Pct Recovery = 97% Analysis Date = 02/27/00 Pct Recovery = 97% Analysis Date = 02/24/00 Pct Recovery = 97% Analysis Date = 02/24/00 Pct Recovery = 97% Analysis Date = 02/22/00 Pct Recovery = 97% Analysis Date = 02/22/00 Pct Recovery = 97% Analysis Date = 02/19/00 Pct Recovery = 97% Analysis Date = 02/19/00 Pct Recovery = 97% Analysis Date = 02/16/00 Pct Recovery = 97% Analysis Date = 02/16/00 Pct Recovery = 97% Analysis Date = 02/13/00 Pct Recovery = 97% Analysis Date = 02/13/00 Pct Recovery = 97% Analysis Date = 02/10/00 Pct Recovery = 97% Analysis Date = 02/10/00 Pct Recovery = 97% Analysis Date = 02/07/00 Pct Recovery = 97% Analysis Date = 02/07/00 Pct Recovery = 97% Analysis Date = 02/04/00 Pct Recovery = 98% Analysis Date = 02/04/00 Pct Recovery = 98% Analysis Date = 02/01/00 Pct Recovery = 98% Analysis Date = 02/01/00 Pct Recovery = 98% Analysis Date = 01/29/00 Pct Recovery = 98% Analysis Date = 01/29/00 Pct Recovery = 98% Analysis Date = 01/26/00 Pct Recovery = 98% Analysis Date = 01/26/00 Pct Recovery = 98% Analysis Date = 01/23/00 Pct Recovery = 98% Analysis Date = 01/23/00 Pct Recovery = 98% Analysis Date = 01/20/00 Pct Recovery = 98% Analysis Date = 01/20/00 Pct Recovery = 98% Analysis Date = 01/17/00 Pct Recovery = 98% Analysis Date = 01/17/00 Pct Recovery = 98% Analysis Date = 01/14/00 Pct Recovery = 98% Analysis Date = 01/14/00 Pct Recovery = 98% Analysis Date = 01/11/00 Pct Recovery = 98% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
BROMOFORM

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 97% 8% 97% 6%
Total 21 97% 8% 97% 6%

Sample Statistics
BROMOFORM

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
BROMOMETHANE
METHOD: 4054 , TESTIDCODE: 34413GCM66
Open Data Set

Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 66% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 84% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 52% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 55% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 73% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 74% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 107% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 123% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 74% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 66% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 72% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 73% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 68% Analysis Date = 07/08/03 Pct Recovery = 69% Analysis Date = 07/02/03 Pct Recovery = 68% Analysis Date = 07/02/03 Pct Recovery = 68% Analysis Date = 06/26/03 Pct Recovery = 68% Analysis Date = 06/26/03 Pct Recovery = 68% Analysis Date = 06/20/03 Pct Recovery = 68% Analysis Date = 06/20/03 Pct Recovery = 68% Analysis Date = 06/14/03 Pct Recovery = 68% Analysis Date = 06/14/03 Pct Recovery = 68% Analysis Date = 06/08/03 Pct Recovery = 67% Analysis Date = 06/08/03 Pct Recovery = 67% Analysis Date = 06/02/03 Pct Recovery = 67% Analysis Date = 06/02/03 Pct Recovery = 67% Analysis Date = 05/26/03 Pct Recovery = 67% Analysis Date = 05/26/03 Pct Recovery = 67% Analysis Date = 05/20/03 Pct Recovery = 67% Analysis Date = 05/20/03 Pct Recovery = 67% Analysis Date = 05/14/03 Pct Recovery = 67% Analysis Date = 05/14/03 Pct Recovery = 67% Analysis Date = 05/08/03 Pct Recovery = 66% Analysis Date = 05/08/03 Pct Recovery = 66% Analysis Date = 05/02/03 Pct Recovery = 66% Analysis Date = 05/02/03 Pct Recovery = 66% Analysis Date = 04/26/03 Pct Recovery = 66% Analysis Date = 04/26/03 Pct Recovery = 66% Analysis Date = 04/19/03 Pct Recovery = 66% Analysis Date = 04/19/03 Pct Recovery = 66% Analysis Date = 04/13/03 Pct Recovery = 66% Analysis Date = 04/13/03 Pct Recovery = 66% Analysis Date = 04/07/03 Pct Recovery = 66% Analysis Date = 04/07/03 Pct Recovery = 66% Analysis Date = 04/01/03 Pct Recovery = 66% Analysis Date = 04/01/03 Pct Recovery = 66% Analysis Date = 03/26/03 Pct Recovery = 65% Analysis Date = 03/26/03 Pct Recovery = 65% Analysis Date = 03/20/03 Pct Recovery = 65% Analysis Date = 03/20/03 Pct Recovery = 65% Analysis Date = 03/14/03 Pct Recovery = 65% Analysis Date = 03/14/03 Pct Recovery = 65% Analysis Date = 03/07/03 Pct Recovery = 65% Analysis Date = 03/07/03 Pct Recovery = 65% Analysis Date = 03/01/03 Pct Recovery = 65% Analysis Date = 03/01/03 Pct Recovery = 65% Analysis Date = 02/23/03 Pct Recovery = 65% Analysis Date = 02/23/03 Pct Recovery = 65% Analysis Date = 02/17/03 Pct Recovery = 64% Analysis Date = 02/17/03 Pct Recovery = 64% Analysis Date = 02/11/03 Pct Recovery = 64% Analysis Date = 02/11/03 Pct Recovery = 64% Analysis Date = 02/05/03 Pct Recovery = 64% Analysis Date = 02/05/03 Pct Recovery = 64% Analysis Date = 01/29/03 Pct Recovery = 64% Analysis Date = 01/29/03 Pct Recovery = 64% Analysis Date = 01/23/03 Pct Recovery = 64% Analysis Date = 01/23/03 Pct Recovery = 64% Analysis Date = 01/17/03 Pct Recovery = 64% Analysis Date = 01/17/03 Pct Recovery = 64% Analysis Date = 01/11/03 Pct Recovery = 63% Analysis Date = 01/11/03 Pct Recovery = 63% Analysis Date = 01/05/03 Pct Recovery = 63% Analysis Date = 01/05/03 Pct Recovery = 63% Analysis Date = 12/30/02 Pct Recovery = 63% Analysis Date = 12/30/02 Pct Recovery = 63% Analysis Date = 12/23/02 Pct Recovery = 63% Analysis Date = 12/23/02 Pct Recovery = 63% Analysis Date = 12/17/02 Pct Recovery = 63% Analysis Date = 12/17/02 Pct Recovery = 63% Analysis Date = 12/11/02 Pct Recovery = 63% Analysis Date = 12/11/02 Pct Recovery = 63% Analysis Date = 12/05/02 Pct Recovery = 63% Analysis Date = 12/05/02 Pct Recovery = 63% Analysis Date = 11/29/02 Pct Recovery = 62% Analysis Date = 11/29/02 Pct Recovery = 62% Analysis Date = 11/23/02 Pct Recovery = 62% Analysis Date = 11/23/02 Pct Recovery = 62% Analysis Date = 11/17/02 Pct Recovery = 62% Analysis Date = 11/17/02 Pct Recovery = 62% Analysis Date = 11/10/02 Pct Recovery = 62% Analysis Date = 11/10/02 Pct Recovery = 62% Analysis Date = 11/04/02 Pct Recovery = 62% Analysis Date = 11/04/02 Pct Recovery = 62% Analysis Date = 10/29/02 Pct Recovery = 62% Analysis Date = 10/29/02 Pct Recovery = 62% Analysis Date = 10/23/02 Pct Recovery = 61% Analysis Date = 10/23/02 Pct Recovery = 61% Analysis Date = 10/17/02 Pct Recovery = 61% Analysis Date = 10/17/02 Pct Recovery = 61% Analysis Date = 10/11/02 Pct Recovery = 61% Analysis Date = 10/11/02 Pct Recovery = 61% Analysis Date = 10/04/02 Pct Recovery = 61% Analysis Date = 10/04/02 Pct Recovery = 61% Analysis Date = 09/28/02 Pct Recovery = 61% Analysis Date = 09/28/02 Pct Recovery = 61% Analysis Date = 09/22/02 Pct Recovery = 61% Analysis Date = 09/22/02 Pct Recovery = 61% Analysis Date = 09/16/02 Pct Recovery = 60% Analysis Date = 09/16/02 Pct Recovery = 60% Analysis Date = 09/10/02 Pct Recovery = 60% Analysis Date = 09/10/02 Pct Recovery = 60% Analysis Date = 09/04/02 Pct Recovery = 60% Analysis Date = 09/04/02 Pct Recovery = 60% Analysis Date = 08/29/02 Pct Recovery = 60% Analysis Date = 08/29/02 Pct Recovery = 60% Analysis Date = 08/22/02 Pct Recovery = 60% Analysis Date = 08/22/02 Pct Recovery = 60% Analysis Date = 08/16/02 Pct Recovery = 60% Analysis Date = 08/16/02 Pct Recovery = 60% Analysis Date = 08/10/02 Pct Recovery = 60% Analysis Date = 08/10/02 Pct Recovery = 60% Analysis Date = 08/04/02 Pct Recovery = 60% Analysis Date = 08/04/02 Pct Recovery = 60% Analysis Date = 07/29/02 Pct Recovery = 60% Analysis Date = 07/29/02 Pct Recovery = 60% Analysis Date = 07/23/02 Pct Recovery = 61% Analysis Date = 07/23/02 Pct Recovery = 61% Analysis Date = 07/16/02 Pct Recovery = 61% Analysis Date = 07/16/02 Pct Recovery = 61% Analysis Date = 07/10/02 Pct Recovery = 62% Analysis Date = 07/10/02 Pct Recovery = 62% Analysis Date = 07/04/02 Pct Recovery = 62% Analysis Date = 07/04/02 Pct Recovery = 62% Analysis Date = 06/28/02 Pct Recovery = 63% Analysis Date = 06/28/02 Pct Recovery = 63% Analysis Date = 06/22/02 Pct Recovery = 63% Analysis Date = 06/22/02 Pct Recovery = 63% Analysis Date = 06/16/02 Pct Recovery = 63% Analysis Date = 06/16/02 Pct Recovery = 63% Analysis Date = 06/09/02 Pct Recovery = 64% Analysis Date = 06/09/02 Pct Recovery = 64% Analysis Date = 06/03/02 Pct Recovery = 64% Analysis Date = 06/03/02 Pct Recovery = 64% Analysis Date = 05/28/02 Pct Recovery = 65% Analysis Date = 05/28/02 Pct Recovery = 65% Analysis Date = 05/22/02 Pct Recovery = 65% Analysis Date = 05/22/02 Pct Recovery = 65% Analysis Date = 05/16/02 Pct Recovery = 66% Analysis Date = 05/16/02 Pct Recovery = 66% Analysis Date = 05/10/02 Pct Recovery = 66% Analysis Date = 05/10/02 Pct Recovery = 66% Analysis Date = 05/04/02 Pct Recovery = 67% Analysis Date = 05/04/02 Pct Recovery = 67% Analysis Date = 04/27/02 Pct Recovery = 67% Analysis Date = 04/27/02 Pct Recovery = 67% Analysis Date = 04/21/02 Pct Recovery = 68% Analysis Date = 04/21/02 Pct Recovery = 68% Analysis Date = 04/15/02 Pct Recovery = 68% Analysis Date = 04/15/02 Pct Recovery = 68% Analysis Date = 04/09/02 Pct Recovery = 68% Analysis Date = 04/09/02 Pct Recovery = 68% Analysis Date = 04/03/02 Pct Recovery = 69% Analysis Date = 04/03/02 Pct Recovery = 69% Analysis Date = 03/28/02 Pct Recovery = 69% Analysis Date = 03/28/02 Pct Recovery = 69% Analysis Date = 03/21/02 Pct Recovery = 69% Analysis Date = 03/21/02 Pct Recovery = 69% Analysis Date = 03/15/02 Pct Recovery = 70% Analysis Date = 03/15/02 Pct Recovery = 70% Analysis Date = 03/09/02 Pct Recovery = 70% Analysis Date = 03/09/02 Pct Recovery = 70% Analysis Date = 03/03/02 Pct Recovery = 71% Analysis Date = 03/03/02 Pct Recovery = 71% Analysis Date = 02/25/02 Pct Recovery = 71% Analysis Date = 02/25/02 Pct Recovery = 71% Analysis Date = 02/19/02 Pct Recovery = 71% Analysis Date = 02/19/02 Pct Recovery = 71% Analysis Date = 02/13/02 Pct Recovery = 72% Analysis Date = 02/13/02 Pct Recovery = 72% Analysis Date = 02/06/02 Pct Recovery = 72% Analysis Date = 02/06/02 Pct Recovery = 72% Analysis Date = 01/31/02 Pct Recovery = 73% Analysis Date = 01/31/02 Pct Recovery = 73% Analysis Date = 01/25/02 Pct Recovery = 73% Analysis Date = 01/25/02 Pct Recovery = 73% Analysis Date = 01/19/02 Pct Recovery = 73% Analysis Date = 01/19/02 Pct Recovery = 73% Analysis Date = 01/13/02 Pct Recovery = 74% Analysis Date = 01/13/02 Pct Recovery = 74% Analysis Date = 01/07/02 Pct Recovery = 74% Analysis Date = 01/07/02 Pct Recovery = 74% Analysis Date = 12/31/01 Pct Recovery = 75% Analysis Date = 12/31/01 Pct Recovery = 75% Analysis Date = 12/25/01 Pct Recovery = 76% Analysis Date = 12/25/01 Pct Recovery = 76% Analysis Date = 12/19/01 Pct Recovery = 76% Analysis Date = 12/19/01 Pct Recovery = 76% Analysis Date = 12/13/01 Pct Recovery = 77% Analysis Date = 12/13/01 Pct Recovery = 77% Analysis Date = 12/07/01 Pct Recovery = 77% Analysis Date = 12/07/01 Pct Recovery = 77% Analysis Date = 12/01/01 Pct Recovery = 78% Analysis Date = 12/01/01 Pct Recovery = 78% Analysis Date = 11/24/01 Pct Recovery = 78% Analysis Date = 11/24/01 Pct Recovery = 78% Analysis Date = 11/18/01 Pct Recovery = 79% Analysis Date = 11/18/01 Pct Recovery = 79% Analysis Date = 11/12/01 Pct Recovery = 79% Analysis Date = 11/12/01 Pct Recovery = 79% Analysis Date = 11/06/01 Pct Recovery = 80% Analysis Date = 11/06/01 Pct Recovery = 80% Analysis Date = 10/31/01 Pct Recovery = 81% Analysis Date = 10/31/01 Pct Recovery = 81% Analysis Date = 10/25/01 Pct Recovery = 81% Analysis Date = 10/25/01 Pct Recovery = 81% Analysis Date = 10/19/01 Pct Recovery = 82% Analysis Date = 10/19/01 Pct Recovery = 82% Analysis Date = 10/12/01 Pct Recovery = 82% Analysis Date = 10/12/01 Pct Recovery = 82% Analysis Date = 10/06/01 Pct Recovery = 83% Analysis Date = 10/06/01 Pct Recovery = 83% Analysis Date = 09/30/01 Pct Recovery = 83% Analysis Date = 09/30/01 Pct Recovery = 83% Analysis Date = 09/24/01 Pct Recovery = 84% Analysis Date = 09/24/01 Pct Recovery = 84% Analysis Date = 09/18/01 Pct Recovery = 85% Analysis Date = 09/18/01 Pct Recovery = 85% Analysis Date = 09/12/01 Pct Recovery = 85% Analysis Date = 09/12/01 Pct Recovery = 85% Analysis Date = 09/05/01 Pct Recovery = 86% Analysis Date = 09/05/01 Pct Recovery = 86% Analysis Date = 08/30/01 Pct Recovery = 86% Analysis Date = 08/30/01 Pct Recovery = 86% Analysis Date = 08/24/01 Pct Recovery = 87% Analysis Date = 08/24/01 Pct Recovery = 87% Analysis Date = 08/18/01 Pct Recovery = 87% Analysis Date = 08/18/01 Pct Recovery = 87% Analysis Date = 08/12/01 Pct Recovery = 88% Analysis Date = 08/12/01 Pct Recovery = 88% Analysis Date = 08/06/01 Pct Recovery = 88% Analysis Date = 08/06/01 Pct Recovery = 88% Analysis Date = 07/30/01 Pct Recovery = 89% Analysis Date = 07/30/01 Pct Recovery = 89% Analysis Date = 07/24/01 Pct Recovery = 90% Analysis Date = 07/24/01 Pct Recovery = 90% Analysis Date = 07/18/01 Pct Recovery = 90% Analysis Date = 07/18/01 Pct Recovery = 90% Analysis Date = 07/12/01 Pct Recovery = 91% Analysis Date = 07/12/01 Pct Recovery = 91% Analysis Date = 07/06/01 Pct Recovery = 91% Analysis Date = 07/06/01 Pct Recovery = 91% Analysis Date = 06/30/01 Pct Recovery = 92% Analysis Date = 06/30/01 Pct Recovery = 92% Analysis Date = 06/24/01 Pct Recovery = 92% Analysis Date = 06/24/01 Pct Recovery = 92% Analysis Date = 06/17/01 Pct Recovery = 93% Analysis Date = 06/17/01 Pct Recovery = 93% Analysis Date = 06/11/01 Pct Recovery = 94% Analysis Date = 06/11/01 Pct Recovery = 94% Analysis Date = 06/05/01 Pct Recovery = 94% Analysis Date = 06/05/01 Pct Recovery = 94% Analysis Date = 05/30/01 Pct Recovery = 95% Analysis Date = 05/30/01 Pct Recovery = 95% Analysis Date = 05/24/01 Pct Recovery = 95% Analysis Date = 05/24/01 Pct Recovery = 95% Analysis Date = 05/18/01 Pct Recovery = 96% Analysis Date = 05/18/01 Pct Recovery = 96% Analysis Date = 05/11/01 Pct Recovery = 96% Analysis Date = 05/11/01 Pct Recovery = 96% Analysis Date = 05/05/01 Pct Recovery = 97% Analysis Date = 05/05/01 Pct Recovery = 97% Analysis Date = 04/29/01 Pct Recovery = 97% Analysis Date = 04/29/01 Pct Recovery = 97% Analysis Date = 04/23/01 Pct Recovery = 98% Analysis Date = 04/23/01 Pct Recovery = 98% Analysis Date = 04/17/01 Pct Recovery = 99% Analysis Date = 04/17/01 Pct Recovery = 99% Analysis Date = 04/11/01 Pct Recovery = 99% Analysis Date = 04/11/01 Pct Recovery = 99% Analysis Date = 04/05/01 Pct Recovery = 100% Analysis Date = 04/05/01 Pct Recovery = 100% Analysis Date = 03/29/01 Pct Recovery = 100% Analysis Date = 03/29/01 Pct Recovery = 100% Analysis Date = 03/23/01 Pct Recovery = 101% Analysis Date = 03/23/01 Pct Recovery = 101% Analysis Date = 03/17/01 Pct Recovery = 101% Analysis Date = 03/17/01 Pct Recovery = 101% Analysis Date = 03/11/01 Pct Recovery = 102% Analysis Date = 03/11/01 Pct Recovery = 102% Analysis Date = 03/05/01 Pct Recovery = 103% Analysis Date = 03/05/01 Pct Recovery = 103% Analysis Date = 02/27/01 Pct Recovery = 103% Analysis Date = 02/27/01 Pct Recovery = 103% Analysis Date = 02/20/01 Pct Recovery = 104% Analysis Date = 02/20/01 Pct Recovery = 104% Analysis Date = 02/14/01 Pct Recovery = 104% Analysis Date = 02/14/01 Pct Recovery = 104% Analysis Date = 02/08/01 Pct Recovery = 105% Analysis Date = 02/08/01 Pct Recovery = 105% Analysis Date = 02/02/01 Pct Recovery = 105% Analysis Date = 02/02/01 Pct Recovery = 105% Analysis Date = 01/27/01 Pct Recovery = 106% Analysis Date = 01/27/01 Pct Recovery = 106% Analysis Date = 01/21/01 Pct Recovery = 106% Analysis Date = 01/21/01 Pct Recovery = 106% Analysis Date = 01/14/01 Pct Recovery = 107% Analysis Date = 01/14/01 Pct Recovery = 107% Analysis Date = 01/08/01 Pct Recovery = 108% Analysis Date = 01/08/01 Pct Recovery = 108% Analysis Date = 01/02/01 Pct Recovery = 108% Analysis Date = 01/02/01 Pct Recovery = 108% Analysis Date = 12/27/00 Pct Recovery = 109% Analysis Date = 12/27/00 Pct Recovery = 109% Analysis Date = 12/21/00 Pct Recovery = 109% Analysis Date = 12/21/00 Pct Recovery = 109% Analysis Date = 12/15/00 Pct Recovery = 110% Analysis Date = 12/15/00 Pct Recovery = 110% Analysis Date = 12/09/00 Pct Recovery = 110% Analysis Date = 12/09/00 Pct Recovery = 110% Analysis Date = 12/02/00 Pct Recovery = 111% Analysis Date = 12/02/00 Pct Recovery = 111% Analysis Date = 11/26/00 Pct Recovery = 112% Analysis Date = 11/26/00 Pct Recovery = 112% Analysis Date = 11/20/00 Pct Recovery = 112% Analysis Date = 11/20/00 Pct Recovery = 112% Analysis Date = 11/14/00 Pct Recovery = 112% Analysis Date = 11/14/00 Pct Recovery = 112% Analysis Date = 11/08/00 Pct Recovery = 111% Analysis Date = 11/08/00 Pct Recovery = 111% Analysis Date = 11/02/00 Pct Recovery = 110% Analysis Date = 11/02/00 Pct Recovery = 110% Analysis Date = 10/26/00 Pct Recovery = 109% Analysis Date = 10/26/00 Pct Recovery = 109% Analysis Date = 10/20/00 Pct Recovery = 108% Analysis Date = 10/20/00 Pct Recovery = 108% Analysis Date = 10/14/00 Pct Recovery = 107% Analysis Date = 10/14/00 Pct Recovery = 107% Analysis Date = 10/08/00 Pct Recovery = 106% Analysis Date = 10/08/00 Pct Recovery = 106% Analysis Date = 10/02/00 Pct Recovery = 105% Analysis Date = 10/02/00 Pct Recovery = 105% Analysis Date = 09/26/00 Pct Recovery = 104% Analysis Date = 09/26/00 Pct Recovery = 104% Analysis Date = 09/20/00 Pct Recovery = 103% Analysis Date = 09/20/00 Pct Recovery = 103% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 101% Analysis Date = 09/07/00 Pct Recovery = 101% Analysis Date = 09/01/00 Pct Recovery = 100% Analysis Date = 09/01/00 Pct Recovery = 100% Analysis Date = 08/26/00 Pct Recovery = 99% Analysis Date = 08/26/00 Pct Recovery = 99% Analysis Date = 08/20/00 Pct Recovery = 98% Analysis Date = 08/20/00 Pct Recovery = 98% Analysis Date = 08/14/00 Pct Recovery = 97% Analysis Date = 08/14/00 Pct Recovery = 97% Analysis Date = 08/07/00 Pct Recovery = 96% Analysis Date = 08/07/00 Pct Recovery = 96% Analysis Date = 08/01/00 Pct Recovery = 95% Analysis Date = 08/01/00 Pct Recovery = 95% Analysis Date = 07/26/00 Pct Recovery = 94% Analysis Date = 07/26/00 Pct Recovery = 94% Analysis Date = 07/20/00 Pct Recovery = 93% Analysis Date = 07/20/00 Pct Recovery = 93% Analysis Date = 07/14/00 Pct Recovery = 92% Analysis Date = 07/14/00 Pct Recovery = 92% Analysis Date = 07/08/00 Pct Recovery = 91% Analysis Date = 07/08/00 Pct Recovery = 91% Analysis Date = 07/01/00 Pct Recovery = 90% Analysis Date = 07/01/00 Pct Recovery = 90% Analysis Date = 06/25/00 Pct Recovery = 88% Analysis Date = 06/25/00 Pct Recovery = 88% Analysis Date = 06/19/00 Pct Recovery = 87% Analysis Date = 06/19/00 Pct Recovery = 87% Analysis Date = 06/13/00 Pct Recovery = 86% Analysis Date = 06/13/00 Pct Recovery = 86% Analysis Date = 06/07/00 Pct Recovery = 85% Analysis Date = 06/07/00 Pct Recovery = 85% Analysis Date = 06/01/00 Pct Recovery = 84% Analysis Date = 06/01/00 Pct Recovery = 84% Analysis Date = 05/26/00 Pct Recovery = 83% Analysis Date = 05/26/00 Pct Recovery = 83% Analysis Date = 05/19/00 Pct Recovery = 82% Analysis Date = 05/19/00 Pct Recovery = 82% Analysis Date = 05/13/00 Pct Recovery = 81% Analysis Date = 05/13/00 Pct Recovery = 81% Analysis Date = 05/07/00 Pct Recovery = 79% Analysis Date = 05/07/00 Pct Recovery = 79% Analysis Date = 05/01/00 Pct Recovery = 78% Analysis Date = 05/01/00 Pct Recovery = 78% Analysis Date = 04/25/00 Pct Recovery = 77% Analysis Date = 04/25/00 Pct Recovery = 77% Analysis Date = 04/19/00 Pct Recovery = 76% Analysis Date = 04/19/00 Pct Recovery = 76% Analysis Date = 04/12/00 Pct Recovery = 75% Analysis Date = 04/12/00 Pct Recovery = 75% Analysis Date = 04/06/00 Pct Recovery = 74% Analysis Date = 04/06/00 Pct Recovery = 74% Analysis Date = 03/31/00 Pct Recovery = 72% Analysis Date = 03/31/00 Pct Recovery = 72% Analysis Date = 03/25/00 Pct Recovery = 71% Analysis Date = 03/25/00 Pct Recovery = 71% Analysis Date = 03/19/00 Pct Recovery = 70% Analysis Date = 03/19/00 Pct Recovery = 70% Analysis Date = 03/13/00 Pct Recovery = 69% Analysis Date = 03/13/00 Pct Recovery = 69% Analysis Date = 03/06/00 Pct Recovery = 68% Analysis Date = 03/06/00 Pct Recovery = 68% Analysis Date = 02/29/00 Pct Recovery = 67% Analysis Date = 02/29/00 Pct Recovery = 67% Analysis Date = 02/23/00 Pct Recovery = 65% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
BROMOMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 13 76% 20% 73% 6%
Total 13 76% 20% 73% 6%

Sample Statistics
BROMOMETHANE

Characteristic N % % Basis
Plotted 13 93% Spiked
Estimated Values 13 93% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 14 .  
False Negatives 1 7% 1 out of 14
Not Spiked 22 .  
False Positives 3 14% 3 out of 22

BQS OBSP Determination:
BUTYLBENZENE
METHOD: 4054 , TESTIDCODE: 77342GCM66
Open Data Set

Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 83% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 80% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 95% Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 114% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 124% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 99% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 87% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 122% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 85% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 98% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 94% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 111% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 108% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 119% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 99% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 108% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 95% Analysis Date = 10/04/03 Pct Recovery = 94% Analysis Date = 09/27/03 Pct Recovery = 94% Analysis Date = 09/27/03 Pct Recovery = 94% Analysis Date = 09/20/03 Pct Recovery = 95% Analysis Date = 09/20/03 Pct Recovery = 95% Analysis Date = 09/14/03 Pct Recovery = 95% Analysis Date = 09/14/03 Pct Recovery = 95% Analysis Date = 09/07/03 Pct Recovery = 95% Analysis Date = 09/07/03 Pct Recovery = 95% Analysis Date = 09/01/03 Pct Recovery = 96% Analysis Date = 09/01/03 Pct Recovery = 96% Analysis Date = 08/25/03 Pct Recovery = 96% Analysis Date = 08/25/03 Pct Recovery = 96% Analysis Date = 08/18/03 Pct Recovery = 97% Analysis Date = 08/18/03 Pct Recovery = 97% Analysis Date = 08/12/03 Pct Recovery = 97% Analysis Date = 08/12/03 Pct Recovery = 97% Analysis Date = 08/05/03 Pct Recovery = 97% Analysis Date = 08/05/03 Pct Recovery = 97% Analysis Date = 07/30/03 Pct Recovery = 98% Analysis Date = 07/30/03 Pct Recovery = 98% Analysis Date = 07/23/03 Pct Recovery = 98% Analysis Date = 07/23/03 Pct Recovery = 98% Analysis Date = 07/16/03 Pct Recovery = 98% Analysis Date = 07/16/03 Pct Recovery = 98% Analysis Date = 07/10/03 Pct Recovery = 99% Analysis Date = 07/10/03 Pct Recovery = 99% Analysis Date = 07/03/03 Pct Recovery = 99% Analysis Date = 07/03/03 Pct Recovery = 99% Analysis Date = 06/27/03 Pct Recovery = 99% Analysis Date = 06/27/03 Pct Recovery = 99% Analysis Date = 06/20/03 Pct Recovery = 99% Analysis Date = 06/20/03 Pct Recovery = 99% Analysis Date = 06/13/03 Pct Recovery = 100% Analysis Date = 06/13/03 Pct Recovery = 100% Analysis Date = 06/07/03 Pct Recovery = 100% Analysis Date = 06/07/03 Pct Recovery = 100% Analysis Date = 05/31/03 Pct Recovery = 100% Analysis Date = 05/31/03 Pct Recovery = 100% Analysis Date = 05/25/03 Pct Recovery = 100% Analysis Date = 05/25/03 Pct Recovery = 100% Analysis Date = 05/18/03 Pct Recovery = 100% Analysis Date = 05/18/03 Pct Recovery = 100% Analysis Date = 05/11/03 Pct Recovery = 100% Analysis Date = 05/11/03 Pct Recovery = 100% Analysis Date = 05/05/03 Pct Recovery = 100% Analysis Date = 05/05/03 Pct Recovery = 100% Analysis Date = 04/28/03 Pct Recovery = 100% Analysis Date = 04/28/03 Pct Recovery = 100% Analysis Date = 04/22/03 Pct Recovery = 100% Analysis Date = 04/22/03 Pct Recovery = 100% Analysis Date = 04/15/03 Pct Recovery = 100% Analysis Date = 04/15/03 Pct Recovery = 100% Analysis Date = 04/09/03 Pct Recovery = 101% Analysis Date = 04/09/03 Pct Recovery = 101% Analysis Date = 04/02/03 Pct Recovery = 101% Analysis Date = 04/02/03 Pct Recovery = 101% Analysis Date = 03/26/03 Pct Recovery = 101% Analysis Date = 03/26/03 Pct Recovery = 101% Analysis Date = 03/20/03 Pct Recovery = 101% Analysis Date = 03/20/03 Pct Recovery = 101% Analysis Date = 03/13/03 Pct Recovery = 101% Analysis Date = 03/13/03 Pct Recovery = 101% Analysis Date = 03/07/03 Pct Recovery = 101% Analysis Date = 03/07/03 Pct Recovery = 101% Analysis Date = 02/28/03 Pct Recovery = 101% Analysis Date = 02/28/03 Pct Recovery = 101% Analysis Date = 02/21/03 Pct Recovery = 101% Analysis Date = 02/21/03 Pct Recovery = 101% Analysis Date = 02/15/03 Pct Recovery = 101% Analysis Date = 02/15/03 Pct Recovery = 101% Analysis Date = 02/08/03 Pct Recovery = 101% Analysis Date = 02/08/03 Pct Recovery = 101% Analysis Date = 02/02/03 Pct Recovery = 101% Analysis Date = 02/02/03 Pct Recovery = 101% Analysis Date = 01/26/03 Pct Recovery = 101% Analysis Date = 01/26/03 Pct Recovery = 101% Analysis Date = 01/19/03 Pct Recovery = 101% Analysis Date = 01/19/03 Pct Recovery = 101% Analysis Date = 01/13/03 Pct Recovery = 101% Analysis Date = 01/13/03 Pct Recovery = 101% Analysis Date = 01/06/03 Pct Recovery = 102% Analysis Date = 01/06/03 Pct Recovery = 102% Analysis Date = 12/31/02 Pct Recovery = 102% Analysis Date = 12/31/02 Pct Recovery = 102% Analysis Date = 12/24/02 Pct Recovery = 102% Analysis Date = 12/24/02 Pct Recovery = 102% Analysis Date = 12/17/02 Pct Recovery = 102% Analysis Date = 12/17/02 Pct Recovery = 102% Analysis Date = 12/11/02 Pct Recovery = 102% Analysis Date = 12/11/02 Pct Recovery = 102% Analysis Date = 12/04/02 Pct Recovery = 102% Analysis Date = 12/04/02 Pct Recovery = 102% Analysis Date = 11/28/02 Pct Recovery = 102% Analysis Date = 11/28/02 Pct Recovery = 102% Analysis Date = 11/21/02 Pct Recovery = 102% Analysis Date = 11/21/02 Pct Recovery = 102% Analysis Date = 11/15/02 Pct Recovery = 102% Analysis Date = 11/15/02 Pct Recovery = 102% Analysis Date = 11/08/02 Pct Recovery = 102% Analysis Date = 11/08/02 Pct Recovery = 102% Analysis Date = 11/01/02 Pct Recovery = 102% Analysis Date = 11/01/02 Pct Recovery = 102% Analysis Date = 10/26/02 Pct Recovery = 102% Analysis Date = 10/26/02 Pct Recovery = 102% Analysis Date = 10/19/02 Pct Recovery = 102% Analysis Date = 10/19/02 Pct Recovery = 102% Analysis Date = 10/13/02 Pct Recovery = 102% Analysis Date = 10/13/02 Pct Recovery = 102% Analysis Date = 10/06/02 Pct Recovery = 102% Analysis Date = 10/06/02 Pct Recovery = 102% Analysis Date = 09/29/02 Pct Recovery = 103% Analysis Date = 09/29/02 Pct Recovery = 103% Analysis Date = 09/23/02 Pct Recovery = 103% Analysis Date = 09/23/02 Pct Recovery = 103% Analysis Date = 09/16/02 Pct Recovery = 103% Analysis Date = 09/16/02 Pct Recovery = 103% Analysis Date = 09/10/02 Pct Recovery = 103% Analysis Date = 09/10/02 Pct Recovery = 103% Analysis Date = 09/03/02 Pct Recovery = 103% Analysis Date = 09/03/02 Pct Recovery = 103% Analysis Date = 08/27/02 Pct Recovery = 103% Analysis Date = 08/27/02 Pct Recovery = 103% Analysis Date = 08/21/02 Pct Recovery = 103% Analysis Date = 08/21/02 Pct Recovery = 103% Analysis Date = 08/14/02 Pct Recovery = 103% Analysis Date = 08/14/02 Pct Recovery = 103% Analysis Date = 08/08/02 Pct Recovery = 103% Analysis Date = 08/08/02 Pct Recovery = 103% Analysis Date = 08/01/02 Pct Recovery = 103% Analysis Date = 08/01/02 Pct Recovery = 103% Analysis Date = 07/25/02 Pct Recovery = 103% Analysis Date = 07/25/02 Pct Recovery = 103% Analysis Date = 07/19/02 Pct Recovery = 103% Analysis Date = 07/19/02 Pct Recovery = 103% Analysis Date = 07/12/02 Pct Recovery = 104% Analysis Date = 07/12/02 Pct Recovery = 104% Analysis Date = 07/06/02 Pct Recovery = 104% Analysis Date = 07/06/02 Pct Recovery = 104% Analysis Date = 06/29/02 Pct Recovery = 104% Analysis Date = 06/29/02 Pct Recovery = 104% Analysis Date = 06/22/02 Pct Recovery = 104% Analysis Date = 06/22/02 Pct Recovery = 104% Analysis Date = 06/16/02 Pct Recovery = 104% Analysis Date = 06/16/02 Pct Recovery = 104% Analysis Date = 06/09/02 Pct Recovery = 104% Analysis Date = 06/09/02 Pct Recovery = 104% Analysis Date = 06/03/02 Pct Recovery = 104% Analysis Date = 06/03/02 Pct Recovery = 104% Analysis Date = 05/27/02 Pct Recovery = 104% Analysis Date = 05/27/02 Pct Recovery = 104% Analysis Date = 05/21/02 Pct Recovery = 105% Analysis Date = 05/21/02 Pct Recovery = 105% Analysis Date = 05/14/02 Pct Recovery = 105% Analysis Date = 05/14/02 Pct Recovery = 105% Analysis Date = 05/07/02 Pct Recovery = 105% Analysis Date = 05/07/02 Pct Recovery = 105% Analysis Date = 05/01/02 Pct Recovery = 105% Analysis Date = 05/01/02 Pct Recovery = 105% Analysis Date = 04/24/02 Pct Recovery = 105% Analysis Date = 04/24/02 Pct Recovery = 105% Analysis Date = 04/18/02 Pct Recovery = 106% Analysis Date = 04/18/02 Pct Recovery = 106% Analysis Date = 04/11/02 Pct Recovery = 106% Analysis Date = 04/11/02 Pct Recovery = 106% Analysis Date = 04/04/02 Pct Recovery = 106% Analysis Date = 04/04/02 Pct Recovery = 106% Analysis Date = 03/29/02 Pct Recovery = 106% Analysis Date = 03/29/02 Pct Recovery = 106% Analysis Date = 03/22/02 Pct Recovery = 107% Analysis Date = 03/22/02 Pct Recovery = 107% Analysis Date = 03/16/02 Pct Recovery = 107% Analysis Date = 03/16/02 Pct Recovery = 107% Analysis Date = 03/09/02 Pct Recovery = 107% Analysis Date = 03/09/02 Pct Recovery = 107% Analysis Date = 03/02/02 Pct Recovery = 107% Analysis Date = 03/02/02 Pct Recovery = 107% Analysis Date = 02/24/02 Pct Recovery = 107% Analysis Date = 02/24/02 Pct Recovery = 107% Analysis Date = 02/17/02 Pct Recovery = 108% Analysis Date = 02/17/02 Pct Recovery = 108% Analysis Date = 02/11/02 Pct Recovery = 107% Analysis Date = 02/11/02 Pct Recovery = 107% Analysis Date = 02/04/02 Pct Recovery = 107% Analysis Date = 02/04/02 Pct Recovery = 107% Analysis Date = 01/28/02 Pct Recovery = 107% Analysis Date = 01/28/02 Pct Recovery = 107% Analysis Date = 01/22/02 Pct Recovery = 107% Analysis Date = 01/22/02 Pct Recovery = 107% Analysis Date = 01/15/02 Pct Recovery = 107% Analysis Date = 01/15/02 Pct Recovery = 107% Analysis Date = 01/09/02 Pct Recovery = 107% Analysis Date = 01/09/02 Pct Recovery = 107% Analysis Date = 01/02/02 Pct Recovery = 107% Analysis Date = 01/02/02 Pct Recovery = 107% Analysis Date = 12/27/01 Pct Recovery = 107% Analysis Date = 12/27/01 Pct Recovery = 107% Analysis Date = 12/20/01 Pct Recovery = 107% Analysis Date = 12/20/01 Pct Recovery = 107% Analysis Date = 12/13/01 Pct Recovery = 106% Analysis Date = 12/13/01 Pct Recovery = 106% Analysis Date = 12/07/01 Pct Recovery = 106% Analysis Date = 12/07/01 Pct Recovery = 106% Analysis Date = 11/30/01 Pct Recovery = 106% Analysis Date = 11/30/01 Pct Recovery = 106% Analysis Date = 11/24/01 Pct Recovery = 106% Analysis Date = 11/24/01 Pct Recovery = 106% Analysis Date = 11/17/01 Pct Recovery = 106% Analysis Date = 11/17/01 Pct Recovery = 106% Analysis Date = 11/10/01 Pct Recovery = 106% Analysis Date = 11/10/01 Pct Recovery = 106% Analysis Date = 11/04/01 Pct Recovery = 106% Analysis Date = 11/04/01 Pct Recovery = 106% Analysis Date = 10/28/01 Pct Recovery = 106% Analysis Date = 10/28/01 Pct Recovery = 106% Analysis Date = 10/22/01 Pct Recovery = 106% Analysis Date = 10/22/01 Pct Recovery = 106% Analysis Date = 10/15/01 Pct Recovery = 106% Analysis Date = 10/15/01 Pct Recovery = 106% Analysis Date = 10/08/01 Pct Recovery = 105% Analysis Date = 10/08/01 Pct Recovery = 105% Analysis Date = 10/02/01 Pct Recovery = 105% Analysis Date = 10/02/01 Pct Recovery = 105% Analysis Date = 09/25/01 Pct Recovery = 105% Analysis Date = 09/25/01 Pct Recovery = 105% Analysis Date = 09/19/01 Pct Recovery = 105% Analysis Date = 09/19/01 Pct Recovery = 105% Analysis Date = 09/12/01 Pct Recovery = 105% Analysis Date = 09/12/01 Pct Recovery = 105% Analysis Date = 09/05/01 Pct Recovery = 105% Analysis Date = 09/05/01 Pct Recovery = 105% Analysis Date = 08/30/01 Pct Recovery = 105% Analysis Date = 08/30/01 Pct Recovery = 105% Analysis Date = 08/23/01 Pct Recovery = 105% Analysis Date = 08/23/01 Pct Recovery = 105% Analysis Date = 08/17/01 Pct Recovery = 105% Analysis Date = 08/17/01 Pct Recovery = 105% Analysis Date = 08/10/01 Pct Recovery = 104% Analysis Date = 08/10/01 Pct Recovery = 104% Analysis Date = 08/04/01 Pct Recovery = 104% Analysis Date = 08/04/01 Pct Recovery = 104% Analysis Date = 07/28/01 Pct Recovery = 104% Analysis Date = 07/28/01 Pct Recovery = 104% Analysis Date = 07/21/01 Pct Recovery = 104% Analysis Date = 07/21/01 Pct Recovery = 104% Analysis Date = 07/15/01 Pct Recovery = 104% Analysis Date = 07/15/01 Pct Recovery = 104% Analysis Date = 07/08/01 Pct Recovery = 104% Analysis Date = 07/08/01 Pct Recovery = 104% Analysis Date = 07/02/01 Pct Recovery = 104% Analysis Date = 07/02/01 Pct Recovery = 104% Analysis Date = 06/25/01 Pct Recovery = 104% Analysis Date = 06/25/01 Pct Recovery = 104% Analysis Date = 06/18/01 Pct Recovery = 104% Analysis Date = 06/18/01 Pct Recovery = 104% Analysis Date = 06/12/01 Pct Recovery = 104% Analysis Date = 06/12/01 Pct Recovery = 104% Analysis Date = 06/05/01 Pct Recovery = 103% Analysis Date = 06/05/01 Pct Recovery = 103% Analysis Date = 05/30/01 Pct Recovery = 103% Analysis Date = 05/30/01 Pct Recovery = 103% Analysis Date = 05/23/01 Pct Recovery = 103% Analysis Date = 05/23/01 Pct Recovery = 103% Analysis Date = 05/16/01 Pct Recovery = 103% Analysis Date = 05/16/01 Pct Recovery = 103% Analysis Date = 05/10/01 Pct Recovery = 103% Analysis Date = 05/10/01 Pct Recovery = 103% Analysis Date = 05/03/01 Pct Recovery = 103% Analysis Date = 05/03/01 Pct Recovery = 103% Analysis Date = 04/27/01 Pct Recovery = 103% Analysis Date = 04/27/01 Pct Recovery = 103% Analysis Date = 04/20/01 Pct Recovery = 103% Analysis Date = 04/20/01 Pct Recovery = 103% Analysis Date = 04/13/01 Pct Recovery = 103% Analysis Date = 04/13/01 Pct Recovery = 103% Analysis Date = 04/07/01 Pct Recovery = 102% Analysis Date = 04/07/01 Pct Recovery = 102% Analysis Date = 03/31/01 Pct Recovery = 102% Analysis Date = 03/31/01 Pct Recovery = 102% Analysis Date = 03/25/01 Pct Recovery = 102% Analysis Date = 03/25/01 Pct Recovery = 102% Analysis Date = 03/18/01 Pct Recovery = 102% Analysis Date = 03/18/01 Pct Recovery = 102% Analysis Date = 03/11/01 Pct Recovery = 102% Analysis Date = 03/11/01 Pct Recovery = 102% Analysis Date = 03/05/01 Pct Recovery = 102% Analysis Date = 03/05/01 Pct Recovery = 102% Analysis Date = 02/26/01 Pct Recovery = 102% Analysis Date = 02/26/01 Pct Recovery = 102% Analysis Date = 02/20/01 Pct Recovery = 102% Analysis Date = 02/20/01 Pct Recovery = 102% Analysis Date = 02/13/01 Pct Recovery = 102% Analysis Date = 02/13/01 Pct Recovery = 102% Analysis Date = 02/07/01 Pct Recovery = 102% Analysis Date = 02/07/01 Pct Recovery = 102% Analysis Date = 01/31/01 Pct Recovery = 101% Analysis Date = 01/31/01 Pct Recovery = 101% Analysis Date = 01/24/01 Pct Recovery = 101% Analysis Date = 01/24/01 Pct Recovery = 101% Analysis Date = 01/18/01 Pct Recovery = 101% Analysis Date = 01/18/01 Pct Recovery = 101% Analysis Date = 01/11/01 Pct Recovery = 101% Analysis Date = 01/11/01 Pct Recovery = 101% Analysis Date = 01/05/01 Pct Recovery = 101% Analysis Date = 01/05/01 Pct Recovery = 101% Analysis Date = 12/29/00 Pct Recovery = 101% Analysis Date = 12/29/00 Pct Recovery = 101% Analysis Date = 12/22/00 Pct Recovery = 101% Analysis Date = 12/22/00 Pct Recovery = 101% Analysis Date = 12/16/00 Pct Recovery = 101% Analysis Date = 12/16/00 Pct Recovery = 101% Analysis Date = 12/09/00 Pct Recovery = 101% Analysis Date = 12/09/00 Pct Recovery = 101% Analysis Date = 12/03/00 Pct Recovery = 100% Analysis Date = 12/03/00 Pct Recovery = 100% Analysis Date = 11/26/00 Pct Recovery = 100% Analysis Date = 11/26/00 Pct Recovery = 100% Analysis Date = 11/19/00 Pct Recovery = 100% Analysis Date = 11/19/00 Pct Recovery = 100% Analysis Date = 11/13/00 Pct Recovery = 100% Analysis Date = 11/13/00 Pct Recovery = 100% Analysis Date = 11/06/00 Pct Recovery = 100% Analysis Date = 11/06/00 Pct Recovery = 100% Analysis Date = 10/31/00 Pct Recovery = 100% Analysis Date = 10/31/00 Pct Recovery = 100% Analysis Date = 10/24/00 Pct Recovery = 100% Analysis Date = 10/24/00 Pct Recovery = 100% Analysis Date = 10/17/00 Pct Recovery = 100% Analysis Date = 10/17/00 Pct Recovery = 100% Analysis Date = 10/11/00 Pct Recovery = 100% Analysis Date = 10/11/00 Pct Recovery = 100% Analysis Date = 10/04/00 Pct Recovery = 100% Analysis Date = 10/04/00 Pct Recovery = 100% Analysis Date = 09/28/00 Pct Recovery = 100% Analysis Date = 09/28/00 Pct Recovery = 100% Analysis Date = 09/21/00 Pct Recovery = 100% Analysis Date = 09/21/00 Pct Recovery = 100% Analysis Date = 09/15/00 Pct Recovery = 100% Analysis Date = 09/15/00 Pct Recovery = 100% Analysis Date = 09/08/00 Pct Recovery = 100% Analysis Date = 09/08/00 Pct Recovery = 100% Analysis Date = 09/01/00 Pct Recovery = 100% Analysis Date = 09/01/00 Pct Recovery = 100% Analysis Date = 08/26/00 Pct Recovery = 99% Analysis Date = 08/26/00 Pct Recovery = 99% Analysis Date = 08/19/00 Pct Recovery = 99% Analysis Date = 08/19/00 Pct Recovery = 99% Analysis Date = 08/13/00 Pct Recovery = 99% Analysis Date = 08/13/00 Pct Recovery = 99% Analysis Date = 08/06/00 Pct Recovery = 99% Analysis Date = 08/06/00 Pct Recovery = 99% Analysis Date = 07/30/00 Pct Recovery = 99% Analysis Date = 07/30/00 Pct Recovery = 99% Analysis Date = 07/24/00 Pct Recovery = 99% Analysis Date = 07/24/00 Pct Recovery = 99% Analysis Date = 07/17/00 Pct Recovery = 99% Analysis Date = 07/17/00 Pct Recovery = 99% Analysis Date = 07/11/00 Pct Recovery = 99% Analysis Date = 07/11/00 Pct Recovery = 99% Analysis Date = 07/04/00 Pct Recovery = 99% Analysis Date = 07/04/00 Pct Recovery = 99% Analysis Date = 06/27/00 Pct Recovery = 99% Analysis Date = 06/27/00 Pct Recovery = 99% Analysis Date = 06/21/00 Pct Recovery = 99% Analysis Date = 06/21/00 Pct Recovery = 99% Analysis Date = 06/14/00 Pct Recovery = 99% Analysis Date = 06/14/00 Pct Recovery = 99% Analysis Date = 06/08/00 Pct Recovery = 99% Analysis Date = 06/08/00 Pct Recovery = 99% Analysis Date = 06/01/00 Pct Recovery = 99% Analysis Date = 06/01/00 Pct Recovery = 99% Analysis Date = 05/25/00 Pct Recovery = 99% Analysis Date = 05/25/00 Pct Recovery = 99% Analysis Date = 05/19/00 Pct Recovery = 99% Analysis Date = 05/19/00 Pct Recovery = 99% Analysis Date = 05/12/00 Pct Recovery = 99% Analysis Date = 05/12/00 Pct Recovery = 99% Analysis Date = 05/06/00 Pct Recovery = 99% Analysis Date = 05/06/00 Pct Recovery = 99% Analysis Date = 04/29/00 Pct Recovery = 99% Analysis Date = 04/29/00 Pct Recovery = 99% Analysis Date = 04/23/00 Pct Recovery = 99% Analysis Date = 04/23/00 Pct Recovery = 99% Analysis Date = 04/16/00 Pct Recovery = 98% Analysis Date = 04/16/00 Pct Recovery = 98% Analysis Date = 04/09/00 Pct Recovery = 98% Analysis Date = 04/09/00 Pct Recovery = 98% Analysis Date = 04/03/00 Pct Recovery = 98% Analysis Date = 04/03/00 Pct Recovery = 98% Analysis Date = 03/27/00 Pct Recovery = 98% Analysis Date = 03/27/00 Pct Recovery = 98% Analysis Date = 03/21/00 Pct Recovery = 98% Analysis Date = 03/21/00 Pct Recovery = 98% Analysis Date = 03/14/00 Pct Recovery = 98% Analysis Date = 03/14/00 Pct Recovery = 98% Analysis Date = 03/07/00 Pct Recovery = 98% Analysis Date = 03/07/00 Pct Recovery = 98% Analysis Date = 03/01/00 Pct Recovery = 98% Analysis Date = 03/01/00 Pct Recovery = 98% Analysis Date = 02/23/00 Pct Recovery = 98% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
BUTYLBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 17 101% 14% 99% 13%
Total 17 101% 14% 99% 13%

Sample Statistics
BUTYLBENZENE

Characteristic N % % Basis
Plotted 17 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 17 .  
False Negatives 0 0% 0 out of 17
Not Spiked 19 .  
False Positives 0 0% 0 out of 19

BQS OBSP Determination:
CARBON DISULFIDE
METHOD: 4054 , TESTIDCODE: 77041GCM66
Open Data Set

Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 118% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 106% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 106% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 106% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 101% Analysis Date = 07/31/01 Pct Recovery = 117% Analysis Date = 07/29/01 Pct Recovery = 117% Analysis Date = 07/29/01 Pct Recovery = 117% Analysis Date = 07/27/01 Pct Recovery = 117% Analysis Date = 07/27/01 Pct Recovery = 117% Analysis Date = 07/25/01 Pct Recovery = 117% Analysis Date = 07/25/01 Pct Recovery = 117% Analysis Date = 07/24/01 Pct Recovery = 117% Analysis Date = 07/24/01 Pct Recovery = 117% Analysis Date = 07/22/01 Pct Recovery = 117% Analysis Date = 07/22/01 Pct Recovery = 117% Analysis Date = 07/20/01 Pct Recovery = 116% Analysis Date = 07/20/01 Pct Recovery = 116% Analysis Date = 07/18/01 Pct Recovery = 116% Analysis Date = 07/18/01 Pct Recovery = 116% Analysis Date = 07/17/01 Pct Recovery = 116% Analysis Date = 07/17/01 Pct Recovery = 116% Analysis Date = 07/15/01 Pct Recovery = 116% Analysis Date = 07/15/01 Pct Recovery = 116% Analysis Date = 07/13/01 Pct Recovery = 116% Analysis Date = 07/13/01 Pct Recovery = 116% Analysis Date = 07/11/01 Pct Recovery = 115% Analysis Date = 07/11/01 Pct Recovery = 115% Analysis Date = 07/10/01 Pct Recovery = 115% Analysis Date = 07/10/01 Pct Recovery = 115% Analysis Date = 07/08/01 Pct Recovery = 115% Analysis Date = 07/08/01 Pct Recovery = 115% Analysis Date = 07/06/01 Pct Recovery = 115% Analysis Date = 07/06/01 Pct Recovery = 115% Analysis Date = 07/04/01 Pct Recovery = 115% Analysis Date = 07/04/01 Pct Recovery = 115% Analysis Date = 07/03/01 Pct Recovery = 115% Analysis Date = 07/03/01 Pct Recovery = 115% Analysis Date = 07/01/01 Pct Recovery = 114% Analysis Date = 07/01/01 Pct Recovery = 114% Analysis Date = 06/29/01 Pct Recovery = 114% Analysis Date = 06/29/01 Pct Recovery = 114% Analysis Date = 06/27/01 Pct Recovery = 114% Analysis Date = 06/27/01 Pct Recovery = 114% Analysis Date = 06/26/01 Pct Recovery = 114% Analysis Date = 06/26/01 Pct Recovery = 114% Analysis Date = 06/24/01 Pct Recovery = 114% Analysis Date = 06/24/01 Pct Recovery = 114% Analysis Date = 06/22/01 Pct Recovery = 113% Analysis Date = 06/22/01 Pct Recovery = 113% Analysis Date = 06/20/01 Pct Recovery = 113% Analysis Date = 06/20/01 Pct Recovery = 113% Analysis Date = 06/19/01 Pct Recovery = 113% Analysis Date = 06/19/01 Pct Recovery = 113% Analysis Date = 06/17/01 Pct Recovery = 113% Analysis Date = 06/17/01 Pct Recovery = 113% Analysis Date = 06/15/01 Pct Recovery = 113% Analysis Date = 06/15/01 Pct Recovery = 113% Analysis Date = 06/13/01 Pct Recovery = 112% Analysis Date = 06/13/01 Pct Recovery = 112% Analysis Date = 06/12/01 Pct Recovery = 112% Analysis Date = 06/12/01 Pct Recovery = 112% Analysis Date = 06/10/01 Pct Recovery = 112% Analysis Date = 06/10/01 Pct Recovery = 112% Analysis Date = 06/08/01 Pct Recovery = 112% Analysis Date = 06/08/01 Pct Recovery = 112% Analysis Date = 06/06/01 Pct Recovery = 112% Analysis Date = 06/06/01 Pct Recovery = 112% Analysis Date = 06/05/01 Pct Recovery = 112% Analysis Date = 06/05/01 Pct Recovery = 112% Analysis Date = 06/03/01 Pct Recovery = 111% Analysis Date = 06/03/01 Pct Recovery = 111% Analysis Date = 06/01/01 Pct Recovery = 111% Analysis Date = 06/01/01 Pct Recovery = 111% Analysis Date = 05/30/01 Pct Recovery = 111% Analysis Date = 05/30/01 Pct Recovery = 111% Analysis Date = 05/29/01 Pct Recovery = 111% Analysis Date = 05/29/01 Pct Recovery = 111% Analysis Date = 05/27/01 Pct Recovery = 111% Analysis Date = 05/27/01 Pct Recovery = 111% Analysis Date = 05/25/01 Pct Recovery = 110% Analysis Date = 05/25/01 Pct Recovery = 110% Analysis Date = 05/24/01 Pct Recovery = 110% Analysis Date = 05/24/01 Pct Recovery = 110% Analysis Date = 05/22/01 Pct Recovery = 110% Analysis Date = 05/22/01 Pct Recovery = 110% Analysis Date = 05/20/01 Pct Recovery = 110% Analysis Date = 05/20/01 Pct Recovery = 110% Analysis Date = 05/18/01 Pct Recovery = 110% Analysis Date = 05/18/01 Pct Recovery = 110% Analysis Date = 05/17/01 Pct Recovery = 109% Analysis Date = 05/17/01 Pct Recovery = 109% Analysis Date = 05/15/01 Pct Recovery = 109% Analysis Date = 05/15/01 Pct Recovery = 109% Analysis Date = 05/13/01 Pct Recovery = 109% Analysis Date = 05/13/01 Pct Recovery = 109% Analysis Date = 05/11/01 Pct Recovery = 109% Analysis Date = 05/11/01 Pct Recovery = 109% Analysis Date = 05/10/01 Pct Recovery = 109% Analysis Date = 05/10/01 Pct Recovery = 109% Analysis Date = 05/08/01 Pct Recovery = 109% Analysis Date = 05/08/01 Pct Recovery = 109% Analysis Date = 05/06/01 Pct Recovery = 108% Analysis Date = 05/06/01 Pct Recovery = 108% Analysis Date = 05/04/01 Pct Recovery = 108% Analysis Date = 05/04/01 Pct Recovery = 108% Analysis Date = 05/03/01 Pct Recovery = 108% Analysis Date = 05/03/01 Pct Recovery = 108% Analysis Date = 05/01/01 Pct Recovery = 108% Analysis Date = 05/01/01 Pct Recovery = 108% Analysis Date = 04/29/01 Pct Recovery = 108% Analysis Date = 04/29/01 Pct Recovery = 108% Analysis Date = 04/27/01 Pct Recovery = 107% Analysis Date = 04/27/01 Pct Recovery = 107% Analysis Date = 04/26/01 Pct Recovery = 107% Analysis Date = 04/26/01 Pct Recovery = 107% Analysis Date = 04/24/01 Pct Recovery = 107% Analysis Date = 04/24/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/20/01 Pct Recovery = 107% Analysis Date = 04/20/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 106% Analysis Date = 04/19/01 Pct Recovery = 106% Analysis Date = 04/17/01 Pct Recovery = 106% Analysis Date = 04/17/01 Pct Recovery = 106% Analysis Date = 04/15/01 Pct Recovery = 106% Analysis Date = 04/15/01 Pct Recovery = 106% Analysis Date = 04/13/01 Pct Recovery = 106% Analysis Date = 04/13/01 Pct Recovery = 106% Analysis Date = 04/12/01 Pct Recovery = 106% Analysis Date = 04/12/01 Pct Recovery = 106% Analysis Date = 04/10/01 Pct Recovery = 106% Analysis Date = 04/10/01 Pct Recovery = 106% Analysis Date = 04/08/01 Pct Recovery = 106% Analysis Date = 04/08/01 Pct Recovery = 106% Analysis Date = 04/06/01 Pct Recovery = 106% Analysis Date = 04/06/01 Pct Recovery = 106% Analysis Date = 04/05/01 Pct Recovery = 106% Analysis Date = 04/05/01 Pct Recovery = 106% Analysis Date = 04/03/01 Pct Recovery = 106% Analysis Date = 04/03/01 Pct Recovery = 106% Analysis Date = 04/01/01 Pct Recovery = 106% Analysis Date = 04/01/01 Pct Recovery = 106% Analysis Date = 03/30/01 Pct Recovery = 106% Analysis Date = 03/30/01 Pct Recovery = 106% Analysis Date = 03/29/01 Pct Recovery = 106% Analysis Date = 03/29/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/25/01 Pct Recovery = 106% Analysis Date = 03/25/01 Pct Recovery = 106% Analysis Date = 03/24/01 Pct Recovery = 106% Analysis Date = 03/24/01 Pct Recovery = 106% Analysis Date = 03/22/01 Pct Recovery = 106% Analysis Date = 03/22/01 Pct Recovery = 106% Analysis Date = 03/20/01 Pct Recovery = 106% Analysis Date = 03/20/01 Pct Recovery = 106% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/17/01 Pct Recovery = 106% Analysis Date = 03/17/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/13/01 Pct Recovery = 106% Analysis Date = 03/13/01 Pct Recovery = 106% Analysis Date = 03/11/01 Pct Recovery = 106% Analysis Date = 03/11/01 Pct Recovery = 106% Analysis Date = 03/10/01 Pct Recovery = 106% Analysis Date = 03/10/01 Pct Recovery = 106% Analysis Date = 03/08/01 Pct Recovery = 106% Analysis Date = 03/08/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/04/01 Pct Recovery = 106% Analysis Date = 03/04/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 03/01/01 Pct Recovery = 106% Analysis Date = 03/01/01 Pct Recovery = 106% Analysis Date = 02/27/01 Pct Recovery = 106% Analysis Date = 02/27/01 Pct Recovery = 106% Analysis Date = 02/25/01 Pct Recovery = 106% Analysis Date = 02/25/01 Pct Recovery = 106% Analysis Date = 02/24/01 Pct Recovery = 106% Analysis Date = 02/24/01 Pct Recovery = 106% Analysis Date = 02/22/01 Pct Recovery = 106% Analysis Date = 02/22/01 Pct Recovery = 106% Analysis Date = 02/20/01 Pct Recovery = 106% Analysis Date = 02/20/01 Pct Recovery = 106% Analysis Date = 02/18/01 Pct Recovery = 106% Analysis Date = 02/18/01 Pct Recovery = 106% Analysis Date = 02/17/01 Pct Recovery = 106% Analysis Date = 02/17/01 Pct Recovery = 106% Analysis Date = 02/15/01 Pct Recovery = 106% Analysis Date = 02/15/01 Pct Recovery = 106% Analysis Date = 02/13/01 Pct Recovery = 106% Analysis Date = 02/13/01 Pct Recovery = 106% Analysis Date = 02/11/01 Pct Recovery = 106% Analysis Date = 02/11/01 Pct Recovery = 106% Analysis Date = 02/10/01 Pct Recovery = 106% Analysis Date = 02/10/01 Pct Recovery = 106% Analysis Date = 02/08/01 Pct Recovery = 106% Analysis Date = 02/08/01 Pct Recovery = 106% Analysis Date = 02/06/01 Pct Recovery = 106% Analysis Date = 02/06/01 Pct Recovery = 106% Analysis Date = 02/04/01 Pct Recovery = 106% Analysis Date = 02/04/01 Pct Recovery = 106% Analysis Date = 02/03/01 Pct Recovery = 106% Analysis Date = 02/03/01 Pct Recovery = 106% Analysis Date = 02/01/01 Pct Recovery = 106% Analysis Date = 02/01/01 Pct Recovery = 106% Analysis Date = 01/30/01 Pct Recovery = 106% Analysis Date = 01/30/01 Pct Recovery = 106% Analysis Date = 01/28/01 Pct Recovery = 106% Analysis Date = 01/28/01 Pct Recovery = 106% Analysis Date = 01/27/01 Pct Recovery = 106% Analysis Date = 01/27/01 Pct Recovery = 106% Analysis Date = 01/25/01 Pct Recovery = 106% Analysis Date = 01/25/01 Pct Recovery = 106% Analysis Date = 01/23/01 Pct Recovery = 106% Analysis Date = 01/23/01 Pct Recovery = 106% Analysis Date = 01/22/01 Pct Recovery = 106% Analysis Date = 01/22/01 Pct Recovery = 106% Analysis Date = 01/20/01 Pct Recovery = 106% Analysis Date = 01/20/01 Pct Recovery = 106% Analysis Date = 01/18/01 Pct Recovery = 106% Analysis Date = 01/18/01 Pct Recovery = 106% Analysis Date = 01/16/01 Pct Recovery = 106% Analysis Date = 01/16/01 Pct Recovery = 106% Analysis Date = 01/15/01 Pct Recovery = 106% Analysis Date = 01/15/01 Pct Recovery = 106% Analysis Date = 01/13/01 Pct Recovery = 106% Analysis Date = 01/13/01 Pct Recovery = 106% Analysis Date = 01/11/01 Pct Recovery = 106% Analysis Date = 01/11/01 Pct Recovery = 106% Analysis Date = 01/09/01 Pct Recovery = 106% Analysis Date = 01/09/01 Pct Recovery = 106% Analysis Date = 01/08/01 Pct Recovery = 106% Analysis Date = 01/08/01 Pct Recovery = 106% Analysis Date = 01/06/01 Pct Recovery = 106% Analysis Date = 01/06/01 Pct Recovery = 106% Analysis Date = 01/04/01 Pct Recovery = 106% Analysis Date = 01/04/01 Pct Recovery = 106% Analysis Date = 01/02/01 Pct Recovery = 106% Analysis Date = 01/02/01 Pct Recovery = 106% Analysis Date = 01/01/01 Pct Recovery = 106% Analysis Date = 01/01/01 Pct Recovery = 106% Analysis Date = 12/30/00 Pct Recovery = 106% Analysis Date = 12/30/00 Pct Recovery = 106% Analysis Date = 12/28/00 Pct Recovery = 106% Analysis Date = 12/28/00 Pct Recovery = 106% Analysis Date = 12/26/00 Pct Recovery = 106% Analysis Date = 12/26/00 Pct Recovery = 106% Analysis Date = 12/25/00 Pct Recovery = 106% Analysis Date = 12/25/00 Pct Recovery = 106% Analysis Date = 12/23/00 Pct Recovery = 106% Analysis Date = 12/23/00 Pct Recovery = 106% Analysis Date = 12/21/00 Pct Recovery = 106% Analysis Date = 12/21/00 Pct Recovery = 106% Analysis Date = 12/19/00 Pct Recovery = 106% Analysis Date = 12/19/00 Pct Recovery = 106% Analysis Date = 12/18/00 Pct Recovery = 106% Analysis Date = 12/18/00 Pct Recovery = 106% Analysis Date = 12/16/00 Pct Recovery = 106% Analysis Date = 12/16/00 Pct Recovery = 106% Analysis Date = 12/14/00 Pct Recovery = 106% Analysis Date = 12/14/00 Pct Recovery = 106% Analysis Date = 12/12/00 Pct Recovery = 106% Analysis Date = 12/12/00 Pct Recovery = 106% Analysis Date = 12/11/00 Pct Recovery = 106% Analysis Date = 12/11/00 Pct Recovery = 106% Analysis Date = 12/09/00 Pct Recovery = 106% Analysis Date = 12/09/00 Pct Recovery = 106% Analysis Date = 12/07/00 Pct Recovery = 106% Analysis Date = 12/07/00 Pct Recovery = 106% Analysis Date = 12/05/00 Pct Recovery = 106% Analysis Date = 12/05/00 Pct Recovery = 106% Analysis Date = 12/04/00 Pct Recovery = 106% Analysis Date = 12/04/00 Pct Recovery = 106% Analysis Date = 12/02/00 Pct Recovery = 106% Analysis Date = 12/02/00 Pct Recovery = 106% Analysis Date = 11/30/00 Pct Recovery = 106% Analysis Date = 11/30/00 Pct Recovery = 106% Analysis Date = 11/28/00 Pct Recovery = 106% Analysis Date = 11/28/00 Pct Recovery = 106% Analysis Date = 11/27/00 Pct Recovery = 106% Analysis Date = 11/27/00 Pct Recovery = 106% Analysis Date = 11/25/00 Pct Recovery = 106% Analysis Date = 11/25/00 Pct Recovery = 106% Analysis Date = 11/23/00 Pct Recovery = 106% Analysis Date = 11/23/00 Pct Recovery = 106% Analysis Date = 11/22/00 Pct Recovery = 106% Analysis Date = 11/22/00 Pct Recovery = 106% Analysis Date = 11/20/00 Pct Recovery = 106% Analysis Date = 11/20/00 Pct Recovery = 106% Analysis Date = 11/18/00 Pct Recovery = 106% Analysis Date = 11/18/00 Pct Recovery = 106% Analysis Date = 11/16/00 Pct Recovery = 106% Analysis Date = 11/16/00 Pct Recovery = 106% Analysis Date = 11/15/00 Pct Recovery = 106% Analysis Date = 11/15/00 Pct Recovery = 106% Analysis Date = 11/13/00 Pct Recovery = 106% Analysis Date = 11/13/00 Pct Recovery = 106% Analysis Date = 11/11/00 Pct Recovery = 105% Analysis Date = 11/11/00 Pct Recovery = 105% Analysis Date = 11/09/00 Pct Recovery = 105% Analysis Date = 11/09/00 Pct Recovery = 105% Analysis Date = 11/08/00 Pct Recovery = 105% Analysis Date = 11/08/00 Pct Recovery = 105% Analysis Date = 11/06/00 Pct Recovery = 105% Analysis Date = 11/06/00 Pct Recovery = 105% Analysis Date = 11/04/00 Pct Recovery = 105% Analysis Date = 11/04/00 Pct Recovery = 105% Analysis Date = 11/02/00 Pct Recovery = 105% Analysis Date = 11/02/00 Pct Recovery = 105% Analysis Date = 11/01/00 Pct Recovery = 105% Analysis Date = 11/01/00 Pct Recovery = 105% Analysis Date = 10/30/00 Pct Recovery = 105% Analysis Date = 10/30/00 Pct Recovery = 105% Analysis Date = 10/28/00 Pct Recovery = 105% Analysis Date = 10/28/00 Pct Recovery = 105% Analysis Date = 10/26/00 Pct Recovery = 105% Analysis Date = 10/26/00 Pct Recovery = 105% Analysis Date = 10/25/00 Pct Recovery = 105% Analysis Date = 10/25/00 Pct Recovery = 105% Analysis Date = 10/23/00 Pct Recovery = 105% Analysis Date = 10/23/00 Pct Recovery = 105% Analysis Date = 10/21/00 Pct Recovery = 104% Analysis Date = 10/21/00 Pct Recovery = 104% Analysis Date = 10/19/00 Pct Recovery = 104% Analysis Date = 10/19/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 104% Analysis Date = 10/16/00 Pct Recovery = 104% Analysis Date = 10/16/00 Pct Recovery = 104% Analysis Date = 10/14/00 Pct Recovery = 104% Analysis Date = 10/14/00 Pct Recovery = 104% Analysis Date = 10/12/00 Pct Recovery = 104% Analysis Date = 10/12/00 Pct Recovery = 104% Analysis Date = 10/11/00 Pct Recovery = 104% Analysis Date = 10/11/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/07/00 Pct Recovery = 104% Analysis Date = 10/07/00 Pct Recovery = 104% Analysis Date = 10/05/00 Pct Recovery = 104% Analysis Date = 10/05/00 Pct Recovery = 104% Analysis Date = 10/04/00 Pct Recovery = 104% Analysis Date = 10/04/00 Pct Recovery = 104% Analysis Date = 10/02/00 Pct Recovery = 104% Analysis Date = 10/02/00 Pct Recovery = 104% Analysis Date = 09/30/00 Pct Recovery = 103% Analysis Date = 09/30/00 Pct Recovery = 103% Analysis Date = 09/28/00 Pct Recovery = 103% Analysis Date = 09/28/00 Pct Recovery = 103% Analysis Date = 09/27/00 Pct Recovery = 103% Analysis Date = 09/27/00 Pct Recovery = 103% Analysis Date = 09/25/00 Pct Recovery = 103% Analysis Date = 09/25/00 Pct Recovery = 103% Analysis Date = 09/23/00 Pct Recovery = 103% Analysis Date = 09/23/00 Pct Recovery = 103% Analysis Date = 09/22/00 Pct Recovery = 103% Analysis Date = 09/22/00 Pct Recovery = 103% Analysis Date = 09/20/00 Pct Recovery = 103% Analysis Date = 09/20/00 Pct Recovery = 103% Analysis Date = 09/18/00 Pct Recovery = 103% Analysis Date = 09/18/00 Pct Recovery = 103% Analysis Date = 09/16/00 Pct Recovery = 103% Analysis Date = 09/16/00 Pct Recovery = 103% Analysis Date = 09/15/00 Pct Recovery = 103% Analysis Date = 09/15/00 Pct Recovery = 103% Analysis Date = 09/13/00 Pct Recovery = 103% Analysis Date = 09/13/00 Pct Recovery = 103% Analysis Date = 09/11/00 Pct Recovery = 103% Analysis Date = 09/11/00 Pct Recovery = 103% Analysis Date = 09/09/00 Pct Recovery = 102% Analysis Date = 09/09/00 Pct Recovery = 102% Analysis Date = 09/08/00 Pct Recovery = 102% Analysis Date = 09/08/00 Pct Recovery = 102% Analysis Date = 09/06/00 Pct Recovery = 102% Analysis Date = 09/06/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/02/00 Pct Recovery = 102% Analysis Date = 09/02/00 Pct Recovery = 102% Analysis Date = 09/01/00 Pct Recovery = 102% Analysis Date = 09/01/00 Pct Recovery = 102% Analysis Date = 08/30/00 Pct Recovery = 102% Analysis Date = 08/30/00 Pct Recovery = 102% Analysis Date = 08/28/00 Pct Recovery = 102% Analysis Date = 08/28/00 Pct Recovery = 102% Analysis Date = 08/26/00 Pct Recovery = 102% Analysis Date = 08/26/00 Pct Recovery = 102% Analysis Date = 08/25/00 Pct Recovery = 102% Analysis Date = 08/25/00 Pct Recovery = 102% Analysis Date = 08/23/00 Pct Recovery = 102% Analysis Date = 08/23/00 Pct Recovery = 102% Analysis Date = 08/21/00 Pct Recovery = 102% Analysis Date = 08/21/00 Pct Recovery = 102% Analysis Date = 08/19/00 Pct Recovery = 101% Analysis Date = 08/19/00 Pct Recovery = 101% Analysis Date = 08/18/00 Pct Recovery = 101% Analysis Date = 08/18/00 Pct Recovery = 101% Analysis Date = 08/16/00 Pct Recovery = 101% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
CARBON DISULFIDE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 107% 6% 106% 0%
Total 5 107% 6% 106% 0%

Sample Statistics
CARBON DISULFIDE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
CHLOROBENZENE
METHOD: 4054 , TESTIDCODE: 34301GCM66
Open Data Set

Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 106% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 99% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 112% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 112% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 98% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 94% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 94% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 102% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 101% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 93% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 116% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 105% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 96% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 109% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 96% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 100% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 91% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 101% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 105% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 119% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 106% Analysis Date = 08/24/01 Pct Recovery = 112% Analysis Date = 08/22/01 Pct Recovery = 112% Analysis Date = 08/22/01 Pct Recovery = 112% Analysis Date = 08/19/01 Pct Recovery = 112% Analysis Date = 08/19/01 Pct Recovery = 112% Analysis Date = 08/16/01 Pct Recovery = 112% Analysis Date = 08/16/01 Pct Recovery = 112% Analysis Date = 08/13/01 Pct Recovery = 111% Analysis Date = 08/13/01 Pct Recovery = 111% Analysis Date = 08/10/01 Pct Recovery = 111% Analysis Date = 08/10/01 Pct Recovery = 111% Analysis Date = 08/07/01 Pct Recovery = 111% Analysis Date = 08/07/01 Pct Recovery = 111% Analysis Date = 08/04/01 Pct Recovery = 111% Analysis Date = 08/04/01 Pct Recovery = 111% Analysis Date = 08/01/01 Pct Recovery = 111% Analysis Date = 08/01/01 Pct Recovery = 111% Analysis Date = 07/29/01 Pct Recovery = 111% Analysis Date = 07/29/01 Pct Recovery = 111% Analysis Date = 07/26/01 Pct Recovery = 111% Analysis Date = 07/26/01 Pct Recovery = 111% Analysis Date = 07/23/01 Pct Recovery = 111% Analysis Date = 07/23/01 Pct Recovery = 111% Analysis Date = 07/20/01 Pct Recovery = 111% Analysis Date = 07/20/01 Pct Recovery = 111% Analysis Date = 07/17/01 Pct Recovery = 110% Analysis Date = 07/17/01 Pct Recovery = 110% Analysis Date = 07/14/01 Pct Recovery = 110% Analysis Date = 07/14/01 Pct Recovery = 110% Analysis Date = 07/11/01 Pct Recovery = 110% Analysis Date = 07/11/01 Pct Recovery = 110% Analysis Date = 07/08/01 Pct Recovery = 110% Analysis Date = 07/08/01 Pct Recovery = 110% Analysis Date = 07/05/01 Pct Recovery = 110% Analysis Date = 07/05/01 Pct Recovery = 110% Analysis Date = 07/02/01 Pct Recovery = 110% Analysis Date = 07/02/01 Pct Recovery = 110% Analysis Date = 06/29/01 Pct Recovery = 110% Analysis Date = 06/29/01 Pct Recovery = 110% Analysis Date = 06/26/01 Pct Recovery = 110% Analysis Date = 06/26/01 Pct Recovery = 110% Analysis Date = 06/23/01 Pct Recovery = 110% Analysis Date = 06/23/01 Pct Recovery = 110% Analysis Date = 06/20/01 Pct Recovery = 109% Analysis Date = 06/20/01 Pct Recovery = 109% Analysis Date = 06/17/01 Pct Recovery = 109% Analysis Date = 06/17/01 Pct Recovery = 109% Analysis Date = 06/15/01 Pct Recovery = 109% Analysis Date = 06/15/01 Pct Recovery = 109% Analysis Date = 06/12/01 Pct Recovery = 109% Analysis Date = 06/12/01 Pct Recovery = 109% Analysis Date = 06/09/01 Pct Recovery = 109% Analysis Date = 06/09/01 Pct Recovery = 109% Analysis Date = 06/06/01 Pct Recovery = 109% Analysis Date = 06/06/01 Pct Recovery = 109% Analysis Date = 06/03/01 Pct Recovery = 109% Analysis Date = 06/03/01 Pct Recovery = 109% Analysis Date = 05/31/01 Pct Recovery = 109% Analysis Date = 05/31/01 Pct Recovery = 109% Analysis Date = 05/28/01 Pct Recovery = 109% Analysis Date = 05/28/01 Pct Recovery = 109% Analysis Date = 05/25/01 Pct Recovery = 109% Analysis Date = 05/25/01 Pct Recovery = 109% Analysis Date = 05/22/01 Pct Recovery = 108% Analysis Date = 05/22/01 Pct Recovery = 108% Analysis Date = 05/19/01 Pct Recovery = 108% Analysis Date = 05/19/01 Pct Recovery = 108% Analysis Date = 05/16/01 Pct Recovery = 108% Analysis Date = 05/16/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/10/01 Pct Recovery = 108% Analysis Date = 05/10/01 Pct Recovery = 108% Analysis Date = 05/07/01 Pct Recovery = 108% Analysis Date = 05/07/01 Pct Recovery = 108% Analysis Date = 05/04/01 Pct Recovery = 108% Analysis Date = 05/04/01 Pct Recovery = 108% Analysis Date = 05/01/01 Pct Recovery = 108% Analysis Date = 05/01/01 Pct Recovery = 108% Analysis Date = 04/28/01 Pct Recovery = 108% Analysis Date = 04/28/01 Pct Recovery = 108% Analysis Date = 04/25/01 Pct Recovery = 107% Analysis Date = 04/25/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/16/01 Pct Recovery = 107% Analysis Date = 04/16/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/10/01 Pct Recovery = 107% Analysis Date = 04/10/01 Pct Recovery = 107% Analysis Date = 04/08/01 Pct Recovery = 107% Analysis Date = 04/08/01 Pct Recovery = 107% Analysis Date = 04/05/01 Pct Recovery = 107% Analysis Date = 04/05/01 Pct Recovery = 107% Analysis Date = 04/02/01 Pct Recovery = 107% Analysis Date = 04/02/01 Pct Recovery = 107% Analysis Date = 03/30/01 Pct Recovery = 106% Analysis Date = 03/30/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/24/01 Pct Recovery = 106% Analysis Date = 03/24/01 Pct Recovery = 106% Analysis Date = 03/21/01 Pct Recovery = 106% Analysis Date = 03/21/01 Pct Recovery = 106% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/12/01 Pct Recovery = 106% Analysis Date = 03/12/01 Pct Recovery = 106% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 105% Analysis Date = 03/03/01 Pct Recovery = 105% Analysis Date = 02/28/01 Pct Recovery = 105% Analysis Date = 02/28/01 Pct Recovery = 105% Analysis Date = 02/25/01 Pct Recovery = 105% Analysis Date = 02/25/01 Pct Recovery = 105% Analysis Date = 02/22/01 Pct Recovery = 105% Analysis Date = 02/22/01 Pct Recovery = 105% Analysis Date = 02/19/01 Pct Recovery = 105% Analysis Date = 02/19/01 Pct Recovery = 105% Analysis Date = 02/16/01 Pct Recovery = 105% Analysis Date = 02/16/01 Pct Recovery = 105% Analysis Date = 02/13/01 Pct Recovery = 105% Analysis Date = 02/13/01 Pct Recovery = 105% Analysis Date = 02/10/01 Pct Recovery = 105% Analysis Date = 02/10/01 Pct Recovery = 105% Analysis Date = 02/07/01 Pct Recovery = 104% Analysis Date = 02/07/01 Pct Recovery = 104% Analysis Date = 02/04/01 Pct Recovery = 104% Analysis Date = 02/04/01 Pct Recovery = 104% Analysis Date = 02/01/01 Pct Recovery = 104% Analysis Date = 02/01/01 Pct Recovery = 104% Analysis Date = 01/30/01 Pct Recovery = 104% Analysis Date = 01/30/01 Pct Recovery = 104% Analysis Date = 01/27/01 Pct Recovery = 104% Analysis Date = 01/27/01 Pct Recovery = 104% Analysis Date = 01/24/01 Pct Recovery = 104% Analysis Date = 01/24/01 Pct Recovery = 104% Analysis Date = 01/21/01 Pct Recovery = 104% Analysis Date = 01/21/01 Pct Recovery = 104% Analysis Date = 01/18/01 Pct Recovery = 104% Analysis Date = 01/18/01 Pct Recovery = 104% Analysis Date = 01/15/01 Pct Recovery = 104% Analysis Date = 01/15/01 Pct Recovery = 104% Analysis Date = 01/12/01 Pct Recovery = 103% Analysis Date = 01/12/01 Pct Recovery = 103% Analysis Date = 01/09/01 Pct Recovery = 103% Analysis Date = 01/09/01 Pct Recovery = 103% Analysis Date = 01/06/01 Pct Recovery = 103% Analysis Date = 01/06/01 Pct Recovery = 103% Analysis Date = 01/03/01 Pct Recovery = 103% Analysis Date = 01/03/01 Pct Recovery = 103% Analysis Date = 12/31/00 Pct Recovery = 103% Analysis Date = 12/31/00 Pct Recovery = 103% Analysis Date = 12/28/00 Pct Recovery = 103% Analysis Date = 12/28/00 Pct Recovery = 103% Analysis Date = 12/25/00 Pct Recovery = 103% Analysis Date = 12/25/00 Pct Recovery = 103% Analysis Date = 12/22/00 Pct Recovery = 103% Analysis Date = 12/22/00 Pct Recovery = 103% Analysis Date = 12/19/00 Pct Recovery = 102% Analysis Date = 12/19/00 Pct Recovery = 102% Analysis Date = 12/16/00 Pct Recovery = 102% Analysis Date = 12/16/00 Pct Recovery = 102% Analysis Date = 12/13/00 Pct Recovery = 102% Analysis Date = 12/13/00 Pct Recovery = 102% Analysis Date = 12/10/00 Pct Recovery = 102% Analysis Date = 12/10/00 Pct Recovery = 102% Analysis Date = 12/07/00 Pct Recovery = 102% Analysis Date = 12/07/00 Pct Recovery = 102% Analysis Date = 12/04/00 Pct Recovery = 102% Analysis Date = 12/04/00 Pct Recovery = 102% Analysis Date = 12/01/00 Pct Recovery = 102% Analysis Date = 12/01/00 Pct Recovery = 102% Analysis Date = 11/28/00 Pct Recovery = 102% Analysis Date = 11/28/00 Pct Recovery = 102% Analysis Date = 11/25/00 Pct Recovery = 101% Analysis Date = 11/25/00 Pct Recovery = 101% Analysis Date = 11/23/00 Pct Recovery = 101% Analysis Date = 11/23/00 Pct Recovery = 101% Analysis Date = 11/20/00 Pct Recovery = 101% Analysis Date = 11/20/00 Pct Recovery = 101% Analysis Date = 11/17/00 Pct Recovery = 101% Analysis Date = 11/17/00 Pct Recovery = 101% Analysis Date = 11/14/00 Pct Recovery = 101% Analysis Date = 11/14/00 Pct Recovery = 101% Analysis Date = 11/11/00 Pct Recovery = 101% Analysis Date = 11/11/00 Pct Recovery = 101% Analysis Date = 11/08/00 Pct Recovery = 101% Analysis Date = 11/08/00 Pct Recovery = 101% Analysis Date = 11/05/00 Pct Recovery = 101% Analysis Date = 11/05/00 Pct Recovery = 101% Analysis Date = 11/02/00 Pct Recovery = 101% Analysis Date = 11/02/00 Pct Recovery = 101% Analysis Date = 10/30/00 Pct Recovery = 101% Analysis Date = 10/30/00 Pct Recovery = 101% Analysis Date = 10/27/00 Pct Recovery = 101% Analysis Date = 10/27/00 Pct Recovery = 101% Analysis Date = 10/24/00 Pct Recovery = 101% Analysis Date = 10/24/00 Pct Recovery = 101% Analysis Date = 10/21/00 Pct Recovery = 101% Analysis Date = 10/21/00 Pct Recovery = 101% Analysis Date = 10/18/00 Pct Recovery = 101% Analysis Date = 10/18/00 Pct Recovery = 101% Analysis Date = 10/15/00 Pct Recovery = 101% Analysis Date = 10/15/00 Pct Recovery = 101% Analysis Date = 10/12/00 Pct Recovery = 101% Analysis Date = 10/12/00 Pct Recovery = 101% Analysis Date = 10/09/00 Pct Recovery = 101% Analysis Date = 10/09/00 Pct Recovery = 101% Analysis Date = 10/06/00 Pct Recovery = 101% Analysis Date = 10/06/00 Pct Recovery = 101% Analysis Date = 10/03/00 Pct Recovery = 101% Analysis Date = 10/03/00 Pct Recovery = 101% Analysis Date = 09/30/00 Pct Recovery = 101% Analysis Date = 09/30/00 Pct Recovery = 101% Analysis Date = 09/27/00 Pct Recovery = 101% Analysis Date = 09/27/00 Pct Recovery = 101% Analysis Date = 09/24/00 Pct Recovery = 101% Analysis Date = 09/24/00 Pct Recovery = 101% Analysis Date = 09/21/00 Pct Recovery = 101% Analysis Date = 09/21/00 Pct Recovery = 101% Analysis Date = 09/18/00 Pct Recovery = 101% Analysis Date = 09/18/00 Pct Recovery = 101% Analysis Date = 09/15/00 Pct Recovery = 101% Analysis Date = 09/15/00 Pct Recovery = 101% Analysis Date = 09/13/00 Pct Recovery = 101% Analysis Date = 09/13/00 Pct Recovery = 101% Analysis Date = 09/10/00 Pct Recovery = 101% Analysis Date = 09/10/00 Pct Recovery = 101% Analysis Date = 09/07/00 Pct Recovery = 101% Analysis Date = 09/07/00 Pct Recovery = 101% Analysis Date = 09/04/00 Pct Recovery = 101% Analysis Date = 09/04/00 Pct Recovery = 101% Analysis Date = 09/01/00 Pct Recovery = 101% Analysis Date = 09/01/00 Pct Recovery = 101% Analysis Date = 08/29/00 Pct Recovery = 100% Analysis Date = 08/29/00 Pct Recovery = 100% Analysis Date = 08/26/00 Pct Recovery = 100% Analysis Date = 08/26/00 Pct Recovery = 100% Analysis Date = 08/23/00 Pct Recovery = 100% Analysis Date = 08/23/00 Pct Recovery = 100% Analysis Date = 08/20/00 Pct Recovery = 100% Analysis Date = 08/20/00 Pct Recovery = 100% Analysis Date = 08/17/00 Pct Recovery = 100% Analysis Date = 08/17/00 Pct Recovery = 100% Analysis Date = 08/14/00 Pct Recovery = 100% Analysis Date = 08/14/00 Pct Recovery = 100% Analysis Date = 08/11/00 Pct Recovery = 100% Analysis Date = 08/11/00 Pct Recovery = 100% Analysis Date = 08/08/00 Pct Recovery = 100% Analysis Date = 08/08/00 Pct Recovery = 100% Analysis Date = 08/05/00 Pct Recovery = 100% Analysis Date = 08/05/00 Pct Recovery = 100% Analysis Date = 08/02/00 Pct Recovery = 100% Analysis Date = 08/02/00 Pct Recovery = 100% Analysis Date = 07/30/00 Pct Recovery = 100% Analysis Date = 07/30/00 Pct Recovery = 100% Analysis Date = 07/27/00 Pct Recovery = 100% Analysis Date = 07/27/00 Pct Recovery = 100% Analysis Date = 07/24/00 Pct Recovery = 100% Analysis Date = 07/24/00 Pct Recovery = 100% Analysis Date = 07/21/00 Pct Recovery = 100% Analysis Date = 07/21/00 Pct Recovery = 100% Analysis Date = 07/18/00 Pct Recovery = 100% Analysis Date = 07/18/00 Pct Recovery = 100% Analysis Date = 07/15/00 Pct Recovery = 100% Analysis Date = 07/15/00 Pct Recovery = 100% Analysis Date = 07/12/00 Pct Recovery = 100% Analysis Date = 07/12/00 Pct Recovery = 100% Analysis Date = 07/09/00 Pct Recovery = 100% Analysis Date = 07/09/00 Pct Recovery = 100% Analysis Date = 07/07/00 Pct Recovery = 100% Analysis Date = 07/07/00 Pct Recovery = 100% Analysis Date = 07/04/00 Pct Recovery = 100% Analysis Date = 07/04/00 Pct Recovery = 100% Analysis Date = 07/01/00 Pct Recovery = 100% Analysis Date = 07/01/00 Pct Recovery = 100% Analysis Date = 06/28/00 Pct Recovery = 100% Analysis Date = 06/28/00 Pct Recovery = 100% Analysis Date = 06/25/00 Pct Recovery = 101% Analysis Date = 06/25/00 Pct Recovery = 101% Analysis Date = 06/22/00 Pct Recovery = 101% Analysis Date = 06/22/00 Pct Recovery = 101% Analysis Date = 06/19/00 Pct Recovery = 101% Analysis Date = 06/19/00 Pct Recovery = 101% Analysis Date = 06/16/00 Pct Recovery = 101% Analysis Date = 06/16/00 Pct Recovery = 101% Analysis Date = 06/13/00 Pct Recovery = 101% Analysis Date = 06/13/00 Pct Recovery = 101% Analysis Date = 06/10/00 Pct Recovery = 101% Analysis Date = 06/10/00 Pct Recovery = 101% Analysis Date = 06/07/00 Pct Recovery = 101% Analysis Date = 06/07/00 Pct Recovery = 101% Analysis Date = 06/04/00 Pct Recovery = 102% Analysis Date = 06/04/00 Pct Recovery = 102% Analysis Date = 06/01/00 Pct Recovery = 102% Analysis Date = 06/01/00 Pct Recovery = 102% Analysis Date = 05/29/00 Pct Recovery = 102% Analysis Date = 05/29/00 Pct Recovery = 102% Analysis Date = 05/26/00 Pct Recovery = 102% Analysis Date = 05/26/00 Pct Recovery = 102% Analysis Date = 05/23/00 Pct Recovery = 102% Analysis Date = 05/23/00 Pct Recovery = 102% Analysis Date = 05/20/00 Pct Recovery = 102% Analysis Date = 05/20/00 Pct Recovery = 102% Analysis Date = 05/17/00 Pct Recovery = 103% Analysis Date = 05/17/00 Pct Recovery = 103% Analysis Date = 05/14/00 Pct Recovery = 103% Analysis Date = 05/14/00 Pct Recovery = 103% Analysis Date = 05/11/00 Pct Recovery = 103% Analysis Date = 05/11/00 Pct Recovery = 103% Analysis Date = 05/08/00 Pct Recovery = 103% Analysis Date = 05/08/00 Pct Recovery = 103% Analysis Date = 05/05/00 Pct Recovery = 103% Analysis Date = 05/05/00 Pct Recovery = 103% Analysis Date = 05/02/00 Pct Recovery = 104% Analysis Date = 05/02/00 Pct Recovery = 104% Analysis Date = 04/30/00 Pct Recovery = 104% Analysis Date = 04/30/00 Pct Recovery = 104% Analysis Date = 04/27/00 Pct Recovery = 104% Analysis Date = 04/27/00 Pct Recovery = 104% Analysis Date = 04/24/00 Pct Recovery = 104% Analysis Date = 04/24/00 Pct Recovery = 104% Analysis Date = 04/21/00 Pct Recovery = 103% Analysis Date = 04/21/00 Pct Recovery = 103% Analysis Date = 04/18/00 Pct Recovery = 103% Analysis Date = 04/18/00 Pct Recovery = 103% Analysis Date = 04/15/00 Pct Recovery = 103% Analysis Date = 04/15/00 Pct Recovery = 103% Analysis Date = 04/12/00 Pct Recovery = 102% Analysis Date = 04/12/00 Pct Recovery = 102% Analysis Date = 04/09/00 Pct Recovery = 102% Analysis Date = 04/09/00 Pct Recovery = 102% Analysis Date = 04/06/00 Pct Recovery = 102% Analysis Date = 04/06/00 Pct Recovery = 102% Analysis Date = 04/03/00 Pct Recovery = 101% Analysis Date = 04/03/00 Pct Recovery = 101% Analysis Date = 03/31/00 Pct Recovery = 101% Analysis Date = 03/31/00 Pct Recovery = 101% Analysis Date = 03/28/00 Pct Recovery = 101% Analysis Date = 03/28/00 Pct Recovery = 101% Analysis Date = 03/25/00 Pct Recovery = 100% Analysis Date = 03/25/00 Pct Recovery = 100% Analysis Date = 03/22/00 Pct Recovery = 100% Analysis Date = 03/22/00 Pct Recovery = 100% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/16/00 Pct Recovery = 100% Analysis Date = 03/16/00 Pct Recovery = 100% Analysis Date = 03/13/00 Pct Recovery = 100% Analysis Date = 03/13/00 Pct Recovery = 100% Analysis Date = 03/10/00 Pct Recovery = 100% Analysis Date = 03/10/00 Pct Recovery = 100% Analysis Date = 03/07/00 Pct Recovery = 100% Analysis Date = 03/07/00 Pct Recovery = 100% Analysis Date = 03/04/00 Pct Recovery = 100% Analysis Date = 03/04/00 Pct Recovery = 100% Analysis Date = 03/01/00 Pct Recovery = 101% Analysis Date = 03/01/00 Pct Recovery = 101% Analysis Date = 02/27/00 Pct Recovery = 101% Analysis Date = 02/27/00 Pct Recovery = 101% Analysis Date = 02/24/00 Pct Recovery = 101% Analysis Date = 02/24/00 Pct Recovery = 101% Analysis Date = 02/22/00 Pct Recovery = 101% Analysis Date = 02/22/00 Pct Recovery = 101% Analysis Date = 02/19/00 Pct Recovery = 101% Analysis Date = 02/19/00 Pct Recovery = 101% Analysis Date = 02/16/00 Pct Recovery = 102% Analysis Date = 02/16/00 Pct Recovery = 102% Analysis Date = 02/13/00 Pct Recovery = 102% Analysis Date = 02/13/00 Pct Recovery = 102% Analysis Date = 02/10/00 Pct Recovery = 102% Analysis Date = 02/10/00 Pct Recovery = 102% Analysis Date = 02/07/00 Pct Recovery = 103% Analysis Date = 02/07/00 Pct Recovery = 103% Analysis Date = 02/04/00 Pct Recovery = 103% Analysis Date = 02/04/00 Pct Recovery = 103% Analysis Date = 02/01/00 Pct Recovery = 103% Analysis Date = 02/01/00 Pct Recovery = 103% Analysis Date = 01/29/00 Pct Recovery = 103% Analysis Date = 01/29/00 Pct Recovery = 103% Analysis Date = 01/26/00 Pct Recovery = 104% Analysis Date = 01/26/00 Pct Recovery = 104% Analysis Date = 01/23/00 Pct Recovery = 104% Analysis Date = 01/23/00 Pct Recovery = 104% Analysis Date = 01/20/00 Pct Recovery = 104% Analysis Date = 01/20/00 Pct Recovery = 104% Analysis Date = 01/17/00 Pct Recovery = 105% Analysis Date = 01/17/00 Pct Recovery = 105% Analysis Date = 01/14/00 Pct Recovery = 105% Analysis Date = 01/14/00 Pct Recovery = 105% Analysis Date = 01/11/00 Pct Recovery = 105% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
CHLOROBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 103% 8% 101% 7%
Total 21 103% 8% 101% 7%

Sample Statistics
CHLOROBENZENE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
CHLOROETHANE
METHOD: 4054 , TESTIDCODE: 34311GCM66
Open Data Set

Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 128% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 136% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 137% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 138% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 129% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 101% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 115% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 122% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 117% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 103% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 95% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 93% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 90% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 108% Analysis Date = 07/08/03 Pct Recovery = 134% Analysis Date = 07/02/03 Pct Recovery = 134% Analysis Date = 07/02/03 Pct Recovery = 134% Analysis Date = 06/26/03 Pct Recovery = 133% Analysis Date = 06/26/03 Pct Recovery = 133% Analysis Date = 06/20/03 Pct Recovery = 133% Analysis Date = 06/20/03 Pct Recovery = 133% Analysis Date = 06/14/03 Pct Recovery = 133% Analysis Date = 06/14/03 Pct Recovery = 133% Analysis Date = 06/08/03 Pct Recovery = 133% Analysis Date = 06/08/03 Pct Recovery = 133% Analysis Date = 06/02/03 Pct Recovery = 133% Analysis Date = 06/02/03 Pct Recovery = 133% Analysis Date = 05/26/03 Pct Recovery = 133% Analysis Date = 05/26/03 Pct Recovery = 133% Analysis Date = 05/20/03 Pct Recovery = 133% Analysis Date = 05/20/03 Pct Recovery = 133% Analysis Date = 05/14/03 Pct Recovery = 133% Analysis Date = 05/14/03 Pct Recovery = 133% Analysis Date = 05/08/03 Pct Recovery = 133% Analysis Date = 05/08/03 Pct Recovery = 133% Analysis Date = 05/02/03 Pct Recovery = 133% Analysis Date = 05/02/03 Pct Recovery = 133% Analysis Date = 04/26/03 Pct Recovery = 133% Analysis Date = 04/26/03 Pct Recovery = 133% Analysis Date = 04/19/03 Pct Recovery = 133% Analysis Date = 04/19/03 Pct Recovery = 133% Analysis Date = 04/13/03 Pct Recovery = 133% Analysis Date = 04/13/03 Pct Recovery = 133% Analysis Date = 04/07/03 Pct Recovery = 133% Analysis Date = 04/07/03 Pct Recovery = 133% Analysis Date = 04/01/03 Pct Recovery = 133% Analysis Date = 04/01/03 Pct Recovery = 133% Analysis Date = 03/26/03 Pct Recovery = 133% Analysis Date = 03/26/03 Pct Recovery = 133% Analysis Date = 03/20/03 Pct Recovery = 133% Analysis Date = 03/20/03 Pct Recovery = 133% Analysis Date = 03/14/03 Pct Recovery = 133% Analysis Date = 03/14/03 Pct Recovery = 133% Analysis Date = 03/07/03 Pct Recovery = 133% Analysis Date = 03/07/03 Pct Recovery = 133% Analysis Date = 03/01/03 Pct Recovery = 133% Analysis Date = 03/01/03 Pct Recovery = 133% Analysis Date = 02/23/03 Pct Recovery = 133% Analysis Date = 02/23/03 Pct Recovery = 133% Analysis Date = 02/17/03 Pct Recovery = 133% Analysis Date = 02/17/03 Pct Recovery = 133% Analysis Date = 02/11/03 Pct Recovery = 133% Analysis Date = 02/11/03 Pct Recovery = 133% Analysis Date = 02/05/03 Pct Recovery = 133% Analysis Date = 02/05/03 Pct Recovery = 133% Analysis Date = 01/29/03 Pct Recovery = 133% Analysis Date = 01/29/03 Pct Recovery = 133% Analysis Date = 01/23/03 Pct Recovery = 132% Analysis Date = 01/23/03 Pct Recovery = 132% Analysis Date = 01/17/03 Pct Recovery = 132% Analysis Date = 01/17/03 Pct Recovery = 132% Analysis Date = 01/11/03 Pct Recovery = 132% Analysis Date = 01/11/03 Pct Recovery = 132% Analysis Date = 01/05/03 Pct Recovery = 132% Analysis Date = 01/05/03 Pct Recovery = 132% Analysis Date = 12/30/02 Pct Recovery = 132% Analysis Date = 12/30/02 Pct Recovery = 132% Analysis Date = 12/23/02 Pct Recovery = 132% Analysis Date = 12/23/02 Pct Recovery = 132% Analysis Date = 12/17/02 Pct Recovery = 132% Analysis Date = 12/17/02 Pct Recovery = 132% Analysis Date = 12/11/02 Pct Recovery = 132% Analysis Date = 12/11/02 Pct Recovery = 132% Analysis Date = 12/05/02 Pct Recovery = 132% Analysis Date = 12/05/02 Pct Recovery = 132% Analysis Date = 11/29/02 Pct Recovery = 132% Analysis Date = 11/29/02 Pct Recovery = 132% Analysis Date = 11/23/02 Pct Recovery = 132% Analysis Date = 11/23/02 Pct Recovery = 132% Analysis Date = 11/17/02 Pct Recovery = 132% Analysis Date = 11/17/02 Pct Recovery = 132% Analysis Date = 11/10/02 Pct Recovery = 132% Analysis Date = 11/10/02 Pct Recovery = 132% Analysis Date = 11/04/02 Pct Recovery = 132% Analysis Date = 11/04/02 Pct Recovery = 132% Analysis Date = 10/29/02 Pct Recovery = 132% Analysis Date = 10/29/02 Pct Recovery = 132% Analysis Date = 10/23/02 Pct Recovery = 132% Analysis Date = 10/23/02 Pct Recovery = 132% Analysis Date = 10/17/02 Pct Recovery = 132% Analysis Date = 10/17/02 Pct Recovery = 132% Analysis Date = 10/11/02 Pct Recovery = 132% Analysis Date = 10/11/02 Pct Recovery = 132% Analysis Date = 10/04/02 Pct Recovery = 132% Analysis Date = 10/04/02 Pct Recovery = 132% Analysis Date = 09/28/02 Pct Recovery = 132% Analysis Date = 09/28/02 Pct Recovery = 132% Analysis Date = 09/22/02 Pct Recovery = 132% Analysis Date = 09/22/02 Pct Recovery = 132% Analysis Date = 09/16/02 Pct Recovery = 132% Analysis Date = 09/16/02 Pct Recovery = 132% Analysis Date = 09/10/02 Pct Recovery = 132% Analysis Date = 09/10/02 Pct Recovery = 132% Analysis Date = 09/04/02 Pct Recovery = 132% Analysis Date = 09/04/02 Pct Recovery = 132% Analysis Date = 08/29/02 Pct Recovery = 132% Analysis Date = 08/29/02 Pct Recovery = 132% Analysis Date = 08/22/02 Pct Recovery = 132% Analysis Date = 08/22/02 Pct Recovery = 132% Analysis Date = 08/16/02 Pct Recovery = 132% Analysis Date = 08/16/02 Pct Recovery = 132% Analysis Date = 08/10/02 Pct Recovery = 132% Analysis Date = 08/10/02 Pct Recovery = 132% Analysis Date = 08/04/02 Pct Recovery = 131% Analysis Date = 08/04/02 Pct Recovery = 131% Analysis Date = 07/29/02 Pct Recovery = 131% Analysis Date = 07/29/02 Pct Recovery = 131% Analysis Date = 07/23/02 Pct Recovery = 130% Analysis Date = 07/23/02 Pct Recovery = 130% Analysis Date = 07/16/02 Pct Recovery = 129% Analysis Date = 07/16/02 Pct Recovery = 129% Analysis Date = 07/10/02 Pct Recovery = 129% Analysis Date = 07/10/02 Pct Recovery = 129% Analysis Date = 07/04/02 Pct Recovery = 128% Analysis Date = 07/04/02 Pct Recovery = 128% Analysis Date = 06/28/02 Pct Recovery = 127% Analysis Date = 06/28/02 Pct Recovery = 127% Analysis Date = 06/22/02 Pct Recovery = 127% Analysis Date = 06/22/02 Pct Recovery = 127% Analysis Date = 06/16/02 Pct Recovery = 126% Analysis Date = 06/16/02 Pct Recovery = 126% Analysis Date = 06/09/02 Pct Recovery = 125% Analysis Date = 06/09/02 Pct Recovery = 125% Analysis Date = 06/03/02 Pct Recovery = 125% Analysis Date = 06/03/02 Pct Recovery = 125% Analysis Date = 05/28/02 Pct Recovery = 124% Analysis Date = 05/28/02 Pct Recovery = 124% Analysis Date = 05/22/02 Pct Recovery = 123% Analysis Date = 05/22/02 Pct Recovery = 123% Analysis Date = 05/16/02 Pct Recovery = 123% Analysis Date = 05/16/02 Pct Recovery = 123% Analysis Date = 05/10/02 Pct Recovery = 122% Analysis Date = 05/10/02 Pct Recovery = 122% Analysis Date = 05/04/02 Pct Recovery = 122% Analysis Date = 05/04/02 Pct Recovery = 122% Analysis Date = 04/27/02 Pct Recovery = 121% Analysis Date = 04/27/02 Pct Recovery = 121% Analysis Date = 04/21/02 Pct Recovery = 120% Analysis Date = 04/21/02 Pct Recovery = 120% Analysis Date = 04/15/02 Pct Recovery = 120% Analysis Date = 04/15/02 Pct Recovery = 120% Analysis Date = 04/09/02 Pct Recovery = 119% Analysis Date = 04/09/02 Pct Recovery = 119% Analysis Date = 04/03/02 Pct Recovery = 118% Analysis Date = 04/03/02 Pct Recovery = 118% Analysis Date = 03/28/02 Pct Recovery = 118% Analysis Date = 03/28/02 Pct Recovery = 118% Analysis Date = 03/21/02 Pct Recovery = 117% Analysis Date = 03/21/02 Pct Recovery = 117% Analysis Date = 03/15/02 Pct Recovery = 117% Analysis Date = 03/15/02 Pct Recovery = 117% Analysis Date = 03/09/02 Pct Recovery = 116% Analysis Date = 03/09/02 Pct Recovery = 116% Analysis Date = 03/03/02 Pct Recovery = 115% Analysis Date = 03/03/02 Pct Recovery = 115% Analysis Date = 02/25/02 Pct Recovery = 115% Analysis Date = 02/25/02 Pct Recovery = 115% Analysis Date = 02/19/02 Pct Recovery = 114% Analysis Date = 02/19/02 Pct Recovery = 114% Analysis Date = 02/13/02 Pct Recovery = 114% Analysis Date = 02/13/02 Pct Recovery = 114% Analysis Date = 02/06/02 Pct Recovery = 114% Analysis Date = 02/06/02 Pct Recovery = 114% Analysis Date = 01/31/02 Pct Recovery = 113% Analysis Date = 01/31/02 Pct Recovery = 113% Analysis Date = 01/25/02 Pct Recovery = 113% Analysis Date = 01/25/02 Pct Recovery = 113% Analysis Date = 01/19/02 Pct Recovery = 113% Analysis Date = 01/19/02 Pct Recovery = 113% Analysis Date = 01/13/02 Pct Recovery = 112% Analysis Date = 01/13/02 Pct Recovery = 112% Analysis Date = 01/07/02 Pct Recovery = 112% Analysis Date = 01/07/02 Pct Recovery = 112% Analysis Date = 12/31/01 Pct Recovery = 112% Analysis Date = 12/31/01 Pct Recovery = 112% Analysis Date = 12/25/01 Pct Recovery = 112% Analysis Date = 12/25/01 Pct Recovery = 112% Analysis Date = 12/19/01 Pct Recovery = 112% Analysis Date = 12/19/01 Pct Recovery = 112% Analysis Date = 12/13/01 Pct Recovery = 111% Analysis Date = 12/13/01 Pct Recovery = 111% Analysis Date = 12/07/01 Pct Recovery = 111% Analysis Date = 12/07/01 Pct Recovery = 111% Analysis Date = 12/01/01 Pct Recovery = 111% Analysis Date = 12/01/01 Pct Recovery = 111% Analysis Date = 11/24/01 Pct Recovery = 111% Analysis Date = 11/24/01 Pct Recovery = 111% Analysis Date = 11/18/01 Pct Recovery = 111% Analysis Date = 11/18/01 Pct Recovery = 111% Analysis Date = 11/12/01 Pct Recovery = 110% Analysis Date = 11/12/01 Pct Recovery = 110% Analysis Date = 11/06/01 Pct Recovery = 110% Analysis Date = 11/06/01 Pct Recovery = 110% Analysis Date = 10/31/01 Pct Recovery = 110% Analysis Date = 10/31/01 Pct Recovery = 110% Analysis Date = 10/25/01 Pct Recovery = 110% Analysis Date = 10/25/01 Pct Recovery = 110% Analysis Date = 10/19/01 Pct Recovery = 110% Analysis Date = 10/19/01 Pct Recovery = 110% Analysis Date = 10/12/01 Pct Recovery = 110% Analysis Date = 10/12/01 Pct Recovery = 110% Analysis Date = 10/06/01 Pct Recovery = 109% Analysis Date = 10/06/01 Pct Recovery = 109% Analysis Date = 09/30/01 Pct Recovery = 109% Analysis Date = 09/30/01 Pct Recovery = 109% Analysis Date = 09/24/01 Pct Recovery = 109% Analysis Date = 09/24/01 Pct Recovery = 109% Analysis Date = 09/18/01 Pct Recovery = 109% Analysis Date = 09/18/01 Pct Recovery = 109% Analysis Date = 09/12/01 Pct Recovery = 109% Analysis Date = 09/12/01 Pct Recovery = 109% Analysis Date = 09/05/01 Pct Recovery = 108% Analysis Date = 09/05/01 Pct Recovery = 108% Analysis Date = 08/30/01 Pct Recovery = 108% Analysis Date = 08/30/01 Pct Recovery = 108% Analysis Date = 08/24/01 Pct Recovery = 108% Analysis Date = 08/24/01 Pct Recovery = 108% Analysis Date = 08/18/01 Pct Recovery = 108% Analysis Date = 08/18/01 Pct Recovery = 108% Analysis Date = 08/12/01 Pct Recovery = 108% Analysis Date = 08/12/01 Pct Recovery = 108% Analysis Date = 08/06/01 Pct Recovery = 107% Analysis Date = 08/06/01 Pct Recovery = 107% Analysis Date = 07/30/01 Pct Recovery = 107% Analysis Date = 07/30/01 Pct Recovery = 107% Analysis Date = 07/24/01 Pct Recovery = 107% Analysis Date = 07/24/01 Pct Recovery = 107% Analysis Date = 07/18/01 Pct Recovery = 107% Analysis Date = 07/18/01 Pct Recovery = 107% Analysis Date = 07/12/01 Pct Recovery = 107% Analysis Date = 07/12/01 Pct Recovery = 107% Analysis Date = 07/06/01 Pct Recovery = 107% Analysis Date = 07/06/01 Pct Recovery = 107% Analysis Date = 06/30/01 Pct Recovery = 106% Analysis Date = 06/30/01 Pct Recovery = 106% Analysis Date = 06/24/01 Pct Recovery = 106% Analysis Date = 06/24/01 Pct Recovery = 106% Analysis Date = 06/17/01 Pct Recovery = 106% Analysis Date = 06/17/01 Pct Recovery = 106% Analysis Date = 06/11/01 Pct Recovery = 106% Analysis Date = 06/11/01 Pct Recovery = 106% Analysis Date = 06/05/01 Pct Recovery = 106% Analysis Date = 06/05/01 Pct Recovery = 106% Analysis Date = 05/30/01 Pct Recovery = 105% Analysis Date = 05/30/01 Pct Recovery = 105% Analysis Date = 05/24/01 Pct Recovery = 105% Analysis Date = 05/24/01 Pct Recovery = 105% Analysis Date = 05/18/01 Pct Recovery = 105% Analysis Date = 05/18/01 Pct Recovery = 105% Analysis Date = 05/11/01 Pct Recovery = 105% Analysis Date = 05/11/01 Pct Recovery = 105% Analysis Date = 05/05/01 Pct Recovery = 105% Analysis Date = 05/05/01 Pct Recovery = 105% Analysis Date = 04/29/01 Pct Recovery = 105% Analysis Date = 04/29/01 Pct Recovery = 105% Analysis Date = 04/23/01 Pct Recovery = 104% Analysis Date = 04/23/01 Pct Recovery = 104% Analysis Date = 04/17/01 Pct Recovery = 104% Analysis Date = 04/17/01 Pct Recovery = 104% Analysis Date = 04/11/01 Pct Recovery = 104% Analysis Date = 04/11/01 Pct Recovery = 104% Analysis Date = 04/05/01 Pct Recovery = 104% Analysis Date = 04/05/01 Pct Recovery = 104% Analysis Date = 03/29/01 Pct Recovery = 104% Analysis Date = 03/29/01 Pct Recovery = 104% Analysis Date = 03/23/01 Pct Recovery = 103% Analysis Date = 03/23/01 Pct Recovery = 103% Analysis Date = 03/17/01 Pct Recovery = 103% Analysis Date = 03/17/01 Pct Recovery = 103% Analysis Date = 03/11/01 Pct Recovery = 103% Analysis Date = 03/11/01 Pct Recovery = 103% Analysis Date = 03/05/01 Pct Recovery = 103% Analysis Date = 03/05/01 Pct Recovery = 103% Analysis Date = 02/27/01 Pct Recovery = 103% Analysis Date = 02/27/01 Pct Recovery = 103% Analysis Date = 02/20/01 Pct Recovery = 102% Analysis Date = 02/20/01 Pct Recovery = 102% Analysis Date = 02/14/01 Pct Recovery = 102% Analysis Date = 02/14/01 Pct Recovery = 102% Analysis Date = 02/08/01 Pct Recovery = 102% Analysis Date = 02/08/01 Pct Recovery = 102% Analysis Date = 02/02/01 Pct Recovery = 102% Analysis Date = 02/02/01 Pct Recovery = 102% Analysis Date = 01/27/01 Pct Recovery = 102% Analysis Date = 01/27/01 Pct Recovery = 102% Analysis Date = 01/21/01 Pct Recovery = 102% Analysis Date = 01/21/01 Pct Recovery = 102% Analysis Date = 01/14/01 Pct Recovery = 101% Analysis Date = 01/14/01 Pct Recovery = 101% Analysis Date = 01/08/01 Pct Recovery = 101% Analysis Date = 01/08/01 Pct Recovery = 101% Analysis Date = 01/02/01 Pct Recovery = 101% Analysis Date = 01/02/01 Pct Recovery = 101% Analysis Date = 12/27/00 Pct Recovery = 101% Analysis Date = 12/27/00 Pct Recovery = 101% Analysis Date = 12/21/00 Pct Recovery = 101% Analysis Date = 12/21/00 Pct Recovery = 101% Analysis Date = 12/15/00 Pct Recovery = 100% Analysis Date = 12/15/00 Pct Recovery = 100% Analysis Date = 12/09/00 Pct Recovery = 100% Analysis Date = 12/09/00 Pct Recovery = 100% Analysis Date = 12/02/00 Pct Recovery = 100% Analysis Date = 12/02/00 Pct Recovery = 100% Analysis Date = 11/26/00 Pct Recovery = 100% Analysis Date = 11/26/00 Pct Recovery = 100% Analysis Date = 11/20/00 Pct Recovery = 100% Analysis Date = 11/20/00 Pct Recovery = 100% Analysis Date = 11/14/00 Pct Recovery = 100% Analysis Date = 11/14/00 Pct Recovery = 100% Analysis Date = 11/08/00 Pct Recovery = 99% Analysis Date = 11/08/00 Pct Recovery = 99% Analysis Date = 11/02/00 Pct Recovery = 99% Analysis Date = 11/02/00 Pct Recovery = 99% Analysis Date = 10/26/00 Pct Recovery = 99% Analysis Date = 10/26/00 Pct Recovery = 99% Analysis Date = 10/20/00 Pct Recovery = 99% Analysis Date = 10/20/00 Pct Recovery = 99% Analysis Date = 10/14/00 Pct Recovery = 99% Analysis Date = 10/14/00 Pct Recovery = 99% Analysis Date = 10/08/00 Pct Recovery = 99% Analysis Date = 10/08/00 Pct Recovery = 99% Analysis Date = 10/02/00 Pct Recovery = 99% Analysis Date = 10/02/00 Pct Recovery = 99% Analysis Date = 09/26/00 Pct Recovery = 99% Analysis Date = 09/26/00 Pct Recovery = 99% Analysis Date = 09/20/00 Pct Recovery = 99% Analysis Date = 09/20/00 Pct Recovery = 99% Analysis Date = 09/13/00 Pct Recovery = 99% Analysis Date = 09/13/00 Pct Recovery = 99% Analysis Date = 09/07/00 Pct Recovery = 98% Analysis Date = 09/07/00 Pct Recovery = 98% Analysis Date = 09/01/00 Pct Recovery = 98% Analysis Date = 09/01/00 Pct Recovery = 98% Analysis Date = 08/26/00 Pct Recovery = 98% Analysis Date = 08/26/00 Pct Recovery = 98% Analysis Date = 08/20/00 Pct Recovery = 98% Analysis Date = 08/20/00 Pct Recovery = 98% Analysis Date = 08/14/00 Pct Recovery = 98% Analysis Date = 08/14/00 Pct Recovery = 98% Analysis Date = 08/07/00 Pct Recovery = 98% Analysis Date = 08/07/00 Pct Recovery = 98% Analysis Date = 08/01/00 Pct Recovery = 98% Analysis Date = 08/01/00 Pct Recovery = 98% Analysis Date = 07/26/00 Pct Recovery = 98% Analysis Date = 07/26/00 Pct Recovery = 98% Analysis Date = 07/20/00 Pct Recovery = 98% Analysis Date = 07/20/00 Pct Recovery = 98% Analysis Date = 07/14/00 Pct Recovery = 98% Analysis Date = 07/14/00 Pct Recovery = 98% Analysis Date = 07/08/00 Pct Recovery = 98% Analysis Date = 07/08/00 Pct Recovery = 98% Analysis Date = 07/01/00 Pct Recovery = 98% Analysis Date = 07/01/00 Pct Recovery = 98% Analysis Date = 06/25/00 Pct Recovery = 98% Analysis Date = 06/25/00 Pct Recovery = 98% Analysis Date = 06/19/00 Pct Recovery = 98% Analysis Date = 06/19/00 Pct Recovery = 98% Analysis Date = 06/13/00 Pct Recovery = 98% Analysis Date = 06/13/00 Pct Recovery = 98% Analysis Date = 06/07/00 Pct Recovery = 98% Analysis Date = 06/07/00 Pct Recovery = 98% Analysis Date = 06/01/00 Pct Recovery = 98% Analysis Date = 06/01/00 Pct Recovery = 98% Analysis Date = 05/26/00 Pct Recovery = 98% Analysis Date = 05/26/00 Pct Recovery = 98% Analysis Date = 05/19/00 Pct Recovery = 98% Analysis Date = 05/19/00 Pct Recovery = 98% Analysis Date = 05/13/00 Pct Recovery = 98% Analysis Date = 05/13/00 Pct Recovery = 98% Analysis Date = 05/07/00 Pct Recovery = 98% Analysis Date = 05/07/00 Pct Recovery = 98% Analysis Date = 05/01/00 Pct Recovery = 98% Analysis Date = 05/01/00 Pct Recovery = 98% Analysis Date = 04/25/00 Pct Recovery = 98% Analysis Date = 04/25/00 Pct Recovery = 98% Analysis Date = 04/19/00 Pct Recovery = 98% Analysis Date = 04/19/00 Pct Recovery = 98% Analysis Date = 04/12/00 Pct Recovery = 98% Analysis Date = 04/12/00 Pct Recovery = 98% Analysis Date = 04/06/00 Pct Recovery = 98% Analysis Date = 04/06/00 Pct Recovery = 98% Analysis Date = 03/31/00 Pct Recovery = 98% Analysis Date = 03/31/00 Pct Recovery = 98% Analysis Date = 03/25/00 Pct Recovery = 98% Analysis Date = 03/25/00 Pct Recovery = 98% Analysis Date = 03/19/00 Pct Recovery = 98% Analysis Date = 03/19/00 Pct Recovery = 98% Analysis Date = 03/13/00 Pct Recovery = 98% Analysis Date = 03/13/00 Pct Recovery = 98% Analysis Date = 03/06/00 Pct Recovery = 98% Analysis Date = 03/06/00 Pct Recovery = 98% Analysis Date = 02/29/00 Pct Recovery = 98% Analysis Date = 02/29/00 Pct Recovery = 98% Analysis Date = 02/23/00 Pct Recovery = 98% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
CHLOROETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 14 115% 17% 116% 21%
Total 14 115% 17% 116% 21%

Sample Statistics
CHLOROETHANE

Characteristic N % % Basis
Plotted 14 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 14 .  
False Negatives 0 0% 0 out of 14
Not Spiked 22 .  
False Positives 0 0% 0 out of 22

BQS OBSP Determination:
CHLOROFORM
METHOD: 4054 , TESTIDCODE: 32106GCM66
Open Data Set

Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 104% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 103% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 99% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 104% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 102% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 101% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 100% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 108% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 111% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 94% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 102% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 106% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 99% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 115% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 100% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 104% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 113% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 110% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 106% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 102% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 98% Analysis Date = 08/24/01 Pct Recovery = 100% Analysis Date = 08/22/01 Pct Recovery = 100% Analysis Date = 08/22/01 Pct Recovery = 100% Analysis Date = 08/19/01 Pct Recovery = 100% Analysis Date = 08/19/01 Pct Recovery = 100% Analysis Date = 08/16/01 Pct Recovery = 100% Analysis Date = 08/16/01 Pct Recovery = 100% Analysis Date = 08/13/01 Pct Recovery = 100% Analysis Date = 08/13/01 Pct Recovery = 100% Analysis Date = 08/10/01 Pct Recovery = 100% Analysis Date = 08/10/01 Pct Recovery = 100% Analysis Date = 08/07/01 Pct Recovery = 101% Analysis Date = 08/07/01 Pct Recovery = 101% Analysis Date = 08/04/01 Pct Recovery = 101% Analysis Date = 08/04/01 Pct Recovery = 101% Analysis Date = 08/01/01 Pct Recovery = 101% Analysis Date = 08/01/01 Pct Recovery = 101% Analysis Date = 07/29/01 Pct Recovery = 101% Analysis Date = 07/29/01 Pct Recovery = 101% Analysis Date = 07/26/01 Pct Recovery = 101% Analysis Date = 07/26/01 Pct Recovery = 101% Analysis Date = 07/23/01 Pct Recovery = 101% Analysis Date = 07/23/01 Pct Recovery = 101% Analysis Date = 07/20/01 Pct Recovery = 101% Analysis Date = 07/20/01 Pct Recovery = 101% Analysis Date = 07/17/01 Pct Recovery = 101% Analysis Date = 07/17/01 Pct Recovery = 101% Analysis Date = 07/14/01 Pct Recovery = 101% Analysis Date = 07/14/01 Pct Recovery = 101% Analysis Date = 07/11/01 Pct Recovery = 101% Analysis Date = 07/11/01 Pct Recovery = 101% Analysis Date = 07/08/01 Pct Recovery = 101% Analysis Date = 07/08/01 Pct Recovery = 101% Analysis Date = 07/05/01 Pct Recovery = 101% Analysis Date = 07/05/01 Pct Recovery = 101% Analysis Date = 07/02/01 Pct Recovery = 102% Analysis Date = 07/02/01 Pct Recovery = 102% Analysis Date = 06/29/01 Pct Recovery = 102% Analysis Date = 06/29/01 Pct Recovery = 102% Analysis Date = 06/26/01 Pct Recovery = 102% Analysis Date = 06/26/01 Pct Recovery = 102% Analysis Date = 06/23/01 Pct Recovery = 102% Analysis Date = 06/23/01 Pct Recovery = 102% Analysis Date = 06/20/01 Pct Recovery = 102% Analysis Date = 06/20/01 Pct Recovery = 102% Analysis Date = 06/17/01 Pct Recovery = 102% Analysis Date = 06/17/01 Pct Recovery = 102% Analysis Date = 06/15/01 Pct Recovery = 102% Analysis Date = 06/15/01 Pct Recovery = 102% Analysis Date = 06/12/01 Pct Recovery = 102% Analysis Date = 06/12/01 Pct Recovery = 102% Analysis Date = 06/09/01 Pct Recovery = 102% Analysis Date = 06/09/01 Pct Recovery = 102% Analysis Date = 06/06/01 Pct Recovery = 102% Analysis Date = 06/06/01 Pct Recovery = 102% Analysis Date = 06/03/01 Pct Recovery = 102% Analysis Date = 06/03/01 Pct Recovery = 102% Analysis Date = 05/31/01 Pct Recovery = 102% Analysis Date = 05/31/01 Pct Recovery = 102% Analysis Date = 05/28/01 Pct Recovery = 102% Analysis Date = 05/28/01 Pct Recovery = 102% Analysis Date = 05/25/01 Pct Recovery = 103% Analysis Date = 05/25/01 Pct Recovery = 103% Analysis Date = 05/22/01 Pct Recovery = 103% Analysis Date = 05/22/01 Pct Recovery = 103% Analysis Date = 05/19/01 Pct Recovery = 103% Analysis Date = 05/19/01 Pct Recovery = 103% Analysis Date = 05/16/01 Pct Recovery = 103% Analysis Date = 05/16/01 Pct Recovery = 103% Analysis Date = 05/13/01 Pct Recovery = 103% Analysis Date = 05/13/01 Pct Recovery = 103% Analysis Date = 05/10/01 Pct Recovery = 103% Analysis Date = 05/10/01 Pct Recovery = 103% Analysis Date = 05/07/01 Pct Recovery = 103% Analysis Date = 05/07/01 Pct Recovery = 103% Analysis Date = 05/04/01 Pct Recovery = 103% Analysis Date = 05/04/01 Pct Recovery = 103% Analysis Date = 05/01/01 Pct Recovery = 103% Analysis Date = 05/01/01 Pct Recovery = 103% Analysis Date = 04/28/01 Pct Recovery = 103% Analysis Date = 04/28/01 Pct Recovery = 103% Analysis Date = 04/25/01 Pct Recovery = 103% Analysis Date = 04/25/01 Pct Recovery = 103% Analysis Date = 04/22/01 Pct Recovery = 103% Analysis Date = 04/22/01 Pct Recovery = 103% Analysis Date = 04/19/01 Pct Recovery = 103% Analysis Date = 04/19/01 Pct Recovery = 103% Analysis Date = 04/16/01 Pct Recovery = 104% Analysis Date = 04/16/01 Pct Recovery = 104% Analysis Date = 04/13/01 Pct Recovery = 104% Analysis Date = 04/13/01 Pct Recovery = 104% Analysis Date = 04/10/01 Pct Recovery = 104% Analysis Date = 04/10/01 Pct Recovery = 104% Analysis Date = 04/08/01 Pct Recovery = 104% Analysis Date = 04/08/01 Pct Recovery = 104% Analysis Date = 04/05/01 Pct Recovery = 104% Analysis Date = 04/05/01 Pct Recovery = 104% Analysis Date = 04/02/01 Pct Recovery = 104% Analysis Date = 04/02/01 Pct Recovery = 104% Analysis Date = 03/30/01 Pct Recovery = 104% Analysis Date = 03/30/01 Pct Recovery = 104% Analysis Date = 03/27/01 Pct Recovery = 104% Analysis Date = 03/27/01 Pct Recovery = 104% Analysis Date = 03/24/01 Pct Recovery = 104% Analysis Date = 03/24/01 Pct Recovery = 104% Analysis Date = 03/21/01 Pct Recovery = 104% Analysis Date = 03/21/01 Pct Recovery = 104% Analysis Date = 03/18/01 Pct Recovery = 104% Analysis Date = 03/18/01 Pct Recovery = 104% Analysis Date = 03/15/01 Pct Recovery = 104% Analysis Date = 03/15/01 Pct Recovery = 104% Analysis Date = 03/12/01 Pct Recovery = 105% Analysis Date = 03/12/01 Pct Recovery = 105% Analysis Date = 03/09/01 Pct Recovery = 105% Analysis Date = 03/09/01 Pct Recovery = 105% Analysis Date = 03/06/01 Pct Recovery = 105% Analysis Date = 03/06/01 Pct Recovery = 105% Analysis Date = 03/03/01 Pct Recovery = 105% Analysis Date = 03/03/01 Pct Recovery = 105% Analysis Date = 02/28/01 Pct Recovery = 105% Analysis Date = 02/28/01 Pct Recovery = 105% Analysis Date = 02/25/01 Pct Recovery = 105% Analysis Date = 02/25/01 Pct Recovery = 105% Analysis Date = 02/22/01 Pct Recovery = 105% Analysis Date = 02/22/01 Pct Recovery = 105% Analysis Date = 02/19/01 Pct Recovery = 105% Analysis Date = 02/19/01 Pct Recovery = 105% Analysis Date = 02/16/01 Pct Recovery = 105% Analysis Date = 02/16/01 Pct Recovery = 105% Analysis Date = 02/13/01 Pct Recovery = 105% Analysis Date = 02/13/01 Pct Recovery = 105% Analysis Date = 02/10/01 Pct Recovery = 105% Analysis Date = 02/10/01 Pct Recovery = 105% Analysis Date = 02/07/01 Pct Recovery = 105% Analysis Date = 02/07/01 Pct Recovery = 105% Analysis Date = 02/04/01 Pct Recovery = 105% Analysis Date = 02/04/01 Pct Recovery = 105% Analysis Date = 02/01/01 Pct Recovery = 105% Analysis Date = 02/01/01 Pct Recovery = 105% Analysis Date = 01/30/01 Pct Recovery = 105% Analysis Date = 01/30/01 Pct Recovery = 105% Analysis Date = 01/27/01 Pct Recovery = 106% Analysis Date = 01/27/01 Pct Recovery = 106% Analysis Date = 01/24/01 Pct Recovery = 106% Analysis Date = 01/24/01 Pct Recovery = 106% Analysis Date = 01/21/01 Pct Recovery = 106% Analysis Date = 01/21/01 Pct Recovery = 106% Analysis Date = 01/18/01 Pct Recovery = 106% Analysis Date = 01/18/01 Pct Recovery = 106% Analysis Date = 01/15/01 Pct Recovery = 106% Analysis Date = 01/15/01 Pct Recovery = 106% Analysis Date = 01/12/01 Pct Recovery = 106% Analysis Date = 01/12/01 Pct Recovery = 106% Analysis Date = 01/09/01 Pct Recovery = 106% Analysis Date = 01/09/01 Pct Recovery = 106% Analysis Date = 01/06/01 Pct Recovery = 106% Analysis Date = 01/06/01 Pct Recovery = 106% Analysis Date = 01/03/01 Pct Recovery = 106% Analysis Date = 01/03/01 Pct Recovery = 106% Analysis Date = 12/31/00 Pct Recovery = 106% Analysis Date = 12/31/00 Pct Recovery = 106% Analysis Date = 12/28/00 Pct Recovery = 106% Analysis Date = 12/28/00 Pct Recovery = 106% Analysis Date = 12/25/00 Pct Recovery = 106% Analysis Date = 12/25/00 Pct Recovery = 106% Analysis Date = 12/22/00 Pct Recovery = 106% Analysis Date = 12/22/00 Pct Recovery = 106% Analysis Date = 12/19/00 Pct Recovery = 106% Analysis Date = 12/19/00 Pct Recovery = 106% Analysis Date = 12/16/00 Pct Recovery = 107% Analysis Date = 12/16/00 Pct Recovery = 107% Analysis Date = 12/13/00 Pct Recovery = 107% Analysis Date = 12/13/00 Pct Recovery = 107% Analysis Date = 12/10/00 Pct Recovery = 107% Analysis Date = 12/10/00 Pct Recovery = 107% Analysis Date = 12/07/00 Pct Recovery = 107% Analysis Date = 12/07/00 Pct Recovery = 107% Analysis Date = 12/04/00 Pct Recovery = 107% Analysis Date = 12/04/00 Pct Recovery = 107% Analysis Date = 12/01/00 Pct Recovery = 107% Analysis Date = 12/01/00 Pct Recovery = 107% Analysis Date = 11/28/00 Pct Recovery = 107% Analysis Date = 11/28/00 Pct Recovery = 107% Analysis Date = 11/25/00 Pct Recovery = 107% Analysis Date = 11/25/00 Pct Recovery = 107% Analysis Date = 11/23/00 Pct Recovery = 107% Analysis Date = 11/23/00 Pct Recovery = 107% Analysis Date = 11/20/00 Pct Recovery = 107% Analysis Date = 11/20/00 Pct Recovery = 107% Analysis Date = 11/17/00 Pct Recovery = 107% Analysis Date = 11/17/00 Pct Recovery = 107% Analysis Date = 11/14/00 Pct Recovery = 107% Analysis Date = 11/14/00 Pct Recovery = 107% Analysis Date = 11/11/00 Pct Recovery = 107% Analysis Date = 11/11/00 Pct Recovery = 107% Analysis Date = 11/08/00 Pct Recovery = 107% Analysis Date = 11/08/00 Pct Recovery = 107% Analysis Date = 11/05/00 Pct Recovery = 108% Analysis Date = 11/05/00 Pct Recovery = 108% Analysis Date = 11/02/00 Pct Recovery = 108% Analysis Date = 11/02/00 Pct Recovery = 108% Analysis Date = 10/30/00 Pct Recovery = 108% Analysis Date = 10/30/00 Pct Recovery = 108% Analysis Date = 10/27/00 Pct Recovery = 108% Analysis Date = 10/27/00 Pct Recovery = 108% Analysis Date = 10/24/00 Pct Recovery = 108% Analysis Date = 10/24/00 Pct Recovery = 108% Analysis Date = 10/21/00 Pct Recovery = 108% Analysis Date = 10/21/00 Pct Recovery = 108% Analysis Date = 10/18/00 Pct Recovery = 108% Analysis Date = 10/18/00 Pct Recovery = 108% Analysis Date = 10/15/00 Pct Recovery = 108% Analysis Date = 10/15/00 Pct Recovery = 108% Analysis Date = 10/12/00 Pct Recovery = 108% Analysis Date = 10/12/00 Pct Recovery = 108% Analysis Date = 10/09/00 Pct Recovery = 108% Analysis Date = 10/09/00 Pct Recovery = 108% Analysis Date = 10/06/00 Pct Recovery = 108% Analysis Date = 10/06/00 Pct Recovery = 108% Analysis Date = 10/03/00 Pct Recovery = 108% Analysis Date = 10/03/00 Pct Recovery = 108% Analysis Date = 09/30/00 Pct Recovery = 108% Analysis Date = 09/30/00 Pct Recovery = 108% Analysis Date = 09/27/00 Pct Recovery = 108% Analysis Date = 09/27/00 Pct Recovery = 108% Analysis Date = 09/24/00 Pct Recovery = 108% Analysis Date = 09/24/00 Pct Recovery = 108% Analysis Date = 09/21/00 Pct Recovery = 108% Analysis Date = 09/21/00 Pct Recovery = 108% Analysis Date = 09/18/00 Pct Recovery = 107% Analysis Date = 09/18/00 Pct Recovery = 107% Analysis Date = 09/15/00 Pct Recovery = 107% Analysis Date = 09/15/00 Pct Recovery = 107% Analysis Date = 09/13/00 Pct Recovery = 107% Analysis Date = 09/13/00 Pct Recovery = 107% Analysis Date = 09/10/00 Pct Recovery = 107% Analysis Date = 09/10/00 Pct Recovery = 107% Analysis Date = 09/07/00 Pct Recovery = 107% Analysis Date = 09/07/00 Pct Recovery = 107% Analysis Date = 09/04/00 Pct Recovery = 106% Analysis Date = 09/04/00 Pct Recovery = 106% Analysis Date = 09/01/00 Pct Recovery = 106% Analysis Date = 09/01/00 Pct Recovery = 106% Analysis Date = 08/29/00 Pct Recovery = 106% Analysis Date = 08/29/00 Pct Recovery = 106% Analysis Date = 08/26/00 Pct Recovery = 106% Analysis Date = 08/26/00 Pct Recovery = 106% Analysis Date = 08/23/00 Pct Recovery = 106% Analysis Date = 08/23/00 Pct Recovery = 106% Analysis Date = 08/20/00 Pct Recovery = 106% Analysis Date = 08/20/00 Pct Recovery = 106% Analysis Date = 08/17/00 Pct Recovery = 105% Analysis Date = 08/17/00 Pct Recovery = 105% Analysis Date = 08/14/00 Pct Recovery = 105% Analysis Date = 08/14/00 Pct Recovery = 105% Analysis Date = 08/11/00 Pct Recovery = 105% Analysis Date = 08/11/00 Pct Recovery = 105% Analysis Date = 08/08/00 Pct Recovery = 105% Analysis Date = 08/08/00 Pct Recovery = 105% Analysis Date = 08/05/00 Pct Recovery = 105% Analysis Date = 08/05/00 Pct Recovery = 105% Analysis Date = 08/02/00 Pct Recovery = 105% Analysis Date = 08/02/00 Pct Recovery = 105% Analysis Date = 07/30/00 Pct Recovery = 104% Analysis Date = 07/30/00 Pct Recovery = 104% Analysis Date = 07/27/00 Pct Recovery = 104% Analysis Date = 07/27/00 Pct Recovery = 104% Analysis Date = 07/24/00 Pct Recovery = 104% Analysis Date = 07/24/00 Pct Recovery = 104% Analysis Date = 07/21/00 Pct Recovery = 104% Analysis Date = 07/21/00 Pct Recovery = 104% Analysis Date = 07/18/00 Pct Recovery = 104% Analysis Date = 07/18/00 Pct Recovery = 104% Analysis Date = 07/15/00 Pct Recovery = 104% Analysis Date = 07/15/00 Pct Recovery = 104% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/09/00 Pct Recovery = 104% Analysis Date = 07/09/00 Pct Recovery = 104% Analysis Date = 07/07/00 Pct Recovery = 104% Analysis Date = 07/07/00 Pct Recovery = 104% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 07/01/00 Pct Recovery = 104% Analysis Date = 07/01/00 Pct Recovery = 104% Analysis Date = 06/28/00 Pct Recovery = 104% Analysis Date = 06/28/00 Pct Recovery = 104% Analysis Date = 06/25/00 Pct Recovery = 103% Analysis Date = 06/25/00 Pct Recovery = 103% Analysis Date = 06/22/00 Pct Recovery = 103% Analysis Date = 06/22/00 Pct Recovery = 103% Analysis Date = 06/19/00 Pct Recovery = 103% Analysis Date = 06/19/00 Pct Recovery = 103% Analysis Date = 06/16/00 Pct Recovery = 103% Analysis Date = 06/16/00 Pct Recovery = 103% Analysis Date = 06/13/00 Pct Recovery = 103% Analysis Date = 06/13/00 Pct Recovery = 103% Analysis Date = 06/10/00 Pct Recovery = 103% Analysis Date = 06/10/00 Pct Recovery = 103% Analysis Date = 06/07/00 Pct Recovery = 103% Analysis Date = 06/07/00 Pct Recovery = 103% Analysis Date = 06/04/00 Pct Recovery = 103% Analysis Date = 06/04/00 Pct Recovery = 103% Analysis Date = 06/01/00 Pct Recovery = 103% Analysis Date = 06/01/00 Pct Recovery = 103% Analysis Date = 05/29/00 Pct Recovery = 103% Analysis Date = 05/29/00 Pct Recovery = 103% Analysis Date = 05/26/00 Pct Recovery = 103% Analysis Date = 05/26/00 Pct Recovery = 103% Analysis Date = 05/23/00 Pct Recovery = 103% Analysis Date = 05/23/00 Pct Recovery = 103% Analysis Date = 05/20/00 Pct Recovery = 103% Analysis Date = 05/20/00 Pct Recovery = 103% Analysis Date = 05/17/00 Pct Recovery = 103% Analysis Date = 05/17/00 Pct Recovery = 103% Analysis Date = 05/14/00 Pct Recovery = 103% Analysis Date = 05/14/00 Pct Recovery = 103% Analysis Date = 05/11/00 Pct Recovery = 103% Analysis Date = 05/11/00 Pct Recovery = 103% Analysis Date = 05/08/00 Pct Recovery = 103% Analysis Date = 05/08/00 Pct Recovery = 103% Analysis Date = 05/05/00 Pct Recovery = 103% Analysis Date = 05/05/00 Pct Recovery = 103% Analysis Date = 05/02/00 Pct Recovery = 103% Analysis Date = 05/02/00 Pct Recovery = 103% Analysis Date = 04/30/00 Pct Recovery = 103% Analysis Date = 04/30/00 Pct Recovery = 103% Analysis Date = 04/27/00 Pct Recovery = 103% Analysis Date = 04/27/00 Pct Recovery = 103% Analysis Date = 04/24/00 Pct Recovery = 103% Analysis Date = 04/24/00 Pct Recovery = 103% Analysis Date = 04/21/00 Pct Recovery = 103% Analysis Date = 04/21/00 Pct Recovery = 103% Analysis Date = 04/18/00 Pct Recovery = 103% Analysis Date = 04/18/00 Pct Recovery = 103% Analysis Date = 04/15/00 Pct Recovery = 103% Analysis Date = 04/15/00 Pct Recovery = 103% Analysis Date = 04/12/00 Pct Recovery = 103% Analysis Date = 04/12/00 Pct Recovery = 103% Analysis Date = 04/09/00 Pct Recovery = 102% Analysis Date = 04/09/00 Pct Recovery = 102% Analysis Date = 04/06/00 Pct Recovery = 102% Analysis Date = 04/06/00 Pct Recovery = 102% Analysis Date = 04/03/00 Pct Recovery = 102% Analysis Date = 04/03/00 Pct Recovery = 102% Analysis Date = 03/31/00 Pct Recovery = 102% Analysis Date = 03/31/00 Pct Recovery = 102% Analysis Date = 03/28/00 Pct Recovery = 102% Analysis Date = 03/28/00 Pct Recovery = 102% Analysis Date = 03/25/00 Pct Recovery = 102% Analysis Date = 03/25/00 Pct Recovery = 102% Analysis Date = 03/22/00 Pct Recovery = 102% Analysis Date = 03/22/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/16/00 Pct Recovery = 102% Analysis Date = 03/16/00 Pct Recovery = 102% Analysis Date = 03/13/00 Pct Recovery = 102% Analysis Date = 03/13/00 Pct Recovery = 102% Analysis Date = 03/10/00 Pct Recovery = 102% Analysis Date = 03/10/00 Pct Recovery = 102% Analysis Date = 03/07/00 Pct Recovery = 102% Analysis Date = 03/07/00 Pct Recovery = 102% Analysis Date = 03/04/00 Pct Recovery = 102% Analysis Date = 03/04/00 Pct Recovery = 102% Analysis Date = 03/01/00 Pct Recovery = 102% Analysis Date = 03/01/00 Pct Recovery = 102% Analysis Date = 02/27/00 Pct Recovery = 102% Analysis Date = 02/27/00 Pct Recovery = 102% Analysis Date = 02/24/00 Pct Recovery = 102% Analysis Date = 02/24/00 Pct Recovery = 102% Analysis Date = 02/22/00 Pct Recovery = 103% Analysis Date = 02/22/00 Pct Recovery = 103% Analysis Date = 02/19/00 Pct Recovery = 103% Analysis Date = 02/19/00 Pct Recovery = 103% Analysis Date = 02/16/00 Pct Recovery = 103% Analysis Date = 02/16/00 Pct Recovery = 103% Analysis Date = 02/13/00 Pct Recovery = 103% Analysis Date = 02/13/00 Pct Recovery = 103% Analysis Date = 02/10/00 Pct Recovery = 103% Analysis Date = 02/10/00 Pct Recovery = 103% Analysis Date = 02/07/00 Pct Recovery = 103% Analysis Date = 02/07/00 Pct Recovery = 103% Analysis Date = 02/04/00 Pct Recovery = 104% Analysis Date = 02/04/00 Pct Recovery = 104% Analysis Date = 02/01/00 Pct Recovery = 104% Analysis Date = 02/01/00 Pct Recovery = 104% Analysis Date = 01/29/00 Pct Recovery = 104% Analysis Date = 01/29/00 Pct Recovery = 104% Analysis Date = 01/26/00 Pct Recovery = 104% Analysis Date = 01/26/00 Pct Recovery = 104% Analysis Date = 01/23/00 Pct Recovery = 104% Analysis Date = 01/23/00 Pct Recovery = 104% Analysis Date = 01/20/00 Pct Recovery = 104% Analysis Date = 01/20/00 Pct Recovery = 104% Analysis Date = 01/17/00 Pct Recovery = 105% Analysis Date = 01/17/00 Pct Recovery = 105% Analysis Date = 01/14/00 Pct Recovery = 105% Analysis Date = 01/14/00 Pct Recovery = 105% Analysis Date = 01/11/00 Pct Recovery = 105% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
CHLOROFORM

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 104% 5% 103% 4%
Total 21 104% 5% 103% 4%

Sample Statistics
CHLOROFORM

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
CHLOROMETHANE
METHOD: 4054 , TESTIDCODE: 34418GCM66
Open Data Set

Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 97% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 141% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 135% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 127% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 130% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 122% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 104% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 96% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 114% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 141% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 117% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 107% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 121% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 104% Analysis Date = 07/08/03 Pct Recovery = 123% Analysis Date = 07/02/03 Pct Recovery = 123% Analysis Date = 07/02/03 Pct Recovery = 123% Analysis Date = 06/26/03 Pct Recovery = 123% Analysis Date = 06/26/03 Pct Recovery = 123% Analysis Date = 06/20/03 Pct Recovery = 123% Analysis Date = 06/20/03 Pct Recovery = 123% Analysis Date = 06/14/03 Pct Recovery = 123% Analysis Date = 06/14/03 Pct Recovery = 123% Analysis Date = 06/08/03 Pct Recovery = 123% Analysis Date = 06/08/03 Pct Recovery = 123% Analysis Date = 06/02/03 Pct Recovery = 123% Analysis Date = 06/02/03 Pct Recovery = 123% Analysis Date = 05/26/03 Pct Recovery = 123% Analysis Date = 05/26/03 Pct Recovery = 123% Analysis Date = 05/20/03 Pct Recovery = 123% Analysis Date = 05/20/03 Pct Recovery = 123% Analysis Date = 05/14/03 Pct Recovery = 124% Analysis Date = 05/14/03 Pct Recovery = 124% Analysis Date = 05/08/03 Pct Recovery = 124% Analysis Date = 05/08/03 Pct Recovery = 124% Analysis Date = 05/02/03 Pct Recovery = 124% Analysis Date = 05/02/03 Pct Recovery = 124% Analysis Date = 04/26/03 Pct Recovery = 124% Analysis Date = 04/26/03 Pct Recovery = 124% Analysis Date = 04/19/03 Pct Recovery = 124% Analysis Date = 04/19/03 Pct Recovery = 124% Analysis Date = 04/13/03 Pct Recovery = 124% Analysis Date = 04/13/03 Pct Recovery = 124% Analysis Date = 04/07/03 Pct Recovery = 124% Analysis Date = 04/07/03 Pct Recovery = 124% Analysis Date = 04/01/03 Pct Recovery = 124% Analysis Date = 04/01/03 Pct Recovery = 124% Analysis Date = 03/26/03 Pct Recovery = 124% Analysis Date = 03/26/03 Pct Recovery = 124% Analysis Date = 03/20/03 Pct Recovery = 124% Analysis Date = 03/20/03 Pct Recovery = 124% Analysis Date = 03/14/03 Pct Recovery = 124% Analysis Date = 03/14/03 Pct Recovery = 124% Analysis Date = 03/07/03 Pct Recovery = 124% Analysis Date = 03/07/03 Pct Recovery = 124% Analysis Date = 03/01/03 Pct Recovery = 124% Analysis Date = 03/01/03 Pct Recovery = 124% Analysis Date = 02/23/03 Pct Recovery = 124% Analysis Date = 02/23/03 Pct Recovery = 124% Analysis Date = 02/17/03 Pct Recovery = 124% Analysis Date = 02/17/03 Pct Recovery = 124% Analysis Date = 02/11/03 Pct Recovery = 124% Analysis Date = 02/11/03 Pct Recovery = 124% Analysis Date = 02/05/03 Pct Recovery = 124% Analysis Date = 02/05/03 Pct Recovery = 124% Analysis Date = 01/29/03 Pct Recovery = 124% Analysis Date = 01/29/03 Pct Recovery = 124% Analysis Date = 01/23/03 Pct Recovery = 124% Analysis Date = 01/23/03 Pct Recovery = 124% Analysis Date = 01/17/03 Pct Recovery = 124% Analysis Date = 01/17/03 Pct Recovery = 124% Analysis Date = 01/11/03 Pct Recovery = 124% Analysis Date = 01/11/03 Pct Recovery = 124% Analysis Date = 01/05/03 Pct Recovery = 124% Analysis Date = 01/05/03 Pct Recovery = 124% Analysis Date = 12/30/02 Pct Recovery = 124% Analysis Date = 12/30/02 Pct Recovery = 124% Analysis Date = 12/23/02 Pct Recovery = 124% Analysis Date = 12/23/02 Pct Recovery = 124% Analysis Date = 12/17/02 Pct Recovery = 124% Analysis Date = 12/17/02 Pct Recovery = 124% Analysis Date = 12/11/02 Pct Recovery = 124% Analysis Date = 12/11/02 Pct Recovery = 124% Analysis Date = 12/05/02 Pct Recovery = 124% Analysis Date = 12/05/02 Pct Recovery = 124% Analysis Date = 11/29/02 Pct Recovery = 124% Analysis Date = 11/29/02 Pct Recovery = 124% Analysis Date = 11/23/02 Pct Recovery = 124% Analysis Date = 11/23/02 Pct Recovery = 124% Analysis Date = 11/17/02 Pct Recovery = 124% Analysis Date = 11/17/02 Pct Recovery = 124% Analysis Date = 11/10/02 Pct Recovery = 124% Analysis Date = 11/10/02 Pct Recovery = 124% Analysis Date = 11/04/02 Pct Recovery = 124% Analysis Date = 11/04/02 Pct Recovery = 124% Analysis Date = 10/29/02 Pct Recovery = 124% Analysis Date = 10/29/02 Pct Recovery = 124% Analysis Date = 10/23/02 Pct Recovery = 124% Analysis Date = 10/23/02 Pct Recovery = 124% Analysis Date = 10/17/02 Pct Recovery = 124% Analysis Date = 10/17/02 Pct Recovery = 124% Analysis Date = 10/11/02 Pct Recovery = 124% Analysis Date = 10/11/02 Pct Recovery = 124% Analysis Date = 10/04/02 Pct Recovery = 124% Analysis Date = 10/04/02 Pct Recovery = 124% Analysis Date = 09/28/02 Pct Recovery = 124% Analysis Date = 09/28/02 Pct Recovery = 124% Analysis Date = 09/22/02 Pct Recovery = 124% Analysis Date = 09/22/02 Pct Recovery = 124% Analysis Date = 09/16/02 Pct Recovery = 124% Analysis Date = 09/16/02 Pct Recovery = 124% Analysis Date = 09/10/02 Pct Recovery = 124% Analysis Date = 09/10/02 Pct Recovery = 124% Analysis Date = 09/04/02 Pct Recovery = 124% Analysis Date = 09/04/02 Pct Recovery = 124% Analysis Date = 08/29/02 Pct Recovery = 124% Analysis Date = 08/29/02 Pct Recovery = 124% Analysis Date = 08/22/02 Pct Recovery = 124% Analysis Date = 08/22/02 Pct Recovery = 124% Analysis Date = 08/16/02 Pct Recovery = 124% Analysis Date = 08/16/02 Pct Recovery = 124% Analysis Date = 08/10/02 Pct Recovery = 124% Analysis Date = 08/10/02 Pct Recovery = 124% Analysis Date = 08/04/02 Pct Recovery = 124% Analysis Date = 08/04/02 Pct Recovery = 124% Analysis Date = 07/29/02 Pct Recovery = 124% Analysis Date = 07/29/02 Pct Recovery = 124% Analysis Date = 07/23/02 Pct Recovery = 124% Analysis Date = 07/23/02 Pct Recovery = 124% Analysis Date = 07/16/02 Pct Recovery = 125% Analysis Date = 07/16/02 Pct Recovery = 125% Analysis Date = 07/10/02 Pct Recovery = 125% Analysis Date = 07/10/02 Pct Recovery = 125% Analysis Date = 07/04/02 Pct Recovery = 125% Analysis Date = 07/04/02 Pct Recovery = 125% Analysis Date = 06/28/02 Pct Recovery = 125% Analysis Date = 06/28/02 Pct Recovery = 125% Analysis Date = 06/22/02 Pct Recovery = 125% Analysis Date = 06/22/02 Pct Recovery = 125% Analysis Date = 06/16/02 Pct Recovery = 125% Analysis Date = 06/16/02 Pct Recovery = 125% Analysis Date = 06/09/02 Pct Recovery = 125% Analysis Date = 06/09/02 Pct Recovery = 125% Analysis Date = 06/03/02 Pct Recovery = 125% Analysis Date = 06/03/02 Pct Recovery = 125% Analysis Date = 05/28/02 Pct Recovery = 125% Analysis Date = 05/28/02 Pct Recovery = 125% Analysis Date = 05/22/02 Pct Recovery = 125% Analysis Date = 05/22/02 Pct Recovery = 125% Analysis Date = 05/16/02 Pct Recovery = 125% Analysis Date = 05/16/02 Pct Recovery = 125% Analysis Date = 05/10/02 Pct Recovery = 125% Analysis Date = 05/10/02 Pct Recovery = 125% Analysis Date = 05/04/02 Pct Recovery = 125% Analysis Date = 05/04/02 Pct Recovery = 125% Analysis Date = 04/27/02 Pct Recovery = 125% Analysis Date = 04/27/02 Pct Recovery = 125% Analysis Date = 04/21/02 Pct Recovery = 125% Analysis Date = 04/21/02 Pct Recovery = 125% Analysis Date = 04/15/02 Pct Recovery = 125% Analysis Date = 04/15/02 Pct Recovery = 125% Analysis Date = 04/09/02 Pct Recovery = 125% Analysis Date = 04/09/02 Pct Recovery = 125% Analysis Date = 04/03/02 Pct Recovery = 125% Analysis Date = 04/03/02 Pct Recovery = 125% Analysis Date = 03/28/02 Pct Recovery = 125% Analysis Date = 03/28/02 Pct Recovery = 125% Analysis Date = 03/21/02 Pct Recovery = 125% Analysis Date = 03/21/02 Pct Recovery = 125% Analysis Date = 03/15/02 Pct Recovery = 125% Analysis Date = 03/15/02 Pct Recovery = 125% Analysis Date = 03/09/02 Pct Recovery = 125% Analysis Date = 03/09/02 Pct Recovery = 125% Analysis Date = 03/03/02 Pct Recovery = 125% Analysis Date = 03/03/02 Pct Recovery = 125% Analysis Date = 02/25/02 Pct Recovery = 125% Analysis Date = 02/25/02 Pct Recovery = 125% Analysis Date = 02/19/02 Pct Recovery = 125% Analysis Date = 02/19/02 Pct Recovery = 125% Analysis Date = 02/13/02 Pct Recovery = 125% Analysis Date = 02/13/02 Pct Recovery = 125% Analysis Date = 02/06/02 Pct Recovery = 125% Analysis Date = 02/06/02 Pct Recovery = 125% Analysis Date = 01/31/02 Pct Recovery = 124% Analysis Date = 01/31/02 Pct Recovery = 124% Analysis Date = 01/25/02 Pct Recovery = 124% Analysis Date = 01/25/02 Pct Recovery = 124% Analysis Date = 01/19/02 Pct Recovery = 124% Analysis Date = 01/19/02 Pct Recovery = 124% Analysis Date = 01/13/02 Pct Recovery = 124% Analysis Date = 01/13/02 Pct Recovery = 124% Analysis Date = 01/07/02 Pct Recovery = 124% Analysis Date = 01/07/02 Pct Recovery = 124% Analysis Date = 12/31/01 Pct Recovery = 123% Analysis Date = 12/31/01 Pct Recovery = 123% Analysis Date = 12/25/01 Pct Recovery = 123% Analysis Date = 12/25/01 Pct Recovery = 123% Analysis Date = 12/19/01 Pct Recovery = 123% Analysis Date = 12/19/01 Pct Recovery = 123% Analysis Date = 12/13/01 Pct Recovery = 122% Analysis Date = 12/13/01 Pct Recovery = 122% Analysis Date = 12/07/01 Pct Recovery = 122% Analysis Date = 12/07/01 Pct Recovery = 122% Analysis Date = 12/01/01 Pct Recovery = 122% Analysis Date = 12/01/01 Pct Recovery = 122% Analysis Date = 11/24/01 Pct Recovery = 121% Analysis Date = 11/24/01 Pct Recovery = 121% Analysis Date = 11/18/01 Pct Recovery = 121% Analysis Date = 11/18/01 Pct Recovery = 121% Analysis Date = 11/12/01 Pct Recovery = 121% Analysis Date = 11/12/01 Pct Recovery = 121% Analysis Date = 11/06/01 Pct Recovery = 121% Analysis Date = 11/06/01 Pct Recovery = 121% Analysis Date = 10/31/01 Pct Recovery = 120% Analysis Date = 10/31/01 Pct Recovery = 120% Analysis Date = 10/25/01 Pct Recovery = 120% Analysis Date = 10/25/01 Pct Recovery = 120% Analysis Date = 10/19/01 Pct Recovery = 120% Analysis Date = 10/19/01 Pct Recovery = 120% Analysis Date = 10/12/01 Pct Recovery = 119% Analysis Date = 10/12/01 Pct Recovery = 119% Analysis Date = 10/06/01 Pct Recovery = 119% Analysis Date = 10/06/01 Pct Recovery = 119% Analysis Date = 09/30/01 Pct Recovery = 119% Analysis Date = 09/30/01 Pct Recovery = 119% Analysis Date = 09/24/01 Pct Recovery = 118% Analysis Date = 09/24/01 Pct Recovery = 118% Analysis Date = 09/18/01 Pct Recovery = 118% Analysis Date = 09/18/01 Pct Recovery = 118% Analysis Date = 09/12/01 Pct Recovery = 118% Analysis Date = 09/12/01 Pct Recovery = 118% Analysis Date = 09/05/01 Pct Recovery = 118% Analysis Date = 09/05/01 Pct Recovery = 118% Analysis Date = 08/30/01 Pct Recovery = 117% Analysis Date = 08/30/01 Pct Recovery = 117% Analysis Date = 08/24/01 Pct Recovery = 117% Analysis Date = 08/24/01 Pct Recovery = 117% Analysis Date = 08/18/01 Pct Recovery = 117% Analysis Date = 08/18/01 Pct Recovery = 117% Analysis Date = 08/12/01 Pct Recovery = 116% Analysis Date = 08/12/01 Pct Recovery = 116% Analysis Date = 08/06/01 Pct Recovery = 116% Analysis Date = 08/06/01 Pct Recovery = 116% Analysis Date = 07/30/01 Pct Recovery = 116% Analysis Date = 07/30/01 Pct Recovery = 116% Analysis Date = 07/24/01 Pct Recovery = 115% Analysis Date = 07/24/01 Pct Recovery = 115% Analysis Date = 07/18/01 Pct Recovery = 115% Analysis Date = 07/18/01 Pct Recovery = 115% Analysis Date = 07/12/01 Pct Recovery = 115% Analysis Date = 07/12/01 Pct Recovery = 115% Analysis Date = 07/06/01 Pct Recovery = 114% Analysis Date = 07/06/01 Pct Recovery = 114% Analysis Date = 06/30/01 Pct Recovery = 114% Analysis Date = 06/30/01 Pct Recovery = 114% Analysis Date = 06/24/01 Pct Recovery = 114% Analysis Date = 06/24/01 Pct Recovery = 114% Analysis Date = 06/17/01 Pct Recovery = 114% Analysis Date = 06/17/01 Pct Recovery = 114% Analysis Date = 06/11/01 Pct Recovery = 113% Analysis Date = 06/11/01 Pct Recovery = 113% Analysis Date = 06/05/01 Pct Recovery = 113% Analysis Date = 06/05/01 Pct Recovery = 113% Analysis Date = 05/30/01 Pct Recovery = 113% Analysis Date = 05/30/01 Pct Recovery = 113% Analysis Date = 05/24/01 Pct Recovery = 112% Analysis Date = 05/24/01 Pct Recovery = 112% Analysis Date = 05/18/01 Pct Recovery = 112% Analysis Date = 05/18/01 Pct Recovery = 112% Analysis Date = 05/11/01 Pct Recovery = 112% Analysis Date = 05/11/01 Pct Recovery = 112% Analysis Date = 05/05/01 Pct Recovery = 111% Analysis Date = 05/05/01 Pct Recovery = 111% Analysis Date = 04/29/01 Pct Recovery = 111% Analysis Date = 04/29/01 Pct Recovery = 111% Analysis Date = 04/23/01 Pct Recovery = 111% Analysis Date = 04/23/01 Pct Recovery = 111% Analysis Date = 04/17/01 Pct Recovery = 111% Analysis Date = 04/17/01 Pct Recovery = 111% Analysis Date = 04/11/01 Pct Recovery = 110% Analysis Date = 04/11/01 Pct Recovery = 110% Analysis Date = 04/05/01 Pct Recovery = 110% Analysis Date = 04/05/01 Pct Recovery = 110% Analysis Date = 03/29/01 Pct Recovery = 110% Analysis Date = 03/29/01 Pct Recovery = 110% Analysis Date = 03/23/01 Pct Recovery = 109% Analysis Date = 03/23/01 Pct Recovery = 109% Analysis Date = 03/17/01 Pct Recovery = 109% Analysis Date = 03/17/01 Pct Recovery = 109% Analysis Date = 03/11/01 Pct Recovery = 109% Analysis Date = 03/11/01 Pct Recovery = 109% Analysis Date = 03/05/01 Pct Recovery = 108% Analysis Date = 03/05/01 Pct Recovery = 108% Analysis Date = 02/27/01 Pct Recovery = 108% Analysis Date = 02/27/01 Pct Recovery = 108% Analysis Date = 02/20/01 Pct Recovery = 108% Analysis Date = 02/20/01 Pct Recovery = 108% Analysis Date = 02/14/01 Pct Recovery = 108% Analysis Date = 02/14/01 Pct Recovery = 108% Analysis Date = 02/08/01 Pct Recovery = 107% Analysis Date = 02/08/01 Pct Recovery = 107% Analysis Date = 02/02/01 Pct Recovery = 107% Analysis Date = 02/02/01 Pct Recovery = 107% Analysis Date = 01/27/01 Pct Recovery = 107% Analysis Date = 01/27/01 Pct Recovery = 107% Analysis Date = 01/21/01 Pct Recovery = 106% Analysis Date = 01/21/01 Pct Recovery = 106% Analysis Date = 01/14/01 Pct Recovery = 106% Analysis Date = 01/14/01 Pct Recovery = 106% Analysis Date = 01/08/01 Pct Recovery = 106% Analysis Date = 01/08/01 Pct Recovery = 106% Analysis Date = 01/02/01 Pct Recovery = 105% Analysis Date = 01/02/01 Pct Recovery = 105% Analysis Date = 12/27/00 Pct Recovery = 105% Analysis Date = 12/27/00 Pct Recovery = 105% Analysis Date = 12/21/00 Pct Recovery = 105% Analysis Date = 12/21/00 Pct Recovery = 105% Analysis Date = 12/15/00 Pct Recovery = 105% Analysis Date = 12/15/00 Pct Recovery = 105% Analysis Date = 12/09/00 Pct Recovery = 104% Analysis Date = 12/09/00 Pct Recovery = 104% Analysis Date = 12/02/00 Pct Recovery = 104% Analysis Date = 12/02/00 Pct Recovery = 104% Analysis Date = 11/26/00 Pct Recovery = 104% Analysis Date = 11/26/00 Pct Recovery = 104% Analysis Date = 11/20/00 Pct Recovery = 103% Analysis Date = 11/20/00 Pct Recovery = 103% Analysis Date = 11/14/00 Pct Recovery = 103% Analysis Date = 11/14/00 Pct Recovery = 103% Analysis Date = 11/08/00 Pct Recovery = 103% Analysis Date = 11/08/00 Pct Recovery = 103% Analysis Date = 11/02/00 Pct Recovery = 103% Analysis Date = 11/02/00 Pct Recovery = 103% Analysis Date = 10/26/00 Pct Recovery = 104% Analysis Date = 10/26/00 Pct Recovery = 104% Analysis Date = 10/20/00 Pct Recovery = 104% Analysis Date = 10/20/00 Pct Recovery = 104% Analysis Date = 10/14/00 Pct Recovery = 104% Analysis Date = 10/14/00 Pct Recovery = 104% Analysis Date = 10/08/00 Pct Recovery = 104% Analysis Date = 10/08/00 Pct Recovery = 104% Analysis Date = 10/02/00 Pct Recovery = 104% Analysis Date = 10/02/00 Pct Recovery = 104% Analysis Date = 09/26/00 Pct Recovery = 104% Analysis Date = 09/26/00 Pct Recovery = 104% Analysis Date = 09/20/00 Pct Recovery = 104% Analysis Date = 09/20/00 Pct Recovery = 104% Analysis Date = 09/13/00 Pct Recovery = 104% Analysis Date = 09/13/00 Pct Recovery = 104% Analysis Date = 09/07/00 Pct Recovery = 105% Analysis Date = 09/07/00 Pct Recovery = 105% Analysis Date = 09/01/00 Pct Recovery = 105% Analysis Date = 09/01/00 Pct Recovery = 105% Analysis Date = 08/26/00 Pct Recovery = 105% Analysis Date = 08/26/00 Pct Recovery = 105% Analysis Date = 08/20/00 Pct Recovery = 105% Analysis Date = 08/20/00 Pct Recovery = 105% Analysis Date = 08/14/00 Pct Recovery = 105% Analysis Date = 08/14/00 Pct Recovery = 105% Analysis Date = 08/07/00 Pct Recovery = 105% Analysis Date = 08/07/00 Pct Recovery = 105% Analysis Date = 08/01/00 Pct Recovery = 105% Analysis Date = 08/01/00 Pct Recovery = 105% Analysis Date = 07/26/00 Pct Recovery = 106% Analysis Date = 07/26/00 Pct Recovery = 106% Analysis Date = 07/20/00 Pct Recovery = 106% Analysis Date = 07/20/00 Pct Recovery = 106% Analysis Date = 07/14/00 Pct Recovery = 106% Analysis Date = 07/14/00 Pct Recovery = 106% Analysis Date = 07/08/00 Pct Recovery = 106% Analysis Date = 07/08/00 Pct Recovery = 106% Analysis Date = 07/01/00 Pct Recovery = 106% Analysis Date = 07/01/00 Pct Recovery = 106% Analysis Date = 06/25/00 Pct Recovery = 106% Analysis Date = 06/25/00 Pct Recovery = 106% Analysis Date = 06/19/00 Pct Recovery = 107% Analysis Date = 06/19/00 Pct Recovery = 107% Analysis Date = 06/13/00 Pct Recovery = 107% Analysis Date = 06/13/00 Pct Recovery = 107% Analysis Date = 06/07/00 Pct Recovery = 107% Analysis Date = 06/07/00 Pct Recovery = 107% Analysis Date = 06/01/00 Pct Recovery = 107% Analysis Date = 06/01/00 Pct Recovery = 107% Analysis Date = 05/26/00 Pct Recovery = 107% Analysis Date = 05/26/00 Pct Recovery = 107% Analysis Date = 05/19/00 Pct Recovery = 107% Analysis Date = 05/19/00 Pct Recovery = 107% Analysis Date = 05/13/00 Pct Recovery = 108% Analysis Date = 05/13/00 Pct Recovery = 108% Analysis Date = 05/07/00 Pct Recovery = 108% Analysis Date = 05/07/00 Pct Recovery = 108% Analysis Date = 05/01/00 Pct Recovery = 108% Analysis Date = 05/01/00 Pct Recovery = 108% Analysis Date = 04/25/00 Pct Recovery = 108% Analysis Date = 04/25/00 Pct Recovery = 108% Analysis Date = 04/19/00 Pct Recovery = 108% Analysis Date = 04/19/00 Pct Recovery = 108% Analysis Date = 04/12/00 Pct Recovery = 109% Analysis Date = 04/12/00 Pct Recovery = 109% Analysis Date = 04/06/00 Pct Recovery = 109% Analysis Date = 04/06/00 Pct Recovery = 109% Analysis Date = 03/31/00 Pct Recovery = 109% Analysis Date = 03/31/00 Pct Recovery = 109% Analysis Date = 03/25/00 Pct Recovery = 109% Analysis Date = 03/25/00 Pct Recovery = 109% Analysis Date = 03/19/00 Pct Recovery = 109% Analysis Date = 03/19/00 Pct Recovery = 109% Analysis Date = 03/13/00 Pct Recovery = 110% Analysis Date = 03/13/00 Pct Recovery = 110% Analysis Date = 03/06/00 Pct Recovery = 110% Analysis Date = 03/06/00 Pct Recovery = 110% Analysis Date = 02/29/00 Pct Recovery = 110% Analysis Date = 02/29/00 Pct Recovery = 110% Analysis Date = 02/23/00 Pct Recovery = 110% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
CHLOROMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 14 118% 15% 119% 19%
Total 14 118% 15% 119% 19%

Sample Statistics
CHLOROMETHANE

Characteristic N % % Basis
Plotted 14 100% Spiked
Estimated Values 14 100% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 14 .  
False Negatives 0 0% 0 out of 14
Not Spiked 22 .  
False Positives 2 9% 2 out of 22

BQS OBSP Determination:
CIS-1,2-DICHLOROETHYLENE
METHOD: 4054 , TESTIDCODE: 77093GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 114% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 102% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 96% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 105% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 105% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 100% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 97% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 101% Analysis Date = 11/15/00 Pct Recovery = 113% Analysis Date = 11/13/00 Pct Recovery = 113% Analysis Date = 11/13/00 Pct Recovery = 113% Analysis Date = 11/12/00 Pct Recovery = 112% Analysis Date = 11/12/00 Pct Recovery = 112% Analysis Date = 11/11/00 Pct Recovery = 112% Analysis Date = 11/11/00 Pct Recovery = 112% Analysis Date = 11/10/00 Pct Recovery = 112% Analysis Date = 11/10/00 Pct Recovery = 112% Analysis Date = 11/08/00 Pct Recovery = 111% Analysis Date = 11/08/00 Pct Recovery = 111% Analysis Date = 11/07/00 Pct Recovery = 111% Analysis Date = 11/07/00 Pct Recovery = 111% Analysis Date = 11/06/00 Pct Recovery = 111% Analysis Date = 11/06/00 Pct Recovery = 111% Analysis Date = 11/04/00 Pct Recovery = 111% Analysis Date = 11/04/00 Pct Recovery = 111% Analysis Date = 11/03/00 Pct Recovery = 110% Analysis Date = 11/03/00 Pct Recovery = 110% Analysis Date = 11/02/00 Pct Recovery = 110% Analysis Date = 11/02/00 Pct Recovery = 110% Analysis Date = 10/31/00 Pct Recovery = 110% Analysis Date = 10/31/00 Pct Recovery = 110% Analysis Date = 10/30/00 Pct Recovery = 109% Analysis Date = 10/30/00 Pct Recovery = 109% Analysis Date = 10/29/00 Pct Recovery = 109% Analysis Date = 10/29/00 Pct Recovery = 109% Analysis Date = 10/27/00 Pct Recovery = 109% Analysis Date = 10/27/00 Pct Recovery = 109% Analysis Date = 10/26/00 Pct Recovery = 109% Analysis Date = 10/26/00 Pct Recovery = 109% Analysis Date = 10/25/00 Pct Recovery = 108% Analysis Date = 10/25/00 Pct Recovery = 108% Analysis Date = 10/23/00 Pct Recovery = 108% Analysis Date = 10/23/00 Pct Recovery = 108% Analysis Date = 10/22/00 Pct Recovery = 108% Analysis Date = 10/22/00 Pct Recovery = 108% Analysis Date = 10/21/00 Pct Recovery = 107% Analysis Date = 10/21/00 Pct Recovery = 107% Analysis Date = 10/19/00 Pct Recovery = 107% Analysis Date = 10/19/00 Pct Recovery = 107% Analysis Date = 10/18/00 Pct Recovery = 107% Analysis Date = 10/18/00 Pct Recovery = 107% Analysis Date = 10/17/00 Pct Recovery = 106% Analysis Date = 10/17/00 Pct Recovery = 106% Analysis Date = 10/15/00 Pct Recovery = 106% Analysis Date = 10/15/00 Pct Recovery = 106% Analysis Date = 10/14/00 Pct Recovery = 106% Analysis Date = 10/14/00 Pct Recovery = 106% Analysis Date = 10/13/00 Pct Recovery = 106% Analysis Date = 10/13/00 Pct Recovery = 106% Analysis Date = 10/11/00 Pct Recovery = 105% Analysis Date = 10/11/00 Pct Recovery = 105% Analysis Date = 10/10/00 Pct Recovery = 105% Analysis Date = 10/10/00 Pct Recovery = 105% Analysis Date = 10/09/00 Pct Recovery = 105% Analysis Date = 10/09/00 Pct Recovery = 105% Analysis Date = 10/07/00 Pct Recovery = 104% Analysis Date = 10/07/00 Pct Recovery = 104% Analysis Date = 10/06/00 Pct Recovery = 104% Analysis Date = 10/06/00 Pct Recovery = 104% Analysis Date = 10/05/00 Pct Recovery = 104% Analysis Date = 10/05/00 Pct Recovery = 104% Analysis Date = 10/03/00 Pct Recovery = 104% Analysis Date = 10/03/00 Pct Recovery = 104% Analysis Date = 10/02/00 Pct Recovery = 103% Analysis Date = 10/02/00 Pct Recovery = 103% Analysis Date = 10/01/00 Pct Recovery = 103% Analysis Date = 10/01/00 Pct Recovery = 103% Analysis Date = 09/29/00 Pct Recovery = 103% Analysis Date = 09/29/00 Pct Recovery = 103% Analysis Date = 09/28/00 Pct Recovery = 103% Analysis Date = 09/28/00 Pct Recovery = 103% Analysis Date = 09/27/00 Pct Recovery = 103% Analysis Date = 09/27/00 Pct Recovery = 103% Analysis Date = 09/25/00 Pct Recovery = 103% Analysis Date = 09/25/00 Pct Recovery = 103% Analysis Date = 09/24/00 Pct Recovery = 103% Analysis Date = 09/24/00 Pct Recovery = 103% Analysis Date = 09/23/00 Pct Recovery = 103% Analysis Date = 09/23/00 Pct Recovery = 103% Analysis Date = 09/21/00 Pct Recovery = 103% Analysis Date = 09/21/00 Pct Recovery = 103% Analysis Date = 09/20/00 Pct Recovery = 103% Analysis Date = 09/20/00 Pct Recovery = 103% Analysis Date = 09/19/00 Pct Recovery = 103% Analysis Date = 09/19/00 Pct Recovery = 103% Analysis Date = 09/17/00 Pct Recovery = 102% Analysis Date = 09/17/00 Pct Recovery = 102% Analysis Date = 09/16/00 Pct Recovery = 102% Analysis Date = 09/16/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/12/00 Pct Recovery = 102% Analysis Date = 09/12/00 Pct Recovery = 102% Analysis Date = 09/11/00 Pct Recovery = 102% Analysis Date = 09/11/00 Pct Recovery = 102% Analysis Date = 09/09/00 Pct Recovery = 102% Analysis Date = 09/09/00 Pct Recovery = 102% Analysis Date = 09/08/00 Pct Recovery = 102% Analysis Date = 09/08/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/05/00 Pct Recovery = 102% Analysis Date = 09/05/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/03/00 Pct Recovery = 101% Analysis Date = 09/03/00 Pct Recovery = 101% Analysis Date = 09/01/00 Pct Recovery = 101% Analysis Date = 09/01/00 Pct Recovery = 101% Analysis Date = 08/31/00 Pct Recovery = 101% Analysis Date = 08/31/00 Pct Recovery = 101% Analysis Date = 08/30/00 Pct Recovery = 101% Analysis Date = 08/30/00 Pct Recovery = 101% Analysis Date = 08/28/00 Pct Recovery = 101% Analysis Date = 08/28/00 Pct Recovery = 101% Analysis Date = 08/27/00 Pct Recovery = 101% Analysis Date = 08/27/00 Pct Recovery = 101% Analysis Date = 08/26/00 Pct Recovery = 101% Analysis Date = 08/26/00 Pct Recovery = 101% Analysis Date = 08/24/00 Pct Recovery = 101% Analysis Date = 08/24/00 Pct Recovery = 101% Analysis Date = 08/23/00 Pct Recovery = 101% Analysis Date = 08/23/00 Pct Recovery = 101% Analysis Date = 08/22/00 Pct Recovery = 101% Analysis Date = 08/22/00 Pct Recovery = 101% Analysis Date = 08/20/00 Pct Recovery = 101% Analysis Date = 08/20/00 Pct Recovery = 101% Analysis Date = 08/19/00 Pct Recovery = 100% Analysis Date = 08/19/00 Pct Recovery = 100% Analysis Date = 08/18/00 Pct Recovery = 100% Analysis Date = 08/18/00 Pct Recovery = 100% Analysis Date = 08/17/00 Pct Recovery = 100% Analysis Date = 08/17/00 Pct Recovery = 100% Analysis Date = 08/15/00 Pct Recovery = 100% Analysis Date = 08/15/00 Pct Recovery = 100% Analysis Date = 08/14/00 Pct Recovery = 100% Analysis Date = 08/14/00 Pct Recovery = 100% Analysis Date = 08/13/00 Pct Recovery = 100% Analysis Date = 08/13/00 Pct Recovery = 100% Analysis Date = 08/11/00 Pct Recovery = 100% Analysis Date = 08/11/00 Pct Recovery = 100% Analysis Date = 08/10/00 Pct Recovery = 100% Analysis Date = 08/10/00 Pct Recovery = 100% Analysis Date = 08/09/00 Pct Recovery = 100% Analysis Date = 08/09/00 Pct Recovery = 100% Analysis Date = 08/07/00 Pct Recovery = 100% Analysis Date = 08/07/00 Pct Recovery = 100% Analysis Date = 08/06/00 Pct Recovery = 100% Analysis Date = 08/06/00 Pct Recovery = 100% Analysis Date = 08/05/00 Pct Recovery = 99% Analysis Date = 08/05/00 Pct Recovery = 99% Analysis Date = 08/03/00 Pct Recovery = 99% Analysis Date = 08/03/00 Pct Recovery = 99% Analysis Date = 08/02/00 Pct Recovery = 99% Analysis Date = 08/02/00 Pct Recovery = 99% Analysis Date = 08/01/00 Pct Recovery = 99% Analysis Date = 08/01/00 Pct Recovery = 99% Analysis Date = 07/30/00 Pct Recovery = 99% Analysis Date = 07/30/00 Pct Recovery = 99% Analysis Date = 07/29/00 Pct Recovery = 99% Analysis Date = 07/29/00 Pct Recovery = 99% Analysis Date = 07/28/00 Pct Recovery = 99% Analysis Date = 07/28/00 Pct Recovery = 99% Analysis Date = 07/26/00 Pct Recovery = 99% Analysis Date = 07/26/00 Pct Recovery = 99% Analysis Date = 07/25/00 Pct Recovery = 99% Analysis Date = 07/25/00 Pct Recovery = 99% Analysis Date = 07/24/00 Pct Recovery = 99% Analysis Date = 07/24/00 Pct Recovery = 99% Analysis Date = 07/22/00 Pct Recovery = 99% Analysis Date = 07/22/00 Pct Recovery = 99% Analysis Date = 07/21/00 Pct Recovery = 99% Analysis Date = 07/21/00 Pct Recovery = 99% Analysis Date = 07/20/00 Pct Recovery = 99% Analysis Date = 07/20/00 Pct Recovery = 99% Analysis Date = 07/18/00 Pct Recovery = 99% Analysis Date = 07/18/00 Pct Recovery = 99% Analysis Date = 07/17/00 Pct Recovery = 98% Analysis Date = 07/17/00 Pct Recovery = 98% Analysis Date = 07/16/00 Pct Recovery = 98% Analysis Date = 07/16/00 Pct Recovery = 98% Analysis Date = 07/14/00 Pct Recovery = 98% Analysis Date = 07/14/00 Pct Recovery = 98% Analysis Date = 07/13/00 Pct Recovery = 98% Analysis Date = 07/13/00 Pct Recovery = 98% Analysis Date = 07/12/00 Pct Recovery = 98% Analysis Date = 07/12/00 Pct Recovery = 98% Analysis Date = 07/10/00 Pct Recovery = 98% Analysis Date = 07/10/00 Pct Recovery = 98% Analysis Date = 07/09/00 Pct Recovery = 98% Analysis Date = 07/09/00 Pct Recovery = 98% Analysis Date = 07/08/00 Pct Recovery = 98% Analysis Date = 07/08/00 Pct Recovery = 98% Analysis Date = 07/06/00 Pct Recovery = 98% Analysis Date = 07/06/00 Pct Recovery = 98% Analysis Date = 07/05/00 Pct Recovery = 98% Analysis Date = 07/05/00 Pct Recovery = 98% Analysis Date = 07/04/00 Pct Recovery = 98% Analysis Date = 07/04/00 Pct Recovery = 98% Analysis Date = 07/02/00 Pct Recovery = 98% Analysis Date = 07/02/00 Pct Recovery = 98% Analysis Date = 07/01/00 Pct Recovery = 98% Analysis Date = 07/01/00 Pct Recovery = 98% Analysis Date = 06/30/00 Pct Recovery = 98% Analysis Date = 06/30/00 Pct Recovery = 98% Analysis Date = 06/28/00 Pct Recovery = 98% Analysis Date = 06/28/00 Pct Recovery = 98% Analysis Date = 06/27/00 Pct Recovery = 98% Analysis Date = 06/27/00 Pct Recovery = 98% Analysis Date = 06/26/00 Pct Recovery = 98% Analysis Date = 06/26/00 Pct Recovery = 98% Analysis Date = 06/24/00 Pct Recovery = 98% Analysis Date = 06/24/00 Pct Recovery = 98% Analysis Date = 06/23/00 Pct Recovery = 98% Analysis Date = 06/23/00 Pct Recovery = 98% Analysis Date = 06/22/00 Pct Recovery = 98% Analysis Date = 06/22/00 Pct Recovery = 98% Analysis Date = 06/20/00 Pct Recovery = 98% Analysis Date = 06/20/00 Pct Recovery = 98% Analysis Date = 06/19/00 Pct Recovery = 97% Analysis Date = 06/19/00 Pct Recovery = 97% Analysis Date = 06/18/00 Pct Recovery = 97% Analysis Date = 06/18/00 Pct Recovery = 97% Analysis Date = 06/16/00 Pct Recovery = 97% Analysis Date = 06/16/00 Pct Recovery = 97% Analysis Date = 06/15/00 Pct Recovery = 97% Analysis Date = 06/15/00 Pct Recovery = 97% Analysis Date = 06/14/00 Pct Recovery = 97% Analysis Date = 06/14/00 Pct Recovery = 97% Analysis Date = 06/12/00 Pct Recovery = 98% Analysis Date = 06/12/00 Pct Recovery = 98% Analysis Date = 06/11/00 Pct Recovery = 98% Analysis Date = 06/11/00 Pct Recovery = 98% Analysis Date = 06/10/00 Pct Recovery = 98% Analysis Date = 06/10/00 Pct Recovery = 98% Analysis Date = 06/08/00 Pct Recovery = 98% Analysis Date = 06/08/00 Pct Recovery = 98% Analysis Date = 06/07/00 Pct Recovery = 98% Analysis Date = 06/07/00 Pct Recovery = 98% Analysis Date = 06/06/00 Pct Recovery = 98% Analysis Date = 06/06/00 Pct Recovery = 98% Analysis Date = 06/04/00 Pct Recovery = 98% Analysis Date = 06/04/00 Pct Recovery = 98% Analysis Date = 06/03/00 Pct Recovery = 99% Analysis Date = 06/03/00 Pct Recovery = 99% Analysis Date = 06/02/00 Pct Recovery = 99% Analysis Date = 06/02/00 Pct Recovery = 99% Analysis Date = 05/31/00 Pct Recovery = 99% Analysis Date = 05/31/00 Pct Recovery = 99% Analysis Date = 05/30/00 Pct Recovery = 99% Analysis Date = 05/30/00 Pct Recovery = 99% Analysis Date = 05/29/00 Pct Recovery = 99% Analysis Date = 05/29/00 Pct Recovery = 99% Analysis Date = 05/27/00 Pct Recovery = 99% Analysis Date = 05/27/00 Pct Recovery = 99% Analysis Date = 05/26/00 Pct Recovery = 99% Analysis Date = 05/26/00 Pct Recovery = 99% Analysis Date = 05/25/00 Pct Recovery = 100% Analysis Date = 05/25/00 Pct Recovery = 100% Analysis Date = 05/24/00 Pct Recovery = 100% Analysis Date = 05/24/00 Pct Recovery = 100% Analysis Date = 05/22/00 Pct Recovery = 100% Analysis Date = 05/22/00 Pct Recovery = 100% Analysis Date = 05/21/00 Pct Recovery = 100% Analysis Date = 05/21/00 Pct Recovery = 100% Analysis Date = 05/20/00 Pct Recovery = 100% Analysis Date = 05/20/00 Pct Recovery = 100% Analysis Date = 05/18/00 Pct Recovery = 100% Analysis Date = 05/18/00 Pct Recovery = 100% Analysis Date = 05/17/00 Pct Recovery = 100% Analysis Date = 05/17/00 Pct Recovery = 100% Analysis Date = 05/16/00 Pct Recovery = 101% Analysis Date = 05/16/00 Pct Recovery = 101% Analysis Date = 05/14/00 Pct Recovery = 101% Analysis Date = 05/14/00 Pct Recovery = 101% Analysis Date = 05/13/00 Pct Recovery = 101% Analysis Date = 05/13/00 Pct Recovery = 101% Analysis Date = 05/12/00 Pct Recovery = 101% Analysis Date = 05/12/00 Pct Recovery = 101% Analysis Date = 05/10/00 Pct Recovery = 101% Analysis Date = 05/10/00 Pct Recovery = 101% Analysis Date = 05/09/00 Pct Recovery = 101% Analysis Date = 05/09/00 Pct Recovery = 101% Analysis Date = 05/08/00 Pct Recovery = 101% Analysis Date = 05/08/00 Pct Recovery = 101% Analysis Date = 05/06/00 Pct Recovery = 102% Analysis Date = 05/06/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/04/00 Pct Recovery = 102% Analysis Date = 05/04/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 05/01/00 Pct Recovery = 102% Analysis Date = 05/01/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/28/00 Pct Recovery = 102% Analysis Date = 04/28/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 103% Analysis Date = 04/27/00 Pct Recovery = 103% Analysis Date = 04/26/00 Pct Recovery = 103% Analysis Date = 04/26/00 Pct Recovery = 103% Analysis Date = 04/24/00 Pct Recovery = 103% Analysis Date = 04/24/00 Pct Recovery = 103% Analysis Date = 04/23/00 Pct Recovery = 103% Analysis Date = 04/23/00 Pct Recovery = 103% Analysis Date = 04/22/00 Pct Recovery = 103% Analysis Date = 04/22/00 Pct Recovery = 103% Analysis Date = 04/20/00 Pct Recovery = 103% Analysis Date = 04/20/00 Pct Recovery = 103% Analysis Date = 04/19/00 Pct Recovery = 103% Analysis Date = 04/19/00 Pct Recovery = 103% Analysis Date = 04/18/00 Pct Recovery = 103% Analysis Date = 04/18/00 Pct Recovery = 103% Analysis Date = 04/16/00 Pct Recovery = 103% Analysis Date = 04/16/00 Pct Recovery = 103% Analysis Date = 04/15/00 Pct Recovery = 103% Analysis Date = 04/15/00 Pct Recovery = 103% Analysis Date = 04/14/00 Pct Recovery = 103% Analysis Date = 04/14/00 Pct Recovery = 103% Analysis Date = 04/12/00 Pct Recovery = 103% Analysis Date = 04/12/00 Pct Recovery = 103% Analysis Date = 04/11/00 Pct Recovery = 103% Analysis Date = 04/11/00 Pct Recovery = 103% Analysis Date = 04/10/00 Pct Recovery = 103% Analysis Date = 04/10/00 Pct Recovery = 103% Analysis Date = 04/08/00 Pct Recovery = 103% Analysis Date = 04/08/00 Pct Recovery = 103% Analysis Date = 04/07/00 Pct Recovery = 103% Analysis Date = 04/07/00 Pct Recovery = 103% Analysis Date = 04/06/00 Pct Recovery = 103% Analysis Date = 04/06/00 Pct Recovery = 103% Analysis Date = 04/04/00 Pct Recovery = 103% Analysis Date = 04/04/00 Pct Recovery = 103% Analysis Date = 04/03/00 Pct Recovery = 103% Analysis Date = 04/03/00 Pct Recovery = 103% Analysis Date = 04/02/00 Pct Recovery = 103% Analysis Date = 04/02/00 Pct Recovery = 103% Analysis Date = 03/31/00 Pct Recovery = 103% Analysis Date = 03/31/00 Pct Recovery = 103% Analysis Date = 03/30/00 Pct Recovery = 103% Analysis Date = 03/30/00 Pct Recovery = 103% Analysis Date = 03/29/00 Pct Recovery = 103% Analysis Date = 03/29/00 Pct Recovery = 103% Analysis Date = 03/27/00 Pct Recovery = 103% Analysis Date = 03/27/00 Pct Recovery = 103% Analysis Date = 03/26/00 Pct Recovery = 103% Analysis Date = 03/26/00 Pct Recovery = 103% Analysis Date = 03/25/00 Pct Recovery = 103% Analysis Date = 03/25/00 Pct Recovery = 103% Analysis Date = 03/23/00 Pct Recovery = 103% Analysis Date = 03/23/00 Pct Recovery = 103% Analysis Date = 03/22/00 Pct Recovery = 103% Analysis Date = 03/22/00 Pct Recovery = 103% Analysis Date = 03/21/00 Pct Recovery = 103% Analysis Date = 03/21/00 Pct Recovery = 103% Analysis Date = 03/19/00 Pct Recovery = 103% Analysis Date = 03/19/00 Pct Recovery = 103% Analysis Date = 03/18/00 Pct Recovery = 103% Analysis Date = 03/18/00 Pct Recovery = 103% Analysis Date = 03/17/00 Pct Recovery = 103% Analysis Date = 03/17/00 Pct Recovery = 103% Analysis Date = 03/15/00 Pct Recovery = 103% Analysis Date = 03/15/00 Pct Recovery = 103% Analysis Date = 03/14/00 Pct Recovery = 103% Analysis Date = 03/14/00 Pct Recovery = 103% Analysis Date = 03/13/00 Pct Recovery = 103% Analysis Date = 03/13/00 Pct Recovery = 103% Analysis Date = 03/11/00 Pct Recovery = 103% Analysis Date = 03/11/00 Pct Recovery = 103% Analysis Date = 03/10/00 Pct Recovery = 103% Analysis Date = 03/10/00 Pct Recovery = 103% Analysis Date = 03/09/00 Pct Recovery = 103% Analysis Date = 03/09/00 Pct Recovery = 103% Analysis Date = 03/07/00 Pct Recovery = 103% Analysis Date = 03/07/00 Pct Recovery = 103% Analysis Date = 03/06/00 Pct Recovery = 103% Analysis Date = 03/06/00 Pct Recovery = 103% Analysis Date = 03/05/00 Pct Recovery = 103% Analysis Date = 03/05/00 Pct Recovery = 103% Analysis Date = 03/03/00 Pct Recovery = 103% Analysis Date = 03/03/00 Pct Recovery = 103% Analysis Date = 03/02/00 Pct Recovery = 103% Analysis Date = 03/02/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 02/28/00 Pct Recovery = 104% Analysis Date = 02/28/00 Pct Recovery = 104% Analysis Date = 02/27/00 Pct Recovery = 104% Analysis Date = 02/27/00 Pct Recovery = 104% Analysis Date = 02/26/00 Pct Recovery = 104% Analysis Date = 02/26/00 Pct Recovery = 104% Analysis Date = 02/25/00 Pct Recovery = 104% Analysis Date = 02/25/00 Pct Recovery = 104% Analysis Date = 02/23/00 Pct Recovery = 104% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
CIS-1,2-DICHLOROETHYLENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 8 102% 6% 102% 5%
Total 8 102% 6% 102% 5%

Sample Statistics
CIS-1,2-DICHLOROETHYLENE

Characteristic N % % Basis
Plotted 8 62% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 5 38% Spiked
Spiked 13 .  
False Negatives 0 0% 0 out of 13
Not Spiked 23 .  
False Positives 0 0% 0 out of 23

BQS OBSP Determination:
CIS-1,3-DICHLOROPROPENE
METHOD: 4054 , TESTIDCODE: 34704GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 116% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 96% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 81% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 102% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 99% Analysis Date = 11/15/00 Pct Recovery = 116% Analysis Date = 11/13/00 Pct Recovery = 115% Analysis Date = 11/13/00 Pct Recovery = 115% Analysis Date = 11/12/00 Pct Recovery = 115% Analysis Date = 11/12/00 Pct Recovery = 115% Analysis Date = 11/11/00 Pct Recovery = 115% Analysis Date = 11/11/00 Pct Recovery = 115% Analysis Date = 11/10/00 Pct Recovery = 114% Analysis Date = 11/10/00 Pct Recovery = 114% Analysis Date = 11/08/00 Pct Recovery = 114% Analysis Date = 11/08/00 Pct Recovery = 114% Analysis Date = 11/07/00 Pct Recovery = 114% Analysis Date = 11/07/00 Pct Recovery = 114% Analysis Date = 11/06/00 Pct Recovery = 114% Analysis Date = 11/06/00 Pct Recovery = 114% Analysis Date = 11/04/00 Pct Recovery = 113% Analysis Date = 11/04/00 Pct Recovery = 113% Analysis Date = 11/03/00 Pct Recovery = 113% Analysis Date = 11/03/00 Pct Recovery = 113% Analysis Date = 11/02/00 Pct Recovery = 113% Analysis Date = 11/02/00 Pct Recovery = 113% Analysis Date = 10/31/00 Pct Recovery = 112% Analysis Date = 10/31/00 Pct Recovery = 112% Analysis Date = 10/30/00 Pct Recovery = 112% Analysis Date = 10/30/00 Pct Recovery = 112% Analysis Date = 10/29/00 Pct Recovery = 112% Analysis Date = 10/29/00 Pct Recovery = 112% Analysis Date = 10/27/00 Pct Recovery = 112% Analysis Date = 10/27/00 Pct Recovery = 112% Analysis Date = 10/26/00 Pct Recovery = 111% Analysis Date = 10/26/00 Pct Recovery = 111% Analysis Date = 10/25/00 Pct Recovery = 111% Analysis Date = 10/25/00 Pct Recovery = 111% Analysis Date = 10/23/00 Pct Recovery = 111% Analysis Date = 10/23/00 Pct Recovery = 111% Analysis Date = 10/22/00 Pct Recovery = 110% Analysis Date = 10/22/00 Pct Recovery = 110% Analysis Date = 10/21/00 Pct Recovery = 110% Analysis Date = 10/21/00 Pct Recovery = 110% Analysis Date = 10/19/00 Pct Recovery = 110% Analysis Date = 10/19/00 Pct Recovery = 110% Analysis Date = 10/18/00 Pct Recovery = 110% Analysis Date = 10/18/00 Pct Recovery = 110% Analysis Date = 10/17/00 Pct Recovery = 109% Analysis Date = 10/17/00 Pct Recovery = 109% Analysis Date = 10/15/00 Pct Recovery = 109% Analysis Date = 10/15/00 Pct Recovery = 109% Analysis Date = 10/14/00 Pct Recovery = 109% Analysis Date = 10/14/00 Pct Recovery = 109% Analysis Date = 10/13/00 Pct Recovery = 108% Analysis Date = 10/13/00 Pct Recovery = 108% Analysis Date = 10/11/00 Pct Recovery = 108% Analysis Date = 10/11/00 Pct Recovery = 108% Analysis Date = 10/10/00 Pct Recovery = 108% Analysis Date = 10/10/00 Pct Recovery = 108% Analysis Date = 10/09/00 Pct Recovery = 108% Analysis Date = 10/09/00 Pct Recovery = 108% Analysis Date = 10/07/00 Pct Recovery = 107% Analysis Date = 10/07/00 Pct Recovery = 107% Analysis Date = 10/06/00 Pct Recovery = 107% Analysis Date = 10/06/00 Pct Recovery = 107% Analysis Date = 10/05/00 Pct Recovery = 107% Analysis Date = 10/05/00 Pct Recovery = 107% Analysis Date = 10/03/00 Pct Recovery = 106% Analysis Date = 10/03/00 Pct Recovery = 106% Analysis Date = 10/02/00 Pct Recovery = 106% Analysis Date = 10/02/00 Pct Recovery = 106% Analysis Date = 10/01/00 Pct Recovery = 106% Analysis Date = 10/01/00 Pct Recovery = 106% Analysis Date = 09/29/00 Pct Recovery = 106% Analysis Date = 09/29/00 Pct Recovery = 106% Analysis Date = 09/28/00 Pct Recovery = 105% Analysis Date = 09/28/00 Pct Recovery = 105% Analysis Date = 09/27/00 Pct Recovery = 105% Analysis Date = 09/27/00 Pct Recovery = 105% Analysis Date = 09/25/00 Pct Recovery = 105% Analysis Date = 09/25/00 Pct Recovery = 105% Analysis Date = 09/24/00 Pct Recovery = 104% Analysis Date = 09/24/00 Pct Recovery = 104% Analysis Date = 09/23/00 Pct Recovery = 104% Analysis Date = 09/23/00 Pct Recovery = 104% Analysis Date = 09/21/00 Pct Recovery = 104% Analysis Date = 09/21/00 Pct Recovery = 104% Analysis Date = 09/20/00 Pct Recovery = 104% Analysis Date = 09/20/00 Pct Recovery = 104% Analysis Date = 09/19/00 Pct Recovery = 103% Analysis Date = 09/19/00 Pct Recovery = 103% Analysis Date = 09/17/00 Pct Recovery = 103% Analysis Date = 09/17/00 Pct Recovery = 103% Analysis Date = 09/16/00 Pct Recovery = 103% Analysis Date = 09/16/00 Pct Recovery = 103% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/12/00 Pct Recovery = 102% Analysis Date = 09/12/00 Pct Recovery = 102% Analysis Date = 09/11/00 Pct Recovery = 102% Analysis Date = 09/11/00 Pct Recovery = 102% Analysis Date = 09/09/00 Pct Recovery = 101% Analysis Date = 09/09/00 Pct Recovery = 101% Analysis Date = 09/08/00 Pct Recovery = 101% Analysis Date = 09/08/00 Pct Recovery = 101% Analysis Date = 09/07/00 Pct Recovery = 101% Analysis Date = 09/07/00 Pct Recovery = 101% Analysis Date = 09/05/00 Pct Recovery = 100% Analysis Date = 09/05/00 Pct Recovery = 100% Analysis Date = 09/04/00 Pct Recovery = 100% Analysis Date = 09/04/00 Pct Recovery = 100% Analysis Date = 09/03/00 Pct Recovery = 100% Analysis Date = 09/03/00 Pct Recovery = 100% Analysis Date = 09/01/00 Pct Recovery = 100% Analysis Date = 09/01/00 Pct Recovery = 100% Analysis Date = 08/31/00 Pct Recovery = 99% Analysis Date = 08/31/00 Pct Recovery = 99% Analysis Date = 08/30/00 Pct Recovery = 99% Analysis Date = 08/30/00 Pct Recovery = 99% Analysis Date = 08/28/00 Pct Recovery = 99% Analysis Date = 08/28/00 Pct Recovery = 99% Analysis Date = 08/27/00 Pct Recovery = 99% Analysis Date = 08/27/00 Pct Recovery = 99% Analysis Date = 08/26/00 Pct Recovery = 98% Analysis Date = 08/26/00 Pct Recovery = 98% Analysis Date = 08/24/00 Pct Recovery = 98% Analysis Date = 08/24/00 Pct Recovery = 98% Analysis Date = 08/23/00 Pct Recovery = 98% Analysis Date = 08/23/00 Pct Recovery = 98% Analysis Date = 08/22/00 Pct Recovery = 97% Analysis Date = 08/22/00 Pct Recovery = 97% Analysis Date = 08/20/00 Pct Recovery = 97% Analysis Date = 08/20/00 Pct Recovery = 97% Analysis Date = 08/19/00 Pct Recovery = 97% Analysis Date = 08/19/00 Pct Recovery = 97% Analysis Date = 08/18/00 Pct Recovery = 97% Analysis Date = 08/18/00 Pct Recovery = 97% Analysis Date = 08/17/00 Pct Recovery = 96% Analysis Date = 08/17/00 Pct Recovery = 96% Analysis Date = 08/15/00 Pct Recovery = 96% Analysis Date = 08/15/00 Pct Recovery = 96% Analysis Date = 08/14/00 Pct Recovery = 96% Analysis Date = 08/14/00 Pct Recovery = 96% Analysis Date = 08/13/00 Pct Recovery = 95% Analysis Date = 08/13/00 Pct Recovery = 95% Analysis Date = 08/11/00 Pct Recovery = 95% Analysis Date = 08/11/00 Pct Recovery = 95% Analysis Date = 08/10/00 Pct Recovery = 95% Analysis Date = 08/10/00 Pct Recovery = 95% Analysis Date = 08/09/00 Pct Recovery = 94% Analysis Date = 08/09/00 Pct Recovery = 94% Analysis Date = 08/07/00 Pct Recovery = 94% Analysis Date = 08/07/00 Pct Recovery = 94% Analysis Date = 08/06/00 Pct Recovery = 94% Analysis Date = 08/06/00 Pct Recovery = 94% Analysis Date = 08/05/00 Pct Recovery = 93% Analysis Date = 08/05/00 Pct Recovery = 93% Analysis Date = 08/03/00 Pct Recovery = 93% Analysis Date = 08/03/00 Pct Recovery = 93% Analysis Date = 08/02/00 Pct Recovery = 93% Analysis Date = 08/02/00 Pct Recovery = 93% Analysis Date = 08/01/00 Pct Recovery = 92% Analysis Date = 08/01/00 Pct Recovery = 92% Analysis Date = 07/30/00 Pct Recovery = 92% Analysis Date = 07/30/00 Pct Recovery = 92% Analysis Date = 07/29/00 Pct Recovery = 92% Analysis Date = 07/29/00 Pct Recovery = 92% Analysis Date = 07/28/00 Pct Recovery = 91% Analysis Date = 07/28/00 Pct Recovery = 91% Analysis Date = 07/26/00 Pct Recovery = 91% Analysis Date = 07/26/00 Pct Recovery = 91% Analysis Date = 07/25/00 Pct Recovery = 91% Analysis Date = 07/25/00 Pct Recovery = 91% Analysis Date = 07/24/00 Pct Recovery = 91% Analysis Date = 07/24/00 Pct Recovery = 91% Analysis Date = 07/22/00 Pct Recovery = 90% Analysis Date = 07/22/00 Pct Recovery = 90% Analysis Date = 07/21/00 Pct Recovery = 90% Analysis Date = 07/21/00 Pct Recovery = 90% Analysis Date = 07/20/00 Pct Recovery = 90% Analysis Date = 07/20/00 Pct Recovery = 90% Analysis Date = 07/18/00 Pct Recovery = 89% Analysis Date = 07/18/00 Pct Recovery = 89% Analysis Date = 07/17/00 Pct Recovery = 89% Analysis Date = 07/17/00 Pct Recovery = 89% Analysis Date = 07/16/00 Pct Recovery = 89% Analysis Date = 07/16/00 Pct Recovery = 89% Analysis Date = 07/14/00 Pct Recovery = 88% Analysis Date = 07/14/00 Pct Recovery = 88% Analysis Date = 07/13/00 Pct Recovery = 88% Analysis Date = 07/13/00 Pct Recovery = 88% Analysis Date = 07/12/00 Pct Recovery = 88% Analysis Date = 07/12/00 Pct Recovery = 88% Analysis Date = 07/10/00 Pct Recovery = 87% Analysis Date = 07/10/00 Pct Recovery = 87% Analysis Date = 07/09/00 Pct Recovery = 87% Analysis Date = 07/09/00 Pct Recovery = 87% Analysis Date = 07/08/00 Pct Recovery = 87% Analysis Date = 07/08/00 Pct Recovery = 87% Analysis Date = 07/06/00 Pct Recovery = 86% Analysis Date = 07/06/00 Pct Recovery = 86% Analysis Date = 07/05/00 Pct Recovery = 86% Analysis Date = 07/05/00 Pct Recovery = 86% Analysis Date = 07/04/00 Pct Recovery = 86% Analysis Date = 07/04/00 Pct Recovery = 86% Analysis Date = 07/02/00 Pct Recovery = 85% Analysis Date = 07/02/00 Pct Recovery = 85% Analysis Date = 07/01/00 Pct Recovery = 85% Analysis Date = 07/01/00 Pct Recovery = 85% Analysis Date = 06/30/00 Pct Recovery = 85% Analysis Date = 06/30/00 Pct Recovery = 85% Analysis Date = 06/28/00 Pct Recovery = 84% Analysis Date = 06/28/00 Pct Recovery = 84% Analysis Date = 06/27/00 Pct Recovery = 84% Analysis Date = 06/27/00 Pct Recovery = 84% Analysis Date = 06/26/00 Pct Recovery = 84% Analysis Date = 06/26/00 Pct Recovery = 84% Analysis Date = 06/24/00 Pct Recovery = 84% Analysis Date = 06/24/00 Pct Recovery = 84% Analysis Date = 06/23/00 Pct Recovery = 83% Analysis Date = 06/23/00 Pct Recovery = 83% Analysis Date = 06/22/00 Pct Recovery = 83% Analysis Date = 06/22/00 Pct Recovery = 83% Analysis Date = 06/20/00 Pct Recovery = 83% Analysis Date = 06/20/00 Pct Recovery = 83% Analysis Date = 06/19/00 Pct Recovery = 82% Analysis Date = 06/19/00 Pct Recovery = 82% Analysis Date = 06/18/00 Pct Recovery = 82% Analysis Date = 06/18/00 Pct Recovery = 82% Analysis Date = 06/16/00 Pct Recovery = 82% Analysis Date = 06/16/00 Pct Recovery = 82% Analysis Date = 06/15/00 Pct Recovery = 81% Analysis Date = 06/15/00 Pct Recovery = 81% Analysis Date = 06/14/00 Pct Recovery = 82% Analysis Date = 06/14/00 Pct Recovery = 82% Analysis Date = 06/12/00 Pct Recovery = 82% Analysis Date = 06/12/00 Pct Recovery = 82% Analysis Date = 06/11/00 Pct Recovery = 83% Analysis Date = 06/11/00 Pct Recovery = 83% Analysis Date = 06/10/00 Pct Recovery = 83% Analysis Date = 06/10/00 Pct Recovery = 83% Analysis Date = 06/08/00 Pct Recovery = 84% Analysis Date = 06/08/00 Pct Recovery = 84% Analysis Date = 06/07/00 Pct Recovery = 85% Analysis Date = 06/07/00 Pct Recovery = 85% Analysis Date = 06/06/00 Pct Recovery = 85% Analysis Date = 06/06/00 Pct Recovery = 85% Analysis Date = 06/04/00 Pct Recovery = 86% Analysis Date = 06/04/00 Pct Recovery = 86% Analysis Date = 06/03/00 Pct Recovery = 86% Analysis Date = 06/03/00 Pct Recovery = 86% Analysis Date = 06/02/00 Pct Recovery = 87% Analysis Date = 06/02/00 Pct Recovery = 87% Analysis Date = 05/31/00 Pct Recovery = 87% Analysis Date = 05/31/00 Pct Recovery = 87% Analysis Date = 05/30/00 Pct Recovery = 88% Analysis Date = 05/30/00 Pct Recovery = 88% Analysis Date = 05/29/00 Pct Recovery = 88% Analysis Date = 05/29/00 Pct Recovery = 88% Analysis Date = 05/27/00 Pct Recovery = 89% Analysis Date = 05/27/00 Pct Recovery = 89% Analysis Date = 05/26/00 Pct Recovery = 90% Analysis Date = 05/26/00 Pct Recovery = 90% Analysis Date = 05/25/00 Pct Recovery = 90% Analysis Date = 05/25/00 Pct Recovery = 90% Analysis Date = 05/24/00 Pct Recovery = 91% Analysis Date = 05/24/00 Pct Recovery = 91% Analysis Date = 05/22/00 Pct Recovery = 91% Analysis Date = 05/22/00 Pct Recovery = 91% Analysis Date = 05/21/00 Pct Recovery = 92% Analysis Date = 05/21/00 Pct Recovery = 92% Analysis Date = 05/20/00 Pct Recovery = 92% Analysis Date = 05/20/00 Pct Recovery = 92% Analysis Date = 05/18/00 Pct Recovery = 93% Analysis Date = 05/18/00 Pct Recovery = 93% Analysis Date = 05/17/00 Pct Recovery = 93% Analysis Date = 05/17/00 Pct Recovery = 93% Analysis Date = 05/16/00 Pct Recovery = 94% Analysis Date = 05/16/00 Pct Recovery = 94% Analysis Date = 05/14/00 Pct Recovery = 95% Analysis Date = 05/14/00 Pct Recovery = 95% Analysis Date = 05/13/00 Pct Recovery = 95% Analysis Date = 05/13/00 Pct Recovery = 95% Analysis Date = 05/12/00 Pct Recovery = 96% Analysis Date = 05/12/00 Pct Recovery = 96% Analysis Date = 05/10/00 Pct Recovery = 96% Analysis Date = 05/10/00 Pct Recovery = 96% Analysis Date = 05/09/00 Pct Recovery = 97% Analysis Date = 05/09/00 Pct Recovery = 97% Analysis Date = 05/08/00 Pct Recovery = 97% Analysis Date = 05/08/00 Pct Recovery = 97% Analysis Date = 05/06/00 Pct Recovery = 98% Analysis Date = 05/06/00 Pct Recovery = 98% Analysis Date = 05/05/00 Pct Recovery = 99% Analysis Date = 05/05/00 Pct Recovery = 99% Analysis Date = 05/04/00 Pct Recovery = 99% Analysis Date = 05/04/00 Pct Recovery = 99% Analysis Date = 05/02/00 Pct Recovery = 100% Analysis Date = 05/02/00 Pct Recovery = 100% Analysis Date = 05/01/00 Pct Recovery = 100% Analysis Date = 05/01/00 Pct Recovery = 100% Analysis Date = 04/30/00 Pct Recovery = 101% Analysis Date = 04/30/00 Pct Recovery = 101% Analysis Date = 04/28/00 Pct Recovery = 101% Analysis Date = 04/28/00 Pct Recovery = 101% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/26/00 Pct Recovery = 102% Analysis Date = 04/26/00 Pct Recovery = 102% Analysis Date = 04/24/00 Pct Recovery = 102% Analysis Date = 04/24/00 Pct Recovery = 102% Analysis Date = 04/23/00 Pct Recovery = 102% Analysis Date = 04/23/00 Pct Recovery = 102% Analysis Date = 04/22/00 Pct Recovery = 102% Analysis Date = 04/22/00 Pct Recovery = 102% Analysis Date = 04/20/00 Pct Recovery = 102% Analysis Date = 04/20/00 Pct Recovery = 102% Analysis Date = 04/19/00 Pct Recovery = 101% Analysis Date = 04/19/00 Pct Recovery = 101% Analysis Date = 04/18/00 Pct Recovery = 101% Analysis Date = 04/18/00 Pct Recovery = 101% Analysis Date = 04/16/00 Pct Recovery = 101% Analysis Date = 04/16/00 Pct Recovery = 101% Analysis Date = 04/15/00 Pct Recovery = 101% Analysis Date = 04/15/00 Pct Recovery = 101% Analysis Date = 04/14/00 Pct Recovery = 101% Analysis Date = 04/14/00 Pct Recovery = 101% Analysis Date = 04/12/00 Pct Recovery = 101% Analysis Date = 04/12/00 Pct Recovery = 101% Analysis Date = 04/11/00 Pct Recovery = 101% Analysis Date = 04/11/00 Pct Recovery = 101% Analysis Date = 04/10/00 Pct Recovery = 101% Analysis Date = 04/10/00 Pct Recovery = 101% Analysis Date = 04/08/00 Pct Recovery = 101% Analysis Date = 04/08/00 Pct Recovery = 101% Analysis Date = 04/07/00 Pct Recovery = 101% Analysis Date = 04/07/00 Pct Recovery = 101% Analysis Date = 04/06/00 Pct Recovery = 101% Analysis Date = 04/06/00 Pct Recovery = 101% Analysis Date = 04/04/00 Pct Recovery = 101% Analysis Date = 04/04/00 Pct Recovery = 101% Analysis Date = 04/03/00 Pct Recovery = 101% Analysis Date = 04/03/00 Pct Recovery = 101% Analysis Date = 04/02/00 Pct Recovery = 101% Analysis Date = 04/02/00 Pct Recovery = 101% Analysis Date = 03/31/00 Pct Recovery = 101% Analysis Date = 03/31/00 Pct Recovery = 101% Analysis Date = 03/30/00 Pct Recovery = 101% Analysis Date = 03/30/00 Pct Recovery = 101% Analysis Date = 03/29/00 Pct Recovery = 100% Analysis Date = 03/29/00 Pct Recovery = 100% Analysis Date = 03/27/00 Pct Recovery = 100% Analysis Date = 03/27/00 Pct Recovery = 100% Analysis Date = 03/26/00 Pct Recovery = 100% Analysis Date = 03/26/00 Pct Recovery = 100% Analysis Date = 03/25/00 Pct Recovery = 100% Analysis Date = 03/25/00 Pct Recovery = 100% Analysis Date = 03/23/00 Pct Recovery = 100% Analysis Date = 03/23/00 Pct Recovery = 100% Analysis Date = 03/22/00 Pct Recovery = 100% Analysis Date = 03/22/00 Pct Recovery = 100% Analysis Date = 03/21/00 Pct Recovery = 100% Analysis Date = 03/21/00 Pct Recovery = 100% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/18/00 Pct Recovery = 100% Analysis Date = 03/18/00 Pct Recovery = 100% Analysis Date = 03/17/00 Pct Recovery = 100% Analysis Date = 03/17/00 Pct Recovery = 100% Analysis Date = 03/15/00 Pct Recovery = 100% Analysis Date = 03/15/00 Pct Recovery = 100% Analysis Date = 03/14/00 Pct Recovery = 100% Analysis Date = 03/14/00 Pct Recovery = 100% Analysis Date = 03/13/00 Pct Recovery = 100% Analysis Date = 03/13/00 Pct Recovery = 100% Analysis Date = 03/11/00 Pct Recovery = 100% Analysis Date = 03/11/00 Pct Recovery = 100% Analysis Date = 03/10/00 Pct Recovery = 100% Analysis Date = 03/10/00 Pct Recovery = 100% Analysis Date = 03/09/00 Pct Recovery = 100% Analysis Date = 03/09/00 Pct Recovery = 100% Analysis Date = 03/07/00 Pct Recovery = 100% Analysis Date = 03/07/00 Pct Recovery = 100% Analysis Date = 03/06/00 Pct Recovery = 99% Analysis Date = 03/06/00 Pct Recovery = 99% Analysis Date = 03/05/00 Pct Recovery = 99% Analysis Date = 03/05/00 Pct Recovery = 99% Analysis Date = 03/03/00 Pct Recovery = 99% Analysis Date = 03/03/00 Pct Recovery = 99% Analysis Date = 03/02/00 Pct Recovery = 99% Analysis Date = 03/02/00 Pct Recovery = 99% Analysis Date = 03/01/00 Pct Recovery = 99% Analysis Date = 03/01/00 Pct Recovery = 99% Analysis Date = 02/28/00 Pct Recovery = 99% Analysis Date = 02/28/00 Pct Recovery = 99% Analysis Date = 02/27/00 Pct Recovery = 99% Analysis Date = 02/27/00 Pct Recovery = 99% Analysis Date = 02/26/00 Pct Recovery = 99% Analysis Date = 02/26/00 Pct Recovery = 99% Analysis Date = 02/25/00 Pct Recovery = 99% Analysis Date = 02/25/00 Pct Recovery = 99% Analysis Date = 02/23/00 Pct Recovery = 99% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
CIS-1,3-DICHLOROPROPENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 99% 12% 99% 4%
Total 5 99% 12% 99% 4%

Sample Statistics
CIS-1,3-DICHLOROPROPENE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
DIBROMOCHLOROMETHANE
METHOD: 4054 , TESTIDCODE: 32105GCM66
Open Data Set

Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 131% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 130% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 120% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 102% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 105% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 107% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 106% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 101% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 100% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 101% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 125% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 110% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 102% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 101% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 103% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 102% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 94% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 102% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 99% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 91% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 88% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 93% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 106% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 98% Analysis Date = 10/03/03 Pct Recovery = 108% Analysis Date = 09/27/03 Pct Recovery = 108% Analysis Date = 09/27/03 Pct Recovery = 108% Analysis Date = 09/20/03 Pct Recovery = 109% Analysis Date = 09/20/03 Pct Recovery = 109% Analysis Date = 09/13/03 Pct Recovery = 109% Analysis Date = 09/13/03 Pct Recovery = 109% Analysis Date = 09/06/03 Pct Recovery = 109% Analysis Date = 09/06/03 Pct Recovery = 109% Analysis Date = 08/30/03 Pct Recovery = 109% Analysis Date = 08/30/03 Pct Recovery = 109% Analysis Date = 08/24/03 Pct Recovery = 109% Analysis Date = 08/24/03 Pct Recovery = 109% Analysis Date = 08/17/03 Pct Recovery = 110% Analysis Date = 08/17/03 Pct Recovery = 110% Analysis Date = 08/10/03 Pct Recovery = 110% Analysis Date = 08/10/03 Pct Recovery = 110% Analysis Date = 08/03/03 Pct Recovery = 110% Analysis Date = 08/03/03 Pct Recovery = 110% Analysis Date = 07/27/03 Pct Recovery = 110% Analysis Date = 07/27/03 Pct Recovery = 110% Analysis Date = 07/21/03 Pct Recovery = 111% Analysis Date = 07/21/03 Pct Recovery = 111% Analysis Date = 07/14/03 Pct Recovery = 111% Analysis Date = 07/14/03 Pct Recovery = 111% Analysis Date = 07/07/03 Pct Recovery = 111% Analysis Date = 07/07/03 Pct Recovery = 111% Analysis Date = 06/30/03 Pct Recovery = 111% Analysis Date = 06/30/03 Pct Recovery = 111% Analysis Date = 06/23/03 Pct Recovery = 111% Analysis Date = 06/23/03 Pct Recovery = 111% Analysis Date = 06/17/03 Pct Recovery = 112% Analysis Date = 06/17/03 Pct Recovery = 112% Analysis Date = 06/10/03 Pct Recovery = 112% Analysis Date = 06/10/03 Pct Recovery = 112% Analysis Date = 06/03/03 Pct Recovery = 112% Analysis Date = 06/03/03 Pct Recovery = 112% Analysis Date = 05/27/03 Pct Recovery = 112% Analysis Date = 05/27/03 Pct Recovery = 112% Analysis Date = 05/20/03 Pct Recovery = 113% Analysis Date = 05/20/03 Pct Recovery = 113% Analysis Date = 05/14/03 Pct Recovery = 113% Analysis Date = 05/14/03 Pct Recovery = 113% Analysis Date = 05/07/03 Pct Recovery = 113% Analysis Date = 05/07/03 Pct Recovery = 113% Analysis Date = 04/30/03 Pct Recovery = 113% Analysis Date = 04/30/03 Pct Recovery = 113% Analysis Date = 04/23/03 Pct Recovery = 114% Analysis Date = 04/23/03 Pct Recovery = 114% Analysis Date = 04/16/03 Pct Recovery = 114% Analysis Date = 04/16/03 Pct Recovery = 114% Analysis Date = 04/10/03 Pct Recovery = 114% Analysis Date = 04/10/03 Pct Recovery = 114% Analysis Date = 04/03/03 Pct Recovery = 114% Analysis Date = 04/03/03 Pct Recovery = 114% Analysis Date = 03/27/03 Pct Recovery = 114% Analysis Date = 03/27/03 Pct Recovery = 114% Analysis Date = 03/20/03 Pct Recovery = 115% Analysis Date = 03/20/03 Pct Recovery = 115% Analysis Date = 03/13/03 Pct Recovery = 115% Analysis Date = 03/13/03 Pct Recovery = 115% Analysis Date = 03/06/03 Pct Recovery = 115% Analysis Date = 03/06/03 Pct Recovery = 115% Analysis Date = 02/28/03 Pct Recovery = 115% Analysis Date = 02/28/03 Pct Recovery = 115% Analysis Date = 02/21/03 Pct Recovery = 116% Analysis Date = 02/21/03 Pct Recovery = 116% Analysis Date = 02/14/03 Pct Recovery = 116% Analysis Date = 02/14/03 Pct Recovery = 116% Analysis Date = 02/07/03 Pct Recovery = 116% Analysis Date = 02/07/03 Pct Recovery = 116% Analysis Date = 01/31/03 Pct Recovery = 116% Analysis Date = 01/31/03 Pct Recovery = 116% Analysis Date = 01/25/03 Pct Recovery = 117% Analysis Date = 01/25/03 Pct Recovery = 117% Analysis Date = 01/18/03 Pct Recovery = 117% Analysis Date = 01/18/03 Pct Recovery = 117% Analysis Date = 01/11/03 Pct Recovery = 117% Analysis Date = 01/11/03 Pct Recovery = 117% Analysis Date = 01/04/03 Pct Recovery = 117% Analysis Date = 01/04/03 Pct Recovery = 117% Analysis Date = 12/28/02 Pct Recovery = 117% Analysis Date = 12/28/02 Pct Recovery = 117% Analysis Date = 12/22/02 Pct Recovery = 118% Analysis Date = 12/22/02 Pct Recovery = 118% Analysis Date = 12/15/02 Pct Recovery = 118% Analysis Date = 12/15/02 Pct Recovery = 118% Analysis Date = 12/08/02 Pct Recovery = 118% Analysis Date = 12/08/02 Pct Recovery = 118% Analysis Date = 12/01/02 Pct Recovery = 118% Analysis Date = 12/01/02 Pct Recovery = 118% Analysis Date = 11/24/02 Pct Recovery = 119% Analysis Date = 11/24/02 Pct Recovery = 119% Analysis Date = 11/18/02 Pct Recovery = 119% Analysis Date = 11/18/02 Pct Recovery = 119% Analysis Date = 11/11/02 Pct Recovery = 119% Analysis Date = 11/11/02 Pct Recovery = 119% Analysis Date = 11/04/02 Pct Recovery = 119% Analysis Date = 11/04/02 Pct Recovery = 119% Analysis Date = 10/28/02 Pct Recovery = 120% Analysis Date = 10/28/02 Pct Recovery = 120% Analysis Date = 10/21/02 Pct Recovery = 120% Analysis Date = 10/21/02 Pct Recovery = 120% Analysis Date = 10/15/02 Pct Recovery = 120% Analysis Date = 10/15/02 Pct Recovery = 120% Analysis Date = 10/08/02 Pct Recovery = 120% Analysis Date = 10/08/02 Pct Recovery = 120% Analysis Date = 10/01/02 Pct Recovery = 120% Analysis Date = 10/01/02 Pct Recovery = 120% Analysis Date = 09/24/02 Pct Recovery = 121% Analysis Date = 09/24/02 Pct Recovery = 121% Analysis Date = 09/17/02 Pct Recovery = 121% Analysis Date = 09/17/02 Pct Recovery = 121% Analysis Date = 09/11/02 Pct Recovery = 121% Analysis Date = 09/11/02 Pct Recovery = 121% Analysis Date = 09/04/02 Pct Recovery = 121% Analysis Date = 09/04/02 Pct Recovery = 121% Analysis Date = 08/28/02 Pct Recovery = 122% Analysis Date = 08/28/02 Pct Recovery = 122% Analysis Date = 08/21/02 Pct Recovery = 122% Analysis Date = 08/21/02 Pct Recovery = 122% Analysis Date = 08/14/02 Pct Recovery = 122% Analysis Date = 08/14/02 Pct Recovery = 122% Analysis Date = 08/07/02 Pct Recovery = 122% Analysis Date = 08/07/02 Pct Recovery = 122% Analysis Date = 08/01/02 Pct Recovery = 123% Analysis Date = 08/01/02 Pct Recovery = 123% Analysis Date = 07/25/02 Pct Recovery = 123% Analysis Date = 07/25/02 Pct Recovery = 123% Analysis Date = 07/18/02 Pct Recovery = 123% Analysis Date = 07/18/02 Pct Recovery = 123% Analysis Date = 07/11/02 Pct Recovery = 123% Analysis Date = 07/11/02 Pct Recovery = 123% Analysis Date = 07/04/02 Pct Recovery = 124% Analysis Date = 07/04/02 Pct Recovery = 124% Analysis Date = 06/28/02 Pct Recovery = 124% Analysis Date = 06/28/02 Pct Recovery = 124% Analysis Date = 06/21/02 Pct Recovery = 124% Analysis Date = 06/21/02 Pct Recovery = 124% Analysis Date = 06/14/02 Pct Recovery = 124% Analysis Date = 06/14/02 Pct Recovery = 124% Analysis Date = 06/07/02 Pct Recovery = 124% Analysis Date = 06/07/02 Pct Recovery = 124% Analysis Date = 05/31/02 Pct Recovery = 125% Analysis Date = 05/31/02 Pct Recovery = 125% Analysis Date = 05/25/02 Pct Recovery = 125% Analysis Date = 05/25/02 Pct Recovery = 125% Analysis Date = 05/18/02 Pct Recovery = 125% Analysis Date = 05/18/02 Pct Recovery = 125% Analysis Date = 05/11/02 Pct Recovery = 125% Analysis Date = 05/11/02 Pct Recovery = 125% Analysis Date = 05/04/02 Pct Recovery = 126% Analysis Date = 05/04/02 Pct Recovery = 126% Analysis Date = 04/27/02 Pct Recovery = 126% Analysis Date = 04/27/02 Pct Recovery = 126% Analysis Date = 04/21/02 Pct Recovery = 126% Analysis Date = 04/21/02 Pct Recovery = 126% Analysis Date = 04/14/02 Pct Recovery = 126% Analysis Date = 04/14/02 Pct Recovery = 126% Analysis Date = 04/07/02 Pct Recovery = 127% Analysis Date = 04/07/02 Pct Recovery = 127% Analysis Date = 03/31/02 Pct Recovery = 127% Analysis Date = 03/31/02 Pct Recovery = 127% Analysis Date = 03/24/02 Pct Recovery = 127% Analysis Date = 03/24/02 Pct Recovery = 127% Analysis Date = 03/18/02 Pct Recovery = 127% Analysis Date = 03/18/02 Pct Recovery = 127% Analysis Date = 03/11/02 Pct Recovery = 127% Analysis Date = 03/11/02 Pct Recovery = 127% Analysis Date = 03/04/02 Pct Recovery = 128% Analysis Date = 03/04/02 Pct Recovery = 128% Analysis Date = 02/25/02 Pct Recovery = 128% Analysis Date = 02/25/02 Pct Recovery = 128% Analysis Date = 02/18/02 Pct Recovery = 128% Analysis Date = 02/18/02 Pct Recovery = 128% Analysis Date = 02/11/02 Pct Recovery = 128% Analysis Date = 02/11/02 Pct Recovery = 128% Analysis Date = 02/05/02 Pct Recovery = 129% Analysis Date = 02/05/02 Pct Recovery = 129% Analysis Date = 01/29/02 Pct Recovery = 129% Analysis Date = 01/29/02 Pct Recovery = 129% Analysis Date = 01/22/02 Pct Recovery = 129% Analysis Date = 01/22/02 Pct Recovery = 129% Analysis Date = 01/15/02 Pct Recovery = 129% Analysis Date = 01/15/02 Pct Recovery = 129% Analysis Date = 01/08/02 Pct Recovery = 130% Analysis Date = 01/08/02 Pct Recovery = 130% Analysis Date = 01/02/02 Pct Recovery = 130% Analysis Date = 01/02/02 Pct Recovery = 130% Analysis Date = 12/26/01 Pct Recovery = 130% Analysis Date = 12/26/01 Pct Recovery = 130% Analysis Date = 12/19/01 Pct Recovery = 130% Analysis Date = 12/19/01 Pct Recovery = 130% Analysis Date = 12/12/01 Pct Recovery = 130% Analysis Date = 12/12/01 Pct Recovery = 130% Analysis Date = 12/05/01 Pct Recovery = 131% Analysis Date = 12/05/01 Pct Recovery = 131% Analysis Date = 11/29/01 Pct Recovery = 131% Analysis Date = 11/29/01 Pct Recovery = 131% Analysis Date = 11/22/01 Pct Recovery = 131% Analysis Date = 11/22/01 Pct Recovery = 131% Analysis Date = 11/15/01 Pct Recovery = 131% Analysis Date = 11/15/01 Pct Recovery = 131% Analysis Date = 11/08/01 Pct Recovery = 132% Analysis Date = 11/08/01 Pct Recovery = 132% Analysis Date = 11/01/01 Pct Recovery = 132% Analysis Date = 11/01/01 Pct Recovery = 132% Analysis Date = 10/26/01 Pct Recovery = 132% Analysis Date = 10/26/01 Pct Recovery = 132% Analysis Date = 10/19/01 Pct Recovery = 132% Analysis Date = 10/19/01 Pct Recovery = 132% Analysis Date = 10/12/01 Pct Recovery = 133% Analysis Date = 10/12/01 Pct Recovery = 133% Analysis Date = 10/05/01 Pct Recovery = 133% Analysis Date = 10/05/01 Pct Recovery = 133% Analysis Date = 09/28/01 Pct Recovery = 133% Analysis Date = 09/28/01 Pct Recovery = 133% Analysis Date = 09/22/01 Pct Recovery = 133% Analysis Date = 09/22/01 Pct Recovery = 133% Analysis Date = 09/15/01 Pct Recovery = 134% Analysis Date = 09/15/01 Pct Recovery = 134% Analysis Date = 09/08/01 Pct Recovery = 134% Analysis Date = 09/08/01 Pct Recovery = 134% Analysis Date = 09/01/01 Pct Recovery = 134% Analysis Date = 09/01/01 Pct Recovery = 134% Analysis Date = 08/25/01 Pct Recovery = 134% Analysis Date = 08/25/01 Pct Recovery = 134% Analysis Date = 08/19/01 Pct Recovery = 134% Analysis Date = 08/19/01 Pct Recovery = 134% Analysis Date = 08/12/01 Pct Recovery = 133% Analysis Date = 08/12/01 Pct Recovery = 133% Analysis Date = 08/05/01 Pct Recovery = 132% Analysis Date = 08/05/01 Pct Recovery = 132% Analysis Date = 07/29/01 Pct Recovery = 132% Analysis Date = 07/29/01 Pct Recovery = 132% Analysis Date = 07/22/01 Pct Recovery = 131% Analysis Date = 07/22/01 Pct Recovery = 131% Analysis Date = 07/15/01 Pct Recovery = 130% Analysis Date = 07/15/01 Pct Recovery = 130% Analysis Date = 07/09/01 Pct Recovery = 130% Analysis Date = 07/09/01 Pct Recovery = 130% Analysis Date = 07/02/01 Pct Recovery = 129% Analysis Date = 07/02/01 Pct Recovery = 129% Analysis Date = 06/25/01 Pct Recovery = 129% Analysis Date = 06/25/01 Pct Recovery = 129% Analysis Date = 06/18/01 Pct Recovery = 128% Analysis Date = 06/18/01 Pct Recovery = 128% Analysis Date = 06/11/01 Pct Recovery = 127% Analysis Date = 06/11/01 Pct Recovery = 127% Analysis Date = 06/05/01 Pct Recovery = 127% Analysis Date = 06/05/01 Pct Recovery = 127% Analysis Date = 05/29/01 Pct Recovery = 126% Analysis Date = 05/29/01 Pct Recovery = 126% Analysis Date = 05/22/01 Pct Recovery = 125% Analysis Date = 05/22/01 Pct Recovery = 125% Analysis Date = 05/15/01 Pct Recovery = 125% Analysis Date = 05/15/01 Pct Recovery = 125% Analysis Date = 05/08/01 Pct Recovery = 124% Analysis Date = 05/08/01 Pct Recovery = 124% Analysis Date = 05/02/01 Pct Recovery = 123% Analysis Date = 05/02/01 Pct Recovery = 123% Analysis Date = 04/25/01 Pct Recovery = 123% Analysis Date = 04/25/01 Pct Recovery = 123% Analysis Date = 04/18/01 Pct Recovery = 122% Analysis Date = 04/18/01 Pct Recovery = 122% Analysis Date = 04/11/01 Pct Recovery = 121% Analysis Date = 04/11/01 Pct Recovery = 121% Analysis Date = 04/04/01 Pct Recovery = 121% Analysis Date = 04/04/01 Pct Recovery = 121% Analysis Date = 03/29/01 Pct Recovery = 120% Analysis Date = 03/29/01 Pct Recovery = 120% Analysis Date = 03/22/01 Pct Recovery = 119% Analysis Date = 03/22/01 Pct Recovery = 119% Analysis Date = 03/15/01 Pct Recovery = 119% Analysis Date = 03/15/01 Pct Recovery = 119% Analysis Date = 03/08/01 Pct Recovery = 118% Analysis Date = 03/08/01 Pct Recovery = 118% Analysis Date = 03/01/01 Pct Recovery = 117% Analysis Date = 03/01/01 Pct Recovery = 117% Analysis Date = 02/23/01 Pct Recovery = 117% Analysis Date = 02/23/01 Pct Recovery = 117% Analysis Date = 02/16/01 Pct Recovery = 116% Analysis Date = 02/16/01 Pct Recovery = 116% Analysis Date = 02/09/01 Pct Recovery = 115% Analysis Date = 02/09/01 Pct Recovery = 115% Analysis Date = 02/02/01 Pct Recovery = 115% Analysis Date = 02/02/01 Pct Recovery = 115% Analysis Date = 01/26/01 Pct Recovery = 114% Analysis Date = 01/26/01 Pct Recovery = 114% Analysis Date = 01/19/01 Pct Recovery = 113% Analysis Date = 01/19/01 Pct Recovery = 113% Analysis Date = 01/13/01 Pct Recovery = 113% Analysis Date = 01/13/01 Pct Recovery = 113% Analysis Date = 01/06/01 Pct Recovery = 112% Analysis Date = 01/06/01 Pct Recovery = 112% Analysis Date = 12/30/00 Pct Recovery = 111% Analysis Date = 12/30/00 Pct Recovery = 111% Analysis Date = 12/23/00 Pct Recovery = 111% Analysis Date = 12/23/00 Pct Recovery = 111% Analysis Date = 12/16/00 Pct Recovery = 110% Analysis Date = 12/16/00 Pct Recovery = 110% Analysis Date = 12/10/00 Pct Recovery = 109% Analysis Date = 12/10/00 Pct Recovery = 109% Analysis Date = 12/03/00 Pct Recovery = 109% Analysis Date = 12/03/00 Pct Recovery = 109% Analysis Date = 11/26/00 Pct Recovery = 108% Analysis Date = 11/26/00 Pct Recovery = 108% Analysis Date = 11/19/00 Pct Recovery = 107% Analysis Date = 11/19/00 Pct Recovery = 107% Analysis Date = 11/12/00 Pct Recovery = 107% Analysis Date = 11/12/00 Pct Recovery = 107% Analysis Date = 11/06/00 Pct Recovery = 106% Analysis Date = 11/06/00 Pct Recovery = 106% Analysis Date = 10/30/00 Pct Recovery = 105% Analysis Date = 10/30/00 Pct Recovery = 105% Analysis Date = 10/23/00 Pct Recovery = 105% Analysis Date = 10/23/00 Pct Recovery = 105% Analysis Date = 10/16/00 Pct Recovery = 104% Analysis Date = 10/16/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/03/00 Pct Recovery = 103% Analysis Date = 10/03/00 Pct Recovery = 103% Analysis Date = 09/26/00 Pct Recovery = 103% Analysis Date = 09/26/00 Pct Recovery = 103% Analysis Date = 09/19/00 Pct Recovery = 102% Analysis Date = 09/19/00 Pct Recovery = 102% Analysis Date = 09/12/00 Pct Recovery = 102% Analysis Date = 09/12/00 Pct Recovery = 102% Analysis Date = 09/05/00 Pct Recovery = 102% Analysis Date = 09/05/00 Pct Recovery = 102% Analysis Date = 08/30/00 Pct Recovery = 101% Analysis Date = 08/30/00 Pct Recovery = 101% Analysis Date = 08/23/00 Pct Recovery = 101% Analysis Date = 08/23/00 Pct Recovery = 101% Analysis Date = 08/16/00 Pct Recovery = 100% Analysis Date = 08/16/00 Pct Recovery = 100% Analysis Date = 08/09/00 Pct Recovery = 100% Analysis Date = 08/09/00 Pct Recovery = 100% Analysis Date = 08/02/00 Pct Recovery = 100% Analysis Date = 08/02/00 Pct Recovery = 100% Analysis Date = 07/27/00 Pct Recovery = 99% Analysis Date = 07/27/00 Pct Recovery = 99% Analysis Date = 07/20/00 Pct Recovery = 99% Analysis Date = 07/20/00 Pct Recovery = 99% Analysis Date = 07/13/00 Pct Recovery = 99% Analysis Date = 07/13/00 Pct Recovery = 99% Analysis Date = 07/06/00 Pct Recovery = 99% Analysis Date = 07/06/00 Pct Recovery = 99% Analysis Date = 06/29/00 Pct Recovery = 99% Analysis Date = 06/29/00 Pct Recovery = 99% Analysis Date = 06/22/00 Pct Recovery = 99% Analysis Date = 06/22/00 Pct Recovery = 99% Analysis Date = 06/16/00 Pct Recovery = 99% Analysis Date = 06/16/00 Pct Recovery = 99% Analysis Date = 06/09/00 Pct Recovery = 99% Analysis Date = 06/09/00 Pct Recovery = 99% Analysis Date = 06/02/00 Pct Recovery = 99% Analysis Date = 06/02/00 Pct Recovery = 99% Analysis Date = 05/26/00 Pct Recovery = 99% Analysis Date = 05/26/00 Pct Recovery = 99% Analysis Date = 05/19/00 Pct Recovery = 99% Analysis Date = 05/19/00 Pct Recovery = 99% Analysis Date = 05/13/00 Pct Recovery = 99% Analysis Date = 05/13/00 Pct Recovery = 99% Analysis Date = 05/06/00 Pct Recovery = 99% Analysis Date = 05/06/00 Pct Recovery = 99% Analysis Date = 04/29/00 Pct Recovery = 100% Analysis Date = 04/29/00 Pct Recovery = 100% Analysis Date = 04/22/00 Pct Recovery = 100% Analysis Date = 04/22/00 Pct Recovery = 100% Analysis Date = 04/15/00 Pct Recovery = 100% Analysis Date = 04/15/00 Pct Recovery = 100% Analysis Date = 04/09/00 Pct Recovery = 100% Analysis Date = 04/09/00 Pct Recovery = 100% Analysis Date = 04/02/00 Pct Recovery = 100% Analysis Date = 04/02/00 Pct Recovery = 100% Analysis Date = 03/26/00 Pct Recovery = 100% Analysis Date = 03/26/00 Pct Recovery = 100% Analysis Date = 03/19/00 Pct Recovery = 101% Analysis Date = 03/19/00 Pct Recovery = 101% Analysis Date = 03/12/00 Pct Recovery = 101% Analysis Date = 03/12/00 Pct Recovery = 101% Analysis Date = 03/06/00 Pct Recovery = 101% Analysis Date = 03/06/00 Pct Recovery = 101% Analysis Date = 02/28/00 Pct Recovery = 101% Analysis Date = 02/28/00 Pct Recovery = 101% Analysis Date = 02/21/00 Pct Recovery = 101% Analysis Date = 02/21/00 Pct Recovery = 101% Analysis Date = 02/14/00 Pct Recovery = 101% Analysis Date = 02/14/00 Pct Recovery = 101% Analysis Date = 02/07/00 Pct Recovery = 102% Analysis Date = 02/07/00 Pct Recovery = 102% Analysis Date = 02/01/00 Pct Recovery = 102% Analysis Date = 02/01/00 Pct Recovery = 102% Analysis Date = 01/25/00 Pct Recovery = 102% Analysis Date = 01/25/00 Pct Recovery = 102% Analysis Date = 01/18/00 Pct Recovery = 102% Analysis Date = 01/18/00 Pct Recovery = 102% Analysis Date = 01/11/00 Pct Recovery = 103% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
DIBROMOCHLOROMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 24 105% 11% 102% 5%
Total 24 105% 11% 102% 5%

Sample Statistics
DIBROMOCHLOROMETHANE

Characteristic N % % Basis
Plotted 24 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 24 .  
False Negatives 0 0% 0 out of 24
Not Spiked 12 .  
False Positives 0 0% 0 out of 12

BQS OBSP Determination:
DIBROMOMETHANE
METHOD: 4054 , TESTIDCODE: 30217GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 112% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 102% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 100% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 118% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 101% Analysis Date = 11/15/00 Pct Recovery = 112% Analysis Date = 11/13/00 Pct Recovery = 112% Analysis Date = 11/13/00 Pct Recovery = 112% Analysis Date = 11/12/00 Pct Recovery = 112% Analysis Date = 11/12/00 Pct Recovery = 112% Analysis Date = 11/11/00 Pct Recovery = 111% Analysis Date = 11/11/00 Pct Recovery = 111% Analysis Date = 11/10/00 Pct Recovery = 111% Analysis Date = 11/10/00 Pct Recovery = 111% Analysis Date = 11/08/00 Pct Recovery = 111% Analysis Date = 11/08/00 Pct Recovery = 111% Analysis Date = 11/07/00 Pct Recovery = 111% Analysis Date = 11/07/00 Pct Recovery = 111% Analysis Date = 11/06/00 Pct Recovery = 111% Analysis Date = 11/06/00 Pct Recovery = 111% Analysis Date = 11/04/00 Pct Recovery = 111% Analysis Date = 11/04/00 Pct Recovery = 111% Analysis Date = 11/03/00 Pct Recovery = 111% Analysis Date = 11/03/00 Pct Recovery = 111% Analysis Date = 11/02/00 Pct Recovery = 110% Analysis Date = 11/02/00 Pct Recovery = 110% Analysis Date = 10/31/00 Pct Recovery = 110% Analysis Date = 10/31/00 Pct Recovery = 110% Analysis Date = 10/30/00 Pct Recovery = 110% Analysis Date = 10/30/00 Pct Recovery = 110% Analysis Date = 10/29/00 Pct Recovery = 110% Analysis Date = 10/29/00 Pct Recovery = 110% Analysis Date = 10/27/00 Pct Recovery = 110% Analysis Date = 10/27/00 Pct Recovery = 110% Analysis Date = 10/26/00 Pct Recovery = 110% Analysis Date = 10/26/00 Pct Recovery = 110% Analysis Date = 10/25/00 Pct Recovery = 110% Analysis Date = 10/25/00 Pct Recovery = 110% Analysis Date = 10/23/00 Pct Recovery = 109% Analysis Date = 10/23/00 Pct Recovery = 109% Analysis Date = 10/22/00 Pct Recovery = 109% Analysis Date = 10/22/00 Pct Recovery = 109% Analysis Date = 10/21/00 Pct Recovery = 109% Analysis Date = 10/21/00 Pct Recovery = 109% Analysis Date = 10/19/00 Pct Recovery = 109% Analysis Date = 10/19/00 Pct Recovery = 109% Analysis Date = 10/18/00 Pct Recovery = 109% Analysis Date = 10/18/00 Pct Recovery = 109% Analysis Date = 10/17/00 Pct Recovery = 109% Analysis Date = 10/17/00 Pct Recovery = 109% Analysis Date = 10/15/00 Pct Recovery = 109% Analysis Date = 10/15/00 Pct Recovery = 109% Analysis Date = 10/14/00 Pct Recovery = 108% Analysis Date = 10/14/00 Pct Recovery = 108% Analysis Date = 10/13/00 Pct Recovery = 108% Analysis Date = 10/13/00 Pct Recovery = 108% Analysis Date = 10/11/00 Pct Recovery = 108% Analysis Date = 10/11/00 Pct Recovery = 108% Analysis Date = 10/10/00 Pct Recovery = 108% Analysis Date = 10/10/00 Pct Recovery = 108% Analysis Date = 10/09/00 Pct Recovery = 108% Analysis Date = 10/09/00 Pct Recovery = 108% Analysis Date = 10/07/00 Pct Recovery = 108% Analysis Date = 10/07/00 Pct Recovery = 108% Analysis Date = 10/06/00 Pct Recovery = 108% Analysis Date = 10/06/00 Pct Recovery = 108% Analysis Date = 10/05/00 Pct Recovery = 107% Analysis Date = 10/05/00 Pct Recovery = 107% Analysis Date = 10/03/00 Pct Recovery = 107% Analysis Date = 10/03/00 Pct Recovery = 107% Analysis Date = 10/02/00 Pct Recovery = 107% Analysis Date = 10/02/00 Pct Recovery = 107% Analysis Date = 10/01/00 Pct Recovery = 107% Analysis Date = 10/01/00 Pct Recovery = 107% Analysis Date = 09/29/00 Pct Recovery = 107% Analysis Date = 09/29/00 Pct Recovery = 107% Analysis Date = 09/28/00 Pct Recovery = 107% Analysis Date = 09/28/00 Pct Recovery = 107% Analysis Date = 09/27/00 Pct Recovery = 107% Analysis Date = 09/27/00 Pct Recovery = 107% Analysis Date = 09/25/00 Pct Recovery = 106% Analysis Date = 09/25/00 Pct Recovery = 106% Analysis Date = 09/24/00 Pct Recovery = 106% Analysis Date = 09/24/00 Pct Recovery = 106% Analysis Date = 09/23/00 Pct Recovery = 106% Analysis Date = 09/23/00 Pct Recovery = 106% Analysis Date = 09/21/00 Pct Recovery = 106% Analysis Date = 09/21/00 Pct Recovery = 106% Analysis Date = 09/20/00 Pct Recovery = 106% Analysis Date = 09/20/00 Pct Recovery = 106% Analysis Date = 09/19/00 Pct Recovery = 106% Analysis Date = 09/19/00 Pct Recovery = 106% Analysis Date = 09/17/00 Pct Recovery = 106% Analysis Date = 09/17/00 Pct Recovery = 106% Analysis Date = 09/16/00 Pct Recovery = 105% Analysis Date = 09/16/00 Pct Recovery = 105% Analysis Date = 09/15/00 Pct Recovery = 105% Analysis Date = 09/15/00 Pct Recovery = 105% Analysis Date = 09/13/00 Pct Recovery = 105% Analysis Date = 09/13/00 Pct Recovery = 105% Analysis Date = 09/12/00 Pct Recovery = 105% Analysis Date = 09/12/00 Pct Recovery = 105% Analysis Date = 09/11/00 Pct Recovery = 105% Analysis Date = 09/11/00 Pct Recovery = 105% Analysis Date = 09/09/00 Pct Recovery = 105% Analysis Date = 09/09/00 Pct Recovery = 105% Analysis Date = 09/08/00 Pct Recovery = 105% Analysis Date = 09/08/00 Pct Recovery = 105% Analysis Date = 09/07/00 Pct Recovery = 105% Analysis Date = 09/07/00 Pct Recovery = 105% Analysis Date = 09/05/00 Pct Recovery = 104% Analysis Date = 09/05/00 Pct Recovery = 104% Analysis Date = 09/04/00 Pct Recovery = 104% Analysis Date = 09/04/00 Pct Recovery = 104% Analysis Date = 09/03/00 Pct Recovery = 104% Analysis Date = 09/03/00 Pct Recovery = 104% Analysis Date = 09/01/00 Pct Recovery = 104% Analysis Date = 09/01/00 Pct Recovery = 104% Analysis Date = 08/31/00 Pct Recovery = 104% Analysis Date = 08/31/00 Pct Recovery = 104% Analysis Date = 08/30/00 Pct Recovery = 104% Analysis Date = 08/30/00 Pct Recovery = 104% Analysis Date = 08/28/00 Pct Recovery = 104% Analysis Date = 08/28/00 Pct Recovery = 104% Analysis Date = 08/27/00 Pct Recovery = 103% Analysis Date = 08/27/00 Pct Recovery = 103% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/24/00 Pct Recovery = 103% Analysis Date = 08/24/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/22/00 Pct Recovery = 103% Analysis Date = 08/22/00 Pct Recovery = 103% Analysis Date = 08/20/00 Pct Recovery = 103% Analysis Date = 08/20/00 Pct Recovery = 103% Analysis Date = 08/19/00 Pct Recovery = 103% Analysis Date = 08/19/00 Pct Recovery = 103% Analysis Date = 08/18/00 Pct Recovery = 102% Analysis Date = 08/18/00 Pct Recovery = 102% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/15/00 Pct Recovery = 102% Analysis Date = 08/15/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/13/00 Pct Recovery = 102% Analysis Date = 08/13/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/10/00 Pct Recovery = 102% Analysis Date = 08/10/00 Pct Recovery = 102% Analysis Date = 08/09/00 Pct Recovery = 102% Analysis Date = 08/09/00 Pct Recovery = 102% Analysis Date = 08/07/00 Pct Recovery = 102% Analysis Date = 08/07/00 Pct Recovery = 102% Analysis Date = 08/06/00 Pct Recovery = 102% Analysis Date = 08/06/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/03/00 Pct Recovery = 102% Analysis Date = 08/03/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 08/01/00 Pct Recovery = 102% Analysis Date = 08/01/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/29/00 Pct Recovery = 102% Analysis Date = 07/29/00 Pct Recovery = 102% Analysis Date = 07/28/00 Pct Recovery = 102% Analysis Date = 07/28/00 Pct Recovery = 102% Analysis Date = 07/26/00 Pct Recovery = 101% Analysis Date = 07/26/00 Pct Recovery = 101% Analysis Date = 07/25/00 Pct Recovery = 101% Analysis Date = 07/25/00 Pct Recovery = 101% Analysis Date = 07/24/00 Pct Recovery = 101% Analysis Date = 07/24/00 Pct Recovery = 101% Analysis Date = 07/22/00 Pct Recovery = 101% Analysis Date = 07/22/00 Pct Recovery = 101% Analysis Date = 07/21/00 Pct Recovery = 101% Analysis Date = 07/21/00 Pct Recovery = 101% Analysis Date = 07/20/00 Pct Recovery = 101% Analysis Date = 07/20/00 Pct Recovery = 101% Analysis Date = 07/18/00 Pct Recovery = 101% Analysis Date = 07/18/00 Pct Recovery = 101% Analysis Date = 07/17/00 Pct Recovery = 101% Analysis Date = 07/17/00 Pct Recovery = 101% Analysis Date = 07/16/00 Pct Recovery = 101% Analysis Date = 07/16/00 Pct Recovery = 101% Analysis Date = 07/14/00 Pct Recovery = 101% Analysis Date = 07/14/00 Pct Recovery = 101% Analysis Date = 07/13/00 Pct Recovery = 101% Analysis Date = 07/13/00 Pct Recovery = 101% Analysis Date = 07/12/00 Pct Recovery = 101% Analysis Date = 07/12/00 Pct Recovery = 101% Analysis Date = 07/10/00 Pct Recovery = 101% Analysis Date = 07/10/00 Pct Recovery = 101% Analysis Date = 07/09/00 Pct Recovery = 101% Analysis Date = 07/09/00 Pct Recovery = 101% Analysis Date = 07/08/00 Pct Recovery = 101% Analysis Date = 07/08/00 Pct Recovery = 101% Analysis Date = 07/06/00 Pct Recovery = 101% Analysis Date = 07/06/00 Pct Recovery = 101% Analysis Date = 07/05/00 Pct Recovery = 101% Analysis Date = 07/05/00 Pct Recovery = 101% Analysis Date = 07/04/00 Pct Recovery = 101% Analysis Date = 07/04/00 Pct Recovery = 101% Analysis Date = 07/02/00 Pct Recovery = 101% Analysis Date = 07/02/00 Pct Recovery = 101% Analysis Date = 07/01/00 Pct Recovery = 101% Analysis Date = 07/01/00 Pct Recovery = 101% Analysis Date = 06/30/00 Pct Recovery = 101% Analysis Date = 06/30/00 Pct Recovery = 101% Analysis Date = 06/28/00 Pct Recovery = 100% Analysis Date = 06/28/00 Pct Recovery = 100% Analysis Date = 06/27/00 Pct Recovery = 100% Analysis Date = 06/27/00 Pct Recovery = 100% Analysis Date = 06/26/00 Pct Recovery = 100% Analysis Date = 06/26/00 Pct Recovery = 100% Analysis Date = 06/24/00 Pct Recovery = 100% Analysis Date = 06/24/00 Pct Recovery = 100% Analysis Date = 06/23/00 Pct Recovery = 100% Analysis Date = 06/23/00 Pct Recovery = 100% Analysis Date = 06/22/00 Pct Recovery = 100% Analysis Date = 06/22/00 Pct Recovery = 100% Analysis Date = 06/20/00 Pct Recovery = 100% Analysis Date = 06/20/00 Pct Recovery = 100% Analysis Date = 06/19/00 Pct Recovery = 100% Analysis Date = 06/19/00 Pct Recovery = 100% Analysis Date = 06/18/00 Pct Recovery = 100% Analysis Date = 06/18/00 Pct Recovery = 100% Analysis Date = 06/16/00 Pct Recovery = 100% Analysis Date = 06/16/00 Pct Recovery = 100% Analysis Date = 06/15/00 Pct Recovery = 100% Analysis Date = 06/15/00 Pct Recovery = 100% Analysis Date = 06/14/00 Pct Recovery = 100% Analysis Date = 06/14/00 Pct Recovery = 100% Analysis Date = 06/12/00 Pct Recovery = 101% Analysis Date = 06/12/00 Pct Recovery = 101% Analysis Date = 06/11/00 Pct Recovery = 101% Analysis Date = 06/11/00 Pct Recovery = 101% Analysis Date = 06/10/00 Pct Recovery = 102% Analysis Date = 06/10/00 Pct Recovery = 102% Analysis Date = 06/08/00 Pct Recovery = 102% Analysis Date = 06/08/00 Pct Recovery = 102% Analysis Date = 06/07/00 Pct Recovery = 103% Analysis Date = 06/07/00 Pct Recovery = 103% Analysis Date = 06/06/00 Pct Recovery = 103% Analysis Date = 06/06/00 Pct Recovery = 103% Analysis Date = 06/04/00 Pct Recovery = 104% Analysis Date = 06/04/00 Pct Recovery = 104% Analysis Date = 06/03/00 Pct Recovery = 104% Analysis Date = 06/03/00 Pct Recovery = 104% Analysis Date = 06/02/00 Pct Recovery = 105% Analysis Date = 06/02/00 Pct Recovery = 105% Analysis Date = 05/31/00 Pct Recovery = 105% Analysis Date = 05/31/00 Pct Recovery = 105% Analysis Date = 05/30/00 Pct Recovery = 106% Analysis Date = 05/30/00 Pct Recovery = 106% Analysis Date = 05/29/00 Pct Recovery = 106% Analysis Date = 05/29/00 Pct Recovery = 106% Analysis Date = 05/27/00 Pct Recovery = 107% Analysis Date = 05/27/00 Pct Recovery = 107% Analysis Date = 05/26/00 Pct Recovery = 107% Analysis Date = 05/26/00 Pct Recovery = 107% Analysis Date = 05/25/00 Pct Recovery = 108% Analysis Date = 05/25/00 Pct Recovery = 108% Analysis Date = 05/24/00 Pct Recovery = 108% Analysis Date = 05/24/00 Pct Recovery = 108% Analysis Date = 05/22/00 Pct Recovery = 109% Analysis Date = 05/22/00 Pct Recovery = 109% Analysis Date = 05/21/00 Pct Recovery = 109% Analysis Date = 05/21/00 Pct Recovery = 109% Analysis Date = 05/20/00 Pct Recovery = 110% Analysis Date = 05/20/00 Pct Recovery = 110% Analysis Date = 05/18/00 Pct Recovery = 110% Analysis Date = 05/18/00 Pct Recovery = 110% Analysis Date = 05/17/00 Pct Recovery = 111% Analysis Date = 05/17/00 Pct Recovery = 111% Analysis Date = 05/16/00 Pct Recovery = 111% Analysis Date = 05/16/00 Pct Recovery = 111% Analysis Date = 05/14/00 Pct Recovery = 112% Analysis Date = 05/14/00 Pct Recovery = 112% Analysis Date = 05/13/00 Pct Recovery = 112% Analysis Date = 05/13/00 Pct Recovery = 112% Analysis Date = 05/12/00 Pct Recovery = 113% Analysis Date = 05/12/00 Pct Recovery = 113% Analysis Date = 05/10/00 Pct Recovery = 113% Analysis Date = 05/10/00 Pct Recovery = 113% Analysis Date = 05/09/00 Pct Recovery = 114% Analysis Date = 05/09/00 Pct Recovery = 114% Analysis Date = 05/08/00 Pct Recovery = 114% Analysis Date = 05/08/00 Pct Recovery = 114% Analysis Date = 05/06/00 Pct Recovery = 114% Analysis Date = 05/06/00 Pct Recovery = 114% Analysis Date = 05/05/00 Pct Recovery = 115% Analysis Date = 05/05/00 Pct Recovery = 115% Analysis Date = 05/04/00 Pct Recovery = 115% Analysis Date = 05/04/00 Pct Recovery = 115% Analysis Date = 05/02/00 Pct Recovery = 116% Analysis Date = 05/02/00 Pct Recovery = 116% Analysis Date = 05/01/00 Pct Recovery = 116% Analysis Date = 05/01/00 Pct Recovery = 116% Analysis Date = 04/30/00 Pct Recovery = 117% Analysis Date = 04/30/00 Pct Recovery = 117% Analysis Date = 04/28/00 Pct Recovery = 117% Analysis Date = 04/28/00 Pct Recovery = 117% Analysis Date = 04/27/00 Pct Recovery = 118% Analysis Date = 04/27/00 Pct Recovery = 118% Analysis Date = 04/26/00 Pct Recovery = 117% Analysis Date = 04/26/00 Pct Recovery = 117% Analysis Date = 04/24/00 Pct Recovery = 117% Analysis Date = 04/24/00 Pct Recovery = 117% Analysis Date = 04/23/00 Pct Recovery = 117% Analysis Date = 04/23/00 Pct Recovery = 117% Analysis Date = 04/22/00 Pct Recovery = 116% Analysis Date = 04/22/00 Pct Recovery = 116% Analysis Date = 04/20/00 Pct Recovery = 116% Analysis Date = 04/20/00 Pct Recovery = 116% Analysis Date = 04/19/00 Pct Recovery = 116% Analysis Date = 04/19/00 Pct Recovery = 116% Analysis Date = 04/18/00 Pct Recovery = 115% Analysis Date = 04/18/00 Pct Recovery = 115% Analysis Date = 04/16/00 Pct Recovery = 115% Analysis Date = 04/16/00 Pct Recovery = 115% Analysis Date = 04/15/00 Pct Recovery = 115% Analysis Date = 04/15/00 Pct Recovery = 115% Analysis Date = 04/14/00 Pct Recovery = 114% Analysis Date = 04/14/00 Pct Recovery = 114% Analysis Date = 04/12/00 Pct Recovery = 114% Analysis Date = 04/12/00 Pct Recovery = 114% Analysis Date = 04/11/00 Pct Recovery = 114% Analysis Date = 04/11/00 Pct Recovery = 114% Analysis Date = 04/10/00 Pct Recovery = 113% Analysis Date = 04/10/00 Pct Recovery = 113% Analysis Date = 04/08/00 Pct Recovery = 113% Analysis Date = 04/08/00 Pct Recovery = 113% Analysis Date = 04/07/00 Pct Recovery = 113% Analysis Date = 04/07/00 Pct Recovery = 113% Analysis Date = 04/06/00 Pct Recovery = 112% Analysis Date = 04/06/00 Pct Recovery = 112% Analysis Date = 04/04/00 Pct Recovery = 112% Analysis Date = 04/04/00 Pct Recovery = 112% Analysis Date = 04/03/00 Pct Recovery = 112% Analysis Date = 04/03/00 Pct Recovery = 112% Analysis Date = 04/02/00 Pct Recovery = 111% Analysis Date = 04/02/00 Pct Recovery = 111% Analysis Date = 03/31/00 Pct Recovery = 111% Analysis Date = 03/31/00 Pct Recovery = 111% Analysis Date = 03/30/00 Pct Recovery = 111% Analysis Date = 03/30/00 Pct Recovery = 111% Analysis Date = 03/29/00 Pct Recovery = 110% Analysis Date = 03/29/00 Pct Recovery = 110% Analysis Date = 03/27/00 Pct Recovery = 110% Analysis Date = 03/27/00 Pct Recovery = 110% Analysis Date = 03/26/00 Pct Recovery = 109% Analysis Date = 03/26/00 Pct Recovery = 109% Analysis Date = 03/25/00 Pct Recovery = 109% Analysis Date = 03/25/00 Pct Recovery = 109% Analysis Date = 03/23/00 Pct Recovery = 109% Analysis Date = 03/23/00 Pct Recovery = 109% Analysis Date = 03/22/00 Pct Recovery = 108% Analysis Date = 03/22/00 Pct Recovery = 108% Analysis Date = 03/21/00 Pct Recovery = 108% Analysis Date = 03/21/00 Pct Recovery = 108% Analysis Date = 03/19/00 Pct Recovery = 108% Analysis Date = 03/19/00 Pct Recovery = 108% Analysis Date = 03/18/00 Pct Recovery = 107% Analysis Date = 03/18/00 Pct Recovery = 107% Analysis Date = 03/17/00 Pct Recovery = 107% Analysis Date = 03/17/00 Pct Recovery = 107% Analysis Date = 03/15/00 Pct Recovery = 107% Analysis Date = 03/15/00 Pct Recovery = 107% Analysis Date = 03/14/00 Pct Recovery = 106% Analysis Date = 03/14/00 Pct Recovery = 106% Analysis Date = 03/13/00 Pct Recovery = 106% Analysis Date = 03/13/00 Pct Recovery = 106% Analysis Date = 03/11/00 Pct Recovery = 106% Analysis Date = 03/11/00 Pct Recovery = 106% Analysis Date = 03/10/00 Pct Recovery = 105% Analysis Date = 03/10/00 Pct Recovery = 105% Analysis Date = 03/09/00 Pct Recovery = 105% Analysis Date = 03/09/00 Pct Recovery = 105% Analysis Date = 03/07/00 Pct Recovery = 105% Analysis Date = 03/07/00 Pct Recovery = 105% Analysis Date = 03/06/00 Pct Recovery = 104% Analysis Date = 03/06/00 Pct Recovery = 104% Analysis Date = 03/05/00 Pct Recovery = 104% Analysis Date = 03/05/00 Pct Recovery = 104% Analysis Date = 03/03/00 Pct Recovery = 104% Analysis Date = 03/03/00 Pct Recovery = 104% Analysis Date = 03/02/00 Pct Recovery = 103% Analysis Date = 03/02/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 03/01/00 Pct Recovery = 103% Analysis Date = 02/28/00 Pct Recovery = 102% Analysis Date = 02/28/00 Pct Recovery = 102% Analysis Date = 02/27/00 Pct Recovery = 102% Analysis Date = 02/27/00 Pct Recovery = 102% Analysis Date = 02/26/00 Pct Recovery = 102% Analysis Date = 02/26/00 Pct Recovery = 102% Analysis Date = 02/25/00 Pct Recovery = 101% Analysis Date = 02/25/00 Pct Recovery = 101% Analysis Date = 02/23/00 Pct Recovery = 101% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
DIBROMOMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 107% 8% 102% 8%
Total 5 107% 8% 102% 8%

Sample Statistics
DIBROMOMETHANE

Characteristic N % % Basis
Plotted 5 50% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 5 50% Spiked
Spiked 10 .  
False Negatives 0 0% 0 out of 10
Not Spiked 26 .  
False Positives 0 0% 0 out of 26

BQS OBSP Determination:
DICHLORODIFLUOROMETHANE
METHOD: 4054 , TESTIDCODE: 34668GCM66
Open Data Set

Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 212% Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 97% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 168% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 155% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 99% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 115% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 100% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 111% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 109% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 111% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 133% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 100% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 161% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 142% Analysis Date = 07/08/03 Pct Recovery = 140% Analysis Date = 07/02/03 Pct Recovery = 140% Analysis Date = 07/02/03 Pct Recovery = 140% Analysis Date = 06/26/03 Pct Recovery = 139% Analysis Date = 06/26/03 Pct Recovery = 139% Analysis Date = 06/20/03 Pct Recovery = 139% Analysis Date = 06/20/03 Pct Recovery = 139% Analysis Date = 06/14/03 Pct Recovery = 138% Analysis Date = 06/14/03 Pct Recovery = 138% Analysis Date = 06/08/03 Pct Recovery = 138% Analysis Date = 06/08/03 Pct Recovery = 138% Analysis Date = 06/02/03 Pct Recovery = 138% Analysis Date = 06/02/03 Pct Recovery = 138% Analysis Date = 05/26/03 Pct Recovery = 137% Analysis Date = 05/26/03 Pct Recovery = 137% Analysis Date = 05/20/03 Pct Recovery = 137% Analysis Date = 05/20/03 Pct Recovery = 137% Analysis Date = 05/14/03 Pct Recovery = 136% Analysis Date = 05/14/03 Pct Recovery = 136% Analysis Date = 05/08/03 Pct Recovery = 136% Analysis Date = 05/08/03 Pct Recovery = 136% Analysis Date = 05/02/03 Pct Recovery = 135% Analysis Date = 05/02/03 Pct Recovery = 135% Analysis Date = 04/26/03 Pct Recovery = 134% Analysis Date = 04/26/03 Pct Recovery = 134% Analysis Date = 04/19/03 Pct Recovery = 134% Analysis Date = 04/19/03 Pct Recovery = 134% Analysis Date = 04/13/03 Pct Recovery = 133% Analysis Date = 04/13/03 Pct Recovery = 133% Analysis Date = 04/07/03 Pct Recovery = 133% Analysis Date = 04/07/03 Pct Recovery = 133% Analysis Date = 04/01/03 Pct Recovery = 132% Analysis Date = 04/01/03 Pct Recovery = 132% Analysis Date = 03/26/03 Pct Recovery = 131% Analysis Date = 03/26/03 Pct Recovery = 131% Analysis Date = 03/20/03 Pct Recovery = 131% Analysis Date = 03/20/03 Pct Recovery = 131% Analysis Date = 03/14/03 Pct Recovery = 130% Analysis Date = 03/14/03 Pct Recovery = 130% Analysis Date = 03/07/03 Pct Recovery = 129% Analysis Date = 03/07/03 Pct Recovery = 129% Analysis Date = 03/01/03 Pct Recovery = 129% Analysis Date = 03/01/03 Pct Recovery = 129% Analysis Date = 02/23/03 Pct Recovery = 128% Analysis Date = 02/23/03 Pct Recovery = 128% Analysis Date = 02/17/03 Pct Recovery = 128% Analysis Date = 02/17/03 Pct Recovery = 128% Analysis Date = 02/11/03 Pct Recovery = 127% Analysis Date = 02/11/03 Pct Recovery = 127% Analysis Date = 02/05/03 Pct Recovery = 126% Analysis Date = 02/05/03 Pct Recovery = 126% Analysis Date = 01/29/03 Pct Recovery = 126% Analysis Date = 01/29/03 Pct Recovery = 126% Analysis Date = 01/23/03 Pct Recovery = 125% Analysis Date = 01/23/03 Pct Recovery = 125% Analysis Date = 01/17/03 Pct Recovery = 124% Analysis Date = 01/17/03 Pct Recovery = 124% Analysis Date = 01/11/03 Pct Recovery = 124% Analysis Date = 01/11/03 Pct Recovery = 124% Analysis Date = 01/05/03 Pct Recovery = 123% Analysis Date = 01/05/03 Pct Recovery = 123% Analysis Date = 12/30/02 Pct Recovery = 123% Analysis Date = 12/30/02 Pct Recovery = 123% Analysis Date = 12/23/02 Pct Recovery = 122% Analysis Date = 12/23/02 Pct Recovery = 122% Analysis Date = 12/17/02 Pct Recovery = 121% Analysis Date = 12/17/02 Pct Recovery = 121% Analysis Date = 12/11/02 Pct Recovery = 121% Analysis Date = 12/11/02 Pct Recovery = 121% Analysis Date = 12/05/02 Pct Recovery = 120% Analysis Date = 12/05/02 Pct Recovery = 120% Analysis Date = 11/29/02 Pct Recovery = 119% Analysis Date = 11/29/02 Pct Recovery = 119% Analysis Date = 11/23/02 Pct Recovery = 119% Analysis Date = 11/23/02 Pct Recovery = 119% Analysis Date = 11/17/02 Pct Recovery = 118% Analysis Date = 11/17/02 Pct Recovery = 118% Analysis Date = 11/10/02 Pct Recovery = 118% Analysis Date = 11/10/02 Pct Recovery = 118% Analysis Date = 11/04/02 Pct Recovery = 117% Analysis Date = 11/04/02 Pct Recovery = 117% Analysis Date = 10/29/02 Pct Recovery = 116% Analysis Date = 10/29/02 Pct Recovery = 116% Analysis Date = 10/23/02 Pct Recovery = 116% Analysis Date = 10/23/02 Pct Recovery = 116% Analysis Date = 10/17/02 Pct Recovery = 115% Analysis Date = 10/17/02 Pct Recovery = 115% Analysis Date = 10/11/02 Pct Recovery = 114% Analysis Date = 10/11/02 Pct Recovery = 114% Analysis Date = 10/04/02 Pct Recovery = 114% Analysis Date = 10/04/02 Pct Recovery = 114% Analysis Date = 09/28/02 Pct Recovery = 113% Analysis Date = 09/28/02 Pct Recovery = 113% Analysis Date = 09/22/02 Pct Recovery = 113% Analysis Date = 09/22/02 Pct Recovery = 113% Analysis Date = 09/16/02 Pct Recovery = 112% Analysis Date = 09/16/02 Pct Recovery = 112% Analysis Date = 09/10/02 Pct Recovery = 111% Analysis Date = 09/10/02 Pct Recovery = 111% Analysis Date = 09/04/02 Pct Recovery = 111% Analysis Date = 09/04/02 Pct Recovery = 111% Analysis Date = 08/29/02 Pct Recovery = 110% Analysis Date = 08/29/02 Pct Recovery = 110% Analysis Date = 08/22/02 Pct Recovery = 109% Analysis Date = 08/22/02 Pct Recovery = 109% Analysis Date = 08/16/02 Pct Recovery = 109% Analysis Date = 08/16/02 Pct Recovery = 109% Analysis Date = 08/10/02 Pct Recovery = 108% Analysis Date = 08/10/02 Pct Recovery = 108% Analysis Date = 08/04/02 Pct Recovery = 108% Analysis Date = 08/04/02 Pct Recovery = 108% Analysis Date = 07/29/02 Pct Recovery = 108% Analysis Date = 07/29/02 Pct Recovery = 108% Analysis Date = 07/23/02 Pct Recovery = 108% Analysis Date = 07/23/02 Pct Recovery = 108% Analysis Date = 07/16/02 Pct Recovery = 109% Analysis Date = 07/16/02 Pct Recovery = 109% Analysis Date = 07/10/02 Pct Recovery = 109% Analysis Date = 07/10/02 Pct Recovery = 109% Analysis Date = 07/04/02 Pct Recovery = 109% Analysis Date = 07/04/02 Pct Recovery = 109% Analysis Date = 06/28/02 Pct Recovery = 109% Analysis Date = 06/28/02 Pct Recovery = 109% Analysis Date = 06/22/02 Pct Recovery = 110% Analysis Date = 06/22/02 Pct Recovery = 110% Analysis Date = 06/16/02 Pct Recovery = 110% Analysis Date = 06/16/02 Pct Recovery = 110% Analysis Date = 06/09/02 Pct Recovery = 110% Analysis Date = 06/09/02 Pct Recovery = 110% Analysis Date = 06/03/02 Pct Recovery = 110% Analysis Date = 06/03/02 Pct Recovery = 110% Analysis Date = 05/28/02 Pct Recovery = 110% Analysis Date = 05/28/02 Pct Recovery = 110% Analysis Date = 05/22/02 Pct Recovery = 110% Analysis Date = 05/22/02 Pct Recovery = 110% Analysis Date = 05/16/02 Pct Recovery = 110% Analysis Date = 05/16/02 Pct Recovery = 110% Analysis Date = 05/10/02 Pct Recovery = 110% Analysis Date = 05/10/02 Pct Recovery = 110% Analysis Date = 05/04/02 Pct Recovery = 110% Analysis Date = 05/04/02 Pct Recovery = 110% Analysis Date = 04/27/02 Pct Recovery = 110% Analysis Date = 04/27/02 Pct Recovery = 110% Analysis Date = 04/21/02 Pct Recovery = 110% Analysis Date = 04/21/02 Pct Recovery = 110% Analysis Date = 04/15/02 Pct Recovery = 110% Analysis Date = 04/15/02 Pct Recovery = 110% Analysis Date = 04/09/02 Pct Recovery = 110% Analysis Date = 04/09/02 Pct Recovery = 110% Analysis Date = 04/03/02 Pct Recovery = 110% Analysis Date = 04/03/02 Pct Recovery = 110% Analysis Date = 03/28/02 Pct Recovery = 110% Analysis Date = 03/28/02 Pct Recovery = 110% Analysis Date = 03/21/02 Pct Recovery = 110% Analysis Date = 03/21/02 Pct Recovery = 110% Analysis Date = 03/15/02 Pct Recovery = 110% Analysis Date = 03/15/02 Pct Recovery = 110% Analysis Date = 03/09/02 Pct Recovery = 110% Analysis Date = 03/09/02 Pct Recovery = 110% Analysis Date = 03/03/02 Pct Recovery = 110% Analysis Date = 03/03/02 Pct Recovery = 110% Analysis Date = 02/25/02 Pct Recovery = 110% Analysis Date = 02/25/02 Pct Recovery = 110% Analysis Date = 02/19/02 Pct Recovery = 110% Analysis Date = 02/19/02 Pct Recovery = 110% Analysis Date = 02/13/02 Pct Recovery = 110% Analysis Date = 02/13/02 Pct Recovery = 110% Analysis Date = 02/06/02 Pct Recovery = 110% Analysis Date = 02/06/02 Pct Recovery = 110% Analysis Date = 01/31/02 Pct Recovery = 110% Analysis Date = 01/31/02 Pct Recovery = 110% Analysis Date = 01/25/02 Pct Recovery = 110% Analysis Date = 01/25/02 Pct Recovery = 110% Analysis Date = 01/19/02 Pct Recovery = 110% Analysis Date = 01/19/02 Pct Recovery = 110% Analysis Date = 01/13/02 Pct Recovery = 110% Analysis Date = 01/13/02 Pct Recovery = 110% Analysis Date = 01/07/02 Pct Recovery = 110% Analysis Date = 01/07/02 Pct Recovery = 110% Analysis Date = 12/31/01 Pct Recovery = 110% Analysis Date = 12/31/01 Pct Recovery = 110% Analysis Date = 12/25/01 Pct Recovery = 110% Analysis Date = 12/25/01 Pct Recovery = 110% Analysis Date = 12/19/01 Pct Recovery = 111% Analysis Date = 12/19/01 Pct Recovery = 111% Analysis Date = 12/13/01 Pct Recovery = 111% Analysis Date = 12/13/01 Pct Recovery = 111% Analysis Date = 12/07/01 Pct Recovery = 111% Analysis Date = 12/07/01 Pct Recovery = 111% Analysis Date = 12/01/01 Pct Recovery = 111% Analysis Date = 12/01/01 Pct Recovery = 111% Analysis Date = 11/24/01 Pct Recovery = 111% Analysis Date = 11/24/01 Pct Recovery = 111% Analysis Date = 11/18/01 Pct Recovery = 111% Analysis Date = 11/18/01 Pct Recovery = 111% Analysis Date = 11/12/01 Pct Recovery = 111% Analysis Date = 11/12/01 Pct Recovery = 111% Analysis Date = 11/06/01 Pct Recovery = 111% Analysis Date = 11/06/01 Pct Recovery = 111% Analysis Date = 10/31/01 Pct Recovery = 111% Analysis Date = 10/31/01 Pct Recovery = 111% Analysis Date = 10/25/01 Pct Recovery = 111% Analysis Date = 10/25/01 Pct Recovery = 111% Analysis Date = 10/19/01 Pct Recovery = 111% Analysis Date = 10/19/01 Pct Recovery = 111% Analysis Date = 10/12/01 Pct Recovery = 111% Analysis Date = 10/12/01 Pct Recovery = 111% Analysis Date = 10/06/01 Pct Recovery = 112% Analysis Date = 10/06/01 Pct Recovery = 112% Analysis Date = 09/30/01 Pct Recovery = 112% Analysis Date = 09/30/01 Pct Recovery = 112% Analysis Date = 09/24/01 Pct Recovery = 112% Analysis Date = 09/24/01 Pct Recovery = 112% Analysis Date = 09/18/01 Pct Recovery = 112% Analysis Date = 09/18/01 Pct Recovery = 112% Analysis Date = 09/12/01 Pct Recovery = 112% Analysis Date = 09/12/01 Pct Recovery = 112% Analysis Date = 09/05/01 Pct Recovery = 112% Analysis Date = 09/05/01 Pct Recovery = 112% Analysis Date = 08/30/01 Pct Recovery = 112% Analysis Date = 08/30/01 Pct Recovery = 112% Analysis Date = 08/24/01 Pct Recovery = 112% Analysis Date = 08/24/01 Pct Recovery = 112% Analysis Date = 08/18/01 Pct Recovery = 112% Analysis Date = 08/18/01 Pct Recovery = 112% Analysis Date = 08/12/01 Pct Recovery = 112% Analysis Date = 08/12/01 Pct Recovery = 112% Analysis Date = 08/06/01 Pct Recovery = 112% Analysis Date = 08/06/01 Pct Recovery = 112% Analysis Date = 07/30/01 Pct Recovery = 112% Analysis Date = 07/30/01 Pct Recovery = 112% Analysis Date = 07/24/01 Pct Recovery = 113% Analysis Date = 07/24/01 Pct Recovery = 113% Analysis Date = 07/18/01 Pct Recovery = 113% Analysis Date = 07/18/01 Pct Recovery = 113% Analysis Date = 07/12/01 Pct Recovery = 113% Analysis Date = 07/12/01 Pct Recovery = 113% Analysis Date = 07/06/01 Pct Recovery = 113% Analysis Date = 07/06/01 Pct Recovery = 113% Analysis Date = 06/30/01 Pct Recovery = 113% Analysis Date = 06/30/01 Pct Recovery = 113% Analysis Date = 06/24/01 Pct Recovery = 113% Analysis Date = 06/24/01 Pct Recovery = 113% Analysis Date = 06/17/01 Pct Recovery = 113% Analysis Date = 06/17/01 Pct Recovery = 113% Analysis Date = 06/11/01 Pct Recovery = 113% Analysis Date = 06/11/01 Pct Recovery = 113% Analysis Date = 06/05/01 Pct Recovery = 113% Analysis Date = 06/05/01 Pct Recovery = 113% Analysis Date = 05/30/01 Pct Recovery = 113% Analysis Date = 05/30/01 Pct Recovery = 113% Analysis Date = 05/24/01 Pct Recovery = 113% Analysis Date = 05/24/01 Pct Recovery = 113% Analysis Date = 05/18/01 Pct Recovery = 113% Analysis Date = 05/18/01 Pct Recovery = 113% Analysis Date = 05/11/01 Pct Recovery = 113% Analysis Date = 05/11/01 Pct Recovery = 113% Analysis Date = 05/05/01 Pct Recovery = 114% Analysis Date = 05/05/01 Pct Recovery = 114% Analysis Date = 04/29/01 Pct Recovery = 114% Analysis Date = 04/29/01 Pct Recovery = 114% Analysis Date = 04/23/01 Pct Recovery = 114% Analysis Date = 04/23/01 Pct Recovery = 114% Analysis Date = 04/17/01 Pct Recovery = 114% Analysis Date = 04/17/01 Pct Recovery = 114% Analysis Date = 04/11/01 Pct Recovery = 114% Analysis Date = 04/11/01 Pct Recovery = 114% Analysis Date = 04/05/01 Pct Recovery = 114% Analysis Date = 04/05/01 Pct Recovery = 114% Analysis Date = 03/29/01 Pct Recovery = 114% Analysis Date = 03/29/01 Pct Recovery = 114% Analysis Date = 03/23/01 Pct Recovery = 114% Analysis Date = 03/23/01 Pct Recovery = 114% Analysis Date = 03/17/01 Pct Recovery = 114% Analysis Date = 03/17/01 Pct Recovery = 114% Analysis Date = 03/11/01 Pct Recovery = 114% Analysis Date = 03/11/01 Pct Recovery = 114% Analysis Date = 03/05/01 Pct Recovery = 114% Analysis Date = 03/05/01 Pct Recovery = 114% Analysis Date = 02/27/01 Pct Recovery = 114% Analysis Date = 02/27/01 Pct Recovery = 114% Analysis Date = 02/20/01 Pct Recovery = 115% Analysis Date = 02/20/01 Pct Recovery = 115% Analysis Date = 02/14/01 Pct Recovery = 115% Analysis Date = 02/14/01 Pct Recovery = 115% Analysis Date = 02/08/01 Pct Recovery = 115% Analysis Date = 02/08/01 Pct Recovery = 115% Analysis Date = 02/02/01 Pct Recovery = 115% Analysis Date = 02/02/01 Pct Recovery = 115% Analysis Date = 01/27/01 Pct Recovery = 115% Analysis Date = 01/27/01 Pct Recovery = 115% Analysis Date = 01/21/01 Pct Recovery = 115% Analysis Date = 01/21/01 Pct Recovery = 115% Analysis Date = 01/14/01 Pct Recovery = 115% Analysis Date = 01/14/01 Pct Recovery = 115% Analysis Date = 01/08/01 Pct Recovery = 115% Analysis Date = 01/08/01 Pct Recovery = 115% Analysis Date = 01/02/01 Pct Recovery = 115% Analysis Date = 01/02/01 Pct Recovery = 115% Analysis Date = 12/27/00 Pct Recovery = 115% Analysis Date = 12/27/00 Pct Recovery = 115% Analysis Date = 12/21/00 Pct Recovery = 115% Analysis Date = 12/21/00 Pct Recovery = 115% Analysis Date = 12/15/00 Pct Recovery = 115% Analysis Date = 12/15/00 Pct Recovery = 115% Analysis Date = 12/09/00 Pct Recovery = 116% Analysis Date = 12/09/00 Pct Recovery = 116% Analysis Date = 12/02/00 Pct Recovery = 116% Analysis Date = 12/02/00 Pct Recovery = 116% Analysis Date = 11/26/00 Pct Recovery = 116% Analysis Date = 11/26/00 Pct Recovery = 116% Analysis Date = 11/20/00 Pct Recovery = 116% Analysis Date = 11/20/00 Pct Recovery = 116% Analysis Date = 11/14/00 Pct Recovery = 116% Analysis Date = 11/14/00 Pct Recovery = 116% Analysis Date = 11/08/00 Pct Recovery = 117% Analysis Date = 11/08/00 Pct Recovery = 117% Analysis Date = 11/02/00 Pct Recovery = 119% Analysis Date = 11/02/00 Pct Recovery = 119% Analysis Date = 10/26/00 Pct Recovery = 120% Analysis Date = 10/26/00 Pct Recovery = 120% Analysis Date = 10/20/00 Pct Recovery = 122% Analysis Date = 10/20/00 Pct Recovery = 122% Analysis Date = 10/14/00 Pct Recovery = 123% Analysis Date = 10/14/00 Pct Recovery = 123% Analysis Date = 10/08/00 Pct Recovery = 124% Analysis Date = 10/08/00 Pct Recovery = 124% Analysis Date = 10/02/00 Pct Recovery = 126% Analysis Date = 10/02/00 Pct Recovery = 126% Analysis Date = 09/26/00 Pct Recovery = 127% Analysis Date = 09/26/00 Pct Recovery = 127% Analysis Date = 09/20/00 Pct Recovery = 128% Analysis Date = 09/20/00 Pct Recovery = 128% Analysis Date = 09/13/00 Pct Recovery = 130% Analysis Date = 09/13/00 Pct Recovery = 130% Analysis Date = 09/07/00 Pct Recovery = 131% Analysis Date = 09/07/00 Pct Recovery = 131% Analysis Date = 09/01/00 Pct Recovery = 133% Analysis Date = 09/01/00 Pct Recovery = 133% Analysis Date = 08/26/00 Pct Recovery = 134% Analysis Date = 08/26/00 Pct Recovery = 134% Analysis Date = 08/20/00 Pct Recovery = 135% Analysis Date = 08/20/00 Pct Recovery = 135% Analysis Date = 08/14/00 Pct Recovery = 137% Analysis Date = 08/14/00 Pct Recovery = 137% Analysis Date = 08/07/00 Pct Recovery = 138% Analysis Date = 08/07/00 Pct Recovery = 138% Analysis Date = 08/01/00 Pct Recovery = 139% Analysis Date = 08/01/00 Pct Recovery = 139% Analysis Date = 07/26/00 Pct Recovery = 141% Analysis Date = 07/26/00 Pct Recovery = 141% Analysis Date = 07/20/00 Pct Recovery = 142% Analysis Date = 07/20/00 Pct Recovery = 142% Analysis Date = 07/14/00 Pct Recovery = 143% Analysis Date = 07/14/00 Pct Recovery = 143% Analysis Date = 07/08/00 Pct Recovery = 145% Analysis Date = 07/08/00 Pct Recovery = 145% Analysis Date = 07/01/00 Pct Recovery = 146% Analysis Date = 07/01/00 Pct Recovery = 146% Analysis Date = 06/25/00 Pct Recovery = 148% Analysis Date = 06/25/00 Pct Recovery = 148% Analysis Date = 06/19/00 Pct Recovery = 149% Analysis Date = 06/19/00 Pct Recovery = 149% Analysis Date = 06/13/00 Pct Recovery = 150% Analysis Date = 06/13/00 Pct Recovery = 150% Analysis Date = 06/07/00 Pct Recovery = 152% Analysis Date = 06/07/00 Pct Recovery = 152% Analysis Date = 06/01/00 Pct Recovery = 153% Analysis Date = 06/01/00 Pct Recovery = 153% Analysis Date = 05/26/00 Pct Recovery = 155% Analysis Date = 05/26/00 Pct Recovery = 155% Analysis Date = 05/19/00 Pct Recovery = 156% Analysis Date = 05/19/00 Pct Recovery = 156% Analysis Date = 05/13/00 Pct Recovery = 157% Analysis Date = 05/13/00 Pct Recovery = 157% Analysis Date = 05/07/00 Pct Recovery = 159% Analysis Date = 05/07/00 Pct Recovery = 159% Analysis Date = 05/01/00 Pct Recovery = 160% Analysis Date = 05/01/00 Pct Recovery = 160% Analysis Date = 04/25/00 Pct Recovery = 162% Analysis Date = 04/25/00 Pct Recovery = 162% Analysis Date = 04/19/00 Pct Recovery = 163% Analysis Date = 04/19/00 Pct Recovery = 163% Analysis Date = 04/12/00 Pct Recovery = 165% Analysis Date = 04/12/00 Pct Recovery = 165% Analysis Date = 04/06/00 Pct Recovery = 166% Analysis Date = 04/06/00 Pct Recovery = 166% Analysis Date = 03/31/00 Pct Recovery = 167% Analysis Date = 03/31/00 Pct Recovery = 167% Analysis Date = 03/25/00 Pct Recovery = 169% Analysis Date = 03/25/00 Pct Recovery = 169% Analysis Date = 03/19/00 Pct Recovery = 170% Analysis Date = 03/19/00 Pct Recovery = 170% Analysis Date = 03/13/00 Pct Recovery = 172% Analysis Date = 03/13/00 Pct Recovery = 172% Analysis Date = 03/06/00 Pct Recovery = 173% Analysis Date = 03/06/00 Pct Recovery = 173% Analysis Date = 02/29/00 Pct Recovery = 175% Analysis Date = 02/29/00 Pct Recovery = 175% Analysis Date = 02/23/00 Pct Recovery = 176% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
DICHLORODIFLUOROMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 14 130% 34% 113% 41%
Total 14 130% 34% 113% 41%

Sample Statistics
DICHLORODIFLUOROMETHANE

Characteristic N % % Basis
Plotted 14 100% Spiked
Estimated Values 14 100% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 14 .  
False Negatives 0 0% 0 out of 14
Not Spiked 22 .  
False Positives 0 0% 0 out of 22

BQS OBSP Determination:
DICHLOROMETHANE
METHOD: 4054 , TESTIDCODE: 34423GCM66
Open Data Set

Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 222% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 303% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 107% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 111% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 103% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 102% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 102% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 109% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 102% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 101% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 102% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 105% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 114% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 118% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 113% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 106% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 124% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 113% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 117% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 102% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 99% Analysis Date = 10/03/03 Pct Recovery = 106% Analysis Date = 09/27/03 Pct Recovery = 107% Analysis Date = 09/27/03 Pct Recovery = 107% Analysis Date = 09/20/03 Pct Recovery = 107% Analysis Date = 09/20/03 Pct Recovery = 107% Analysis Date = 09/13/03 Pct Recovery = 107% Analysis Date = 09/13/03 Pct Recovery = 107% Analysis Date = 09/06/03 Pct Recovery = 107% Analysis Date = 09/06/03 Pct Recovery = 107% Analysis Date = 08/30/03 Pct Recovery = 107% Analysis Date = 08/30/03 Pct Recovery = 107% Analysis Date = 08/24/03 Pct Recovery = 107% Analysis Date = 08/24/03 Pct Recovery = 107% Analysis Date = 08/17/03 Pct Recovery = 107% Analysis Date = 08/17/03 Pct Recovery = 107% Analysis Date = 08/10/03 Pct Recovery = 107% Analysis Date = 08/10/03 Pct Recovery = 107% Analysis Date = 08/03/03 Pct Recovery = 107% Analysis Date = 08/03/03 Pct Recovery = 107% Analysis Date = 07/27/03 Pct Recovery = 107% Analysis Date = 07/27/03 Pct Recovery = 107% Analysis Date = 07/21/03 Pct Recovery = 107% Analysis Date = 07/21/03 Pct Recovery = 107% Analysis Date = 07/14/03 Pct Recovery = 107% Analysis Date = 07/14/03 Pct Recovery = 107% Analysis Date = 07/07/03 Pct Recovery = 107% Analysis Date = 07/07/03 Pct Recovery = 107% Analysis Date = 06/30/03 Pct Recovery = 107% Analysis Date = 06/30/03 Pct Recovery = 107% Analysis Date = 06/23/03 Pct Recovery = 107% Analysis Date = 06/23/03 Pct Recovery = 107% Analysis Date = 06/17/03 Pct Recovery = 107% Analysis Date = 06/17/03 Pct Recovery = 107% Analysis Date = 06/10/03 Pct Recovery = 107% Analysis Date = 06/10/03 Pct Recovery = 107% Analysis Date = 06/03/03 Pct Recovery = 107% Analysis Date = 06/03/03 Pct Recovery = 107% Analysis Date = 05/27/03 Pct Recovery = 107% Analysis Date = 05/27/03 Pct Recovery = 107% Analysis Date = 05/20/03 Pct Recovery = 107% Analysis Date = 05/20/03 Pct Recovery = 107% Analysis Date = 05/14/03 Pct Recovery = 107% Analysis Date = 05/14/03 Pct Recovery = 107% Analysis Date = 05/07/03 Pct Recovery = 107% Analysis Date = 05/07/03 Pct Recovery = 107% Analysis Date = 04/30/03 Pct Recovery = 107% Analysis Date = 04/30/03 Pct Recovery = 107% Analysis Date = 04/23/03 Pct Recovery = 107% Analysis Date = 04/23/03 Pct Recovery = 107% Analysis Date = 04/16/03 Pct Recovery = 107% Analysis Date = 04/16/03 Pct Recovery = 107% Analysis Date = 04/10/03 Pct Recovery = 107% Analysis Date = 04/10/03 Pct Recovery = 107% Analysis Date = 04/03/03 Pct Recovery = 107% Analysis Date = 04/03/03 Pct Recovery = 107% Analysis Date = 03/27/03 Pct Recovery = 107% Analysis Date = 03/27/03 Pct Recovery = 107% Analysis Date = 03/20/03 Pct Recovery = 107% Analysis Date = 03/20/03 Pct Recovery = 107% Analysis Date = 03/13/03 Pct Recovery = 107% Analysis Date = 03/13/03 Pct Recovery = 107% Analysis Date = 03/06/03 Pct Recovery = 107% Analysis Date = 03/06/03 Pct Recovery = 107% Analysis Date = 02/28/03 Pct Recovery = 107% Analysis Date = 02/28/03 Pct Recovery = 107% Analysis Date = 02/21/03 Pct Recovery = 107% Analysis Date = 02/21/03 Pct Recovery = 107% Analysis Date = 02/14/03 Pct Recovery = 107% Analysis Date = 02/14/03 Pct Recovery = 107% Analysis Date = 02/07/03 Pct Recovery = 107% Analysis Date = 02/07/03 Pct Recovery = 107% Analysis Date = 01/31/03 Pct Recovery = 107% Analysis Date = 01/31/03 Pct Recovery = 107% Analysis Date = 01/25/03 Pct Recovery = 107% Analysis Date = 01/25/03 Pct Recovery = 107% Analysis Date = 01/18/03 Pct Recovery = 107% Analysis Date = 01/18/03 Pct Recovery = 107% Analysis Date = 01/11/03 Pct Recovery = 107% Analysis Date = 01/11/03 Pct Recovery = 107% Analysis Date = 01/04/03 Pct Recovery = 107% Analysis Date = 01/04/03 Pct Recovery = 107% Analysis Date = 12/28/02 Pct Recovery = 107% Analysis Date = 12/28/02 Pct Recovery = 107% Analysis Date = 12/22/02 Pct Recovery = 107% Analysis Date = 12/22/02 Pct Recovery = 107% Analysis Date = 12/15/02 Pct Recovery = 107% Analysis Date = 12/15/02 Pct Recovery = 107% Analysis Date = 12/08/02 Pct Recovery = 107% Analysis Date = 12/08/02 Pct Recovery = 107% Analysis Date = 12/01/02 Pct Recovery = 107% Analysis Date = 12/01/02 Pct Recovery = 107% Analysis Date = 11/24/02 Pct Recovery = 107% Analysis Date = 11/24/02 Pct Recovery = 107% Analysis Date = 11/18/02 Pct Recovery = 107% Analysis Date = 11/18/02 Pct Recovery = 107% Analysis Date = 11/11/02 Pct Recovery = 107% Analysis Date = 11/11/02 Pct Recovery = 107% Analysis Date = 11/04/02 Pct Recovery = 107% Analysis Date = 11/04/02 Pct Recovery = 107% Analysis Date = 10/28/02 Pct Recovery = 107% Analysis Date = 10/28/02 Pct Recovery = 107% Analysis Date = 10/21/02 Pct Recovery = 107% Analysis Date = 10/21/02 Pct Recovery = 107% Analysis Date = 10/15/02 Pct Recovery = 107% Analysis Date = 10/15/02 Pct Recovery = 107% Analysis Date = 10/08/02 Pct Recovery = 107% Analysis Date = 10/08/02 Pct Recovery = 107% Analysis Date = 10/01/02 Pct Recovery = 107% Analysis Date = 10/01/02 Pct Recovery = 107% Analysis Date = 09/24/02 Pct Recovery = 107% Analysis Date = 09/24/02 Pct Recovery = 107% Analysis Date = 09/17/02 Pct Recovery = 107% Analysis Date = 09/17/02 Pct Recovery = 107% Analysis Date = 09/11/02 Pct Recovery = 107% Analysis Date = 09/11/02 Pct Recovery = 107% Analysis Date = 09/04/02 Pct Recovery = 107% Analysis Date = 09/04/02 Pct Recovery = 107% Analysis Date = 08/28/02 Pct Recovery = 107% Analysis Date = 08/28/02 Pct Recovery = 107% Analysis Date = 08/21/02 Pct Recovery = 107% Analysis Date = 08/21/02 Pct Recovery = 107% Analysis Date = 08/14/02 Pct Recovery = 107% Analysis Date = 08/14/02 Pct Recovery = 107% Analysis Date = 08/07/02 Pct Recovery = 107% Analysis Date = 08/07/02 Pct Recovery = 107% Analysis Date = 08/01/02 Pct Recovery = 107% Analysis Date = 08/01/02 Pct Recovery = 107% Analysis Date = 07/25/02 Pct Recovery = 107% Analysis Date = 07/25/02 Pct Recovery = 107% Analysis Date = 07/18/02 Pct Recovery = 107% Analysis Date = 07/18/02 Pct Recovery = 107% Analysis Date = 07/11/02 Pct Recovery = 107% Analysis Date = 07/11/02 Pct Recovery = 107% Analysis Date = 07/04/02 Pct Recovery = 107% Analysis Date = 07/04/02 Pct Recovery = 107% Analysis Date = 06/28/02 Pct Recovery = 107% Analysis Date = 06/28/02 Pct Recovery = 107% Analysis Date = 06/21/02 Pct Recovery = 107% Analysis Date = 06/21/02 Pct Recovery = 107% Analysis Date = 06/14/02 Pct Recovery = 107% Analysis Date = 06/14/02 Pct Recovery = 107% Analysis Date = 06/07/02 Pct Recovery = 107% Analysis Date = 06/07/02 Pct Recovery = 107% Analysis Date = 05/31/02 Pct Recovery = 107% Analysis Date = 05/31/02 Pct Recovery = 107% Analysis Date = 05/25/02 Pct Recovery = 107% Analysis Date = 05/25/02 Pct Recovery = 107% Analysis Date = 05/18/02 Pct Recovery = 107% Analysis Date = 05/18/02 Pct Recovery = 107% Analysis Date = 05/11/02 Pct Recovery = 107% Analysis Date = 05/11/02 Pct Recovery = 107% Analysis Date = 05/04/02 Pct Recovery = 107% Analysis Date = 05/04/02 Pct Recovery = 107% Analysis Date = 04/27/02 Pct Recovery = 107% Analysis Date = 04/27/02 Pct Recovery = 107% Analysis Date = 04/21/02 Pct Recovery = 107% Analysis Date = 04/21/02 Pct Recovery = 107% Analysis Date = 04/14/02 Pct Recovery = 107% Analysis Date = 04/14/02 Pct Recovery = 107% Analysis Date = 04/07/02 Pct Recovery = 107% Analysis Date = 04/07/02 Pct Recovery = 107% Analysis Date = 03/31/02 Pct Recovery = 107% Analysis Date = 03/31/02 Pct Recovery = 107% Analysis Date = 03/24/02 Pct Recovery = 107% Analysis Date = 03/24/02 Pct Recovery = 107% Analysis Date = 03/18/02 Pct Recovery = 107% Analysis Date = 03/18/02 Pct Recovery = 107% Analysis Date = 03/11/02 Pct Recovery = 107% Analysis Date = 03/11/02 Pct Recovery = 107% Analysis Date = 03/04/02 Pct Recovery = 107% Analysis Date = 03/04/02 Pct Recovery = 107% Analysis Date = 02/25/02 Pct Recovery = 107% Analysis Date = 02/25/02 Pct Recovery = 107% Analysis Date = 02/18/02 Pct Recovery = 107% Analysis Date = 02/18/02 Pct Recovery = 107% Analysis Date = 02/11/02 Pct Recovery = 107% Analysis Date = 02/11/02 Pct Recovery = 107% Analysis Date = 02/05/02 Pct Recovery = 107% Analysis Date = 02/05/02 Pct Recovery = 107% Analysis Date = 01/29/02 Pct Recovery = 107% Analysis Date = 01/29/02 Pct Recovery = 107% Analysis Date = 01/22/02 Pct Recovery = 107% Analysis Date = 01/22/02 Pct Recovery = 107% Analysis Date = 01/15/02 Pct Recovery = 107% Analysis Date = 01/15/02 Pct Recovery = 107% Analysis Date = 01/08/02 Pct Recovery = 107% Analysis Date = 01/08/02 Pct Recovery = 107% Analysis Date = 01/02/02 Pct Recovery = 107% Analysis Date = 01/02/02 Pct Recovery = 107% Analysis Date = 12/26/01 Pct Recovery = 107% Analysis Date = 12/26/01 Pct Recovery = 107% Analysis Date = 12/19/01 Pct Recovery = 107% Analysis Date = 12/19/01 Pct Recovery = 107% Analysis Date = 12/12/01 Pct Recovery = 107% Analysis Date = 12/12/01 Pct Recovery = 107% Analysis Date = 12/05/01 Pct Recovery = 107% Analysis Date = 12/05/01 Pct Recovery = 107% Analysis Date = 11/29/01 Pct Recovery = 107% Analysis Date = 11/29/01 Pct Recovery = 107% Analysis Date = 11/22/01 Pct Recovery = 107% Analysis Date = 11/22/01 Pct Recovery = 107% Analysis Date = 11/15/01 Pct Recovery = 107% Analysis Date = 11/15/01 Pct Recovery = 107% Analysis Date = 11/08/01 Pct Recovery = 107% Analysis Date = 11/08/01 Pct Recovery = 107% Analysis Date = 11/01/01 Pct Recovery = 107% Analysis Date = 11/01/01 Pct Recovery = 107% Analysis Date = 10/26/01 Pct Recovery = 107% Analysis Date = 10/26/01 Pct Recovery = 107% Analysis Date = 10/19/01 Pct Recovery = 107% Analysis Date = 10/19/01 Pct Recovery = 107% Analysis Date = 10/12/01 Pct Recovery = 107% Analysis Date = 10/12/01 Pct Recovery = 107% Analysis Date = 10/05/01 Pct Recovery = 107% Analysis Date = 10/05/01 Pct Recovery = 107% Analysis Date = 09/28/01 Pct Recovery = 107% Analysis Date = 09/28/01 Pct Recovery = 107% Analysis Date = 09/22/01 Pct Recovery = 107% Analysis Date = 09/22/01 Pct Recovery = 107% Analysis Date = 09/15/01 Pct Recovery = 107% Analysis Date = 09/15/01 Pct Recovery = 107% Analysis Date = 09/08/01 Pct Recovery = 107% Analysis Date = 09/08/01 Pct Recovery = 107% Analysis Date = 09/01/01 Pct Recovery = 107% Analysis Date = 09/01/01 Pct Recovery = 107% Analysis Date = 08/25/01 Pct Recovery = 107% Analysis Date = 08/25/01 Pct Recovery = 107% Analysis Date = 08/19/01 Pct Recovery = 107% Analysis Date = 08/19/01 Pct Recovery = 107% Analysis Date = 08/12/01 Pct Recovery = 107% Analysis Date = 08/12/01 Pct Recovery = 107% Analysis Date = 08/05/01 Pct Recovery = 107% Analysis Date = 08/05/01 Pct Recovery = 107% Analysis Date = 07/29/01 Pct Recovery = 108% Analysis Date = 07/29/01 Pct Recovery = 108% Analysis Date = 07/22/01 Pct Recovery = 108% Analysis Date = 07/22/01 Pct Recovery = 108% Analysis Date = 07/15/01 Pct Recovery = 108% Analysis Date = 07/15/01 Pct Recovery = 108% Analysis Date = 07/09/01 Pct Recovery = 108% Analysis Date = 07/09/01 Pct Recovery = 108% Analysis Date = 07/02/01 Pct Recovery = 108% Analysis Date = 07/02/01 Pct Recovery = 108% Analysis Date = 06/25/01 Pct Recovery = 108% Analysis Date = 06/25/01 Pct Recovery = 108% Analysis Date = 06/18/01 Pct Recovery = 108% Analysis Date = 06/18/01 Pct Recovery = 108% Analysis Date = 06/11/01 Pct Recovery = 108% Analysis Date = 06/11/01 Pct Recovery = 108% Analysis Date = 06/05/01 Pct Recovery = 108% Analysis Date = 06/05/01 Pct Recovery = 108% Analysis Date = 05/29/01 Pct Recovery = 109% Analysis Date = 05/29/01 Pct Recovery = 109% Analysis Date = 05/22/01 Pct Recovery = 109% Analysis Date = 05/22/01 Pct Recovery = 109% Analysis Date = 05/15/01 Pct Recovery = 109% Analysis Date = 05/15/01 Pct Recovery = 109% Analysis Date = 05/08/01 Pct Recovery = 109% Analysis Date = 05/08/01 Pct Recovery = 109% Analysis Date = 05/02/01 Pct Recovery = 109% Analysis Date = 05/02/01 Pct Recovery = 109% Analysis Date = 04/25/01 Pct Recovery = 109% Analysis Date = 04/25/01 Pct Recovery = 109% Analysis Date = 04/18/01 Pct Recovery = 109% Analysis Date = 04/18/01 Pct Recovery = 109% Analysis Date = 04/11/01 Pct Recovery = 109% Analysis Date = 04/11/01 Pct Recovery = 109% Analysis Date = 04/04/01 Pct Recovery = 109% Analysis Date = 04/04/01 Pct Recovery = 109% Analysis Date = 03/29/01 Pct Recovery = 110% Analysis Date = 03/29/01 Pct Recovery = 110% Analysis Date = 03/22/01 Pct Recovery = 110% Analysis Date = 03/22/01 Pct Recovery = 110% Analysis Date = 03/15/01 Pct Recovery = 110% Analysis Date = 03/15/01 Pct Recovery = 110% Analysis Date = 03/08/01 Pct Recovery = 110% Analysis Date = 03/08/01 Pct Recovery = 110% Analysis Date = 03/01/01 Pct Recovery = 110% Analysis Date = 03/01/01 Pct Recovery = 110% Analysis Date = 02/23/01 Pct Recovery = 110% Analysis Date = 02/23/01 Pct Recovery = 110% Analysis Date = 02/16/01 Pct Recovery = 110% Analysis Date = 02/16/01 Pct Recovery = 110% Analysis Date = 02/09/01 Pct Recovery = 110% Analysis Date = 02/09/01 Pct Recovery = 110% Analysis Date = 02/02/01 Pct Recovery = 111% Analysis Date = 02/02/01 Pct Recovery = 111% Analysis Date = 01/26/01 Pct Recovery = 111% Analysis Date = 01/26/01 Pct Recovery = 111% Analysis Date = 01/19/01 Pct Recovery = 111% Analysis Date = 01/19/01 Pct Recovery = 111% Analysis Date = 01/13/01 Pct Recovery = 111% Analysis Date = 01/13/01 Pct Recovery = 111% Analysis Date = 01/06/01 Pct Recovery = 111% Analysis Date = 01/06/01 Pct Recovery = 111% Analysis Date = 12/30/00 Pct Recovery = 111% Analysis Date = 12/30/00 Pct Recovery = 111% Analysis Date = 12/23/00 Pct Recovery = 111% Analysis Date = 12/23/00 Pct Recovery = 111% Analysis Date = 12/16/00 Pct Recovery = 112% Analysis Date = 12/16/00 Pct Recovery = 112% Analysis Date = 12/10/00 Pct Recovery = 112% Analysis Date = 12/10/00 Pct Recovery = 112% Analysis Date = 12/03/00 Pct Recovery = 112% Analysis Date = 12/03/00 Pct Recovery = 112% Analysis Date = 11/26/00 Pct Recovery = 112% Analysis Date = 11/26/00 Pct Recovery = 112% Analysis Date = 11/19/00 Pct Recovery = 112% Analysis Date = 11/19/00 Pct Recovery = 112% Analysis Date = 11/12/00 Pct Recovery = 112% Analysis Date = 11/12/00 Pct Recovery = 112% Analysis Date = 11/06/00 Pct Recovery = 112% Analysis Date = 11/06/00 Pct Recovery = 112% Analysis Date = 10/30/00 Pct Recovery = 112% Analysis Date = 10/30/00 Pct Recovery = 112% Analysis Date = 10/23/00 Pct Recovery = 113% Analysis Date = 10/23/00 Pct Recovery = 113% Analysis Date = 10/16/00 Pct Recovery = 113% Analysis Date = 10/16/00 Pct Recovery = 113% Analysis Date = 10/09/00 Pct Recovery = 113% Analysis Date = 10/09/00 Pct Recovery = 113% Analysis Date = 10/03/00 Pct Recovery = 114% Analysis Date = 10/03/00 Pct Recovery = 114% Analysis Date = 09/26/00 Pct Recovery = 114% Analysis Date = 09/26/00 Pct Recovery = 114% Analysis Date = 09/19/00 Pct Recovery = 114% Analysis Date = 09/19/00 Pct Recovery = 114% Analysis Date = 09/12/00 Pct Recovery = 115% Analysis Date = 09/12/00 Pct Recovery = 115% Analysis Date = 09/05/00 Pct Recovery = 115% Analysis Date = 09/05/00 Pct Recovery = 115% Analysis Date = 08/30/00 Pct Recovery = 115% Analysis Date = 08/30/00 Pct Recovery = 115% Analysis Date = 08/23/00 Pct Recovery = 116% Analysis Date = 08/23/00 Pct Recovery = 116% Analysis Date = 08/16/00 Pct Recovery = 116% Analysis Date = 08/16/00 Pct Recovery = 116% Analysis Date = 08/09/00 Pct Recovery = 117% Analysis Date = 08/09/00 Pct Recovery = 117% Analysis Date = 08/02/00 Pct Recovery = 117% Analysis Date = 08/02/00 Pct Recovery = 117% Analysis Date = 07/27/00 Pct Recovery = 117% Analysis Date = 07/27/00 Pct Recovery = 117% Analysis Date = 07/20/00 Pct Recovery = 118% Analysis Date = 07/20/00 Pct Recovery = 118% Analysis Date = 07/13/00 Pct Recovery = 118% Analysis Date = 07/13/00 Pct Recovery = 118% Analysis Date = 07/06/00 Pct Recovery = 119% Analysis Date = 07/06/00 Pct Recovery = 119% Analysis Date = 06/29/00 Pct Recovery = 119% Analysis Date = 06/29/00 Pct Recovery = 119% Analysis Date = 06/22/00 Pct Recovery = 120% Analysis Date = 06/22/00 Pct Recovery = 120% Analysis Date = 06/16/00 Pct Recovery = 120% Analysis Date = 06/16/00 Pct Recovery = 120% Analysis Date = 06/09/00 Pct Recovery = 120% Analysis Date = 06/09/00 Pct Recovery = 120% Analysis Date = 06/02/00 Pct Recovery = 121% Analysis Date = 06/02/00 Pct Recovery = 121% Analysis Date = 05/26/00 Pct Recovery = 121% Analysis Date = 05/26/00 Pct Recovery = 121% Analysis Date = 05/19/00 Pct Recovery = 122% Analysis Date = 05/19/00 Pct Recovery = 122% Analysis Date = 05/13/00 Pct Recovery = 124% Analysis Date = 05/13/00 Pct Recovery = 124% Analysis Date = 05/06/00 Pct Recovery = 127% Analysis Date = 05/06/00 Pct Recovery = 127% Analysis Date = 04/29/00 Pct Recovery = 129% Analysis Date = 04/29/00 Pct Recovery = 129% Analysis Date = 04/22/00 Pct Recovery = 133% Analysis Date = 04/22/00 Pct Recovery = 133% Analysis Date = 04/15/00 Pct Recovery = 138% Analysis Date = 04/15/00 Pct Recovery = 138% Analysis Date = 04/09/00 Pct Recovery = 143% Analysis Date = 04/09/00 Pct Recovery = 143% Analysis Date = 04/02/00 Pct Recovery = 146% Analysis Date = 04/02/00 Pct Recovery = 146% Analysis Date = 03/26/00 Pct Recovery = 147% Analysis Date = 03/26/00 Pct Recovery = 147% Analysis Date = 03/19/00 Pct Recovery = 146% Analysis Date = 03/19/00 Pct Recovery = 146% Analysis Date = 03/12/00 Pct Recovery = 143% Analysis Date = 03/12/00 Pct Recovery = 143% Analysis Date = 03/06/00 Pct Recovery = 140% Analysis Date = 03/06/00 Pct Recovery = 140% Analysis Date = 02/28/00 Pct Recovery = 137% Analysis Date = 02/28/00 Pct Recovery = 137% Analysis Date = 02/21/00 Pct Recovery = 135% Analysis Date = 02/21/00 Pct Recovery = 135% Analysis Date = 02/14/00 Pct Recovery = 133% Analysis Date = 02/14/00 Pct Recovery = 133% Analysis Date = 02/07/00 Pct Recovery = 131% Analysis Date = 02/07/00 Pct Recovery = 131% Analysis Date = 02/01/00 Pct Recovery = 129% Analysis Date = 02/01/00 Pct Recovery = 129% Analysis Date = 01/25/00 Pct Recovery = 127% Analysis Date = 01/25/00 Pct Recovery = 127% Analysis Date = 01/18/00 Pct Recovery = 125% Analysis Date = 01/18/00 Pct Recovery = 125% Analysis Date = 01/11/00 Pct Recovery = 122% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
DICHLOROMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 3 208% 103% 222% 152%
>= Reporting Level 18 108% 7% 107% 8%
Total 21 123% 49% 107% 9%

Sample Statistics
DICHLOROMETHANE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 1 5% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
DIETHYL ETHER
METHOD: 4054 , TESTIDCODE: 81576GCM66
Open Data Set

Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 108% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 105% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 122% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 96% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 99% Analysis Date = 07/31/01 Pct Recovery = 108% Analysis Date = 07/29/01 Pct Recovery = 108% Analysis Date = 07/29/01 Pct Recovery = 108% Analysis Date = 07/27/01 Pct Recovery = 108% Analysis Date = 07/27/01 Pct Recovery = 108% Analysis Date = 07/25/01 Pct Recovery = 108% Analysis Date = 07/25/01 Pct Recovery = 108% Analysis Date = 07/24/01 Pct Recovery = 108% Analysis Date = 07/24/01 Pct Recovery = 108% Analysis Date = 07/22/01 Pct Recovery = 108% Analysis Date = 07/22/01 Pct Recovery = 108% Analysis Date = 07/20/01 Pct Recovery = 108% Analysis Date = 07/20/01 Pct Recovery = 108% Analysis Date = 07/18/01 Pct Recovery = 108% Analysis Date = 07/18/01 Pct Recovery = 108% Analysis Date = 07/17/01 Pct Recovery = 108% Analysis Date = 07/17/01 Pct Recovery = 108% Analysis Date = 07/15/01 Pct Recovery = 108% Analysis Date = 07/15/01 Pct Recovery = 108% Analysis Date = 07/13/01 Pct Recovery = 107% Analysis Date = 07/13/01 Pct Recovery = 107% Analysis Date = 07/11/01 Pct Recovery = 107% Analysis Date = 07/11/01 Pct Recovery = 107% Analysis Date = 07/10/01 Pct Recovery = 107% Analysis Date = 07/10/01 Pct Recovery = 107% Analysis Date = 07/08/01 Pct Recovery = 107% Analysis Date = 07/08/01 Pct Recovery = 107% Analysis Date = 07/06/01 Pct Recovery = 107% Analysis Date = 07/06/01 Pct Recovery = 107% Analysis Date = 07/04/01 Pct Recovery = 107% Analysis Date = 07/04/01 Pct Recovery = 107% Analysis Date = 07/03/01 Pct Recovery = 107% Analysis Date = 07/03/01 Pct Recovery = 107% Analysis Date = 07/01/01 Pct Recovery = 107% Analysis Date = 07/01/01 Pct Recovery = 107% Analysis Date = 06/29/01 Pct Recovery = 107% Analysis Date = 06/29/01 Pct Recovery = 107% Analysis Date = 06/27/01 Pct Recovery = 107% Analysis Date = 06/27/01 Pct Recovery = 107% Analysis Date = 06/26/01 Pct Recovery = 107% Analysis Date = 06/26/01 Pct Recovery = 107% Analysis Date = 06/24/01 Pct Recovery = 107% Analysis Date = 06/24/01 Pct Recovery = 107% Analysis Date = 06/22/01 Pct Recovery = 107% Analysis Date = 06/22/01 Pct Recovery = 107% Analysis Date = 06/20/01 Pct Recovery = 107% Analysis Date = 06/20/01 Pct Recovery = 107% Analysis Date = 06/19/01 Pct Recovery = 107% Analysis Date = 06/19/01 Pct Recovery = 107% Analysis Date = 06/17/01 Pct Recovery = 107% Analysis Date = 06/17/01 Pct Recovery = 107% Analysis Date = 06/15/01 Pct Recovery = 107% Analysis Date = 06/15/01 Pct Recovery = 107% Analysis Date = 06/13/01 Pct Recovery = 107% Analysis Date = 06/13/01 Pct Recovery = 107% Analysis Date = 06/12/01 Pct Recovery = 107% Analysis Date = 06/12/01 Pct Recovery = 107% Analysis Date = 06/10/01 Pct Recovery = 107% Analysis Date = 06/10/01 Pct Recovery = 107% Analysis Date = 06/08/01 Pct Recovery = 107% Analysis Date = 06/08/01 Pct Recovery = 107% Analysis Date = 06/06/01 Pct Recovery = 107% Analysis Date = 06/06/01 Pct Recovery = 107% Analysis Date = 06/05/01 Pct Recovery = 106% Analysis Date = 06/05/01 Pct Recovery = 106% Analysis Date = 06/03/01 Pct Recovery = 106% Analysis Date = 06/03/01 Pct Recovery = 106% Analysis Date = 06/01/01 Pct Recovery = 106% Analysis Date = 06/01/01 Pct Recovery = 106% Analysis Date = 05/30/01 Pct Recovery = 106% Analysis Date = 05/30/01 Pct Recovery = 106% Analysis Date = 05/29/01 Pct Recovery = 106% Analysis Date = 05/29/01 Pct Recovery = 106% Analysis Date = 05/27/01 Pct Recovery = 106% Analysis Date = 05/27/01 Pct Recovery = 106% Analysis Date = 05/25/01 Pct Recovery = 106% Analysis Date = 05/25/01 Pct Recovery = 106% Analysis Date = 05/24/01 Pct Recovery = 106% Analysis Date = 05/24/01 Pct Recovery = 106% Analysis Date = 05/22/01 Pct Recovery = 106% Analysis Date = 05/22/01 Pct Recovery = 106% Analysis Date = 05/20/01 Pct Recovery = 106% Analysis Date = 05/20/01 Pct Recovery = 106% Analysis Date = 05/18/01 Pct Recovery = 106% Analysis Date = 05/18/01 Pct Recovery = 106% Analysis Date = 05/17/01 Pct Recovery = 106% Analysis Date = 05/17/01 Pct Recovery = 106% Analysis Date = 05/15/01 Pct Recovery = 106% Analysis Date = 05/15/01 Pct Recovery = 106% Analysis Date = 05/13/01 Pct Recovery = 106% Analysis Date = 05/13/01 Pct Recovery = 106% Analysis Date = 05/11/01 Pct Recovery = 106% Analysis Date = 05/11/01 Pct Recovery = 106% Analysis Date = 05/10/01 Pct Recovery = 106% Analysis Date = 05/10/01 Pct Recovery = 106% Analysis Date = 05/08/01 Pct Recovery = 106% Analysis Date = 05/08/01 Pct Recovery = 106% Analysis Date = 05/06/01 Pct Recovery = 106% Analysis Date = 05/06/01 Pct Recovery = 106% Analysis Date = 05/04/01 Pct Recovery = 106% Analysis Date = 05/04/01 Pct Recovery = 106% Analysis Date = 05/03/01 Pct Recovery = 106% Analysis Date = 05/03/01 Pct Recovery = 106% Analysis Date = 05/01/01 Pct Recovery = 106% Analysis Date = 05/01/01 Pct Recovery = 106% Analysis Date = 04/29/01 Pct Recovery = 106% Analysis Date = 04/29/01 Pct Recovery = 106% Analysis Date = 04/27/01 Pct Recovery = 106% Analysis Date = 04/27/01 Pct Recovery = 106% Analysis Date = 04/26/01 Pct Recovery = 105% Analysis Date = 04/26/01 Pct Recovery = 105% Analysis Date = 04/24/01 Pct Recovery = 105% Analysis Date = 04/24/01 Pct Recovery = 105% Analysis Date = 04/22/01 Pct Recovery = 105% Analysis Date = 04/22/01 Pct Recovery = 105% Analysis Date = 04/20/01 Pct Recovery = 105% Analysis Date = 04/20/01 Pct Recovery = 105% Analysis Date = 04/19/01 Pct Recovery = 105% Analysis Date = 04/19/01 Pct Recovery = 105% Analysis Date = 04/17/01 Pct Recovery = 105% Analysis Date = 04/17/01 Pct Recovery = 105% Analysis Date = 04/15/01 Pct Recovery = 105% Analysis Date = 04/15/01 Pct Recovery = 105% Analysis Date = 04/13/01 Pct Recovery = 105% Analysis Date = 04/13/01 Pct Recovery = 105% Analysis Date = 04/12/01 Pct Recovery = 105% Analysis Date = 04/12/01 Pct Recovery = 105% Analysis Date = 04/10/01 Pct Recovery = 105% Analysis Date = 04/10/01 Pct Recovery = 105% Analysis Date = 04/08/01 Pct Recovery = 106% Analysis Date = 04/08/01 Pct Recovery = 106% Analysis Date = 04/06/01 Pct Recovery = 107% Analysis Date = 04/06/01 Pct Recovery = 107% Analysis Date = 04/05/01 Pct Recovery = 107% Analysis Date = 04/05/01 Pct Recovery = 107% Analysis Date = 04/03/01 Pct Recovery = 108% Analysis Date = 04/03/01 Pct Recovery = 108% Analysis Date = 04/01/01 Pct Recovery = 108% Analysis Date = 04/01/01 Pct Recovery = 108% Analysis Date = 03/30/01 Pct Recovery = 109% Analysis Date = 03/30/01 Pct Recovery = 109% Analysis Date = 03/29/01 Pct Recovery = 110% Analysis Date = 03/29/01 Pct Recovery = 110% Analysis Date = 03/27/01 Pct Recovery = 110% Analysis Date = 03/27/01 Pct Recovery = 110% Analysis Date = 03/25/01 Pct Recovery = 111% Analysis Date = 03/25/01 Pct Recovery = 111% Analysis Date = 03/24/01 Pct Recovery = 112% Analysis Date = 03/24/01 Pct Recovery = 112% Analysis Date = 03/22/01 Pct Recovery = 112% Analysis Date = 03/22/01 Pct Recovery = 112% Analysis Date = 03/20/01 Pct Recovery = 113% Analysis Date = 03/20/01 Pct Recovery = 113% Analysis Date = 03/18/01 Pct Recovery = 113% Analysis Date = 03/18/01 Pct Recovery = 113% Analysis Date = 03/17/01 Pct Recovery = 114% Analysis Date = 03/17/01 Pct Recovery = 114% Analysis Date = 03/15/01 Pct Recovery = 115% Analysis Date = 03/15/01 Pct Recovery = 115% Analysis Date = 03/13/01 Pct Recovery = 115% Analysis Date = 03/13/01 Pct Recovery = 115% Analysis Date = 03/11/01 Pct Recovery = 116% Analysis Date = 03/11/01 Pct Recovery = 116% Analysis Date = 03/10/01 Pct Recovery = 117% Analysis Date = 03/10/01 Pct Recovery = 117% Analysis Date = 03/08/01 Pct Recovery = 117% Analysis Date = 03/08/01 Pct Recovery = 117% Analysis Date = 03/06/01 Pct Recovery = 118% Analysis Date = 03/06/01 Pct Recovery = 118% Analysis Date = 03/04/01 Pct Recovery = 118% Analysis Date = 03/04/01 Pct Recovery = 118% Analysis Date = 03/03/01 Pct Recovery = 119% Analysis Date = 03/03/01 Pct Recovery = 119% Analysis Date = 03/01/01 Pct Recovery = 120% Analysis Date = 03/01/01 Pct Recovery = 120% Analysis Date = 02/27/01 Pct Recovery = 120% Analysis Date = 02/27/01 Pct Recovery = 120% Analysis Date = 02/25/01 Pct Recovery = 121% Analysis Date = 02/25/01 Pct Recovery = 121% Analysis Date = 02/24/01 Pct Recovery = 122% Analysis Date = 02/24/01 Pct Recovery = 122% Analysis Date = 02/22/01 Pct Recovery = 122% Analysis Date = 02/22/01 Pct Recovery = 122% Analysis Date = 02/20/01 Pct Recovery = 122% Analysis Date = 02/20/01 Pct Recovery = 122% Analysis Date = 02/18/01 Pct Recovery = 121% Analysis Date = 02/18/01 Pct Recovery = 121% Analysis Date = 02/17/01 Pct Recovery = 121% Analysis Date = 02/17/01 Pct Recovery = 121% Analysis Date = 02/15/01 Pct Recovery = 120% Analysis Date = 02/15/01 Pct Recovery = 120% Analysis Date = 02/13/01 Pct Recovery = 120% Analysis Date = 02/13/01 Pct Recovery = 120% Analysis Date = 02/11/01 Pct Recovery = 119% Analysis Date = 02/11/01 Pct Recovery = 119% Analysis Date = 02/10/01 Pct Recovery = 119% Analysis Date = 02/10/01 Pct Recovery = 119% Analysis Date = 02/08/01 Pct Recovery = 119% Analysis Date = 02/08/01 Pct Recovery = 119% Analysis Date = 02/06/01 Pct Recovery = 118% Analysis Date = 02/06/01 Pct Recovery = 118% Analysis Date = 02/04/01 Pct Recovery = 118% Analysis Date = 02/04/01 Pct Recovery = 118% Analysis Date = 02/03/01 Pct Recovery = 117% Analysis Date = 02/03/01 Pct Recovery = 117% Analysis Date = 02/01/01 Pct Recovery = 117% Analysis Date = 02/01/01 Pct Recovery = 117% Analysis Date = 01/30/01 Pct Recovery = 116% Analysis Date = 01/30/01 Pct Recovery = 116% Analysis Date = 01/28/01 Pct Recovery = 116% Analysis Date = 01/28/01 Pct Recovery = 116% Analysis Date = 01/27/01 Pct Recovery = 115% Analysis Date = 01/27/01 Pct Recovery = 115% Analysis Date = 01/25/01 Pct Recovery = 115% Analysis Date = 01/25/01 Pct Recovery = 115% Analysis Date = 01/23/01 Pct Recovery = 114% Analysis Date = 01/23/01 Pct Recovery = 114% Analysis Date = 01/22/01 Pct Recovery = 114% Analysis Date = 01/22/01 Pct Recovery = 114% Analysis Date = 01/20/01 Pct Recovery = 114% Analysis Date = 01/20/01 Pct Recovery = 114% Analysis Date = 01/18/01 Pct Recovery = 113% Analysis Date = 01/18/01 Pct Recovery = 113% Analysis Date = 01/16/01 Pct Recovery = 113% Analysis Date = 01/16/01 Pct Recovery = 113% Analysis Date = 01/15/01 Pct Recovery = 112% Analysis Date = 01/15/01 Pct Recovery = 112% Analysis Date = 01/13/01 Pct Recovery = 112% Analysis Date = 01/13/01 Pct Recovery = 112% Analysis Date = 01/11/01 Pct Recovery = 111% Analysis Date = 01/11/01 Pct Recovery = 111% Analysis Date = 01/09/01 Pct Recovery = 111% Analysis Date = 01/09/01 Pct Recovery = 111% Analysis Date = 01/08/01 Pct Recovery = 110% Analysis Date = 01/08/01 Pct Recovery = 110% Analysis Date = 01/06/01 Pct Recovery = 110% Analysis Date = 01/06/01 Pct Recovery = 110% Analysis Date = 01/04/01 Pct Recovery = 109% Analysis Date = 01/04/01 Pct Recovery = 109% Analysis Date = 01/02/01 Pct Recovery = 109% Analysis Date = 01/02/01 Pct Recovery = 109% Analysis Date = 01/01/01 Pct Recovery = 109% Analysis Date = 01/01/01 Pct Recovery = 109% Analysis Date = 12/30/00 Pct Recovery = 108% Analysis Date = 12/30/00 Pct Recovery = 108% Analysis Date = 12/28/00 Pct Recovery = 108% Analysis Date = 12/28/00 Pct Recovery = 108% Analysis Date = 12/26/00 Pct Recovery = 107% Analysis Date = 12/26/00 Pct Recovery = 107% Analysis Date = 12/25/00 Pct Recovery = 107% Analysis Date = 12/25/00 Pct Recovery = 107% Analysis Date = 12/23/00 Pct Recovery = 106% Analysis Date = 12/23/00 Pct Recovery = 106% Analysis Date = 12/21/00 Pct Recovery = 106% Analysis Date = 12/21/00 Pct Recovery = 106% Analysis Date = 12/19/00 Pct Recovery = 105% Analysis Date = 12/19/00 Pct Recovery = 105% Analysis Date = 12/18/00 Pct Recovery = 105% Analysis Date = 12/18/00 Pct Recovery = 105% Analysis Date = 12/16/00 Pct Recovery = 105% Analysis Date = 12/16/00 Pct Recovery = 105% Analysis Date = 12/14/00 Pct Recovery = 104% Analysis Date = 12/14/00 Pct Recovery = 104% Analysis Date = 12/12/00 Pct Recovery = 104% Analysis Date = 12/12/00 Pct Recovery = 104% Analysis Date = 12/11/00 Pct Recovery = 103% Analysis Date = 12/11/00 Pct Recovery = 103% Analysis Date = 12/09/00 Pct Recovery = 103% Analysis Date = 12/09/00 Pct Recovery = 103% Analysis Date = 12/07/00 Pct Recovery = 102% Analysis Date = 12/07/00 Pct Recovery = 102% Analysis Date = 12/05/00 Pct Recovery = 102% Analysis Date = 12/05/00 Pct Recovery = 102% Analysis Date = 12/04/00 Pct Recovery = 101% Analysis Date = 12/04/00 Pct Recovery = 101% Analysis Date = 12/02/00 Pct Recovery = 101% Analysis Date = 12/02/00 Pct Recovery = 101% Analysis Date = 11/30/00 Pct Recovery = 100% Analysis Date = 11/30/00 Pct Recovery = 100% Analysis Date = 11/28/00 Pct Recovery = 100% Analysis Date = 11/28/00 Pct Recovery = 100% Analysis Date = 11/27/00 Pct Recovery = 100% Analysis Date = 11/27/00 Pct Recovery = 100% Analysis Date = 11/25/00 Pct Recovery = 99% Analysis Date = 11/25/00 Pct Recovery = 99% Analysis Date = 11/23/00 Pct Recovery = 99% Analysis Date = 11/23/00 Pct Recovery = 99% Analysis Date = 11/22/00 Pct Recovery = 98% Analysis Date = 11/22/00 Pct Recovery = 98% Analysis Date = 11/20/00 Pct Recovery = 98% Analysis Date = 11/20/00 Pct Recovery = 98% Analysis Date = 11/18/00 Pct Recovery = 97% Analysis Date = 11/18/00 Pct Recovery = 97% Analysis Date = 11/16/00 Pct Recovery = 97% Analysis Date = 11/16/00 Pct Recovery = 97% Analysis Date = 11/15/00 Pct Recovery = 96% Analysis Date = 11/15/00 Pct Recovery = 96% Analysis Date = 11/13/00 Pct Recovery = 97% Analysis Date = 11/13/00 Pct Recovery = 97% Analysis Date = 11/11/00 Pct Recovery = 97% Analysis Date = 11/11/00 Pct Recovery = 97% Analysis Date = 11/09/00 Pct Recovery = 97% Analysis Date = 11/09/00 Pct Recovery = 97% Analysis Date = 11/08/00 Pct Recovery = 97% Analysis Date = 11/08/00 Pct Recovery = 97% Analysis Date = 11/06/00 Pct Recovery = 97% Analysis Date = 11/06/00 Pct Recovery = 97% Analysis Date = 11/04/00 Pct Recovery = 97% Analysis Date = 11/04/00 Pct Recovery = 97% Analysis Date = 11/02/00 Pct Recovery = 97% Analysis Date = 11/02/00 Pct Recovery = 97% Analysis Date = 11/01/00 Pct Recovery = 97% Analysis Date = 11/01/00 Pct Recovery = 97% Analysis Date = 10/30/00 Pct Recovery = 97% Analysis Date = 10/30/00 Pct Recovery = 97% Analysis Date = 10/28/00 Pct Recovery = 97% Analysis Date = 10/28/00 Pct Recovery = 97% Analysis Date = 10/26/00 Pct Recovery = 97% Analysis Date = 10/26/00 Pct Recovery = 97% Analysis Date = 10/25/00 Pct Recovery = 97% Analysis Date = 10/25/00 Pct Recovery = 97% Analysis Date = 10/23/00 Pct Recovery = 97% Analysis Date = 10/23/00 Pct Recovery = 97% Analysis Date = 10/21/00 Pct Recovery = 97% Analysis Date = 10/21/00 Pct Recovery = 97% Analysis Date = 10/19/00 Pct Recovery = 97% Analysis Date = 10/19/00 Pct Recovery = 97% Analysis Date = 10/18/00 Pct Recovery = 97% Analysis Date = 10/18/00 Pct Recovery = 97% Analysis Date = 10/16/00 Pct Recovery = 97% Analysis Date = 10/16/00 Pct Recovery = 97% Analysis Date = 10/14/00 Pct Recovery = 97% Analysis Date = 10/14/00 Pct Recovery = 97% Analysis Date = 10/12/00 Pct Recovery = 98% Analysis Date = 10/12/00 Pct Recovery = 98% Analysis Date = 10/11/00 Pct Recovery = 98% Analysis Date = 10/11/00 Pct Recovery = 98% Analysis Date = 10/09/00 Pct Recovery = 98% Analysis Date = 10/09/00 Pct Recovery = 98% Analysis Date = 10/07/00 Pct Recovery = 98% Analysis Date = 10/07/00 Pct Recovery = 98% Analysis Date = 10/05/00 Pct Recovery = 98% Analysis Date = 10/05/00 Pct Recovery = 98% Analysis Date = 10/04/00 Pct Recovery = 98% Analysis Date = 10/04/00 Pct Recovery = 98% Analysis Date = 10/02/00 Pct Recovery = 98% Analysis Date = 10/02/00 Pct Recovery = 98% Analysis Date = 09/30/00 Pct Recovery = 98% Analysis Date = 09/30/00 Pct Recovery = 98% Analysis Date = 09/28/00 Pct Recovery = 98% Analysis Date = 09/28/00 Pct Recovery = 98% Analysis Date = 09/27/00 Pct Recovery = 98% Analysis Date = 09/27/00 Pct Recovery = 98% Analysis Date = 09/25/00 Pct Recovery = 98% Analysis Date = 09/25/00 Pct Recovery = 98% Analysis Date = 09/23/00 Pct Recovery = 98% Analysis Date = 09/23/00 Pct Recovery = 98% Analysis Date = 09/22/00 Pct Recovery = 98% Analysis Date = 09/22/00 Pct Recovery = 98% Analysis Date = 09/20/00 Pct Recovery = 98% Analysis Date = 09/20/00 Pct Recovery = 98% Analysis Date = 09/18/00 Pct Recovery = 98% Analysis Date = 09/18/00 Pct Recovery = 98% Analysis Date = 09/16/00 Pct Recovery = 98% Analysis Date = 09/16/00 Pct Recovery = 98% Analysis Date = 09/15/00 Pct Recovery = 98% Analysis Date = 09/15/00 Pct Recovery = 98% Analysis Date = 09/13/00 Pct Recovery = 99% Analysis Date = 09/13/00 Pct Recovery = 99% Analysis Date = 09/11/00 Pct Recovery = 99% Analysis Date = 09/11/00 Pct Recovery = 99% Analysis Date = 09/09/00 Pct Recovery = 99% Analysis Date = 09/09/00 Pct Recovery = 99% Analysis Date = 09/08/00 Pct Recovery = 99% Analysis Date = 09/08/00 Pct Recovery = 99% Analysis Date = 09/06/00 Pct Recovery = 99% Analysis Date = 09/06/00 Pct Recovery = 99% Analysis Date = 09/04/00 Pct Recovery = 99% Analysis Date = 09/04/00 Pct Recovery = 99% Analysis Date = 09/02/00 Pct Recovery = 99% Analysis Date = 09/02/00 Pct Recovery = 99% Analysis Date = 09/01/00 Pct Recovery = 99% Analysis Date = 09/01/00 Pct Recovery = 99% Analysis Date = 08/30/00 Pct Recovery = 99% Analysis Date = 08/30/00 Pct Recovery = 99% Analysis Date = 08/28/00 Pct Recovery = 99% Analysis Date = 08/28/00 Pct Recovery = 99% Analysis Date = 08/26/00 Pct Recovery = 99% Analysis Date = 08/26/00 Pct Recovery = 99% Analysis Date = 08/25/00 Pct Recovery = 99% Analysis Date = 08/25/00 Pct Recovery = 99% Analysis Date = 08/23/00 Pct Recovery = 99% Analysis Date = 08/23/00 Pct Recovery = 99% Analysis Date = 08/21/00 Pct Recovery = 99% Analysis Date = 08/21/00 Pct Recovery = 99% Analysis Date = 08/19/00 Pct Recovery = 99% Analysis Date = 08/19/00 Pct Recovery = 99% Analysis Date = 08/18/00 Pct Recovery = 99% Analysis Date = 08/18/00 Pct Recovery = 99% Analysis Date = 08/16/00 Pct Recovery = 99% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
DIETHYL ETHER

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 106% 10% 105% 6%
Total 5 106% 10% 105% 6%

Sample Statistics
DIETHYL ETHER

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
DIISOPROPYL ETHER
METHOD: 4054 , TESTIDCODE: 81577GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 104% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 93% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
DIISOPROPYL ETHER

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 2 99% 8% 99% 8%
Total 2 99% 8% 99% 8%

Sample Statistics
DIISOPROPYL ETHER

Characteristic N % % Basis
Plotted 2 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 2 .  
False Negatives 0 0% 0 out of 2
Not Spiked 34 .  
False Positives 0 0% 0 out of 34

BQS OBSP Determination:
ETHYLBENZENE
METHOD: 4054 , TESTIDCODE: 34371GCM66
Open Data Set

Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 100% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 124% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 99% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 111% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 97% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 92% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 88% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 99% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 109% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 97% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 128% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 101% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 97% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 110% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 92% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 109% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 113% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 113% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 107% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 106% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 112% Analysis Date = 08/24/01 Pct Recovery = 109% Analysis Date = 08/22/01 Pct Recovery = 109% Analysis Date = 08/22/01 Pct Recovery = 109% Analysis Date = 08/19/01 Pct Recovery = 109% Analysis Date = 08/19/01 Pct Recovery = 109% Analysis Date = 08/16/01 Pct Recovery = 109% Analysis Date = 08/16/01 Pct Recovery = 109% Analysis Date = 08/13/01 Pct Recovery = 109% Analysis Date = 08/13/01 Pct Recovery = 109% Analysis Date = 08/10/01 Pct Recovery = 109% Analysis Date = 08/10/01 Pct Recovery = 109% Analysis Date = 08/07/01 Pct Recovery = 109% Analysis Date = 08/07/01 Pct Recovery = 109% Analysis Date = 08/04/01 Pct Recovery = 108% Analysis Date = 08/04/01 Pct Recovery = 108% Analysis Date = 08/01/01 Pct Recovery = 108% Analysis Date = 08/01/01 Pct Recovery = 108% Analysis Date = 07/29/01 Pct Recovery = 108% Analysis Date = 07/29/01 Pct Recovery = 108% Analysis Date = 07/26/01 Pct Recovery = 108% Analysis Date = 07/26/01 Pct Recovery = 108% Analysis Date = 07/23/01 Pct Recovery = 108% Analysis Date = 07/23/01 Pct Recovery = 108% Analysis Date = 07/20/01 Pct Recovery = 108% Analysis Date = 07/20/01 Pct Recovery = 108% Analysis Date = 07/17/01 Pct Recovery = 108% Analysis Date = 07/17/01 Pct Recovery = 108% Analysis Date = 07/14/01 Pct Recovery = 108% Analysis Date = 07/14/01 Pct Recovery = 108% Analysis Date = 07/11/01 Pct Recovery = 108% Analysis Date = 07/11/01 Pct Recovery = 108% Analysis Date = 07/08/01 Pct Recovery = 108% Analysis Date = 07/08/01 Pct Recovery = 108% Analysis Date = 07/05/01 Pct Recovery = 108% Analysis Date = 07/05/01 Pct Recovery = 108% Analysis Date = 07/02/01 Pct Recovery = 108% Analysis Date = 07/02/01 Pct Recovery = 108% Analysis Date = 06/29/01 Pct Recovery = 108% Analysis Date = 06/29/01 Pct Recovery = 108% Analysis Date = 06/26/01 Pct Recovery = 108% Analysis Date = 06/26/01 Pct Recovery = 108% Analysis Date = 06/23/01 Pct Recovery = 108% Analysis Date = 06/23/01 Pct Recovery = 108% Analysis Date = 06/20/01 Pct Recovery = 108% Analysis Date = 06/20/01 Pct Recovery = 108% Analysis Date = 06/17/01 Pct Recovery = 108% Analysis Date = 06/17/01 Pct Recovery = 108% Analysis Date = 06/15/01 Pct Recovery = 108% Analysis Date = 06/15/01 Pct Recovery = 108% Analysis Date = 06/12/01 Pct Recovery = 108% Analysis Date = 06/12/01 Pct Recovery = 108% Analysis Date = 06/09/01 Pct Recovery = 108% Analysis Date = 06/09/01 Pct Recovery = 108% Analysis Date = 06/06/01 Pct Recovery = 108% Analysis Date = 06/06/01 Pct Recovery = 108% Analysis Date = 06/03/01 Pct Recovery = 108% Analysis Date = 06/03/01 Pct Recovery = 108% Analysis Date = 05/31/01 Pct Recovery = 108% Analysis Date = 05/31/01 Pct Recovery = 108% Analysis Date = 05/28/01 Pct Recovery = 108% Analysis Date = 05/28/01 Pct Recovery = 108% Analysis Date = 05/25/01 Pct Recovery = 108% Analysis Date = 05/25/01 Pct Recovery = 108% Analysis Date = 05/22/01 Pct Recovery = 108% Analysis Date = 05/22/01 Pct Recovery = 108% Analysis Date = 05/19/01 Pct Recovery = 108% Analysis Date = 05/19/01 Pct Recovery = 108% Analysis Date = 05/16/01 Pct Recovery = 108% Analysis Date = 05/16/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/10/01 Pct Recovery = 108% Analysis Date = 05/10/01 Pct Recovery = 108% Analysis Date = 05/07/01 Pct Recovery = 108% Analysis Date = 05/07/01 Pct Recovery = 108% Analysis Date = 05/04/01 Pct Recovery = 108% Analysis Date = 05/04/01 Pct Recovery = 108% Analysis Date = 05/01/01 Pct Recovery = 108% Analysis Date = 05/01/01 Pct Recovery = 108% Analysis Date = 04/28/01 Pct Recovery = 108% Analysis Date = 04/28/01 Pct Recovery = 108% Analysis Date = 04/25/01 Pct Recovery = 108% Analysis Date = 04/25/01 Pct Recovery = 108% Analysis Date = 04/22/01 Pct Recovery = 108% Analysis Date = 04/22/01 Pct Recovery = 108% Analysis Date = 04/19/01 Pct Recovery = 108% Analysis Date = 04/19/01 Pct Recovery = 108% Analysis Date = 04/16/01 Pct Recovery = 108% Analysis Date = 04/16/01 Pct Recovery = 108% Analysis Date = 04/13/01 Pct Recovery = 108% Analysis Date = 04/13/01 Pct Recovery = 108% Analysis Date = 04/10/01 Pct Recovery = 108% Analysis Date = 04/10/01 Pct Recovery = 108% Analysis Date = 04/08/01 Pct Recovery = 108% Analysis Date = 04/08/01 Pct Recovery = 108% Analysis Date = 04/05/01 Pct Recovery = 108% Analysis Date = 04/05/01 Pct Recovery = 108% Analysis Date = 04/02/01 Pct Recovery = 108% Analysis Date = 04/02/01 Pct Recovery = 108% Analysis Date = 03/30/01 Pct Recovery = 108% Analysis Date = 03/30/01 Pct Recovery = 108% Analysis Date = 03/27/01 Pct Recovery = 108% Analysis Date = 03/27/01 Pct Recovery = 108% Analysis Date = 03/24/01 Pct Recovery = 108% Analysis Date = 03/24/01 Pct Recovery = 108% Analysis Date = 03/21/01 Pct Recovery = 108% Analysis Date = 03/21/01 Pct Recovery = 108% Analysis Date = 03/18/01 Pct Recovery = 108% Analysis Date = 03/18/01 Pct Recovery = 108% Analysis Date = 03/15/01 Pct Recovery = 108% Analysis Date = 03/15/01 Pct Recovery = 108% Analysis Date = 03/12/01 Pct Recovery = 108% Analysis Date = 03/12/01 Pct Recovery = 108% Analysis Date = 03/09/01 Pct Recovery = 108% Analysis Date = 03/09/01 Pct Recovery = 108% Analysis Date = 03/06/01 Pct Recovery = 108% Analysis Date = 03/06/01 Pct Recovery = 108% Analysis Date = 03/03/01 Pct Recovery = 108% Analysis Date = 03/03/01 Pct Recovery = 108% Analysis Date = 02/28/01 Pct Recovery = 108% Analysis Date = 02/28/01 Pct Recovery = 108% Analysis Date = 02/25/01 Pct Recovery = 107% Analysis Date = 02/25/01 Pct Recovery = 107% Analysis Date = 02/22/01 Pct Recovery = 107% Analysis Date = 02/22/01 Pct Recovery = 107% Analysis Date = 02/19/01 Pct Recovery = 107% Analysis Date = 02/19/01 Pct Recovery = 107% Analysis Date = 02/16/01 Pct Recovery = 107% Analysis Date = 02/16/01 Pct Recovery = 107% Analysis Date = 02/13/01 Pct Recovery = 107% Analysis Date = 02/13/01 Pct Recovery = 107% Analysis Date = 02/10/01 Pct Recovery = 107% Analysis Date = 02/10/01 Pct Recovery = 107% Analysis Date = 02/07/01 Pct Recovery = 107% Analysis Date = 02/07/01 Pct Recovery = 107% Analysis Date = 02/04/01 Pct Recovery = 107% Analysis Date = 02/04/01 Pct Recovery = 107% Analysis Date = 02/01/01 Pct Recovery = 107% Analysis Date = 02/01/01 Pct Recovery = 107% Analysis Date = 01/30/01 Pct Recovery = 107% Analysis Date = 01/30/01 Pct Recovery = 107% Analysis Date = 01/27/01 Pct Recovery = 107% Analysis Date = 01/27/01 Pct Recovery = 107% Analysis Date = 01/24/01 Pct Recovery = 107% Analysis Date = 01/24/01 Pct Recovery = 107% Analysis Date = 01/21/01 Pct Recovery = 106% Analysis Date = 01/21/01 Pct Recovery = 106% Analysis Date = 01/18/01 Pct Recovery = 106% Analysis Date = 01/18/01 Pct Recovery = 106% Analysis Date = 01/15/01 Pct Recovery = 106% Analysis Date = 01/15/01 Pct Recovery = 106% Analysis Date = 01/12/01 Pct Recovery = 106% Analysis Date = 01/12/01 Pct Recovery = 106% Analysis Date = 01/09/01 Pct Recovery = 106% Analysis Date = 01/09/01 Pct Recovery = 106% Analysis Date = 01/06/01 Pct Recovery = 106% Analysis Date = 01/06/01 Pct Recovery = 106% Analysis Date = 01/03/01 Pct Recovery = 106% Analysis Date = 01/03/01 Pct Recovery = 106% Analysis Date = 12/31/00 Pct Recovery = 106% Analysis Date = 12/31/00 Pct Recovery = 106% Analysis Date = 12/28/00 Pct Recovery = 106% Analysis Date = 12/28/00 Pct Recovery = 106% Analysis Date = 12/25/00 Pct Recovery = 106% Analysis Date = 12/25/00 Pct Recovery = 106% Analysis Date = 12/22/00 Pct Recovery = 106% Analysis Date = 12/22/00 Pct Recovery = 106% Analysis Date = 12/19/00 Pct Recovery = 106% Analysis Date = 12/19/00 Pct Recovery = 106% Analysis Date = 12/16/00 Pct Recovery = 105% Analysis Date = 12/16/00 Pct Recovery = 105% Analysis Date = 12/13/00 Pct Recovery = 105% Analysis Date = 12/13/00 Pct Recovery = 105% Analysis Date = 12/10/00 Pct Recovery = 105% Analysis Date = 12/10/00 Pct Recovery = 105% Analysis Date = 12/07/00 Pct Recovery = 105% Analysis Date = 12/07/00 Pct Recovery = 105% Analysis Date = 12/04/00 Pct Recovery = 105% Analysis Date = 12/04/00 Pct Recovery = 105% Analysis Date = 12/01/00 Pct Recovery = 105% Analysis Date = 12/01/00 Pct Recovery = 105% Analysis Date = 11/28/00 Pct Recovery = 105% Analysis Date = 11/28/00 Pct Recovery = 105% Analysis Date = 11/25/00 Pct Recovery = 105% Analysis Date = 11/25/00 Pct Recovery = 105% Analysis Date = 11/23/00 Pct Recovery = 105% Analysis Date = 11/23/00 Pct Recovery = 105% Analysis Date = 11/20/00 Pct Recovery = 105% Analysis Date = 11/20/00 Pct Recovery = 105% Analysis Date = 11/17/00 Pct Recovery = 105% Analysis Date = 11/17/00 Pct Recovery = 105% Analysis Date = 11/14/00 Pct Recovery = 105% Analysis Date = 11/14/00 Pct Recovery = 105% Analysis Date = 11/11/00 Pct Recovery = 105% Analysis Date = 11/11/00 Pct Recovery = 105% Analysis Date = 11/08/00 Pct Recovery = 105% Analysis Date = 11/08/00 Pct Recovery = 105% Analysis Date = 11/05/00 Pct Recovery = 105% Analysis Date = 11/05/00 Pct Recovery = 105% Analysis Date = 11/02/00 Pct Recovery = 105% Analysis Date = 11/02/00 Pct Recovery = 105% Analysis Date = 10/30/00 Pct Recovery = 105% Analysis Date = 10/30/00 Pct Recovery = 105% Analysis Date = 10/27/00 Pct Recovery = 105% Analysis Date = 10/27/00 Pct Recovery = 105% Analysis Date = 10/24/00 Pct Recovery = 105% Analysis Date = 10/24/00 Pct Recovery = 105% Analysis Date = 10/21/00 Pct Recovery = 105% Analysis Date = 10/21/00 Pct Recovery = 105% Analysis Date = 10/18/00 Pct Recovery = 105% Analysis Date = 10/18/00 Pct Recovery = 105% Analysis Date = 10/15/00 Pct Recovery = 105% Analysis Date = 10/15/00 Pct Recovery = 105% Analysis Date = 10/12/00 Pct Recovery = 106% Analysis Date = 10/12/00 Pct Recovery = 106% Analysis Date = 10/09/00 Pct Recovery = 106% Analysis Date = 10/09/00 Pct Recovery = 106% Analysis Date = 10/06/00 Pct Recovery = 106% Analysis Date = 10/06/00 Pct Recovery = 106% Analysis Date = 10/03/00 Pct Recovery = 106% Analysis Date = 10/03/00 Pct Recovery = 106% Analysis Date = 09/30/00 Pct Recovery = 106% Analysis Date = 09/30/00 Pct Recovery = 106% Analysis Date = 09/27/00 Pct Recovery = 106% Analysis Date = 09/27/00 Pct Recovery = 106% Analysis Date = 09/24/00 Pct Recovery = 106% Analysis Date = 09/24/00 Pct Recovery = 106% Analysis Date = 09/21/00 Pct Recovery = 106% Analysis Date = 09/21/00 Pct Recovery = 106% Analysis Date = 09/18/00 Pct Recovery = 105% Analysis Date = 09/18/00 Pct Recovery = 105% Analysis Date = 09/15/00 Pct Recovery = 105% Analysis Date = 09/15/00 Pct Recovery = 105% Analysis Date = 09/13/00 Pct Recovery = 105% Analysis Date = 09/13/00 Pct Recovery = 105% Analysis Date = 09/10/00 Pct Recovery = 105% Analysis Date = 09/10/00 Pct Recovery = 105% Analysis Date = 09/07/00 Pct Recovery = 105% Analysis Date = 09/07/00 Pct Recovery = 105% Analysis Date = 09/04/00 Pct Recovery = 105% Analysis Date = 09/04/00 Pct Recovery = 105% Analysis Date = 09/01/00 Pct Recovery = 105% Analysis Date = 09/01/00 Pct Recovery = 105% Analysis Date = 08/29/00 Pct Recovery = 105% Analysis Date = 08/29/00 Pct Recovery = 105% Analysis Date = 08/26/00 Pct Recovery = 105% Analysis Date = 08/26/00 Pct Recovery = 105% Analysis Date = 08/23/00 Pct Recovery = 105% Analysis Date = 08/23/00 Pct Recovery = 105% Analysis Date = 08/20/00 Pct Recovery = 105% Analysis Date = 08/20/00 Pct Recovery = 105% Analysis Date = 08/17/00 Pct Recovery = 105% Analysis Date = 08/17/00 Pct Recovery = 105% Analysis Date = 08/14/00 Pct Recovery = 105% Analysis Date = 08/14/00 Pct Recovery = 105% Analysis Date = 08/11/00 Pct Recovery = 105% Analysis Date = 08/11/00 Pct Recovery = 105% Analysis Date = 08/08/00 Pct Recovery = 105% Analysis Date = 08/08/00 Pct Recovery = 105% Analysis Date = 08/05/00 Pct Recovery = 104% Analysis Date = 08/05/00 Pct Recovery = 104% Analysis Date = 08/02/00 Pct Recovery = 104% Analysis Date = 08/02/00 Pct Recovery = 104% Analysis Date = 07/30/00 Pct Recovery = 104% Analysis Date = 07/30/00 Pct Recovery = 104% Analysis Date = 07/27/00 Pct Recovery = 104% Analysis Date = 07/27/00 Pct Recovery = 104% Analysis Date = 07/24/00 Pct Recovery = 104% Analysis Date = 07/24/00 Pct Recovery = 104% Analysis Date = 07/21/00 Pct Recovery = 104% Analysis Date = 07/21/00 Pct Recovery = 104% Analysis Date = 07/18/00 Pct Recovery = 104% Analysis Date = 07/18/00 Pct Recovery = 104% Analysis Date = 07/15/00 Pct Recovery = 104% Analysis Date = 07/15/00 Pct Recovery = 104% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/09/00 Pct Recovery = 104% Analysis Date = 07/09/00 Pct Recovery = 104% Analysis Date = 07/07/00 Pct Recovery = 104% Analysis Date = 07/07/00 Pct Recovery = 104% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 07/01/00 Pct Recovery = 104% Analysis Date = 07/01/00 Pct Recovery = 104% Analysis Date = 06/28/00 Pct Recovery = 104% Analysis Date = 06/28/00 Pct Recovery = 104% Analysis Date = 06/25/00 Pct Recovery = 104% Analysis Date = 06/25/00 Pct Recovery = 104% Analysis Date = 06/22/00 Pct Recovery = 104% Analysis Date = 06/22/00 Pct Recovery = 104% Analysis Date = 06/19/00 Pct Recovery = 104% Analysis Date = 06/19/00 Pct Recovery = 104% Analysis Date = 06/16/00 Pct Recovery = 104% Analysis Date = 06/16/00 Pct Recovery = 104% Analysis Date = 06/13/00 Pct Recovery = 104% Analysis Date = 06/13/00 Pct Recovery = 104% Analysis Date = 06/10/00 Pct Recovery = 104% Analysis Date = 06/10/00 Pct Recovery = 104% Analysis Date = 06/07/00 Pct Recovery = 104% Analysis Date = 06/07/00 Pct Recovery = 104% Analysis Date = 06/04/00 Pct Recovery = 104% Analysis Date = 06/04/00 Pct Recovery = 104% Analysis Date = 06/01/00 Pct Recovery = 104% Analysis Date = 06/01/00 Pct Recovery = 104% Analysis Date = 05/29/00 Pct Recovery = 105% Analysis Date = 05/29/00 Pct Recovery = 105% Analysis Date = 05/26/00 Pct Recovery = 105% Analysis Date = 05/26/00 Pct Recovery = 105% Analysis Date = 05/23/00 Pct Recovery = 105% Analysis Date = 05/23/00 Pct Recovery = 105% Analysis Date = 05/20/00 Pct Recovery = 105% Analysis Date = 05/20/00 Pct Recovery = 105% Analysis Date = 05/17/00 Pct Recovery = 105% Analysis Date = 05/17/00 Pct Recovery = 105% Analysis Date = 05/14/00 Pct Recovery = 105% Analysis Date = 05/14/00 Pct Recovery = 105% Analysis Date = 05/11/00 Pct Recovery = 105% Analysis Date = 05/11/00 Pct Recovery = 105% Analysis Date = 05/08/00 Pct Recovery = 105% Analysis Date = 05/08/00 Pct Recovery = 105% Analysis Date = 05/05/00 Pct Recovery = 105% Analysis Date = 05/05/00 Pct Recovery = 105% Analysis Date = 05/02/00 Pct Recovery = 105% Analysis Date = 05/02/00 Pct Recovery = 105% Analysis Date = 04/30/00 Pct Recovery = 105% Analysis Date = 04/30/00 Pct Recovery = 105% Analysis Date = 04/27/00 Pct Recovery = 105% Analysis Date = 04/27/00 Pct Recovery = 105% Analysis Date = 04/24/00 Pct Recovery = 105% Analysis Date = 04/24/00 Pct Recovery = 105% Analysis Date = 04/21/00 Pct Recovery = 104% Analysis Date = 04/21/00 Pct Recovery = 104% Analysis Date = 04/18/00 Pct Recovery = 104% Analysis Date = 04/18/00 Pct Recovery = 104% Analysis Date = 04/15/00 Pct Recovery = 104% Analysis Date = 04/15/00 Pct Recovery = 104% Analysis Date = 04/12/00 Pct Recovery = 103% Analysis Date = 04/12/00 Pct Recovery = 103% Analysis Date = 04/09/00 Pct Recovery = 103% Analysis Date = 04/09/00 Pct Recovery = 103% Analysis Date = 04/06/00 Pct Recovery = 103% Analysis Date = 04/06/00 Pct Recovery = 103% Analysis Date = 04/03/00 Pct Recovery = 102% Analysis Date = 04/03/00 Pct Recovery = 102% Analysis Date = 03/31/00 Pct Recovery = 102% Analysis Date = 03/31/00 Pct Recovery = 102% Analysis Date = 03/28/00 Pct Recovery = 102% Analysis Date = 03/28/00 Pct Recovery = 102% Analysis Date = 03/25/00 Pct Recovery = 102% Analysis Date = 03/25/00 Pct Recovery = 102% Analysis Date = 03/22/00 Pct Recovery = 101% Analysis Date = 03/22/00 Pct Recovery = 101% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/19/00 Pct Recovery = 102% Analysis Date = 03/16/00 Pct Recovery = 102% Analysis Date = 03/16/00 Pct Recovery = 102% Analysis Date = 03/13/00 Pct Recovery = 102% Analysis Date = 03/13/00 Pct Recovery = 102% Analysis Date = 03/10/00 Pct Recovery = 102% Analysis Date = 03/10/00 Pct Recovery = 102% Analysis Date = 03/07/00 Pct Recovery = 102% Analysis Date = 03/07/00 Pct Recovery = 102% Analysis Date = 03/04/00 Pct Recovery = 102% Analysis Date = 03/04/00 Pct Recovery = 102% Analysis Date = 03/01/00 Pct Recovery = 102% Analysis Date = 03/01/00 Pct Recovery = 102% Analysis Date = 02/27/00 Pct Recovery = 102% Analysis Date = 02/27/00 Pct Recovery = 102% Analysis Date = 02/24/00 Pct Recovery = 103% Analysis Date = 02/24/00 Pct Recovery = 103% Analysis Date = 02/22/00 Pct Recovery = 103% Analysis Date = 02/22/00 Pct Recovery = 103% Analysis Date = 02/19/00 Pct Recovery = 103% Analysis Date = 02/19/00 Pct Recovery = 103% Analysis Date = 02/16/00 Pct Recovery = 104% Analysis Date = 02/16/00 Pct Recovery = 104% Analysis Date = 02/13/00 Pct Recovery = 104% Analysis Date = 02/13/00 Pct Recovery = 104% Analysis Date = 02/10/00 Pct Recovery = 104% Analysis Date = 02/10/00 Pct Recovery = 104% Analysis Date = 02/07/00 Pct Recovery = 105% Analysis Date = 02/07/00 Pct Recovery = 105% Analysis Date = 02/04/00 Pct Recovery = 105% Analysis Date = 02/04/00 Pct Recovery = 105% Analysis Date = 02/01/00 Pct Recovery = 105% Analysis Date = 02/01/00 Pct Recovery = 105% Analysis Date = 01/29/00 Pct Recovery = 106% Analysis Date = 01/29/00 Pct Recovery = 106% Analysis Date = 01/26/00 Pct Recovery = 106% Analysis Date = 01/26/00 Pct Recovery = 106% Analysis Date = 01/23/00 Pct Recovery = 106% Analysis Date = 01/23/00 Pct Recovery = 106% Analysis Date = 01/20/00 Pct Recovery = 107% Analysis Date = 01/20/00 Pct Recovery = 107% Analysis Date = 01/17/00 Pct Recovery = 107% Analysis Date = 01/17/00 Pct Recovery = 107% Analysis Date = 01/14/00 Pct Recovery = 107% Analysis Date = 01/14/00 Pct Recovery = 107% Analysis Date = 01/11/00 Pct Recovery = 108% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
ETHYLBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 105% 10% 106% 10%
Total 21 105% 10% 106% 10%

Sample Statistics
ETHYLBENZENE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
ETHYL METHACRYLATE
METHOD: 4054 , TESTIDCODE: 73570GCM66
Open Data Set

Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 99% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 101% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 121% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 100% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 105% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 112% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 101% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 94% Analysis Date = 10/03/03 Pct Recovery = 100% Analysis Date = 09/28/03 Pct Recovery = 102% Analysis Date = 09/28/03 Pct Recovery = 102% Analysis Date = 09/22/03 Pct Recovery = 103% Analysis Date = 09/22/03 Pct Recovery = 103% Analysis Date = 09/16/03 Pct Recovery = 104% Analysis Date = 09/16/03 Pct Recovery = 104% Analysis Date = 09/11/03 Pct Recovery = 105% Analysis Date = 09/11/03 Pct Recovery = 105% Analysis Date = 09/05/03 Pct Recovery = 106% Analysis Date = 09/05/03 Pct Recovery = 106% Analysis Date = 08/30/03 Pct Recovery = 107% Analysis Date = 08/30/03 Pct Recovery = 107% Analysis Date = 08/24/03 Pct Recovery = 108% Analysis Date = 08/24/03 Pct Recovery = 108% Analysis Date = 08/19/03 Pct Recovery = 109% Analysis Date = 08/19/03 Pct Recovery = 109% Analysis Date = 08/13/03 Pct Recovery = 110% Analysis Date = 08/13/03 Pct Recovery = 110% Analysis Date = 08/07/03 Pct Recovery = 111% Analysis Date = 08/07/03 Pct Recovery = 111% Analysis Date = 08/02/03 Pct Recovery = 112% Analysis Date = 08/02/03 Pct Recovery = 112% Analysis Date = 07/27/03 Pct Recovery = 112% Analysis Date = 07/27/03 Pct Recovery = 112% Analysis Date = 07/21/03 Pct Recovery = 112% Analysis Date = 07/21/03 Pct Recovery = 112% Analysis Date = 07/15/03 Pct Recovery = 112% Analysis Date = 07/15/03 Pct Recovery = 112% Analysis Date = 07/10/03 Pct Recovery = 112% Analysis Date = 07/10/03 Pct Recovery = 112% Analysis Date = 07/04/03 Pct Recovery = 112% Analysis Date = 07/04/03 Pct Recovery = 112% Analysis Date = 06/28/03 Pct Recovery = 111% Analysis Date = 06/28/03 Pct Recovery = 111% Analysis Date = 06/23/03 Pct Recovery = 111% Analysis Date = 06/23/03 Pct Recovery = 111% Analysis Date = 06/17/03 Pct Recovery = 111% Analysis Date = 06/17/03 Pct Recovery = 111% Analysis Date = 06/11/03 Pct Recovery = 111% Analysis Date = 06/11/03 Pct Recovery = 111% Analysis Date = 06/05/03 Pct Recovery = 111% Analysis Date = 06/05/03 Pct Recovery = 111% Analysis Date = 05/31/03 Pct Recovery = 111% Analysis Date = 05/31/03 Pct Recovery = 111% Analysis Date = 05/25/03 Pct Recovery = 111% Analysis Date = 05/25/03 Pct Recovery = 111% Analysis Date = 05/19/03 Pct Recovery = 111% Analysis Date = 05/19/03 Pct Recovery = 111% Analysis Date = 05/14/03 Pct Recovery = 110% Analysis Date = 05/14/03 Pct Recovery = 110% Analysis Date = 05/08/03 Pct Recovery = 110% Analysis Date = 05/08/03 Pct Recovery = 110% Analysis Date = 05/02/03 Pct Recovery = 110% Analysis Date = 05/02/03 Pct Recovery = 110% Analysis Date = 04/26/03 Pct Recovery = 110% Analysis Date = 04/26/03 Pct Recovery = 110% Analysis Date = 04/21/03 Pct Recovery = 110% Analysis Date = 04/21/03 Pct Recovery = 110% Analysis Date = 04/15/03 Pct Recovery = 110% Analysis Date = 04/15/03 Pct Recovery = 110% Analysis Date = 04/09/03 Pct Recovery = 110% Analysis Date = 04/09/03 Pct Recovery = 110% Analysis Date = 04/04/03 Pct Recovery = 110% Analysis Date = 04/04/03 Pct Recovery = 110% Analysis Date = 03/29/03 Pct Recovery = 110% Analysis Date = 03/29/03 Pct Recovery = 110% Analysis Date = 03/23/03 Pct Recovery = 109% Analysis Date = 03/23/03 Pct Recovery = 109% Analysis Date = 03/17/03 Pct Recovery = 109% Analysis Date = 03/17/03 Pct Recovery = 109% Analysis Date = 03/12/03 Pct Recovery = 109% Analysis Date = 03/12/03 Pct Recovery = 109% Analysis Date = 03/06/03 Pct Recovery = 109% Analysis Date = 03/06/03 Pct Recovery = 109% Analysis Date = 02/28/03 Pct Recovery = 109% Analysis Date = 02/28/03 Pct Recovery = 109% Analysis Date = 02/22/03 Pct Recovery = 109% Analysis Date = 02/22/03 Pct Recovery = 109% Analysis Date = 02/17/03 Pct Recovery = 109% Analysis Date = 02/17/03 Pct Recovery = 109% Analysis Date = 02/11/03 Pct Recovery = 109% Analysis Date = 02/11/03 Pct Recovery = 109% Analysis Date = 02/05/03 Pct Recovery = 108% Analysis Date = 02/05/03 Pct Recovery = 108% Analysis Date = 01/31/03 Pct Recovery = 108% Analysis Date = 01/31/03 Pct Recovery = 108% Analysis Date = 01/25/03 Pct Recovery = 108% Analysis Date = 01/25/03 Pct Recovery = 108% Analysis Date = 01/19/03 Pct Recovery = 108% Analysis Date = 01/19/03 Pct Recovery = 108% Analysis Date = 01/13/03 Pct Recovery = 108% Analysis Date = 01/13/03 Pct Recovery = 108% Analysis Date = 01/08/03 Pct Recovery = 108% Analysis Date = 01/08/03 Pct Recovery = 108% Analysis Date = 01/02/03 Pct Recovery = 108% Analysis Date = 01/02/03 Pct Recovery = 108% Analysis Date = 12/27/02 Pct Recovery = 108% Analysis Date = 12/27/02 Pct Recovery = 108% Analysis Date = 12/22/02 Pct Recovery = 108% Analysis Date = 12/22/02 Pct Recovery = 108% Analysis Date = 12/16/02 Pct Recovery = 107% Analysis Date = 12/16/02 Pct Recovery = 107% Analysis Date = 12/10/02 Pct Recovery = 107% Analysis Date = 12/10/02 Pct Recovery = 107% Analysis Date = 12/04/02 Pct Recovery = 107% Analysis Date = 12/04/02 Pct Recovery = 107% Analysis Date = 11/29/02 Pct Recovery = 107% Analysis Date = 11/29/02 Pct Recovery = 107% Analysis Date = 11/23/02 Pct Recovery = 107% Analysis Date = 11/23/02 Pct Recovery = 107% Analysis Date = 11/17/02 Pct Recovery = 107% Analysis Date = 11/17/02 Pct Recovery = 107% Analysis Date = 11/12/02 Pct Recovery = 107% Analysis Date = 11/12/02 Pct Recovery = 107% Analysis Date = 11/06/02 Pct Recovery = 107% Analysis Date = 11/06/02 Pct Recovery = 107% Analysis Date = 10/31/02 Pct Recovery = 106% Analysis Date = 10/31/02 Pct Recovery = 106% Analysis Date = 10/25/02 Pct Recovery = 106% Analysis Date = 10/25/02 Pct Recovery = 106% Analysis Date = 10/20/02 Pct Recovery = 106% Analysis Date = 10/20/02 Pct Recovery = 106% Analysis Date = 10/14/02 Pct Recovery = 106% Analysis Date = 10/14/02 Pct Recovery = 106% Analysis Date = 10/08/02 Pct Recovery = 106% Analysis Date = 10/08/02 Pct Recovery = 106% Analysis Date = 10/03/02 Pct Recovery = 106% Analysis Date = 10/03/02 Pct Recovery = 106% Analysis Date = 09/27/02 Pct Recovery = 106% Analysis Date = 09/27/02 Pct Recovery = 106% Analysis Date = 09/21/02 Pct Recovery = 106% Analysis Date = 09/21/02 Pct Recovery = 106% Analysis Date = 09/15/02 Pct Recovery = 106% Analysis Date = 09/15/02 Pct Recovery = 106% Analysis Date = 09/10/02 Pct Recovery = 105% Analysis Date = 09/10/02 Pct Recovery = 105% Analysis Date = 09/04/02 Pct Recovery = 105% Analysis Date = 09/04/02 Pct Recovery = 105% Analysis Date = 08/29/02 Pct Recovery = 105% Analysis Date = 08/29/02 Pct Recovery = 105% Analysis Date = 08/24/02 Pct Recovery = 105% Analysis Date = 08/24/02 Pct Recovery = 105% Analysis Date = 08/18/02 Pct Recovery = 105% Analysis Date = 08/18/02 Pct Recovery = 105% Analysis Date = 08/12/02 Pct Recovery = 105% Analysis Date = 08/12/02 Pct Recovery = 105% Analysis Date = 08/06/02 Pct Recovery = 105% Analysis Date = 08/06/02 Pct Recovery = 105% Analysis Date = 08/01/02 Pct Recovery = 105% Analysis Date = 08/01/02 Pct Recovery = 105% Analysis Date = 07/26/02 Pct Recovery = 104% Analysis Date = 07/26/02 Pct Recovery = 104% Analysis Date = 07/20/02 Pct Recovery = 104% Analysis Date = 07/20/02 Pct Recovery = 104% Analysis Date = 07/14/02 Pct Recovery = 104% Analysis Date = 07/14/02 Pct Recovery = 104% Analysis Date = 07/09/02 Pct Recovery = 104% Analysis Date = 07/09/02 Pct Recovery = 104% Analysis Date = 07/03/02 Pct Recovery = 104% Analysis Date = 07/03/02 Pct Recovery = 104% Analysis Date = 06/27/02 Pct Recovery = 104% Analysis Date = 06/27/02 Pct Recovery = 104% Analysis Date = 06/22/02 Pct Recovery = 104% Analysis Date = 06/22/02 Pct Recovery = 104% Analysis Date = 06/16/02 Pct Recovery = 104% Analysis Date = 06/16/02 Pct Recovery = 104% Analysis Date = 06/10/02 Pct Recovery = 104% Analysis Date = 06/10/02 Pct Recovery = 104% Analysis Date = 06/04/02 Pct Recovery = 103% Analysis Date = 06/04/02 Pct Recovery = 103% Analysis Date = 05/30/02 Pct Recovery = 103% Analysis Date = 05/30/02 Pct Recovery = 103% Analysis Date = 05/24/02 Pct Recovery = 103% Analysis Date = 05/24/02 Pct Recovery = 103% Analysis Date = 05/18/02 Pct Recovery = 103% Analysis Date = 05/18/02 Pct Recovery = 103% Analysis Date = 05/13/02 Pct Recovery = 103% Analysis Date = 05/13/02 Pct Recovery = 103% Analysis Date = 05/07/02 Pct Recovery = 103% Analysis Date = 05/07/02 Pct Recovery = 103% Analysis Date = 05/01/02 Pct Recovery = 103% Analysis Date = 05/01/02 Pct Recovery = 103% Analysis Date = 04/25/02 Pct Recovery = 103% Analysis Date = 04/25/02 Pct Recovery = 103% Analysis Date = 04/20/02 Pct Recovery = 103% Analysis Date = 04/20/02 Pct Recovery = 103% Analysis Date = 04/14/02 Pct Recovery = 102% Analysis Date = 04/14/02 Pct Recovery = 102% Analysis Date = 04/08/02 Pct Recovery = 102% Analysis Date = 04/08/02 Pct Recovery = 102% Analysis Date = 04/03/02 Pct Recovery = 102% Analysis Date = 04/03/02 Pct Recovery = 102% Analysis Date = 03/28/02 Pct Recovery = 102% Analysis Date = 03/28/02 Pct Recovery = 102% Analysis Date = 03/22/02 Pct Recovery = 102% Analysis Date = 03/22/02 Pct Recovery = 102% Analysis Date = 03/16/02 Pct Recovery = 102% Analysis Date = 03/16/02 Pct Recovery = 102% Analysis Date = 03/11/02 Pct Recovery = 102% Analysis Date = 03/11/02 Pct Recovery = 102% Analysis Date = 03/05/02 Pct Recovery = 102% Analysis Date = 03/05/02 Pct Recovery = 102% Analysis Date = 02/27/02 Pct Recovery = 101% Analysis Date = 02/27/02 Pct Recovery = 101% Analysis Date = 02/22/02 Pct Recovery = 101% Analysis Date = 02/22/02 Pct Recovery = 101% Analysis Date = 02/16/02 Pct Recovery = 101% Analysis Date = 02/16/02 Pct Recovery = 101% Analysis Date = 02/10/02 Pct Recovery = 101% Analysis Date = 02/10/02 Pct Recovery = 101% Analysis Date = 02/04/02 Pct Recovery = 101% Analysis Date = 02/04/02 Pct Recovery = 101% Analysis Date = 01/30/02 Pct Recovery = 101% Analysis Date = 01/30/02 Pct Recovery = 101% Analysis Date = 01/24/02 Pct Recovery = 101% Analysis Date = 01/24/02 Pct Recovery = 101% Analysis Date = 01/18/02 Pct Recovery = 101% Analysis Date = 01/18/02 Pct Recovery = 101% Analysis Date = 01/13/02 Pct Recovery = 101% Analysis Date = 01/13/02 Pct Recovery = 101% Analysis Date = 01/07/02 Pct Recovery = 100% Analysis Date = 01/07/02 Pct Recovery = 100% Analysis Date = 01/01/02 Pct Recovery = 100% Analysis Date = 01/01/02 Pct Recovery = 100% Analysis Date = 12/26/01 Pct Recovery = 100% Analysis Date = 12/26/01 Pct Recovery = 100% Analysis Date = 12/21/01 Pct Recovery = 100% Analysis Date = 12/21/01 Pct Recovery = 100% Analysis Date = 12/15/01 Pct Recovery = 100% Analysis Date = 12/15/01 Pct Recovery = 100% Analysis Date = 12/09/01 Pct Recovery = 100% Analysis Date = 12/09/01 Pct Recovery = 100% Analysis Date = 12/03/01 Pct Recovery = 100% Analysis Date = 12/03/01 Pct Recovery = 100% Analysis Date = 11/28/01 Pct Recovery = 100% Analysis Date = 11/28/01 Pct Recovery = 100% Analysis Date = 11/22/01 Pct Recovery = 99% Analysis Date = 11/22/01 Pct Recovery = 99% Analysis Date = 11/16/01 Pct Recovery = 99% Analysis Date = 11/16/01 Pct Recovery = 99% Analysis Date = 11/11/01 Pct Recovery = 99% Analysis Date = 11/11/01 Pct Recovery = 99% Analysis Date = 11/05/01 Pct Recovery = 99% Analysis Date = 11/05/01 Pct Recovery = 99% Analysis Date = 10/30/01 Pct Recovery = 99% Analysis Date = 10/30/01 Pct Recovery = 99% Analysis Date = 10/24/01 Pct Recovery = 99% Analysis Date = 10/24/01 Pct Recovery = 99% Analysis Date = 10/19/01 Pct Recovery = 99% Analysis Date = 10/19/01 Pct Recovery = 99% Analysis Date = 10/13/01 Pct Recovery = 99% Analysis Date = 10/13/01 Pct Recovery = 99% Analysis Date = 10/07/01 Pct Recovery = 99% Analysis Date = 10/07/01 Pct Recovery = 99% Analysis Date = 10/02/01 Pct Recovery = 98% Analysis Date = 10/02/01 Pct Recovery = 98% Analysis Date = 09/26/01 Pct Recovery = 98% Analysis Date = 09/26/01 Pct Recovery = 98% Analysis Date = 09/20/01 Pct Recovery = 98% Analysis Date = 09/20/01 Pct Recovery = 98% Analysis Date = 09/14/01 Pct Recovery = 98% Analysis Date = 09/14/01 Pct Recovery = 98% Analysis Date = 09/09/01 Pct Recovery = 98% Analysis Date = 09/09/01 Pct Recovery = 98% Analysis Date = 09/03/01 Pct Recovery = 98% Analysis Date = 09/03/01 Pct Recovery = 98% Analysis Date = 08/28/01 Pct Recovery = 98% Analysis Date = 08/28/01 Pct Recovery = 98% Analysis Date = 08/23/01 Pct Recovery = 98% Analysis Date = 08/23/01 Pct Recovery = 98% Analysis Date = 08/17/01 Pct Recovery = 97% Analysis Date = 08/17/01 Pct Recovery = 97% Analysis Date = 08/11/01 Pct Recovery = 97% Analysis Date = 08/11/01 Pct Recovery = 97% Analysis Date = 08/05/01 Pct Recovery = 97% Analysis Date = 08/05/01 Pct Recovery = 97% Analysis Date = 07/31/01 Pct Recovery = 97% Analysis Date = 07/31/01 Pct Recovery = 97% Analysis Date = 07/25/01 Pct Recovery = 98% Analysis Date = 07/25/01 Pct Recovery = 98% Analysis Date = 07/19/01 Pct Recovery = 98% Analysis Date = 07/19/01 Pct Recovery = 98% Analysis Date = 07/14/01 Pct Recovery = 99% Analysis Date = 07/14/01 Pct Recovery = 99% Analysis Date = 07/08/01 Pct Recovery = 99% Analysis Date = 07/08/01 Pct Recovery = 99% Analysis Date = 07/02/01 Pct Recovery = 100% Analysis Date = 07/02/01 Pct Recovery = 100% Analysis Date = 06/26/01 Pct Recovery = 100% Analysis Date = 06/26/01 Pct Recovery = 100% Analysis Date = 06/21/01 Pct Recovery = 101% Analysis Date = 06/21/01 Pct Recovery = 101% Analysis Date = 06/15/01 Pct Recovery = 101% Analysis Date = 06/15/01 Pct Recovery = 101% Analysis Date = 06/09/01 Pct Recovery = 102% Analysis Date = 06/09/01 Pct Recovery = 102% Analysis Date = 06/04/01 Pct Recovery = 102% Analysis Date = 06/04/01 Pct Recovery = 102% Analysis Date = 05/29/01 Pct Recovery = 103% Analysis Date = 05/29/01 Pct Recovery = 103% Analysis Date = 05/23/01 Pct Recovery = 104% Analysis Date = 05/23/01 Pct Recovery = 104% Analysis Date = 05/17/01 Pct Recovery = 104% Analysis Date = 05/17/01 Pct Recovery = 104% Analysis Date = 05/12/01 Pct Recovery = 105% Analysis Date = 05/12/01 Pct Recovery = 105% Analysis Date = 05/06/01 Pct Recovery = 105% Analysis Date = 05/06/01 Pct Recovery = 105% Analysis Date = 04/30/01 Pct Recovery = 106% Analysis Date = 04/30/01 Pct Recovery = 106% Analysis Date = 04/24/01 Pct Recovery = 106% Analysis Date = 04/24/01 Pct Recovery = 106% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/07/01 Pct Recovery = 108% Analysis Date = 04/07/01 Pct Recovery = 108% Analysis Date = 04/02/01 Pct Recovery = 108% Analysis Date = 04/02/01 Pct Recovery = 108% Analysis Date = 03/27/01 Pct Recovery = 108% Analysis Date = 03/27/01 Pct Recovery = 108% Analysis Date = 03/21/01 Pct Recovery = 108% Analysis Date = 03/21/01 Pct Recovery = 108% Analysis Date = 03/15/01 Pct Recovery = 109% Analysis Date = 03/15/01 Pct Recovery = 109% Analysis Date = 03/10/01 Pct Recovery = 109% Analysis Date = 03/10/01 Pct Recovery = 109% Analysis Date = 03/04/01 Pct Recovery = 109% Analysis Date = 03/04/01 Pct Recovery = 109% Analysis Date = 02/26/01 Pct Recovery = 109% Analysis Date = 02/26/01 Pct Recovery = 109% Analysis Date = 02/21/01 Pct Recovery = 110% Analysis Date = 02/21/01 Pct Recovery = 110% Analysis Date = 02/15/01 Pct Recovery = 109% Analysis Date = 02/15/01 Pct Recovery = 109% Analysis Date = 02/09/01 Pct Recovery = 109% Analysis Date = 02/09/01 Pct Recovery = 109% Analysis Date = 02/03/01 Pct Recovery = 109% Analysis Date = 02/03/01 Pct Recovery = 109% Analysis Date = 01/29/01 Pct Recovery = 108% Analysis Date = 01/29/01 Pct Recovery = 108% Analysis Date = 01/23/01 Pct Recovery = 108% Analysis Date = 01/23/01 Pct Recovery = 108% Analysis Date = 01/17/01 Pct Recovery = 108% Analysis Date = 01/17/01 Pct Recovery = 108% Analysis Date = 01/12/01 Pct Recovery = 107% Analysis Date = 01/12/01 Pct Recovery = 107% Analysis Date = 01/06/01 Pct Recovery = 107% Analysis Date = 01/06/01 Pct Recovery = 107% Analysis Date = 12/31/00 Pct Recovery = 107% Analysis Date = 12/31/00 Pct Recovery = 107% Analysis Date = 12/25/00 Pct Recovery = 106% Analysis Date = 12/25/00 Pct Recovery = 106% Analysis Date = 12/20/00 Pct Recovery = 106% Analysis Date = 12/20/00 Pct Recovery = 106% Analysis Date = 12/14/00 Pct Recovery = 106% Analysis Date = 12/14/00 Pct Recovery = 106% Analysis Date = 12/08/00 Pct Recovery = 105% Analysis Date = 12/08/00 Pct Recovery = 105% Analysis Date = 12/03/00 Pct Recovery = 105% Analysis Date = 12/03/00 Pct Recovery = 105% Analysis Date = 11/27/00 Pct Recovery = 105% Analysis Date = 11/27/00 Pct Recovery = 105% Analysis Date = 11/21/00 Pct Recovery = 104% Analysis Date = 11/21/00 Pct Recovery = 104% Analysis Date = 11/15/00 Pct Recovery = 104% Analysis Date = 11/15/00 Pct Recovery = 104% Analysis Date = 11/10/00 Pct Recovery = 103% Analysis Date = 11/10/00 Pct Recovery = 103% Analysis Date = 11/04/00 Pct Recovery = 102% Analysis Date = 11/04/00 Pct Recovery = 102% Analysis Date = 10/29/00 Pct Recovery = 102% Analysis Date = 10/29/00 Pct Recovery = 102% Analysis Date = 10/24/00 Pct Recovery = 101% Analysis Date = 10/24/00 Pct Recovery = 101% Analysis Date = 10/18/00 Pct Recovery = 100% Analysis Date = 10/18/00 Pct Recovery = 100% Analysis Date = 10/12/00 Pct Recovery = 100% Analysis Date = 10/12/00 Pct Recovery = 100% Analysis Date = 10/06/00 Pct Recovery = 99% Analysis Date = 10/06/00 Pct Recovery = 99% Analysis Date = 10/01/00 Pct Recovery = 98% Analysis Date = 10/01/00 Pct Recovery = 98% Analysis Date = 09/25/00 Pct Recovery = 98% Analysis Date = 09/25/00 Pct Recovery = 98% Analysis Date = 09/19/00 Pct Recovery = 97% Analysis Date = 09/19/00 Pct Recovery = 97% Analysis Date = 09/13/00 Pct Recovery = 96% Analysis Date = 09/13/00 Pct Recovery = 96% Analysis Date = 09/08/00 Pct Recovery = 96% Analysis Date = 09/08/00 Pct Recovery = 96% Analysis Date = 09/02/00 Pct Recovery = 95% Analysis Date = 09/02/00 Pct Recovery = 95% Analysis Date = 08/27/00 Pct Recovery = 94% Analysis Date = 08/27/00 Pct Recovery = 94% Analysis Date = 08/22/00 Pct Recovery = 93% Analysis Date = 08/22/00 Pct Recovery = 93% Analysis Date = 08/16/00 Pct Recovery = 93% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
ETHYL METHACRYLATE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 8 104% 9% 101% 7%
Total 8 104% 9% 101% 7%

Sample Statistics
ETHYL METHACRYLATE

Characteristic N % % Basis
Plotted 8 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 8 .  
False Negatives 0 0% 0 out of 8
Not Spiked 28 .  
False Positives 0 0% 0 out of 28

BQS OBSP Determination:
ETHYL TERT-BUTYL ETHER
METHOD: 4054 , TESTIDCODE: 50004GCM66
Open Data Set

Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 111% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 120% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 110% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 119% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 95% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 103% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 91% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 114% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 104% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 111% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 91% Analysis Date = 07/08/03 Pct Recovery = 113% Analysis Date = 07/03/03 Pct Recovery = 113% Analysis Date = 07/03/03 Pct Recovery = 113% Analysis Date = 06/28/03 Pct Recovery = 113% Analysis Date = 06/28/03 Pct Recovery = 113% Analysis Date = 06/23/03 Pct Recovery = 113% Analysis Date = 06/23/03 Pct Recovery = 113% Analysis Date = 06/17/03 Pct Recovery = 113% Analysis Date = 06/17/03 Pct Recovery = 113% Analysis Date = 06/12/03 Pct Recovery = 113% Analysis Date = 06/12/03 Pct Recovery = 113% Analysis Date = 06/07/03 Pct Recovery = 113% Analysis Date = 06/07/03 Pct Recovery = 113% Analysis Date = 06/02/03 Pct Recovery = 113% Analysis Date = 06/02/03 Pct Recovery = 113% Analysis Date = 05/27/03 Pct Recovery = 113% Analysis Date = 05/27/03 Pct Recovery = 113% Analysis Date = 05/22/03 Pct Recovery = 114% Analysis Date = 05/22/03 Pct Recovery = 114% Analysis Date = 05/17/03 Pct Recovery = 114% Analysis Date = 05/17/03 Pct Recovery = 114% Analysis Date = 05/11/03 Pct Recovery = 114% Analysis Date = 05/11/03 Pct Recovery = 114% Analysis Date = 05/06/03 Pct Recovery = 113% Analysis Date = 05/06/03 Pct Recovery = 113% Analysis Date = 05/01/03 Pct Recovery = 113% Analysis Date = 05/01/03 Pct Recovery = 113% Analysis Date = 04/26/03 Pct Recovery = 113% Analysis Date = 04/26/03 Pct Recovery = 113% Analysis Date = 04/20/03 Pct Recovery = 113% Analysis Date = 04/20/03 Pct Recovery = 113% Analysis Date = 04/15/03 Pct Recovery = 113% Analysis Date = 04/15/03 Pct Recovery = 113% Analysis Date = 04/10/03 Pct Recovery = 113% Analysis Date = 04/10/03 Pct Recovery = 113% Analysis Date = 04/04/03 Pct Recovery = 113% Analysis Date = 04/04/03 Pct Recovery = 113% Analysis Date = 03/30/03 Pct Recovery = 113% Analysis Date = 03/30/03 Pct Recovery = 113% Analysis Date = 03/25/03 Pct Recovery = 113% Analysis Date = 03/25/03 Pct Recovery = 113% Analysis Date = 03/20/03 Pct Recovery = 113% Analysis Date = 03/20/03 Pct Recovery = 113% Analysis Date = 03/14/03 Pct Recovery = 112% Analysis Date = 03/14/03 Pct Recovery = 112% Analysis Date = 03/09/03 Pct Recovery = 112% Analysis Date = 03/09/03 Pct Recovery = 112% Analysis Date = 03/04/03 Pct Recovery = 112% Analysis Date = 03/04/03 Pct Recovery = 112% Analysis Date = 02/26/03 Pct Recovery = 112% Analysis Date = 02/26/03 Pct Recovery = 112% Analysis Date = 02/21/03 Pct Recovery = 112% Analysis Date = 02/21/03 Pct Recovery = 112% Analysis Date = 02/16/03 Pct Recovery = 112% Analysis Date = 02/16/03 Pct Recovery = 112% Analysis Date = 02/11/03 Pct Recovery = 112% Analysis Date = 02/11/03 Pct Recovery = 112% Analysis Date = 02/05/03 Pct Recovery = 112% Analysis Date = 02/05/03 Pct Recovery = 112% Analysis Date = 01/31/03 Pct Recovery = 112% Analysis Date = 01/31/03 Pct Recovery = 112% Analysis Date = 01/26/03 Pct Recovery = 112% Analysis Date = 01/26/03 Pct Recovery = 112% Analysis Date = 01/20/03 Pct Recovery = 111% Analysis Date = 01/20/03 Pct Recovery = 111% Analysis Date = 01/15/03 Pct Recovery = 111% Analysis Date = 01/15/03 Pct Recovery = 111% Analysis Date = 01/10/03 Pct Recovery = 111% Analysis Date = 01/10/03 Pct Recovery = 111% Analysis Date = 01/05/03 Pct Recovery = 111% Analysis Date = 01/05/03 Pct Recovery = 111% Analysis Date = 12/30/02 Pct Recovery = 111% Analysis Date = 12/30/02 Pct Recovery = 111% Analysis Date = 12/25/02 Pct Recovery = 111% Analysis Date = 12/25/02 Pct Recovery = 111% Analysis Date = 12/20/02 Pct Recovery = 111% Analysis Date = 12/20/02 Pct Recovery = 111% Analysis Date = 12/14/02 Pct Recovery = 111% Analysis Date = 12/14/02 Pct Recovery = 111% Analysis Date = 12/09/02 Pct Recovery = 111% Analysis Date = 12/09/02 Pct Recovery = 111% Analysis Date = 12/04/02 Pct Recovery = 111% Analysis Date = 12/04/02 Pct Recovery = 111% Analysis Date = 11/29/02 Pct Recovery = 110% Analysis Date = 11/29/02 Pct Recovery = 110% Analysis Date = 11/23/02 Pct Recovery = 110% Analysis Date = 11/23/02 Pct Recovery = 110% Analysis Date = 11/18/02 Pct Recovery = 110% Analysis Date = 11/18/02 Pct Recovery = 110% Analysis Date = 11/13/02 Pct Recovery = 110% Analysis Date = 11/13/02 Pct Recovery = 110% Analysis Date = 11/07/02 Pct Recovery = 110% Analysis Date = 11/07/02 Pct Recovery = 110% Analysis Date = 11/02/02 Pct Recovery = 110% Analysis Date = 11/02/02 Pct Recovery = 110% Analysis Date = 10/28/02 Pct Recovery = 110% Analysis Date = 10/28/02 Pct Recovery = 110% Analysis Date = 10/23/02 Pct Recovery = 110% Analysis Date = 10/23/02 Pct Recovery = 110% Analysis Date = 10/17/02 Pct Recovery = 110% Analysis Date = 10/17/02 Pct Recovery = 110% Analysis Date = 10/12/02 Pct Recovery = 110% Analysis Date = 10/12/02 Pct Recovery = 110% Analysis Date = 10/07/02 Pct Recovery = 109% Analysis Date = 10/07/02 Pct Recovery = 109% Analysis Date = 10/02/02 Pct Recovery = 109% Analysis Date = 10/02/02 Pct Recovery = 109% Analysis Date = 09/26/02 Pct Recovery = 109% Analysis Date = 09/26/02 Pct Recovery = 109% Analysis Date = 09/21/02 Pct Recovery = 109% Analysis Date = 09/21/02 Pct Recovery = 109% Analysis Date = 09/16/02 Pct Recovery = 109% Analysis Date = 09/16/02 Pct Recovery = 109% Analysis Date = 09/10/02 Pct Recovery = 109% Analysis Date = 09/10/02 Pct Recovery = 109% Analysis Date = 09/05/02 Pct Recovery = 109% Analysis Date = 09/05/02 Pct Recovery = 109% Analysis Date = 08/31/02 Pct Recovery = 109% Analysis Date = 08/31/02 Pct Recovery = 109% Analysis Date = 08/26/02 Pct Recovery = 109% Analysis Date = 08/26/02 Pct Recovery = 109% Analysis Date = 08/20/02 Pct Recovery = 109% Analysis Date = 08/20/02 Pct Recovery = 109% Analysis Date = 08/15/02 Pct Recovery = 109% Analysis Date = 08/15/02 Pct Recovery = 109% Analysis Date = 08/10/02 Pct Recovery = 108% Analysis Date = 08/10/02 Pct Recovery = 108% Analysis Date = 08/04/02 Pct Recovery = 108% Analysis Date = 08/04/02 Pct Recovery = 108% Analysis Date = 07/30/02 Pct Recovery = 108% Analysis Date = 07/30/02 Pct Recovery = 108% Analysis Date = 07/25/02 Pct Recovery = 107% Analysis Date = 07/25/02 Pct Recovery = 107% Analysis Date = 07/20/02 Pct Recovery = 107% Analysis Date = 07/20/02 Pct Recovery = 107% Analysis Date = 07/14/02 Pct Recovery = 106% Analysis Date = 07/14/02 Pct Recovery = 106% Analysis Date = 07/09/02 Pct Recovery = 106% Analysis Date = 07/09/02 Pct Recovery = 106% Analysis Date = 07/04/02 Pct Recovery = 105% Analysis Date = 07/04/02 Pct Recovery = 105% Analysis Date = 06/28/02 Pct Recovery = 105% Analysis Date = 06/28/02 Pct Recovery = 105% Analysis Date = 06/23/02 Pct Recovery = 104% Analysis Date = 06/23/02 Pct Recovery = 104% Analysis Date = 06/18/02 Pct Recovery = 104% Analysis Date = 06/18/02 Pct Recovery = 104% Analysis Date = 06/13/02 Pct Recovery = 103% Analysis Date = 06/13/02 Pct Recovery = 103% Analysis Date = 06/07/02 Pct Recovery = 103% Analysis Date = 06/07/02 Pct Recovery = 103% Analysis Date = 06/02/02 Pct Recovery = 102% Analysis Date = 06/02/02 Pct Recovery = 102% Analysis Date = 05/28/02 Pct Recovery = 102% Analysis Date = 05/28/02 Pct Recovery = 102% Analysis Date = 05/22/02 Pct Recovery = 102% Analysis Date = 05/22/02 Pct Recovery = 102% Analysis Date = 05/17/02 Pct Recovery = 101% Analysis Date = 05/17/02 Pct Recovery = 101% Analysis Date = 05/12/02 Pct Recovery = 101% Analysis Date = 05/12/02 Pct Recovery = 101% Analysis Date = 05/07/02 Pct Recovery = 100% Analysis Date = 05/07/02 Pct Recovery = 100% Analysis Date = 05/01/02 Pct Recovery = 101% Analysis Date = 05/01/02 Pct Recovery = 101% Analysis Date = 04/26/02 Pct Recovery = 101% Analysis Date = 04/26/02 Pct Recovery = 101% Analysis Date = 04/21/02 Pct Recovery = 101% Analysis Date = 04/21/02 Pct Recovery = 101% Analysis Date = 04/15/02 Pct Recovery = 102% Analysis Date = 04/15/02 Pct Recovery = 102% Analysis Date = 04/10/02 Pct Recovery = 102% Analysis Date = 04/10/02 Pct Recovery = 102% Analysis Date = 04/05/02 Pct Recovery = 102% Analysis Date = 04/05/02 Pct Recovery = 102% Analysis Date = 03/31/02 Pct Recovery = 103% Analysis Date = 03/31/02 Pct Recovery = 103% Analysis Date = 03/25/02 Pct Recovery = 103% Analysis Date = 03/25/02 Pct Recovery = 103% Analysis Date = 03/20/02 Pct Recovery = 103% Analysis Date = 03/20/02 Pct Recovery = 103% Analysis Date = 03/15/02 Pct Recovery = 104% Analysis Date = 03/15/02 Pct Recovery = 104% Analysis Date = 03/09/02 Pct Recovery = 104% Analysis Date = 03/09/02 Pct Recovery = 104% Analysis Date = 03/04/02 Pct Recovery = 104% Analysis Date = 03/04/02 Pct Recovery = 104% Analysis Date = 02/27/02 Pct Recovery = 105% Analysis Date = 02/27/02 Pct Recovery = 105% Analysis Date = 02/22/02 Pct Recovery = 105% Analysis Date = 02/22/02 Pct Recovery = 105% Analysis Date = 02/16/02 Pct Recovery = 105% Analysis Date = 02/16/02 Pct Recovery = 105% Analysis Date = 02/11/02 Pct Recovery = 106% Analysis Date = 02/11/02 Pct Recovery = 106% Analysis Date = 02/06/02 Pct Recovery = 106% Analysis Date = 02/06/02 Pct Recovery = 106% Analysis Date = 01/31/02 Pct Recovery = 106% Analysis Date = 01/31/02 Pct Recovery = 106% Analysis Date = 01/26/02 Pct Recovery = 107% Analysis Date = 01/26/02 Pct Recovery = 107% Analysis Date = 01/21/02 Pct Recovery = 107% Analysis Date = 01/21/02 Pct Recovery = 107% Analysis Date = 01/16/02 Pct Recovery = 107% Analysis Date = 01/16/02 Pct Recovery = 107% Analysis Date = 01/10/02 Pct Recovery = 108% Analysis Date = 01/10/02 Pct Recovery = 108% Analysis Date = 01/05/02 Pct Recovery = 108% Analysis Date = 01/05/02 Pct Recovery = 108% Analysis Date = 12/31/01 Pct Recovery = 107% Analysis Date = 12/31/01 Pct Recovery = 107% Analysis Date = 12/26/01 Pct Recovery = 107% Analysis Date = 12/26/01 Pct Recovery = 107% Analysis Date = 12/20/01 Pct Recovery = 107% Analysis Date = 12/20/01 Pct Recovery = 107% Analysis Date = 12/15/01 Pct Recovery = 107% Analysis Date = 12/15/01 Pct Recovery = 107% Analysis Date = 12/10/01 Pct Recovery = 107% Analysis Date = 12/10/01 Pct Recovery = 107% Analysis Date = 12/04/01 Pct Recovery = 107% Analysis Date = 12/04/01 Pct Recovery = 107% Analysis Date = 11/29/01 Pct Recovery = 107% Analysis Date = 11/29/01 Pct Recovery = 107% Analysis Date = 11/24/01 Pct Recovery = 107% Analysis Date = 11/24/01 Pct Recovery = 107% Analysis Date = 11/19/01 Pct Recovery = 107% Analysis Date = 11/19/01 Pct Recovery = 107% Analysis Date = 11/13/01 Pct Recovery = 107% Analysis Date = 11/13/01 Pct Recovery = 107% Analysis Date = 11/08/01 Pct Recovery = 107% Analysis Date = 11/08/01 Pct Recovery = 107% Analysis Date = 11/03/01 Pct Recovery = 107% Analysis Date = 11/03/01 Pct Recovery = 107% Analysis Date = 10/28/01 Pct Recovery = 106% Analysis Date = 10/28/01 Pct Recovery = 106% Analysis Date = 10/23/01 Pct Recovery = 106% Analysis Date = 10/23/01 Pct Recovery = 106% Analysis Date = 10/18/01 Pct Recovery = 106% Analysis Date = 10/18/01 Pct Recovery = 106% Analysis Date = 10/13/01 Pct Recovery = 106% Analysis Date = 10/13/01 Pct Recovery = 106% Analysis Date = 10/07/01 Pct Recovery = 106% Analysis Date = 10/07/01 Pct Recovery = 106% Analysis Date = 10/02/01 Pct Recovery = 106% Analysis Date = 10/02/01 Pct Recovery = 106% Analysis Date = 09/27/01 Pct Recovery = 106% Analysis Date = 09/27/01 Pct Recovery = 106% Analysis Date = 09/21/01 Pct Recovery = 106% Analysis Date = 09/21/01 Pct Recovery = 106% Analysis Date = 09/16/01 Pct Recovery = 106% Analysis Date = 09/16/01 Pct Recovery = 106% Analysis Date = 09/11/01 Pct Recovery = 106% Analysis Date = 09/11/01 Pct Recovery = 106% Analysis Date = 09/06/01 Pct Recovery = 106% Analysis Date = 09/06/01 Pct Recovery = 106% Analysis Date = 08/31/01 Pct Recovery = 106% Analysis Date = 08/31/01 Pct Recovery = 106% Analysis Date = 08/26/01 Pct Recovery = 106% Analysis Date = 08/26/01 Pct Recovery = 106% Analysis Date = 08/21/01 Pct Recovery = 105% Analysis Date = 08/21/01 Pct Recovery = 105% Analysis Date = 08/15/01 Pct Recovery = 105% Analysis Date = 08/15/01 Pct Recovery = 105% Analysis Date = 08/10/01 Pct Recovery = 105% Analysis Date = 08/10/01 Pct Recovery = 105% Analysis Date = 08/05/01 Pct Recovery = 105% Analysis Date = 08/05/01 Pct Recovery = 105% Analysis Date = 07/31/01 Pct Recovery = 105% Analysis Date = 07/31/01 Pct Recovery = 105% Analysis Date = 07/25/01 Pct Recovery = 105% Analysis Date = 07/25/01 Pct Recovery = 105% Analysis Date = 07/20/01 Pct Recovery = 105% Analysis Date = 07/20/01 Pct Recovery = 105% Analysis Date = 07/15/01 Pct Recovery = 105% Analysis Date = 07/15/01 Pct Recovery = 105% Analysis Date = 07/09/01 Pct Recovery = 105% Analysis Date = 07/09/01 Pct Recovery = 105% Analysis Date = 07/04/01 Pct Recovery = 105% Analysis Date = 07/04/01 Pct Recovery = 105% Analysis Date = 06/29/01 Pct Recovery = 105% Analysis Date = 06/29/01 Pct Recovery = 105% Analysis Date = 06/24/01 Pct Recovery = 105% Analysis Date = 06/24/01 Pct Recovery = 105% Analysis Date = 06/18/01 Pct Recovery = 105% Analysis Date = 06/18/01 Pct Recovery = 105% Analysis Date = 06/13/01 Pct Recovery = 104% Analysis Date = 06/13/01 Pct Recovery = 104% Analysis Date = 06/08/01 Pct Recovery = 104% Analysis Date = 06/08/01 Pct Recovery = 104% Analysis Date = 06/02/01 Pct Recovery = 104% Analysis Date = 06/02/01 Pct Recovery = 104% Analysis Date = 05/28/01 Pct Recovery = 104% Analysis Date = 05/28/01 Pct Recovery = 104% Analysis Date = 05/23/01 Pct Recovery = 104% Analysis Date = 05/23/01 Pct Recovery = 104% Analysis Date = 05/18/01 Pct Recovery = 104% Analysis Date = 05/18/01 Pct Recovery = 104% Analysis Date = 05/12/01 Pct Recovery = 104% Analysis Date = 05/12/01 Pct Recovery = 104% Analysis Date = 05/07/01 Pct Recovery = 104% Analysis Date = 05/07/01 Pct Recovery = 104% Analysis Date = 05/02/01 Pct Recovery = 104% Analysis Date = 05/02/01 Pct Recovery = 104% Analysis Date = 04/26/01 Pct Recovery = 104% Analysis Date = 04/26/01 Pct Recovery = 104% Analysis Date = 04/21/01 Pct Recovery = 104% Analysis Date = 04/21/01 Pct Recovery = 104% Analysis Date = 04/16/01 Pct Recovery = 104% Analysis Date = 04/16/01 Pct Recovery = 104% Analysis Date = 04/11/01 Pct Recovery = 103% Analysis Date = 04/11/01 Pct Recovery = 103% Analysis Date = 04/05/01 Pct Recovery = 103% Analysis Date = 04/05/01 Pct Recovery = 103% Analysis Date = 03/31/01 Pct Recovery = 103% Analysis Date = 03/31/01 Pct Recovery = 103% Analysis Date = 03/26/01 Pct Recovery = 103% Analysis Date = 03/26/01 Pct Recovery = 103% Analysis Date = 03/21/01 Pct Recovery = 103% Analysis Date = 03/21/01 Pct Recovery = 103% Analysis Date = 03/15/01 Pct Recovery = 103% Analysis Date = 03/15/01 Pct Recovery = 103% Analysis Date = 03/10/01 Pct Recovery = 103% Analysis Date = 03/10/01 Pct Recovery = 103% Analysis Date = 03/05/01 Pct Recovery = 103% Analysis Date = 03/05/01 Pct Recovery = 103% Analysis Date = 02/27/01 Pct Recovery = 103% Analysis Date = 02/27/01 Pct Recovery = 103% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/17/01 Pct Recovery = 103% Analysis Date = 02/17/01 Pct Recovery = 103% Analysis Date = 02/12/01 Pct Recovery = 103% Analysis Date = 02/12/01 Pct Recovery = 103% Analysis Date = 02/06/01 Pct Recovery = 103% Analysis Date = 02/06/01 Pct Recovery = 103% Analysis Date = 02/01/01 Pct Recovery = 102% Analysis Date = 02/01/01 Pct Recovery = 102% Analysis Date = 01/27/01 Pct Recovery = 102% Analysis Date = 01/27/01 Pct Recovery = 102% Analysis Date = 01/21/01 Pct Recovery = 102% Analysis Date = 01/21/01 Pct Recovery = 102% Analysis Date = 01/16/01 Pct Recovery = 102% Analysis Date = 01/16/01 Pct Recovery = 102% Analysis Date = 01/11/01 Pct Recovery = 102% Analysis Date = 01/11/01 Pct Recovery = 102% Analysis Date = 01/06/01 Pct Recovery = 102% Analysis Date = 01/06/01 Pct Recovery = 102% Analysis Date = 12/31/00 Pct Recovery = 102% Analysis Date = 12/31/00 Pct Recovery = 102% Analysis Date = 12/26/00 Pct Recovery = 102% Analysis Date = 12/26/00 Pct Recovery = 102% Analysis Date = 12/21/00 Pct Recovery = 102% Analysis Date = 12/21/00 Pct Recovery = 102% Analysis Date = 12/15/00 Pct Recovery = 102% Analysis Date = 12/15/00 Pct Recovery = 102% Analysis Date = 12/10/00 Pct Recovery = 102% Analysis Date = 12/10/00 Pct Recovery = 102% Analysis Date = 12/05/00 Pct Recovery = 102% Analysis Date = 12/05/00 Pct Recovery = 102% Analysis Date = 11/30/00 Pct Recovery = 102% Analysis Date = 11/30/00 Pct Recovery = 102% Analysis Date = 11/24/00 Pct Recovery = 101% Analysis Date = 11/24/00 Pct Recovery = 101% Analysis Date = 11/19/00 Pct Recovery = 101% Analysis Date = 11/19/00 Pct Recovery = 101% Analysis Date = 11/14/00 Pct Recovery = 101% Analysis Date = 11/14/00 Pct Recovery = 101% Analysis Date = 11/08/00 Pct Recovery = 101% Analysis Date = 11/08/00 Pct Recovery = 101% Analysis Date = 11/03/00 Pct Recovery = 101% Analysis Date = 11/03/00 Pct Recovery = 101% Analysis Date = 10/29/00 Pct Recovery = 101% Analysis Date = 10/29/00 Pct Recovery = 101% Analysis Date = 10/24/00 Pct Recovery = 101% Analysis Date = 10/24/00 Pct Recovery = 101% Analysis Date = 10/18/00 Pct Recovery = 100% Analysis Date = 10/18/00 Pct Recovery = 100% Analysis Date = 10/13/00 Pct Recovery = 100% Analysis Date = 10/13/00 Pct Recovery = 100% Analysis Date = 10/08/00 Pct Recovery = 100% Analysis Date = 10/08/00 Pct Recovery = 100% Analysis Date = 10/02/00 Pct Recovery = 100% Analysis Date = 10/02/00 Pct Recovery = 100% Analysis Date = 09/27/00 Pct Recovery = 100% Analysis Date = 09/27/00 Pct Recovery = 100% Analysis Date = 09/22/00 Pct Recovery = 100% Analysis Date = 09/22/00 Pct Recovery = 100% Analysis Date = 09/17/00 Pct Recovery = 100% Analysis Date = 09/17/00 Pct Recovery = 100% Analysis Date = 09/11/00 Pct Recovery = 99% Analysis Date = 09/11/00 Pct Recovery = 99% Analysis Date = 09/06/00 Pct Recovery = 99% Analysis Date = 09/06/00 Pct Recovery = 99% Analysis Date = 09/01/00 Pct Recovery = 99% Analysis Date = 09/01/00 Pct Recovery = 99% Analysis Date = 08/26/00 Pct Recovery = 99% Analysis Date = 08/26/00 Pct Recovery = 99% Analysis Date = 08/21/00 Pct Recovery = 99% Analysis Date = 08/21/00 Pct Recovery = 99% Analysis Date = 08/16/00 Pct Recovery = 99% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
ETHYL TERT-BUTYL ETHER

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 11 106% 10% 110% 14%
Total 11 106% 10% 110% 14%

Sample Statistics
ETHYL TERT-BUTYL ETHER

Characteristic N % % Basis
Plotted 11 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 11 .  
False Negatives 0 0% 0 out of 11
Not Spiked 25 .  
False Positives 0 0% 0 out of 25

BQS OBSP Determination:
HEXACHLOROBUTADIENE
METHOD: 4054 , TESTIDCODE: 39702GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 105% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 109% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
HEXACHLOROBUTADIENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 2 107% 3% 107% 3%
Total 2 107% 3% 107% 3%

Sample Statistics
HEXACHLOROBUTADIENE

Characteristic N % % Basis
Plotted 2 40% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 3 60% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
HEXACHLOROETHANE
METHOD: 4054 , TESTIDCODE: 34396GCM66
Open Data Set

Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 97% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 112% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 107% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 82% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 85% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 110% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 113% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 99% Analysis Date = 10/03/03 Pct Recovery = 79% Analysis Date = 09/28/03 Pct Recovery = 81% Analysis Date = 09/28/03 Pct Recovery = 81% Analysis Date = 09/22/03 Pct Recovery = 84% Analysis Date = 09/22/03 Pct Recovery = 84% Analysis Date = 09/16/03 Pct Recovery = 87% Analysis Date = 09/16/03 Pct Recovery = 87% Analysis Date = 09/11/03 Pct Recovery = 89% Analysis Date = 09/11/03 Pct Recovery = 89% Analysis Date = 09/05/03 Pct Recovery = 92% Analysis Date = 09/05/03 Pct Recovery = 92% Analysis Date = 08/30/03 Pct Recovery = 95% Analysis Date = 08/30/03 Pct Recovery = 95% Analysis Date = 08/24/03 Pct Recovery = 97% Analysis Date = 08/24/03 Pct Recovery = 97% Analysis Date = 08/19/03 Pct Recovery = 100% Analysis Date = 08/19/03 Pct Recovery = 100% Analysis Date = 08/13/03 Pct Recovery = 103% Analysis Date = 08/13/03 Pct Recovery = 103% Analysis Date = 08/07/03 Pct Recovery = 105% Analysis Date = 08/07/03 Pct Recovery = 105% Analysis Date = 08/02/03 Pct Recovery = 108% Analysis Date = 08/02/03 Pct Recovery = 108% Analysis Date = 07/27/03 Pct Recovery = 108% Analysis Date = 07/27/03 Pct Recovery = 108% Analysis Date = 07/21/03 Pct Recovery = 108% Analysis Date = 07/21/03 Pct Recovery = 108% Analysis Date = 07/15/03 Pct Recovery = 108% Analysis Date = 07/15/03 Pct Recovery = 108% Analysis Date = 07/10/03 Pct Recovery = 108% Analysis Date = 07/10/03 Pct Recovery = 108% Analysis Date = 07/04/03 Pct Recovery = 108% Analysis Date = 07/04/03 Pct Recovery = 108% Analysis Date = 06/28/03 Pct Recovery = 108% Analysis Date = 06/28/03 Pct Recovery = 108% Analysis Date = 06/23/03 Pct Recovery = 108% Analysis Date = 06/23/03 Pct Recovery = 108% Analysis Date = 06/17/03 Pct Recovery = 108% Analysis Date = 06/17/03 Pct Recovery = 108% Analysis Date = 06/11/03 Pct Recovery = 108% Analysis Date = 06/11/03 Pct Recovery = 108% Analysis Date = 06/05/03 Pct Recovery = 108% Analysis Date = 06/05/03 Pct Recovery = 108% Analysis Date = 05/31/03 Pct Recovery = 108% Analysis Date = 05/31/03 Pct Recovery = 108% Analysis Date = 05/25/03 Pct Recovery = 107% Analysis Date = 05/25/03 Pct Recovery = 107% Analysis Date = 05/19/03 Pct Recovery = 107% Analysis Date = 05/19/03 Pct Recovery = 107% Analysis Date = 05/14/03 Pct Recovery = 107% Analysis Date = 05/14/03 Pct Recovery = 107% Analysis Date = 05/08/03 Pct Recovery = 107% Analysis Date = 05/08/03 Pct Recovery = 107% Analysis Date = 05/02/03 Pct Recovery = 107% Analysis Date = 05/02/03 Pct Recovery = 107% Analysis Date = 04/26/03 Pct Recovery = 107% Analysis Date = 04/26/03 Pct Recovery = 107% Analysis Date = 04/21/03 Pct Recovery = 107% Analysis Date = 04/21/03 Pct Recovery = 107% Analysis Date = 04/15/03 Pct Recovery = 107% Analysis Date = 04/15/03 Pct Recovery = 107% Analysis Date = 04/09/03 Pct Recovery = 107% Analysis Date = 04/09/03 Pct Recovery = 107% Analysis Date = 04/04/03 Pct Recovery = 107% Analysis Date = 04/04/03 Pct Recovery = 107% Analysis Date = 03/29/03 Pct Recovery = 107% Analysis Date = 03/29/03 Pct Recovery = 107% Analysis Date = 03/23/03 Pct Recovery = 107% Analysis Date = 03/23/03 Pct Recovery = 107% Analysis Date = 03/17/03 Pct Recovery = 106% Analysis Date = 03/17/03 Pct Recovery = 106% Analysis Date = 03/12/03 Pct Recovery = 106% Analysis Date = 03/12/03 Pct Recovery = 106% Analysis Date = 03/06/03 Pct Recovery = 106% Analysis Date = 03/06/03 Pct Recovery = 106% Analysis Date = 02/28/03 Pct Recovery = 106% Analysis Date = 02/28/03 Pct Recovery = 106% Analysis Date = 02/22/03 Pct Recovery = 106% Analysis Date = 02/22/03 Pct Recovery = 106% Analysis Date = 02/17/03 Pct Recovery = 106% Analysis Date = 02/17/03 Pct Recovery = 106% Analysis Date = 02/11/03 Pct Recovery = 106% Analysis Date = 02/11/03 Pct Recovery = 106% Analysis Date = 02/05/03 Pct Recovery = 106% Analysis Date = 02/05/03 Pct Recovery = 106% Analysis Date = 01/31/03 Pct Recovery = 106% Analysis Date = 01/31/03 Pct Recovery = 106% Analysis Date = 01/25/03 Pct Recovery = 106% Analysis Date = 01/25/03 Pct Recovery = 106% Analysis Date = 01/19/03 Pct Recovery = 106% Analysis Date = 01/19/03 Pct Recovery = 106% Analysis Date = 01/13/03 Pct Recovery = 106% Analysis Date = 01/13/03 Pct Recovery = 106% Analysis Date = 01/08/03 Pct Recovery = 106% Analysis Date = 01/08/03 Pct Recovery = 106% Analysis Date = 01/02/03 Pct Recovery = 105% Analysis Date = 01/02/03 Pct Recovery = 105% Analysis Date = 12/27/02 Pct Recovery = 105% Analysis Date = 12/27/02 Pct Recovery = 105% Analysis Date = 12/22/02 Pct Recovery = 105% Analysis Date = 12/22/02 Pct Recovery = 105% Analysis Date = 12/16/02 Pct Recovery = 105% Analysis Date = 12/16/02 Pct Recovery = 105% Analysis Date = 12/10/02 Pct Recovery = 105% Analysis Date = 12/10/02 Pct Recovery = 105% Analysis Date = 12/04/02 Pct Recovery = 105% Analysis Date = 12/04/02 Pct Recovery = 105% Analysis Date = 11/29/02 Pct Recovery = 105% Analysis Date = 11/29/02 Pct Recovery = 105% Analysis Date = 11/23/02 Pct Recovery = 105% Analysis Date = 11/23/02 Pct Recovery = 105% Analysis Date = 11/17/02 Pct Recovery = 105% Analysis Date = 11/17/02 Pct Recovery = 105% Analysis Date = 11/12/02 Pct Recovery = 105% Analysis Date = 11/12/02 Pct Recovery = 105% Analysis Date = 11/06/02 Pct Recovery = 105% Analysis Date = 11/06/02 Pct Recovery = 105% Analysis Date = 10/31/02 Pct Recovery = 105% Analysis Date = 10/31/02 Pct Recovery = 105% Analysis Date = 10/25/02 Pct Recovery = 104% Analysis Date = 10/25/02 Pct Recovery = 104% Analysis Date = 10/20/02 Pct Recovery = 104% Analysis Date = 10/20/02 Pct Recovery = 104% Analysis Date = 10/14/02 Pct Recovery = 104% Analysis Date = 10/14/02 Pct Recovery = 104% Analysis Date = 10/08/02 Pct Recovery = 104% Analysis Date = 10/08/02 Pct Recovery = 104% Analysis Date = 10/03/02 Pct Recovery = 104% Analysis Date = 10/03/02 Pct Recovery = 104% Analysis Date = 09/27/02 Pct Recovery = 104% Analysis Date = 09/27/02 Pct Recovery = 104% Analysis Date = 09/21/02 Pct Recovery = 104% Analysis Date = 09/21/02 Pct Recovery = 104% Analysis Date = 09/15/02 Pct Recovery = 104% Analysis Date = 09/15/02 Pct Recovery = 104% Analysis Date = 09/10/02 Pct Recovery = 104% Analysis Date = 09/10/02 Pct Recovery = 104% Analysis Date = 09/04/02 Pct Recovery = 104% Analysis Date = 09/04/02 Pct Recovery = 104% Analysis Date = 08/29/02 Pct Recovery = 104% Analysis Date = 08/29/02 Pct Recovery = 104% Analysis Date = 08/24/02 Pct Recovery = 104% Analysis Date = 08/24/02 Pct Recovery = 104% Analysis Date = 08/18/02 Pct Recovery = 104% Analysis Date = 08/18/02 Pct Recovery = 104% Analysis Date = 08/12/02 Pct Recovery = 103% Analysis Date = 08/12/02 Pct Recovery = 103% Analysis Date = 08/06/02 Pct Recovery = 103% Analysis Date = 08/06/02 Pct Recovery = 103% Analysis Date = 08/01/02 Pct Recovery = 103% Analysis Date = 08/01/02 Pct Recovery = 103% Analysis Date = 07/26/02 Pct Recovery = 103% Analysis Date = 07/26/02 Pct Recovery = 103% Analysis Date = 07/20/02 Pct Recovery = 103% Analysis Date = 07/20/02 Pct Recovery = 103% Analysis Date = 07/14/02 Pct Recovery = 103% Analysis Date = 07/14/02 Pct Recovery = 103% Analysis Date = 07/09/02 Pct Recovery = 103% Analysis Date = 07/09/02 Pct Recovery = 103% Analysis Date = 07/03/02 Pct Recovery = 103% Analysis Date = 07/03/02 Pct Recovery = 103% Analysis Date = 06/27/02 Pct Recovery = 103% Analysis Date = 06/27/02 Pct Recovery = 103% Analysis Date = 06/22/02 Pct Recovery = 103% Analysis Date = 06/22/02 Pct Recovery = 103% Analysis Date = 06/16/02 Pct Recovery = 103% Analysis Date = 06/16/02 Pct Recovery = 103% Analysis Date = 06/10/02 Pct Recovery = 103% Analysis Date = 06/10/02 Pct Recovery = 103% Analysis Date = 06/04/02 Pct Recovery = 102% Analysis Date = 06/04/02 Pct Recovery = 102% Analysis Date = 05/30/02 Pct Recovery = 102% Analysis Date = 05/30/02 Pct Recovery = 102% Analysis Date = 05/24/02 Pct Recovery = 102% Analysis Date = 05/24/02 Pct Recovery = 102% Analysis Date = 05/18/02 Pct Recovery = 102% Analysis Date = 05/18/02 Pct Recovery = 102% Analysis Date = 05/13/02 Pct Recovery = 102% Analysis Date = 05/13/02 Pct Recovery = 102% Analysis Date = 05/07/02 Pct Recovery = 102% Analysis Date = 05/07/02 Pct Recovery = 102% Analysis Date = 05/01/02 Pct Recovery = 102% Analysis Date = 05/01/02 Pct Recovery = 102% Analysis Date = 04/25/02 Pct Recovery = 102% Analysis Date = 04/25/02 Pct Recovery = 102% Analysis Date = 04/20/02 Pct Recovery = 102% Analysis Date = 04/20/02 Pct Recovery = 102% Analysis Date = 04/14/02 Pct Recovery = 102% Analysis Date = 04/14/02 Pct Recovery = 102% Analysis Date = 04/08/02 Pct Recovery = 102% Analysis Date = 04/08/02 Pct Recovery = 102% Analysis Date = 04/03/02 Pct Recovery = 102% Analysis Date = 04/03/02 Pct Recovery = 102% Analysis Date = 03/28/02 Pct Recovery = 102% Analysis Date = 03/28/02 Pct Recovery = 102% Analysis Date = 03/22/02 Pct Recovery = 101% Analysis Date = 03/22/02 Pct Recovery = 101% Analysis Date = 03/16/02 Pct Recovery = 101% Analysis Date = 03/16/02 Pct Recovery = 101% Analysis Date = 03/11/02 Pct Recovery = 101% Analysis Date = 03/11/02 Pct Recovery = 101% Analysis Date = 03/05/02 Pct Recovery = 101% Analysis Date = 03/05/02 Pct Recovery = 101% Analysis Date = 02/27/02 Pct Recovery = 101% Analysis Date = 02/27/02 Pct Recovery = 101% Analysis Date = 02/22/02 Pct Recovery = 101% Analysis Date = 02/22/02 Pct Recovery = 101% Analysis Date = 02/16/02 Pct Recovery = 101% Analysis Date = 02/16/02 Pct Recovery = 101% Analysis Date = 02/10/02 Pct Recovery = 101% Analysis Date = 02/10/02 Pct Recovery = 101% Analysis Date = 02/04/02 Pct Recovery = 101% Analysis Date = 02/04/02 Pct Recovery = 101% Analysis Date = 01/30/02 Pct Recovery = 101% Analysis Date = 01/30/02 Pct Recovery = 101% Analysis Date = 01/24/02 Pct Recovery = 101% Analysis Date = 01/24/02 Pct Recovery = 101% Analysis Date = 01/18/02 Pct Recovery = 101% Analysis Date = 01/18/02 Pct Recovery = 101% Analysis Date = 01/13/02 Pct Recovery = 100% Analysis Date = 01/13/02 Pct Recovery = 100% Analysis Date = 01/07/02 Pct Recovery = 100% Analysis Date = 01/07/02 Pct Recovery = 100% Analysis Date = 01/01/02 Pct Recovery = 100% Analysis Date = 01/01/02 Pct Recovery = 100% Analysis Date = 12/26/01 Pct Recovery = 100% Analysis Date = 12/26/01 Pct Recovery = 100% Analysis Date = 12/21/01 Pct Recovery = 100% Analysis Date = 12/21/01 Pct Recovery = 100% Analysis Date = 12/15/01 Pct Recovery = 100% Analysis Date = 12/15/01 Pct Recovery = 100% Analysis Date = 12/09/01 Pct Recovery = 100% Analysis Date = 12/09/01 Pct Recovery = 100% Analysis Date = 12/03/01 Pct Recovery = 100% Analysis Date = 12/03/01 Pct Recovery = 100% Analysis Date = 11/28/01 Pct Recovery = 100% Analysis Date = 11/28/01 Pct Recovery = 100% Analysis Date = 11/22/01 Pct Recovery = 100% Analysis Date = 11/22/01 Pct Recovery = 100% Analysis Date = 11/16/01 Pct Recovery = 100% Analysis Date = 11/16/01 Pct Recovery = 100% Analysis Date = 11/11/01 Pct Recovery = 100% Analysis Date = 11/11/01 Pct Recovery = 100% Analysis Date = 11/05/01 Pct Recovery = 100% Analysis Date = 11/05/01 Pct Recovery = 100% Analysis Date = 10/30/01 Pct Recovery = 99% Analysis Date = 10/30/01 Pct Recovery = 99% Analysis Date = 10/24/01 Pct Recovery = 99% Analysis Date = 10/24/01 Pct Recovery = 99% Analysis Date = 10/19/01 Pct Recovery = 99% Analysis Date = 10/19/01 Pct Recovery = 99% Analysis Date = 10/13/01 Pct Recovery = 99% Analysis Date = 10/13/01 Pct Recovery = 99% Analysis Date = 10/07/01 Pct Recovery = 99% Analysis Date = 10/07/01 Pct Recovery = 99% Analysis Date = 10/02/01 Pct Recovery = 99% Analysis Date = 10/02/01 Pct Recovery = 99% Analysis Date = 09/26/01 Pct Recovery = 99% Analysis Date = 09/26/01 Pct Recovery = 99% Analysis Date = 09/20/01 Pct Recovery = 99% Analysis Date = 09/20/01 Pct Recovery = 99% Analysis Date = 09/14/01 Pct Recovery = 99% Analysis Date = 09/14/01 Pct Recovery = 99% Analysis Date = 09/09/01 Pct Recovery = 99% Analysis Date = 09/09/01 Pct Recovery = 99% Analysis Date = 09/03/01 Pct Recovery = 99% Analysis Date = 09/03/01 Pct Recovery = 99% Analysis Date = 08/28/01 Pct Recovery = 99% Analysis Date = 08/28/01 Pct Recovery = 99% Analysis Date = 08/23/01 Pct Recovery = 98% Analysis Date = 08/23/01 Pct Recovery = 98% Analysis Date = 08/17/01 Pct Recovery = 98% Analysis Date = 08/17/01 Pct Recovery = 98% Analysis Date = 08/11/01 Pct Recovery = 98% Analysis Date = 08/11/01 Pct Recovery = 98% Analysis Date = 08/05/01 Pct Recovery = 98% Analysis Date = 08/05/01 Pct Recovery = 98% Analysis Date = 07/31/01 Pct Recovery = 98% Analysis Date = 07/31/01 Pct Recovery = 98% Analysis Date = 07/25/01 Pct Recovery = 99% Analysis Date = 07/25/01 Pct Recovery = 99% Analysis Date = 07/19/01 Pct Recovery = 99% Analysis Date = 07/19/01 Pct Recovery = 99% Analysis Date = 07/14/01 Pct Recovery = 100% Analysis Date = 07/14/01 Pct Recovery = 100% Analysis Date = 07/08/01 Pct Recovery = 100% Analysis Date = 07/08/01 Pct Recovery = 100% Analysis Date = 07/02/01 Pct Recovery = 101% Analysis Date = 07/02/01 Pct Recovery = 101% Analysis Date = 06/26/01 Pct Recovery = 101% Analysis Date = 06/26/01 Pct Recovery = 101% Analysis Date = 06/21/01 Pct Recovery = 102% Analysis Date = 06/21/01 Pct Recovery = 102% Analysis Date = 06/15/01 Pct Recovery = 102% Analysis Date = 06/15/01 Pct Recovery = 102% Analysis Date = 06/09/01 Pct Recovery = 103% Analysis Date = 06/09/01 Pct Recovery = 103% Analysis Date = 06/04/01 Pct Recovery = 103% Analysis Date = 06/04/01 Pct Recovery = 103% Analysis Date = 05/29/01 Pct Recovery = 104% Analysis Date = 05/29/01 Pct Recovery = 104% Analysis Date = 05/23/01 Pct Recovery = 104% Analysis Date = 05/23/01 Pct Recovery = 104% Analysis Date = 05/17/01 Pct Recovery = 105% Analysis Date = 05/17/01 Pct Recovery = 105% Analysis Date = 05/12/01 Pct Recovery = 105% Analysis Date = 05/12/01 Pct Recovery = 105% Analysis Date = 05/06/01 Pct Recovery = 106% Analysis Date = 05/06/01 Pct Recovery = 106% Analysis Date = 04/30/01 Pct Recovery = 106% Analysis Date = 04/30/01 Pct Recovery = 106% Analysis Date = 04/24/01 Pct Recovery = 107% Analysis Date = 04/24/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 108% Analysis Date = 04/13/01 Pct Recovery = 108% Analysis Date = 04/07/01 Pct Recovery = 108% Analysis Date = 04/07/01 Pct Recovery = 108% Analysis Date = 04/02/01 Pct Recovery = 108% Analysis Date = 04/02/01 Pct Recovery = 108% Analysis Date = 03/27/01 Pct Recovery = 109% Analysis Date = 03/27/01 Pct Recovery = 109% Analysis Date = 03/21/01 Pct Recovery = 109% Analysis Date = 03/21/01 Pct Recovery = 109% Analysis Date = 03/15/01 Pct Recovery = 109% Analysis Date = 03/15/01 Pct Recovery = 109% Analysis Date = 03/10/01 Pct Recovery = 109% Analysis Date = 03/10/01 Pct Recovery = 109% Analysis Date = 03/04/01 Pct Recovery = 110% Analysis Date = 03/04/01 Pct Recovery = 110% Analysis Date = 02/26/01 Pct Recovery = 110% Analysis Date = 02/26/01 Pct Recovery = 110% Analysis Date = 02/21/01 Pct Recovery = 110% Analysis Date = 02/21/01 Pct Recovery = 110% Analysis Date = 02/15/01 Pct Recovery = 110% Analysis Date = 02/15/01 Pct Recovery = 110% Analysis Date = 02/09/01 Pct Recovery = 110% Analysis Date = 02/09/01 Pct Recovery = 110% Analysis Date = 02/03/01 Pct Recovery = 110% Analysis Date = 02/03/01 Pct Recovery = 110% Analysis Date = 01/29/01 Pct Recovery = 110% Analysis Date = 01/29/01 Pct Recovery = 110% Analysis Date = 01/23/01 Pct Recovery = 109% Analysis Date = 01/23/01 Pct Recovery = 109% Analysis Date = 01/17/01 Pct Recovery = 109% Analysis Date = 01/17/01 Pct Recovery = 109% Analysis Date = 01/12/01 Pct Recovery = 109% Analysis Date = 01/12/01 Pct Recovery = 109% Analysis Date = 01/06/01 Pct Recovery = 109% Analysis Date = 01/06/01 Pct Recovery = 109% Analysis Date = 12/31/00 Pct Recovery = 109% Analysis Date = 12/31/00 Pct Recovery = 109% Analysis Date = 12/25/00 Pct Recovery = 109% Analysis Date = 12/25/00 Pct Recovery = 109% Analysis Date = 12/20/00 Pct Recovery = 109% Analysis Date = 12/20/00 Pct Recovery = 109% Analysis Date = 12/14/00 Pct Recovery = 109% Analysis Date = 12/14/00 Pct Recovery = 109% Analysis Date = 12/08/00 Pct Recovery = 109% Analysis Date = 12/08/00 Pct Recovery = 109% Analysis Date = 12/03/00 Pct Recovery = 109% Analysis Date = 12/03/00 Pct Recovery = 109% Analysis Date = 11/27/00 Pct Recovery = 109% Analysis Date = 11/27/00 Pct Recovery = 109% Analysis Date = 11/21/00 Pct Recovery = 109% Analysis Date = 11/21/00 Pct Recovery = 109% Analysis Date = 11/15/00 Pct Recovery = 108% Analysis Date = 11/15/00 Pct Recovery = 108% Analysis Date = 11/10/00 Pct Recovery = 108% Analysis Date = 11/10/00 Pct Recovery = 108% Analysis Date = 11/04/00 Pct Recovery = 108% Analysis Date = 11/04/00 Pct Recovery = 108% Analysis Date = 10/29/00 Pct Recovery = 107% Analysis Date = 10/29/00 Pct Recovery = 107% Analysis Date = 10/24/00 Pct Recovery = 107% Analysis Date = 10/24/00 Pct Recovery = 107% Analysis Date = 10/18/00 Pct Recovery = 106% Analysis Date = 10/18/00 Pct Recovery = 106% Analysis Date = 10/12/00 Pct Recovery = 106% Analysis Date = 10/12/00 Pct Recovery = 106% Analysis Date = 10/06/00 Pct Recovery = 105% Analysis Date = 10/06/00 Pct Recovery = 105% Analysis Date = 10/01/00 Pct Recovery = 105% Analysis Date = 10/01/00 Pct Recovery = 105% Analysis Date = 09/25/00 Pct Recovery = 104% Analysis Date = 09/25/00 Pct Recovery = 104% Analysis Date = 09/19/00 Pct Recovery = 104% Analysis Date = 09/19/00 Pct Recovery = 104% Analysis Date = 09/13/00 Pct Recovery = 103% Analysis Date = 09/13/00 Pct Recovery = 103% Analysis Date = 09/08/00 Pct Recovery = 103% Analysis Date = 09/08/00 Pct Recovery = 103% Analysis Date = 09/02/00 Pct Recovery = 102% Analysis Date = 09/02/00 Pct Recovery = 102% Analysis Date = 08/27/00 Pct Recovery = 102% Analysis Date = 08/27/00 Pct Recovery = 102% Analysis Date = 08/22/00 Pct Recovery = 101% Analysis Date = 08/22/00 Pct Recovery = 101% Analysis Date = 08/16/00 Pct Recovery = 101% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
HEXACHLOROETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 8 101% 12% 103% 15%
Total 8 101% 12% 103% 15%

Sample Statistics
HEXACHLOROETHANE

Characteristic N % % Basis
Plotted 8 62% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 5 38% Spiked
Spiked 13 .  
False Negatives 0 0% 0 out of 13
Not Spiked 23 .  
False Positives 0 0% 0 out of 23

BQS OBSP Determination:
ISOPROPYLBENZENE (CUMENE)
METHOD: 4054 , TESTIDCODE: 77223GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 106% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 88% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 112% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 103% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 100% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 103% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 107% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 106% Analysis Date = 11/15/00 Pct Recovery = 107% Analysis Date = 11/13/00 Pct Recovery = 107% Analysis Date = 11/13/00 Pct Recovery = 107% Analysis Date = 11/12/00 Pct Recovery = 107% Analysis Date = 11/12/00 Pct Recovery = 107% Analysis Date = 11/11/00 Pct Recovery = 106% Analysis Date = 11/11/00 Pct Recovery = 106% Analysis Date = 11/10/00 Pct Recovery = 106% Analysis Date = 11/10/00 Pct Recovery = 106% Analysis Date = 11/08/00 Pct Recovery = 106% Analysis Date = 11/08/00 Pct Recovery = 106% Analysis Date = 11/07/00 Pct Recovery = 106% Analysis Date = 11/07/00 Pct Recovery = 106% Analysis Date = 11/06/00 Pct Recovery = 106% Analysis Date = 11/06/00 Pct Recovery = 106% Analysis Date = 11/04/00 Pct Recovery = 105% Analysis Date = 11/04/00 Pct Recovery = 105% Analysis Date = 11/03/00 Pct Recovery = 105% Analysis Date = 11/03/00 Pct Recovery = 105% Analysis Date = 11/02/00 Pct Recovery = 105% Analysis Date = 11/02/00 Pct Recovery = 105% Analysis Date = 10/31/00 Pct Recovery = 105% Analysis Date = 10/31/00 Pct Recovery = 105% Analysis Date = 10/30/00 Pct Recovery = 105% Analysis Date = 10/30/00 Pct Recovery = 105% Analysis Date = 10/29/00 Pct Recovery = 104% Analysis Date = 10/29/00 Pct Recovery = 104% Analysis Date = 10/27/00 Pct Recovery = 104% Analysis Date = 10/27/00 Pct Recovery = 104% Analysis Date = 10/26/00 Pct Recovery = 104% Analysis Date = 10/26/00 Pct Recovery = 104% Analysis Date = 10/25/00 Pct Recovery = 104% Analysis Date = 10/25/00 Pct Recovery = 104% Analysis Date = 10/23/00 Pct Recovery = 104% Analysis Date = 10/23/00 Pct Recovery = 104% Analysis Date = 10/22/00 Pct Recovery = 103% Analysis Date = 10/22/00 Pct Recovery = 103% Analysis Date = 10/21/00 Pct Recovery = 103% Analysis Date = 10/21/00 Pct Recovery = 103% Analysis Date = 10/19/00 Pct Recovery = 103% Analysis Date = 10/19/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/17/00 Pct Recovery = 103% Analysis Date = 10/17/00 Pct Recovery = 103% Analysis Date = 10/15/00 Pct Recovery = 102% Analysis Date = 10/15/00 Pct Recovery = 102% Analysis Date = 10/14/00 Pct Recovery = 102% Analysis Date = 10/14/00 Pct Recovery = 102% Analysis Date = 10/13/00 Pct Recovery = 102% Analysis Date = 10/13/00 Pct Recovery = 102% Analysis Date = 10/11/00 Pct Recovery = 102% Analysis Date = 10/11/00 Pct Recovery = 102% Analysis Date = 10/10/00 Pct Recovery = 102% Analysis Date = 10/10/00 Pct Recovery = 102% Analysis Date = 10/09/00 Pct Recovery = 102% Analysis Date = 10/09/00 Pct Recovery = 102% Analysis Date = 10/07/00 Pct Recovery = 101% Analysis Date = 10/07/00 Pct Recovery = 101% Analysis Date = 10/06/00 Pct Recovery = 101% Analysis Date = 10/06/00 Pct Recovery = 101% Analysis Date = 10/05/00 Pct Recovery = 101% Analysis Date = 10/05/00 Pct Recovery = 101% Analysis Date = 10/03/00 Pct Recovery = 101% Analysis Date = 10/03/00 Pct Recovery = 101% Analysis Date = 10/02/00 Pct Recovery = 101% Analysis Date = 10/02/00 Pct Recovery = 101% Analysis Date = 10/01/00 Pct Recovery = 101% Analysis Date = 10/01/00 Pct Recovery = 101% Analysis Date = 09/29/00 Pct Recovery = 100% Analysis Date = 09/29/00 Pct Recovery = 100% Analysis Date = 09/28/00 Pct Recovery = 100% Analysis Date = 09/28/00 Pct Recovery = 100% Analysis Date = 09/27/00 Pct Recovery = 100% Analysis Date = 09/27/00 Pct Recovery = 100% Analysis Date = 09/25/00 Pct Recovery = 100% Analysis Date = 09/25/00 Pct Recovery = 100% Analysis Date = 09/24/00 Pct Recovery = 100% Analysis Date = 09/24/00 Pct Recovery = 100% Analysis Date = 09/23/00 Pct Recovery = 100% Analysis Date = 09/23/00 Pct Recovery = 100% Analysis Date = 09/21/00 Pct Recovery = 100% Analysis Date = 09/21/00 Pct Recovery = 100% Analysis Date = 09/20/00 Pct Recovery = 99% Analysis Date = 09/20/00 Pct Recovery = 99% Analysis Date = 09/19/00 Pct Recovery = 99% Analysis Date = 09/19/00 Pct Recovery = 99% Analysis Date = 09/17/00 Pct Recovery = 99% Analysis Date = 09/17/00 Pct Recovery = 99% Analysis Date = 09/16/00 Pct Recovery = 99% Analysis Date = 09/16/00 Pct Recovery = 99% Analysis Date = 09/15/00 Pct Recovery = 99% Analysis Date = 09/15/00 Pct Recovery = 99% Analysis Date = 09/13/00 Pct Recovery = 99% Analysis Date = 09/13/00 Pct Recovery = 99% Analysis Date = 09/12/00 Pct Recovery = 99% Analysis Date = 09/12/00 Pct Recovery = 99% Analysis Date = 09/11/00 Pct Recovery = 98% Analysis Date = 09/11/00 Pct Recovery = 98% Analysis Date = 09/09/00 Pct Recovery = 98% Analysis Date = 09/09/00 Pct Recovery = 98% Analysis Date = 09/08/00 Pct Recovery = 98% Analysis Date = 09/08/00 Pct Recovery = 98% Analysis Date = 09/07/00 Pct Recovery = 98% Analysis Date = 09/07/00 Pct Recovery = 98% Analysis Date = 09/05/00 Pct Recovery = 98% Analysis Date = 09/05/00 Pct Recovery = 98% Analysis Date = 09/04/00 Pct Recovery = 98% Analysis Date = 09/04/00 Pct Recovery = 98% Analysis Date = 09/03/00 Pct Recovery = 98% Analysis Date = 09/03/00 Pct Recovery = 98% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 08/31/00 Pct Recovery = 97% Analysis Date = 08/31/00 Pct Recovery = 97% Analysis Date = 08/30/00 Pct Recovery = 97% Analysis Date = 08/30/00 Pct Recovery = 97% Analysis Date = 08/28/00 Pct Recovery = 97% Analysis Date = 08/28/00 Pct Recovery = 97% Analysis Date = 08/27/00 Pct Recovery = 97% Analysis Date = 08/27/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/24/00 Pct Recovery = 97% Analysis Date = 08/24/00 Pct Recovery = 97% Analysis Date = 08/23/00 Pct Recovery = 96% Analysis Date = 08/23/00 Pct Recovery = 96% Analysis Date = 08/22/00 Pct Recovery = 96% Analysis Date = 08/22/00 Pct Recovery = 96% Analysis Date = 08/20/00 Pct Recovery = 96% Analysis Date = 08/20/00 Pct Recovery = 96% Analysis Date = 08/19/00 Pct Recovery = 96% Analysis Date = 08/19/00 Pct Recovery = 96% Analysis Date = 08/18/00 Pct Recovery = 96% Analysis Date = 08/18/00 Pct Recovery = 96% Analysis Date = 08/17/00 Pct Recovery = 96% Analysis Date = 08/17/00 Pct Recovery = 96% Analysis Date = 08/15/00 Pct Recovery = 96% Analysis Date = 08/15/00 Pct Recovery = 96% Analysis Date = 08/14/00 Pct Recovery = 96% Analysis Date = 08/14/00 Pct Recovery = 96% Analysis Date = 08/13/00 Pct Recovery = 96% Analysis Date = 08/13/00 Pct Recovery = 96% Analysis Date = 08/11/00 Pct Recovery = 97% Analysis Date = 08/11/00 Pct Recovery = 97% Analysis Date = 08/10/00 Pct Recovery = 97% Analysis Date = 08/10/00 Pct Recovery = 97% Analysis Date = 08/09/00 Pct Recovery = 97% Analysis Date = 08/09/00 Pct Recovery = 97% Analysis Date = 08/07/00 Pct Recovery = 98% Analysis Date = 08/07/00 Pct Recovery = 98% Analysis Date = 08/06/00 Pct Recovery = 98% Analysis Date = 08/06/00 Pct Recovery = 98% Analysis Date = 08/05/00 Pct Recovery = 98% Analysis Date = 08/05/00 Pct Recovery = 98% Analysis Date = 08/03/00 Pct Recovery = 99% Analysis Date = 08/03/00 Pct Recovery = 99% Analysis Date = 08/02/00 Pct Recovery = 99% Analysis Date = 08/02/00 Pct Recovery = 99% Analysis Date = 08/01/00 Pct Recovery = 99% Analysis Date = 08/01/00 Pct Recovery = 99% Analysis Date = 07/30/00 Pct Recovery = 99% Analysis Date = 07/30/00 Pct Recovery = 99% Analysis Date = 07/29/00 Pct Recovery = 100% Analysis Date = 07/29/00 Pct Recovery = 100% Analysis Date = 07/28/00 Pct Recovery = 100% Analysis Date = 07/28/00 Pct Recovery = 100% Analysis Date = 07/26/00 Pct Recovery = 100% Analysis Date = 07/26/00 Pct Recovery = 100% Analysis Date = 07/25/00 Pct Recovery = 101% Analysis Date = 07/25/00 Pct Recovery = 101% Analysis Date = 07/24/00 Pct Recovery = 101% Analysis Date = 07/24/00 Pct Recovery = 101% Analysis Date = 07/22/00 Pct Recovery = 101% Analysis Date = 07/22/00 Pct Recovery = 101% Analysis Date = 07/21/00 Pct Recovery = 102% Analysis Date = 07/21/00 Pct Recovery = 102% Analysis Date = 07/20/00 Pct Recovery = 102% Analysis Date = 07/20/00 Pct Recovery = 102% Analysis Date = 07/18/00 Pct Recovery = 102% Analysis Date = 07/18/00 Pct Recovery = 102% Analysis Date = 07/17/00 Pct Recovery = 102% Analysis Date = 07/17/00 Pct Recovery = 102% Analysis Date = 07/16/00 Pct Recovery = 103% Analysis Date = 07/16/00 Pct Recovery = 103% Analysis Date = 07/14/00 Pct Recovery = 103% Analysis Date = 07/14/00 Pct Recovery = 103% Analysis Date = 07/13/00 Pct Recovery = 103% Analysis Date = 07/13/00 Pct Recovery = 103% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/10/00 Pct Recovery = 104% Analysis Date = 07/10/00 Pct Recovery = 104% Analysis Date = 07/09/00 Pct Recovery = 104% Analysis Date = 07/09/00 Pct Recovery = 104% Analysis Date = 07/08/00 Pct Recovery = 105% Analysis Date = 07/08/00 Pct Recovery = 105% Analysis Date = 07/06/00 Pct Recovery = 105% Analysis Date = 07/06/00 Pct Recovery = 105% Analysis Date = 07/05/00 Pct Recovery = 105% Analysis Date = 07/05/00 Pct Recovery = 105% Analysis Date = 07/04/00 Pct Recovery = 105% Analysis Date = 07/04/00 Pct Recovery = 105% Analysis Date = 07/02/00 Pct Recovery = 106% Analysis Date = 07/02/00 Pct Recovery = 106% Analysis Date = 07/01/00 Pct Recovery = 106% Analysis Date = 07/01/00 Pct Recovery = 106% Analysis Date = 06/30/00 Pct Recovery = 106% Analysis Date = 06/30/00 Pct Recovery = 106% Analysis Date = 06/28/00 Pct Recovery = 107% Analysis Date = 06/28/00 Pct Recovery = 107% Analysis Date = 06/27/00 Pct Recovery = 107% Analysis Date = 06/27/00 Pct Recovery = 107% Analysis Date = 06/26/00 Pct Recovery = 107% Analysis Date = 06/26/00 Pct Recovery = 107% Analysis Date = 06/24/00 Pct Recovery = 108% Analysis Date = 06/24/00 Pct Recovery = 108% Analysis Date = 06/23/00 Pct Recovery = 108% Analysis Date = 06/23/00 Pct Recovery = 108% Analysis Date = 06/22/00 Pct Recovery = 108% Analysis Date = 06/22/00 Pct Recovery = 108% Analysis Date = 06/20/00 Pct Recovery = 109% Analysis Date = 06/20/00 Pct Recovery = 109% Analysis Date = 06/19/00 Pct Recovery = 109% Analysis Date = 06/19/00 Pct Recovery = 109% Analysis Date = 06/18/00 Pct Recovery = 109% Analysis Date = 06/18/00 Pct Recovery = 109% Analysis Date = 06/16/00 Pct Recovery = 109% Analysis Date = 06/16/00 Pct Recovery = 109% Analysis Date = 06/15/00 Pct Recovery = 110% Analysis Date = 06/15/00 Pct Recovery = 110% Analysis Date = 06/14/00 Pct Recovery = 110% Analysis Date = 06/14/00 Pct Recovery = 110% Analysis Date = 06/12/00 Pct Recovery = 110% Analysis Date = 06/12/00 Pct Recovery = 110% Analysis Date = 06/11/00 Pct Recovery = 109% Analysis Date = 06/11/00 Pct Recovery = 109% Analysis Date = 06/10/00 Pct Recovery = 109% Analysis Date = 06/10/00 Pct Recovery = 109% Analysis Date = 06/08/00 Pct Recovery = 109% Analysis Date = 06/08/00 Pct Recovery = 109% Analysis Date = 06/07/00 Pct Recovery = 109% Analysis Date = 06/07/00 Pct Recovery = 109% Analysis Date = 06/06/00 Pct Recovery = 109% Analysis Date = 06/06/00 Pct Recovery = 109% Analysis Date = 06/04/00 Pct Recovery = 109% Analysis Date = 06/04/00 Pct Recovery = 109% Analysis Date = 06/03/00 Pct Recovery = 109% Analysis Date = 06/03/00 Pct Recovery = 109% Analysis Date = 06/02/00 Pct Recovery = 109% Analysis Date = 06/02/00 Pct Recovery = 109% Analysis Date = 05/31/00 Pct Recovery = 108% Analysis Date = 05/31/00 Pct Recovery = 108% Analysis Date = 05/30/00 Pct Recovery = 108% Analysis Date = 05/30/00 Pct Recovery = 108% Analysis Date = 05/29/00 Pct Recovery = 108% Analysis Date = 05/29/00 Pct Recovery = 108% Analysis Date = 05/27/00 Pct Recovery = 108% Analysis Date = 05/27/00 Pct Recovery = 108% Analysis Date = 05/26/00 Pct Recovery = 108% Analysis Date = 05/26/00 Pct Recovery = 108% Analysis Date = 05/25/00 Pct Recovery = 108% Analysis Date = 05/25/00 Pct Recovery = 108% Analysis Date = 05/24/00 Pct Recovery = 108% Analysis Date = 05/24/00 Pct Recovery = 108% Analysis Date = 05/22/00 Pct Recovery = 108% Analysis Date = 05/22/00 Pct Recovery = 108% Analysis Date = 05/21/00 Pct Recovery = 107% Analysis Date = 05/21/00 Pct Recovery = 107% Analysis Date = 05/20/00 Pct Recovery = 107% Analysis Date = 05/20/00 Pct Recovery = 107% Analysis Date = 05/18/00 Pct Recovery = 107% Analysis Date = 05/18/00 Pct Recovery = 107% Analysis Date = 05/17/00 Pct Recovery = 107% Analysis Date = 05/17/00 Pct Recovery = 107% Analysis Date = 05/16/00 Pct Recovery = 107% Analysis Date = 05/16/00 Pct Recovery = 107% Analysis Date = 05/14/00 Pct Recovery = 107% Analysis Date = 05/14/00 Pct Recovery = 107% Analysis Date = 05/13/00 Pct Recovery = 107% Analysis Date = 05/13/00 Pct Recovery = 107% Analysis Date = 05/12/00 Pct Recovery = 107% Analysis Date = 05/12/00 Pct Recovery = 107% Analysis Date = 05/10/00 Pct Recovery = 106% Analysis Date = 05/10/00 Pct Recovery = 106% Analysis Date = 05/09/00 Pct Recovery = 106% Analysis Date = 05/09/00 Pct Recovery = 106% Analysis Date = 05/08/00 Pct Recovery = 106% Analysis Date = 05/08/00 Pct Recovery = 106% Analysis Date = 05/06/00 Pct Recovery = 106% Analysis Date = 05/06/00 Pct Recovery = 106% Analysis Date = 05/05/00 Pct Recovery = 106% Analysis Date = 05/05/00 Pct Recovery = 106% Analysis Date = 05/04/00 Pct Recovery = 106% Analysis Date = 05/04/00 Pct Recovery = 106% Analysis Date = 05/02/00 Pct Recovery = 106% Analysis Date = 05/02/00 Pct Recovery = 106% Analysis Date = 05/01/00 Pct Recovery = 106% Analysis Date = 05/01/00 Pct Recovery = 106% Analysis Date = 04/30/00 Pct Recovery = 105% Analysis Date = 04/30/00 Pct Recovery = 105% Analysis Date = 04/28/00 Pct Recovery = 105% Analysis Date = 04/28/00 Pct Recovery = 105% Analysis Date = 04/27/00 Pct Recovery = 105% Analysis Date = 04/27/00 Pct Recovery = 105% Analysis Date = 04/26/00 Pct Recovery = 105% Analysis Date = 04/26/00 Pct Recovery = 105% Analysis Date = 04/24/00 Pct Recovery = 105% Analysis Date = 04/24/00 Pct Recovery = 105% Analysis Date = 04/23/00 Pct Recovery = 105% Analysis Date = 04/23/00 Pct Recovery = 105% Analysis Date = 04/22/00 Pct Recovery = 105% Analysis Date = 04/22/00 Pct Recovery = 105% Analysis Date = 04/20/00 Pct Recovery = 105% Analysis Date = 04/20/00 Pct Recovery = 105% Analysis Date = 04/19/00 Pct Recovery = 105% Analysis Date = 04/19/00 Pct Recovery = 105% Analysis Date = 04/18/00 Pct Recovery = 105% Analysis Date = 04/18/00 Pct Recovery = 105% Analysis Date = 04/16/00 Pct Recovery = 105% Analysis Date = 04/16/00 Pct Recovery = 105% Analysis Date = 04/15/00 Pct Recovery = 104% Analysis Date = 04/15/00 Pct Recovery = 104% Analysis Date = 04/14/00 Pct Recovery = 104% Analysis Date = 04/14/00 Pct Recovery = 104% Analysis Date = 04/12/00 Pct Recovery = 104% Analysis Date = 04/12/00 Pct Recovery = 104% Analysis Date = 04/11/00 Pct Recovery = 104% Analysis Date = 04/11/00 Pct Recovery = 104% Analysis Date = 04/10/00 Pct Recovery = 104% Analysis Date = 04/10/00 Pct Recovery = 104% Analysis Date = 04/08/00 Pct Recovery = 104% Analysis Date = 04/08/00 Pct Recovery = 104% Analysis Date = 04/07/00 Pct Recovery = 104% Analysis Date = 04/07/00 Pct Recovery = 104% Analysis Date = 04/06/00 Pct Recovery = 104% Analysis Date = 04/06/00 Pct Recovery = 104% Analysis Date = 04/04/00 Pct Recovery = 104% Analysis Date = 04/04/00 Pct Recovery = 104% Analysis Date = 04/03/00 Pct Recovery = 104% Analysis Date = 04/03/00 Pct Recovery = 104% Analysis Date = 04/02/00 Pct Recovery = 104% Analysis Date = 04/02/00 Pct Recovery = 104% Analysis Date = 03/31/00 Pct Recovery = 104% Analysis Date = 03/31/00 Pct Recovery = 104% Analysis Date = 03/30/00 Pct Recovery = 103% Analysis Date = 03/30/00 Pct Recovery = 103% Analysis Date = 03/29/00 Pct Recovery = 103% Analysis Date = 03/29/00 Pct Recovery = 103% Analysis Date = 03/27/00 Pct Recovery = 103% Analysis Date = 03/27/00 Pct Recovery = 103% Analysis Date = 03/26/00 Pct Recovery = 103% Analysis Date = 03/26/00 Pct Recovery = 103% Analysis Date = 03/25/00 Pct Recovery = 103% Analysis Date = 03/25/00 Pct Recovery = 103% Analysis Date = 03/23/00 Pct Recovery = 103% Analysis Date = 03/23/00 Pct Recovery = 103% Analysis Date = 03/22/00 Pct Recovery = 103% Analysis Date = 03/22/00 Pct Recovery = 103% Analysis Date = 03/21/00 Pct Recovery = 103% Analysis Date = 03/21/00 Pct Recovery = 103% Analysis Date = 03/19/00 Pct Recovery = 103% Analysis Date = 03/19/00 Pct Recovery = 103% Analysis Date = 03/18/00 Pct Recovery = 103% Analysis Date = 03/18/00 Pct Recovery = 103% Analysis Date = 03/17/00 Pct Recovery = 103% Analysis Date = 03/17/00 Pct Recovery = 103% Analysis Date = 03/15/00 Pct Recovery = 103% Analysis Date = 03/15/00 Pct Recovery = 103% Analysis Date = 03/14/00 Pct Recovery = 102% Analysis Date = 03/14/00 Pct Recovery = 102% Analysis Date = 03/13/00 Pct Recovery = 102% Analysis Date = 03/13/00 Pct Recovery = 102% Analysis Date = 03/11/00 Pct Recovery = 102% Analysis Date = 03/11/00 Pct Recovery = 102% Analysis Date = 03/10/00 Pct Recovery = 102% Analysis Date = 03/10/00 Pct Recovery = 102% Analysis Date = 03/09/00 Pct Recovery = 102% Analysis Date = 03/09/00 Pct Recovery = 102% Analysis Date = 03/07/00 Pct Recovery = 102% Analysis Date = 03/07/00 Pct Recovery = 102% Analysis Date = 03/06/00 Pct Recovery = 102% Analysis Date = 03/06/00 Pct Recovery = 102% Analysis Date = 03/05/00 Pct Recovery = 102% Analysis Date = 03/05/00 Pct Recovery = 102% Analysis Date = 03/03/00 Pct Recovery = 102% Analysis Date = 03/03/00 Pct Recovery = 102% Analysis Date = 03/02/00 Pct Recovery = 102% Analysis Date = 03/02/00 Pct Recovery = 102% Analysis Date = 03/01/00 Pct Recovery = 102% Analysis Date = 03/01/00 Pct Recovery = 102% Analysis Date = 02/28/00 Pct Recovery = 101% Analysis Date = 02/28/00 Pct Recovery = 101% Analysis Date = 02/27/00 Pct Recovery = 101% Analysis Date = 02/27/00 Pct Recovery = 101% Analysis Date = 02/26/00 Pct Recovery = 101% Analysis Date = 02/26/00 Pct Recovery = 101% Analysis Date = 02/25/00 Pct Recovery = 101% Analysis Date = 02/25/00 Pct Recovery = 101% Analysis Date = 02/23/00 Pct Recovery = 101% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
ISOPROPYLBENZENE (CUMENE)

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 8 103% 7% 105% 4%
Total 8 103% 7% 105% 4%

Sample Statistics
ISOPROPYLBENZENE (CUMENE)

Characteristic N % % Basis
Plotted 8 62% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 5 38% Spiked
Spiked 13 .  
False Negatives 0 0% 0 out of 13
Not Spiked 23 .  
False Positives 0 0% 0 out of 23

BQS OBSP Determination:
M- AND P-XYLENE
METHOD: 4054 , TESTIDCODE: 85795GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 110% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 94% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
M- AND P-XYLENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 2 102% 11% 102% 12%
Total 2 102% 11% 102% 12%

Sample Statistics
M- AND P-XYLENE

Characteristic N % % Basis
Plotted 2 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 2 .  
False Negatives 0 0% 0 out of 2
Not Spiked 34 .  
False Positives 16 47% 16 out of 34

BQS OBSP Determination:
METHYL ACRYLATE
METHOD: 4054 , TESTIDCODE: 49991GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 114% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 104% Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 106% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 103% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 115% Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 96% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 108% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 107% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 114% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 95% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 96% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 109% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 108% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 89% Analysis Date = 10/03/03 Pct Recovery = 101% Analysis Date = 09/28/03 Pct Recovery = 101% Analysis Date = 09/28/03 Pct Recovery = 101% Analysis Date = 09/22/03 Pct Recovery = 101% Analysis Date = 09/22/03 Pct Recovery = 101% Analysis Date = 09/16/03 Pct Recovery = 102% Analysis Date = 09/16/03 Pct Recovery = 102% Analysis Date = 09/11/03 Pct Recovery = 102% Analysis Date = 09/11/03 Pct Recovery = 102% Analysis Date = 09/05/03 Pct Recovery = 102% Analysis Date = 09/05/03 Pct Recovery = 102% Analysis Date = 08/30/03 Pct Recovery = 102% Analysis Date = 08/30/03 Pct Recovery = 102% Analysis Date = 08/24/03 Pct Recovery = 103% Analysis Date = 08/24/03 Pct Recovery = 103% Analysis Date = 08/19/03 Pct Recovery = 103% Analysis Date = 08/19/03 Pct Recovery = 103% Analysis Date = 08/13/03 Pct Recovery = 103% Analysis Date = 08/13/03 Pct Recovery = 103% Analysis Date = 08/07/03 Pct Recovery = 103% Analysis Date = 08/07/03 Pct Recovery = 103% Analysis Date = 08/02/03 Pct Recovery = 103% Analysis Date = 08/02/03 Pct Recovery = 103% Analysis Date = 07/27/03 Pct Recovery = 104% Analysis Date = 07/27/03 Pct Recovery = 104% Analysis Date = 07/21/03 Pct Recovery = 104% Analysis Date = 07/21/03 Pct Recovery = 104% Analysis Date = 07/15/03 Pct Recovery = 104% Analysis Date = 07/15/03 Pct Recovery = 104% Analysis Date = 07/10/03 Pct Recovery = 104% Analysis Date = 07/10/03 Pct Recovery = 104% Analysis Date = 07/04/03 Pct Recovery = 105% Analysis Date = 07/04/03 Pct Recovery = 105% Analysis Date = 06/28/03 Pct Recovery = 105% Analysis Date = 06/28/03 Pct Recovery = 105% Analysis Date = 06/23/03 Pct Recovery = 105% Analysis Date = 06/23/03 Pct Recovery = 105% Analysis Date = 06/17/03 Pct Recovery = 105% Analysis Date = 06/17/03 Pct Recovery = 105% Analysis Date = 06/11/03 Pct Recovery = 105% Analysis Date = 06/11/03 Pct Recovery = 105% Analysis Date = 06/05/03 Pct Recovery = 106% Analysis Date = 06/05/03 Pct Recovery = 106% Analysis Date = 05/31/03 Pct Recovery = 106% Analysis Date = 05/31/03 Pct Recovery = 106% Analysis Date = 05/25/03 Pct Recovery = 106% Analysis Date = 05/25/03 Pct Recovery = 106% Analysis Date = 05/19/03 Pct Recovery = 106% Analysis Date = 05/19/03 Pct Recovery = 106% Analysis Date = 05/14/03 Pct Recovery = 106% Analysis Date = 05/14/03 Pct Recovery = 106% Analysis Date = 05/08/03 Pct Recovery = 106% Analysis Date = 05/08/03 Pct Recovery = 106% Analysis Date = 05/02/03 Pct Recovery = 106% Analysis Date = 05/02/03 Pct Recovery = 106% Analysis Date = 04/26/03 Pct Recovery = 106% Analysis Date = 04/26/03 Pct Recovery = 106% Analysis Date = 04/21/03 Pct Recovery = 106% Analysis Date = 04/21/03 Pct Recovery = 106% Analysis Date = 04/15/03 Pct Recovery = 106% Analysis Date = 04/15/03 Pct Recovery = 106% Analysis Date = 04/09/03 Pct Recovery = 106% Analysis Date = 04/09/03 Pct Recovery = 106% Analysis Date = 04/04/03 Pct Recovery = 106% Analysis Date = 04/04/03 Pct Recovery = 106% Analysis Date = 03/29/03 Pct Recovery = 106% Analysis Date = 03/29/03 Pct Recovery = 106% Analysis Date = 03/23/03 Pct Recovery = 106% Analysis Date = 03/23/03 Pct Recovery = 106% Analysis Date = 03/17/03 Pct Recovery = 106% Analysis Date = 03/17/03 Pct Recovery = 106% Analysis Date = 03/12/03 Pct Recovery = 105% Analysis Date = 03/12/03 Pct Recovery = 105% Analysis Date = 03/06/03 Pct Recovery = 105% Analysis Date = 03/06/03 Pct Recovery = 105% Analysis Date = 02/28/03 Pct Recovery = 105% Analysis Date = 02/28/03 Pct Recovery = 105% Analysis Date = 02/22/03 Pct Recovery = 105% Analysis Date = 02/22/03 Pct Recovery = 105% Analysis Date = 02/17/03 Pct Recovery = 105% Analysis Date = 02/17/03 Pct Recovery = 105% Analysis Date = 02/11/03 Pct Recovery = 105% Analysis Date = 02/11/03 Pct Recovery = 105% Analysis Date = 02/05/03 Pct Recovery = 105% Analysis Date = 02/05/03 Pct Recovery = 105% Analysis Date = 01/31/03 Pct Recovery = 105% Analysis Date = 01/31/03 Pct Recovery = 105% Analysis Date = 01/25/03 Pct Recovery = 105% Analysis Date = 01/25/03 Pct Recovery = 105% Analysis Date = 01/19/03 Pct Recovery = 104% Analysis Date = 01/19/03 Pct Recovery = 104% Analysis Date = 01/13/03 Pct Recovery = 104% Analysis Date = 01/13/03 Pct Recovery = 104% Analysis Date = 01/08/03 Pct Recovery = 104% Analysis Date = 01/08/03 Pct Recovery = 104% Analysis Date = 01/02/03 Pct Recovery = 104% Analysis Date = 01/02/03 Pct Recovery = 104% Analysis Date = 12/27/02 Pct Recovery = 104% Analysis Date = 12/27/02 Pct Recovery = 104% Analysis Date = 12/22/02 Pct Recovery = 104% Analysis Date = 12/22/02 Pct Recovery = 104% Analysis Date = 12/16/02 Pct Recovery = 104% Analysis Date = 12/16/02 Pct Recovery = 104% Analysis Date = 12/10/02 Pct Recovery = 104% Analysis Date = 12/10/02 Pct Recovery = 104% Analysis Date = 12/04/02 Pct Recovery = 104% Analysis Date = 12/04/02 Pct Recovery = 104% Analysis Date = 11/29/02 Pct Recovery = 104% Analysis Date = 11/29/02 Pct Recovery = 104% Analysis Date = 11/23/02 Pct Recovery = 103% Analysis Date = 11/23/02 Pct Recovery = 103% Analysis Date = 11/17/02 Pct Recovery = 103% Analysis Date = 11/17/02 Pct Recovery = 103% Analysis Date = 11/12/02 Pct Recovery = 103% Analysis Date = 11/12/02 Pct Recovery = 103% Analysis Date = 11/06/02 Pct Recovery = 103% Analysis Date = 11/06/02 Pct Recovery = 103% Analysis Date = 10/31/02 Pct Recovery = 103% Analysis Date = 10/31/02 Pct Recovery = 103% Analysis Date = 10/25/02 Pct Recovery = 103% Analysis Date = 10/25/02 Pct Recovery = 103% Analysis Date = 10/20/02 Pct Recovery = 103% Analysis Date = 10/20/02 Pct Recovery = 103% Analysis Date = 10/14/02 Pct Recovery = 103% Analysis Date = 10/14/02 Pct Recovery = 103% Analysis Date = 10/08/02 Pct Recovery = 103% Analysis Date = 10/08/02 Pct Recovery = 103% Analysis Date = 10/03/02 Pct Recovery = 102% Analysis Date = 10/03/02 Pct Recovery = 102% Analysis Date = 09/27/02 Pct Recovery = 102% Analysis Date = 09/27/02 Pct Recovery = 102% Analysis Date = 09/21/02 Pct Recovery = 102% Analysis Date = 09/21/02 Pct Recovery = 102% Analysis Date = 09/15/02 Pct Recovery = 102% Analysis Date = 09/15/02 Pct Recovery = 102% Analysis Date = 09/10/02 Pct Recovery = 102% Analysis Date = 09/10/02 Pct Recovery = 102% Analysis Date = 09/04/02 Pct Recovery = 102% Analysis Date = 09/04/02 Pct Recovery = 102% Analysis Date = 08/29/02 Pct Recovery = 102% Analysis Date = 08/29/02 Pct Recovery = 102% Analysis Date = 08/24/02 Pct Recovery = 102% Analysis Date = 08/24/02 Pct Recovery = 102% Analysis Date = 08/18/02 Pct Recovery = 102% Analysis Date = 08/18/02 Pct Recovery = 102% Analysis Date = 08/12/02 Pct Recovery = 102% Analysis Date = 08/12/02 Pct Recovery = 102% Analysis Date = 08/06/02 Pct Recovery = 101% Analysis Date = 08/06/02 Pct Recovery = 101% Analysis Date = 08/01/02 Pct Recovery = 101% Analysis Date = 08/01/02 Pct Recovery = 101% Analysis Date = 07/26/02 Pct Recovery = 101% Analysis Date = 07/26/02 Pct Recovery = 101% Analysis Date = 07/20/02 Pct Recovery = 101% Analysis Date = 07/20/02 Pct Recovery = 101% Analysis Date = 07/14/02 Pct Recovery = 101% Analysis Date = 07/14/02 Pct Recovery = 101% Analysis Date = 07/09/02 Pct Recovery = 101% Analysis Date = 07/09/02 Pct Recovery = 101% Analysis Date = 07/03/02 Pct Recovery = 101% Analysis Date = 07/03/02 Pct Recovery = 101% Analysis Date = 06/27/02 Pct Recovery = 101% Analysis Date = 06/27/02 Pct Recovery = 101% Analysis Date = 06/22/02 Pct Recovery = 100% Analysis Date = 06/22/02 Pct Recovery = 100% Analysis Date = 06/16/02 Pct Recovery = 100% Analysis Date = 06/16/02 Pct Recovery = 100% Analysis Date = 06/10/02 Pct Recovery = 100% Analysis Date = 06/10/02 Pct Recovery = 100% Analysis Date = 06/04/02 Pct Recovery = 100% Analysis Date = 06/04/02 Pct Recovery = 100% Analysis Date = 05/30/02 Pct Recovery = 100% Analysis Date = 05/30/02 Pct Recovery = 100% Analysis Date = 05/24/02 Pct Recovery = 101% Analysis Date = 05/24/02 Pct Recovery = 101% Analysis Date = 05/18/02 Pct Recovery = 101% Analysis Date = 05/18/02 Pct Recovery = 101% Analysis Date = 05/13/02 Pct Recovery = 101% Analysis Date = 05/13/02 Pct Recovery = 101% Analysis Date = 05/07/02 Pct Recovery = 101% Analysis Date = 05/07/02 Pct Recovery = 101% Analysis Date = 05/01/02 Pct Recovery = 101% Analysis Date = 05/01/02 Pct Recovery = 101% Analysis Date = 04/25/02 Pct Recovery = 101% Analysis Date = 04/25/02 Pct Recovery = 101% Analysis Date = 04/20/02 Pct Recovery = 101% Analysis Date = 04/20/02 Pct Recovery = 101% Analysis Date = 04/14/02 Pct Recovery = 101% Analysis Date = 04/14/02 Pct Recovery = 101% Analysis Date = 04/08/02 Pct Recovery = 101% Analysis Date = 04/08/02 Pct Recovery = 101% Analysis Date = 04/03/02 Pct Recovery = 101% Analysis Date = 04/03/02 Pct Recovery = 101% Analysis Date = 03/28/02 Pct Recovery = 101% Analysis Date = 03/28/02 Pct Recovery = 101% Analysis Date = 03/22/02 Pct Recovery = 101% Analysis Date = 03/22/02 Pct Recovery = 101% Analysis Date = 03/16/02 Pct Recovery = 101% Analysis Date = 03/16/02 Pct Recovery = 101% Analysis Date = 03/11/02 Pct Recovery = 101% Analysis Date = 03/11/02 Pct Recovery = 101% Analysis Date = 03/05/02 Pct Recovery = 101% Analysis Date = 03/05/02 Pct Recovery = 101% Analysis Date = 02/27/02 Pct Recovery = 101% Analysis Date = 02/27/02 Pct Recovery = 101% Analysis Date = 02/22/02 Pct Recovery = 101% Analysis Date = 02/22/02 Pct Recovery = 101% Analysis Date = 02/16/02 Pct Recovery = 101% Analysis Date = 02/16/02 Pct Recovery = 101% Analysis Date = 02/10/02 Pct Recovery = 101% Analysis Date = 02/10/02 Pct Recovery = 101% Analysis Date = 02/04/02 Pct Recovery = 101% Analysis Date = 02/04/02 Pct Recovery = 101% Analysis Date = 01/30/02 Pct Recovery = 101% Analysis Date = 01/30/02 Pct Recovery = 101% Analysis Date = 01/24/02 Pct Recovery = 101% Analysis Date = 01/24/02 Pct Recovery = 101% Analysis Date = 01/18/02 Pct Recovery = 101% Analysis Date = 01/18/02 Pct Recovery = 101% Analysis Date = 01/13/02 Pct Recovery = 101% Analysis Date = 01/13/02 Pct Recovery = 101% Analysis Date = 01/07/02 Pct Recovery = 102% Analysis Date = 01/07/02 Pct Recovery = 102% Analysis Date = 01/01/02 Pct Recovery = 102% Analysis Date = 01/01/02 Pct Recovery = 102% Analysis Date = 12/26/01 Pct Recovery = 102% Analysis Date = 12/26/01 Pct Recovery = 102% Analysis Date = 12/21/01 Pct Recovery = 102% Analysis Date = 12/21/01 Pct Recovery = 102% Analysis Date = 12/15/01 Pct Recovery = 102% Analysis Date = 12/15/01 Pct Recovery = 102% Analysis Date = 12/09/01 Pct Recovery = 102% Analysis Date = 12/09/01 Pct Recovery = 102% Analysis Date = 12/03/01 Pct Recovery = 102% Analysis Date = 12/03/01 Pct Recovery = 102% Analysis Date = 11/28/01 Pct Recovery = 102% Analysis Date = 11/28/01 Pct Recovery = 102% Analysis Date = 11/22/01 Pct Recovery = 102% Analysis Date = 11/22/01 Pct Recovery = 102% Analysis Date = 11/16/01 Pct Recovery = 102% Analysis Date = 11/16/01 Pct Recovery = 102% Analysis Date = 11/11/01 Pct Recovery = 102% Analysis Date = 11/11/01 Pct Recovery = 102% Analysis Date = 11/05/01 Pct Recovery = 103% Analysis Date = 11/05/01 Pct Recovery = 103% Analysis Date = 10/30/01 Pct Recovery = 103% Analysis Date = 10/30/01 Pct Recovery = 103% Analysis Date = 10/24/01 Pct Recovery = 103% Analysis Date = 10/24/01 Pct Recovery = 103% Analysis Date = 10/19/01 Pct Recovery = 103% Analysis Date = 10/19/01 Pct Recovery = 103% Analysis Date = 10/13/01 Pct Recovery = 103% Analysis Date = 10/13/01 Pct Recovery = 103% Analysis Date = 10/07/01 Pct Recovery = 103% Analysis Date = 10/07/01 Pct Recovery = 103% Analysis Date = 10/02/01 Pct Recovery = 103% Analysis Date = 10/02/01 Pct Recovery = 103% Analysis Date = 09/26/01 Pct Recovery = 103% Analysis Date = 09/26/01 Pct Recovery = 103% Analysis Date = 09/20/01 Pct Recovery = 103% Analysis Date = 09/20/01 Pct Recovery = 103% Analysis Date = 09/14/01 Pct Recovery = 103% Analysis Date = 09/14/01 Pct Recovery = 103% Analysis Date = 09/09/01 Pct Recovery = 103% Analysis Date = 09/09/01 Pct Recovery = 103% Analysis Date = 09/03/01 Pct Recovery = 103% Analysis Date = 09/03/01 Pct Recovery = 103% Analysis Date = 08/28/01 Pct Recovery = 104% Analysis Date = 08/28/01 Pct Recovery = 104% Analysis Date = 08/23/01 Pct Recovery = 104% Analysis Date = 08/23/01 Pct Recovery = 104% Analysis Date = 08/17/01 Pct Recovery = 104% Analysis Date = 08/17/01 Pct Recovery = 104% Analysis Date = 08/11/01 Pct Recovery = 104% Analysis Date = 08/11/01 Pct Recovery = 104% Analysis Date = 08/05/01 Pct Recovery = 104% Analysis Date = 08/05/01 Pct Recovery = 104% Analysis Date = 07/31/01 Pct Recovery = 104% Analysis Date = 07/31/01 Pct Recovery = 104% Analysis Date = 07/25/01 Pct Recovery = 104% Analysis Date = 07/25/01 Pct Recovery = 104% Analysis Date = 07/19/01 Pct Recovery = 104% Analysis Date = 07/19/01 Pct Recovery = 104% Analysis Date = 07/14/01 Pct Recovery = 104% Analysis Date = 07/14/01 Pct Recovery = 104% Analysis Date = 07/08/01 Pct Recovery = 105% Analysis Date = 07/08/01 Pct Recovery = 105% Analysis Date = 07/02/01 Pct Recovery = 105% Analysis Date = 07/02/01 Pct Recovery = 105% Analysis Date = 06/26/01 Pct Recovery = 105% Analysis Date = 06/26/01 Pct Recovery = 105% Analysis Date = 06/21/01 Pct Recovery = 105% Analysis Date = 06/21/01 Pct Recovery = 105% Analysis Date = 06/15/01 Pct Recovery = 105% Analysis Date = 06/15/01 Pct Recovery = 105% Analysis Date = 06/09/01 Pct Recovery = 105% Analysis Date = 06/09/01 Pct Recovery = 105% Analysis Date = 06/04/01 Pct Recovery = 106% Analysis Date = 06/04/01 Pct Recovery = 106% Analysis Date = 05/29/01 Pct Recovery = 106% Analysis Date = 05/29/01 Pct Recovery = 106% Analysis Date = 05/23/01 Pct Recovery = 106% Analysis Date = 05/23/01 Pct Recovery = 106% Analysis Date = 05/17/01 Pct Recovery = 106% Analysis Date = 05/17/01 Pct Recovery = 106% Analysis Date = 05/12/01 Pct Recovery = 106% Analysis Date = 05/12/01 Pct Recovery = 106% Analysis Date = 05/06/01 Pct Recovery = 106% Analysis Date = 05/06/01 Pct Recovery = 106% Analysis Date = 04/30/01 Pct Recovery = 106% Analysis Date = 04/30/01 Pct Recovery = 106% Analysis Date = 04/24/01 Pct Recovery = 107% Analysis Date = 04/24/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/07/01 Pct Recovery = 107% Analysis Date = 04/07/01 Pct Recovery = 107% Analysis Date = 04/02/01 Pct Recovery = 107% Analysis Date = 04/02/01 Pct Recovery = 107% Analysis Date = 03/27/01 Pct Recovery = 107% Analysis Date = 03/27/01 Pct Recovery = 107% Analysis Date = 03/21/01 Pct Recovery = 107% Analysis Date = 03/21/01 Pct Recovery = 107% Analysis Date = 03/15/01 Pct Recovery = 107% Analysis Date = 03/15/01 Pct Recovery = 107% Analysis Date = 03/10/01 Pct Recovery = 108% Analysis Date = 03/10/01 Pct Recovery = 108% Analysis Date = 03/04/01 Pct Recovery = 108% Analysis Date = 03/04/01 Pct Recovery = 108% Analysis Date = 02/26/01 Pct Recovery = 108% Analysis Date = 02/26/01 Pct Recovery = 108% Analysis Date = 02/21/01 Pct Recovery = 108% Analysis Date = 02/21/01 Pct Recovery = 108% Analysis Date = 02/15/01 Pct Recovery = 108% Analysis Date = 02/15/01 Pct Recovery = 108% Analysis Date = 02/09/01 Pct Recovery = 108% Analysis Date = 02/09/01 Pct Recovery = 108% Analysis Date = 02/03/01 Pct Recovery = 108% Analysis Date = 02/03/01 Pct Recovery = 108% Analysis Date = 01/29/01 Pct Recovery = 108% Analysis Date = 01/29/01 Pct Recovery = 108% Analysis Date = 01/23/01 Pct Recovery = 108% Analysis Date = 01/23/01 Pct Recovery = 108% Analysis Date = 01/17/01 Pct Recovery = 108% Analysis Date = 01/17/01 Pct Recovery = 108% Analysis Date = 01/12/01 Pct Recovery = 108% Analysis Date = 01/12/01 Pct Recovery = 108% Analysis Date = 01/06/01 Pct Recovery = 108% Analysis Date = 01/06/01 Pct Recovery = 108% Analysis Date = 12/31/00 Pct Recovery = 109% Analysis Date = 12/31/00 Pct Recovery = 109% Analysis Date = 12/25/00 Pct Recovery = 109% Analysis Date = 12/25/00 Pct Recovery = 109% Analysis Date = 12/20/00 Pct Recovery = 109% Analysis Date = 12/20/00 Pct Recovery = 109% Analysis Date = 12/14/00 Pct Recovery = 109% Analysis Date = 12/14/00 Pct Recovery = 109% Analysis Date = 12/08/00 Pct Recovery = 109% Analysis Date = 12/08/00 Pct Recovery = 109% Analysis Date = 12/03/00 Pct Recovery = 109% Analysis Date = 12/03/00 Pct Recovery = 109% Analysis Date = 11/27/00 Pct Recovery = 109% Analysis Date = 11/27/00 Pct Recovery = 109% Analysis Date = 11/21/00 Pct Recovery = 109% Analysis Date = 11/21/00 Pct Recovery = 109% Analysis Date = 11/15/00 Pct Recovery = 109% Analysis Date = 11/15/00 Pct Recovery = 109% Analysis Date = 11/10/00 Pct Recovery = 109% Analysis Date = 11/10/00 Pct Recovery = 109% Analysis Date = 11/04/00 Pct Recovery = 109% Analysis Date = 11/04/00 Pct Recovery = 109% Analysis Date = 10/29/00 Pct Recovery = 109% Analysis Date = 10/29/00 Pct Recovery = 109% Analysis Date = 10/24/00 Pct Recovery = 109% Analysis Date = 10/24/00 Pct Recovery = 109% Analysis Date = 10/18/00 Pct Recovery = 109% Analysis Date = 10/18/00 Pct Recovery = 109% Analysis Date = 10/12/00 Pct Recovery = 110% Analysis Date = 10/12/00 Pct Recovery = 110% Analysis Date = 10/06/00 Pct Recovery = 110% Analysis Date = 10/06/00 Pct Recovery = 110% Analysis Date = 10/01/00 Pct Recovery = 110% Analysis Date = 10/01/00 Pct Recovery = 110% Analysis Date = 09/25/00 Pct Recovery = 110% Analysis Date = 09/25/00 Pct Recovery = 110% Analysis Date = 09/19/00 Pct Recovery = 110% Analysis Date = 09/19/00 Pct Recovery = 110% Analysis Date = 09/13/00 Pct Recovery = 110% Analysis Date = 09/13/00 Pct Recovery = 110% Analysis Date = 09/08/00 Pct Recovery = 110% Analysis Date = 09/08/00 Pct Recovery = 110% Analysis Date = 09/02/00 Pct Recovery = 110% Analysis Date = 09/02/00 Pct Recovery = 110% Analysis Date = 08/27/00 Pct Recovery = 110% Analysis Date = 08/27/00 Pct Recovery = 110% Analysis Date = 08/22/00 Pct Recovery = 110% Analysis Date = 08/22/00 Pct Recovery = 110% Analysis Date = 08/16/00 Pct Recovery = 110% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
METHYL ACRYLATE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 1 89% . 89% 0%
>= Reporting Level 13 106% 7% 107% 5%
Total 14 104% 8% 107% 9%

Sample Statistics
METHYL ACRYLATE

Characteristic N % % Basis
Plotted 14 70% Spiked
Estimated Values 1 5% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 5 25% Spiked
Spiked 20 .  
False Negatives 1 5% 1 out of 20
Not Spiked 16 .  
False Positives 0 0% 0 out of 16

BQS OBSP Determination:
METHYL ACRYLONITRILE
METHOD: 4054 , TESTIDCODE: 81593GCM66
Open Data Set

Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 108% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 102% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 128% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 95% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 95% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 105% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 102% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 104% Analysis Date = 10/03/03 Pct Recovery = 104% Analysis Date = 09/28/03 Pct Recovery = 104% Analysis Date = 09/28/03 Pct Recovery = 104% Analysis Date = 09/22/03 Pct Recovery = 104% Analysis Date = 09/22/03 Pct Recovery = 104% Analysis Date = 09/16/03 Pct Recovery = 104% Analysis Date = 09/16/03 Pct Recovery = 104% Analysis Date = 09/11/03 Pct Recovery = 104% Analysis Date = 09/11/03 Pct Recovery = 104% Analysis Date = 09/05/03 Pct Recovery = 104% Analysis Date = 09/05/03 Pct Recovery = 104% Analysis Date = 08/30/03 Pct Recovery = 104% Analysis Date = 08/30/03 Pct Recovery = 104% Analysis Date = 08/24/03 Pct Recovery = 104% Analysis Date = 08/24/03 Pct Recovery = 104% Analysis Date = 08/19/03 Pct Recovery = 104% Analysis Date = 08/19/03 Pct Recovery = 104% Analysis Date = 08/13/03 Pct Recovery = 104% Analysis Date = 08/13/03 Pct Recovery = 104% Analysis Date = 08/07/03 Pct Recovery = 104% Analysis Date = 08/07/03 Pct Recovery = 104% Analysis Date = 08/02/03 Pct Recovery = 104% Analysis Date = 08/02/03 Pct Recovery = 104% Analysis Date = 07/27/03 Pct Recovery = 104% Analysis Date = 07/27/03 Pct Recovery = 104% Analysis Date = 07/21/03 Pct Recovery = 104% Analysis Date = 07/21/03 Pct Recovery = 104% Analysis Date = 07/15/03 Pct Recovery = 104% Analysis Date = 07/15/03 Pct Recovery = 104% Analysis Date = 07/10/03 Pct Recovery = 104% Analysis Date = 07/10/03 Pct Recovery = 104% Analysis Date = 07/04/03 Pct Recovery = 104% Analysis Date = 07/04/03 Pct Recovery = 104% Analysis Date = 06/28/03 Pct Recovery = 104% Analysis Date = 06/28/03 Pct Recovery = 104% Analysis Date = 06/23/03 Pct Recovery = 104% Analysis Date = 06/23/03 Pct Recovery = 104% Analysis Date = 06/17/03 Pct Recovery = 104% Analysis Date = 06/17/03 Pct Recovery = 104% Analysis Date = 06/11/03 Pct Recovery = 104% Analysis Date = 06/11/03 Pct Recovery = 104% Analysis Date = 06/05/03 Pct Recovery = 104% Analysis Date = 06/05/03 Pct Recovery = 104% Analysis Date = 05/31/03 Pct Recovery = 104% Analysis Date = 05/31/03 Pct Recovery = 104% Analysis Date = 05/25/03 Pct Recovery = 104% Analysis Date = 05/25/03 Pct Recovery = 104% Analysis Date = 05/19/03 Pct Recovery = 104% Analysis Date = 05/19/03 Pct Recovery = 104% Analysis Date = 05/14/03 Pct Recovery = 104% Analysis Date = 05/14/03 Pct Recovery = 104% Analysis Date = 05/08/03 Pct Recovery = 104% Analysis Date = 05/08/03 Pct Recovery = 104% Analysis Date = 05/02/03 Pct Recovery = 104% Analysis Date = 05/02/03 Pct Recovery = 104% Analysis Date = 04/26/03 Pct Recovery = 104% Analysis Date = 04/26/03 Pct Recovery = 104% Analysis Date = 04/21/03 Pct Recovery = 104% Analysis Date = 04/21/03 Pct Recovery = 104% Analysis Date = 04/15/03 Pct Recovery = 104% Analysis Date = 04/15/03 Pct Recovery = 104% Analysis Date = 04/09/03 Pct Recovery = 104% Analysis Date = 04/09/03 Pct Recovery = 104% Analysis Date = 04/04/03 Pct Recovery = 104% Analysis Date = 04/04/03 Pct Recovery = 104% Analysis Date = 03/29/03 Pct Recovery = 104% Analysis Date = 03/29/03 Pct Recovery = 104% Analysis Date = 03/23/03 Pct Recovery = 104% Analysis Date = 03/23/03 Pct Recovery = 104% Analysis Date = 03/17/03 Pct Recovery = 104% Analysis Date = 03/17/03 Pct Recovery = 104% Analysis Date = 03/12/03 Pct Recovery = 104% Analysis Date = 03/12/03 Pct Recovery = 104% Analysis Date = 03/06/03 Pct Recovery = 104% Analysis Date = 03/06/03 Pct Recovery = 104% Analysis Date = 02/28/03 Pct Recovery = 104% Analysis Date = 02/28/03 Pct Recovery = 104% Analysis Date = 02/22/03 Pct Recovery = 104% Analysis Date = 02/22/03 Pct Recovery = 104% Analysis Date = 02/17/03 Pct Recovery = 104% Analysis Date = 02/17/03 Pct Recovery = 104% Analysis Date = 02/11/03 Pct Recovery = 104% Analysis Date = 02/11/03 Pct Recovery = 104% Analysis Date = 02/05/03 Pct Recovery = 104% Analysis Date = 02/05/03 Pct Recovery = 104% Analysis Date = 01/31/03 Pct Recovery = 104% Analysis Date = 01/31/03 Pct Recovery = 104% Analysis Date = 01/25/03 Pct Recovery = 104% Analysis Date = 01/25/03 Pct Recovery = 104% Analysis Date = 01/19/03 Pct Recovery = 104% Analysis Date = 01/19/03 Pct Recovery = 104% Analysis Date = 01/13/03 Pct Recovery = 104% Analysis Date = 01/13/03 Pct Recovery = 104% Analysis Date = 01/08/03 Pct Recovery = 104% Analysis Date = 01/08/03 Pct Recovery = 104% Analysis Date = 01/02/03 Pct Recovery = 104% Analysis Date = 01/02/03 Pct Recovery = 104% Analysis Date = 12/27/02 Pct Recovery = 104% Analysis Date = 12/27/02 Pct Recovery = 104% Analysis Date = 12/22/02 Pct Recovery = 104% Analysis Date = 12/22/02 Pct Recovery = 104% Analysis Date = 12/16/02 Pct Recovery = 104% Analysis Date = 12/16/02 Pct Recovery = 104% Analysis Date = 12/10/02 Pct Recovery = 104% Analysis Date = 12/10/02 Pct Recovery = 104% Analysis Date = 12/04/02 Pct Recovery = 104% Analysis Date = 12/04/02 Pct Recovery = 104% Analysis Date = 11/29/02 Pct Recovery = 104% Analysis Date = 11/29/02 Pct Recovery = 104% Analysis Date = 11/23/02 Pct Recovery = 104% Analysis Date = 11/23/02 Pct Recovery = 104% Analysis Date = 11/17/02 Pct Recovery = 104% Analysis Date = 11/17/02 Pct Recovery = 104% Analysis Date = 11/12/02 Pct Recovery = 104% Analysis Date = 11/12/02 Pct Recovery = 104% Analysis Date = 11/06/02 Pct Recovery = 104% Analysis Date = 11/06/02 Pct Recovery = 104% Analysis Date = 10/31/02 Pct Recovery = 104% Analysis Date = 10/31/02 Pct Recovery = 104% Analysis Date = 10/25/02 Pct Recovery = 104% Analysis Date = 10/25/02 Pct Recovery = 104% Analysis Date = 10/20/02 Pct Recovery = 104% Analysis Date = 10/20/02 Pct Recovery = 104% Analysis Date = 10/14/02 Pct Recovery = 104% Analysis Date = 10/14/02 Pct Recovery = 104% Analysis Date = 10/08/02 Pct Recovery = 104% Analysis Date = 10/08/02 Pct Recovery = 104% Analysis Date = 10/03/02 Pct Recovery = 104% Analysis Date = 10/03/02 Pct Recovery = 104% Analysis Date = 09/27/02 Pct Recovery = 104% Analysis Date = 09/27/02 Pct Recovery = 104% Analysis Date = 09/21/02 Pct Recovery = 104% Analysis Date = 09/21/02 Pct Recovery = 104% Analysis Date = 09/15/02 Pct Recovery = 104% Analysis Date = 09/15/02 Pct Recovery = 104% Analysis Date = 09/10/02 Pct Recovery = 104% Analysis Date = 09/10/02 Pct Recovery = 104% Analysis Date = 09/04/02 Pct Recovery = 104% Analysis Date = 09/04/02 Pct Recovery = 104% Analysis Date = 08/29/02 Pct Recovery = 105% Analysis Date = 08/29/02 Pct Recovery = 105% Analysis Date = 08/24/02 Pct Recovery = 105% Analysis Date = 08/24/02 Pct Recovery = 105% Analysis Date = 08/18/02 Pct Recovery = 105% Analysis Date = 08/18/02 Pct Recovery = 105% Analysis Date = 08/12/02 Pct Recovery = 105% Analysis Date = 08/12/02 Pct Recovery = 105% Analysis Date = 08/06/02 Pct Recovery = 105% Analysis Date = 08/06/02 Pct Recovery = 105% Analysis Date = 08/01/02 Pct Recovery = 105% Analysis Date = 08/01/02 Pct Recovery = 105% Analysis Date = 07/26/02 Pct Recovery = 105% Analysis Date = 07/26/02 Pct Recovery = 105% Analysis Date = 07/20/02 Pct Recovery = 105% Analysis Date = 07/20/02 Pct Recovery = 105% Analysis Date = 07/14/02 Pct Recovery = 105% Analysis Date = 07/14/02 Pct Recovery = 105% Analysis Date = 07/09/02 Pct Recovery = 105% Analysis Date = 07/09/02 Pct Recovery = 105% Analysis Date = 07/03/02 Pct Recovery = 105% Analysis Date = 07/03/02 Pct Recovery = 105% Analysis Date = 06/27/02 Pct Recovery = 105% Analysis Date = 06/27/02 Pct Recovery = 105% Analysis Date = 06/22/02 Pct Recovery = 105% Analysis Date = 06/22/02 Pct Recovery = 105% Analysis Date = 06/16/02 Pct Recovery = 105% Analysis Date = 06/16/02 Pct Recovery = 105% Analysis Date = 06/10/02 Pct Recovery = 105% Analysis Date = 06/10/02 Pct Recovery = 105% Analysis Date = 06/04/02 Pct Recovery = 105% Analysis Date = 06/04/02 Pct Recovery = 105% Analysis Date = 05/30/02 Pct Recovery = 105% Analysis Date = 05/30/02 Pct Recovery = 105% Analysis Date = 05/24/02 Pct Recovery = 105% Analysis Date = 05/24/02 Pct Recovery = 105% Analysis Date = 05/18/02 Pct Recovery = 105% Analysis Date = 05/18/02 Pct Recovery = 105% Analysis Date = 05/13/02 Pct Recovery = 105% Analysis Date = 05/13/02 Pct Recovery = 105% Analysis Date = 05/07/02 Pct Recovery = 105% Analysis Date = 05/07/02 Pct Recovery = 105% Analysis Date = 05/01/02 Pct Recovery = 105% Analysis Date = 05/01/02 Pct Recovery = 105% Analysis Date = 04/25/02 Pct Recovery = 105% Analysis Date = 04/25/02 Pct Recovery = 105% Analysis Date = 04/20/02 Pct Recovery = 105% Analysis Date = 04/20/02 Pct Recovery = 105% Analysis Date = 04/14/02 Pct Recovery = 105% Analysis Date = 04/14/02 Pct Recovery = 105% Analysis Date = 04/08/02 Pct Recovery = 105% Analysis Date = 04/08/02 Pct Recovery = 105% Analysis Date = 04/03/02 Pct Recovery = 105% Analysis Date = 04/03/02 Pct Recovery = 105% Analysis Date = 03/28/02 Pct Recovery = 105% Analysis Date = 03/28/02 Pct Recovery = 105% Analysis Date = 03/22/02 Pct Recovery = 105% Analysis Date = 03/22/02 Pct Recovery = 105% Analysis Date = 03/16/02 Pct Recovery = 105% Analysis Date = 03/16/02 Pct Recovery = 105% Analysis Date = 03/11/02 Pct Recovery = 105% Analysis Date = 03/11/02 Pct Recovery = 105% Analysis Date = 03/05/02 Pct Recovery = 105% Analysis Date = 03/05/02 Pct Recovery = 105% Analysis Date = 02/27/02 Pct Recovery = 105% Analysis Date = 02/27/02 Pct Recovery = 105% Analysis Date = 02/22/02 Pct Recovery = 105% Analysis Date = 02/22/02 Pct Recovery = 105% Analysis Date = 02/16/02 Pct Recovery = 105% Analysis Date = 02/16/02 Pct Recovery = 105% Analysis Date = 02/10/02 Pct Recovery = 105% Analysis Date = 02/10/02 Pct Recovery = 105% Analysis Date = 02/04/02 Pct Recovery = 105% Analysis Date = 02/04/02 Pct Recovery = 105% Analysis Date = 01/30/02 Pct Recovery = 105% Analysis Date = 01/30/02 Pct Recovery = 105% Analysis Date = 01/24/02 Pct Recovery = 105% Analysis Date = 01/24/02 Pct Recovery = 105% Analysis Date = 01/18/02 Pct Recovery = 105% Analysis Date = 01/18/02 Pct Recovery = 105% Analysis Date = 01/13/02 Pct Recovery = 105% Analysis Date = 01/13/02 Pct Recovery = 105% Analysis Date = 01/07/02 Pct Recovery = 105% Analysis Date = 01/07/02 Pct Recovery = 105% Analysis Date = 01/01/02 Pct Recovery = 105% Analysis Date = 01/01/02 Pct Recovery = 105% Analysis Date = 12/26/01 Pct Recovery = 105% Analysis Date = 12/26/01 Pct Recovery = 105% Analysis Date = 12/21/01 Pct Recovery = 105% Analysis Date = 12/21/01 Pct Recovery = 105% Analysis Date = 12/15/01 Pct Recovery = 105% Analysis Date = 12/15/01 Pct Recovery = 105% Analysis Date = 12/09/01 Pct Recovery = 105% Analysis Date = 12/09/01 Pct Recovery = 105% Analysis Date = 12/03/01 Pct Recovery = 105% Analysis Date = 12/03/01 Pct Recovery = 105% Analysis Date = 11/28/01 Pct Recovery = 105% Analysis Date = 11/28/01 Pct Recovery = 105% Analysis Date = 11/22/01 Pct Recovery = 105% Analysis Date = 11/22/01 Pct Recovery = 105% Analysis Date = 11/16/01 Pct Recovery = 105% Analysis Date = 11/16/01 Pct Recovery = 105% Analysis Date = 11/11/01 Pct Recovery = 105% Analysis Date = 11/11/01 Pct Recovery = 105% Analysis Date = 11/05/01 Pct Recovery = 105% Analysis Date = 11/05/01 Pct Recovery = 105% Analysis Date = 10/30/01 Pct Recovery = 105% Analysis Date = 10/30/01 Pct Recovery = 105% Analysis Date = 10/24/01 Pct Recovery = 105% Analysis Date = 10/24/01 Pct Recovery = 105% Analysis Date = 10/19/01 Pct Recovery = 105% Analysis Date = 10/19/01 Pct Recovery = 105% Analysis Date = 10/13/01 Pct Recovery = 105% Analysis Date = 10/13/01 Pct Recovery = 105% Analysis Date = 10/07/01 Pct Recovery = 105% Analysis Date = 10/07/01 Pct Recovery = 105% Analysis Date = 10/02/01 Pct Recovery = 105% Analysis Date = 10/02/01 Pct Recovery = 105% Analysis Date = 09/26/01 Pct Recovery = 105% Analysis Date = 09/26/01 Pct Recovery = 105% Analysis Date = 09/20/01 Pct Recovery = 105% Analysis Date = 09/20/01 Pct Recovery = 105% Analysis Date = 09/14/01 Pct Recovery = 105% Analysis Date = 09/14/01 Pct Recovery = 105% Analysis Date = 09/09/01 Pct Recovery = 106% Analysis Date = 09/09/01 Pct Recovery = 106% Analysis Date = 09/03/01 Pct Recovery = 106% Analysis Date = 09/03/01 Pct Recovery = 106% Analysis Date = 08/28/01 Pct Recovery = 106% Analysis Date = 08/28/01 Pct Recovery = 106% Analysis Date = 08/23/01 Pct Recovery = 106% Analysis Date = 08/23/01 Pct Recovery = 106% Analysis Date = 08/17/01 Pct Recovery = 106% Analysis Date = 08/17/01 Pct Recovery = 106% Analysis Date = 08/11/01 Pct Recovery = 106% Analysis Date = 08/11/01 Pct Recovery = 106% Analysis Date = 08/05/01 Pct Recovery = 106% Analysis Date = 08/05/01 Pct Recovery = 106% Analysis Date = 07/31/01 Pct Recovery = 106% Analysis Date = 07/31/01 Pct Recovery = 106% Analysis Date = 07/25/01 Pct Recovery = 106% Analysis Date = 07/25/01 Pct Recovery = 106% Analysis Date = 07/19/01 Pct Recovery = 106% Analysis Date = 07/19/01 Pct Recovery = 106% Analysis Date = 07/14/01 Pct Recovery = 107% Analysis Date = 07/14/01 Pct Recovery = 107% Analysis Date = 07/08/01 Pct Recovery = 107% Analysis Date = 07/08/01 Pct Recovery = 107% Analysis Date = 07/02/01 Pct Recovery = 107% Analysis Date = 07/02/01 Pct Recovery = 107% Analysis Date = 06/26/01 Pct Recovery = 108% Analysis Date = 06/26/01 Pct Recovery = 108% Analysis Date = 06/21/01 Pct Recovery = 108% Analysis Date = 06/21/01 Pct Recovery = 108% Analysis Date = 06/15/01 Pct Recovery = 108% Analysis Date = 06/15/01 Pct Recovery = 108% Analysis Date = 06/09/01 Pct Recovery = 109% Analysis Date = 06/09/01 Pct Recovery = 109% Analysis Date = 06/04/01 Pct Recovery = 109% Analysis Date = 06/04/01 Pct Recovery = 109% Analysis Date = 05/29/01 Pct Recovery = 109% Analysis Date = 05/29/01 Pct Recovery = 109% Analysis Date = 05/23/01 Pct Recovery = 110% Analysis Date = 05/23/01 Pct Recovery = 110% Analysis Date = 05/17/01 Pct Recovery = 110% Analysis Date = 05/17/01 Pct Recovery = 110% Analysis Date = 05/12/01 Pct Recovery = 110% Analysis Date = 05/12/01 Pct Recovery = 110% Analysis Date = 05/06/01 Pct Recovery = 111% Analysis Date = 05/06/01 Pct Recovery = 111% Analysis Date = 04/30/01 Pct Recovery = 111% Analysis Date = 04/30/01 Pct Recovery = 111% Analysis Date = 04/24/01 Pct Recovery = 111% Analysis Date = 04/24/01 Pct Recovery = 111% Analysis Date = 04/19/01 Pct Recovery = 112% Analysis Date = 04/19/01 Pct Recovery = 112% Analysis Date = 04/13/01 Pct Recovery = 112% Analysis Date = 04/13/01 Pct Recovery = 112% Analysis Date = 04/07/01 Pct Recovery = 112% Analysis Date = 04/07/01 Pct Recovery = 112% Analysis Date = 04/02/01 Pct Recovery = 112% Analysis Date = 04/02/01 Pct Recovery = 112% Analysis Date = 03/27/01 Pct Recovery = 112% Analysis Date = 03/27/01 Pct Recovery = 112% Analysis Date = 03/21/01 Pct Recovery = 112% Analysis Date = 03/21/01 Pct Recovery = 112% Analysis Date = 03/15/01 Pct Recovery = 112% Analysis Date = 03/15/01 Pct Recovery = 112% Analysis Date = 03/10/01 Pct Recovery = 112% Analysis Date = 03/10/01 Pct Recovery = 112% Analysis Date = 03/04/01 Pct Recovery = 112% Analysis Date = 03/04/01 Pct Recovery = 112% Analysis Date = 02/26/01 Pct Recovery = 112% Analysis Date = 02/26/01 Pct Recovery = 112% Analysis Date = 02/21/01 Pct Recovery = 112% Analysis Date = 02/21/01 Pct Recovery = 112% Analysis Date = 02/15/01 Pct Recovery = 111% Analysis Date = 02/15/01 Pct Recovery = 111% Analysis Date = 02/09/01 Pct Recovery = 111% Analysis Date = 02/09/01 Pct Recovery = 111% Analysis Date = 02/03/01 Pct Recovery = 110% Analysis Date = 02/03/01 Pct Recovery = 110% Analysis Date = 01/29/01 Pct Recovery = 110% Analysis Date = 01/29/01 Pct Recovery = 110% Analysis Date = 01/23/01 Pct Recovery = 109% Analysis Date = 01/23/01 Pct Recovery = 109% Analysis Date = 01/17/01 Pct Recovery = 108% Analysis Date = 01/17/01 Pct Recovery = 108% Analysis Date = 01/12/01 Pct Recovery = 108% Analysis Date = 01/12/01 Pct Recovery = 108% Analysis Date = 01/06/01 Pct Recovery = 107% Analysis Date = 01/06/01 Pct Recovery = 107% Analysis Date = 12/31/00 Pct Recovery = 107% Analysis Date = 12/31/00 Pct Recovery = 107% Analysis Date = 12/25/00 Pct Recovery = 106% Analysis Date = 12/25/00 Pct Recovery = 106% Analysis Date = 12/20/00 Pct Recovery = 105% Analysis Date = 12/20/00 Pct Recovery = 105% Analysis Date = 12/14/00 Pct Recovery = 105% Analysis Date = 12/14/00 Pct Recovery = 105% Analysis Date = 12/08/00 Pct Recovery = 104% Analysis Date = 12/08/00 Pct Recovery = 104% Analysis Date = 12/03/00 Pct Recovery = 104% Analysis Date = 12/03/00 Pct Recovery = 104% Analysis Date = 11/27/00 Pct Recovery = 103% Analysis Date = 11/27/00 Pct Recovery = 103% Analysis Date = 11/21/00 Pct Recovery = 102% Analysis Date = 11/21/00 Pct Recovery = 102% Analysis Date = 11/15/00 Pct Recovery = 102% Analysis Date = 11/15/00 Pct Recovery = 102% Analysis Date = 11/10/00 Pct Recovery = 101% Analysis Date = 11/10/00 Pct Recovery = 101% Analysis Date = 11/04/00 Pct Recovery = 101% Analysis Date = 11/04/00 Pct Recovery = 101% Analysis Date = 10/29/00 Pct Recovery = 100% Analysis Date = 10/29/00 Pct Recovery = 100% Analysis Date = 10/24/00 Pct Recovery = 100% Analysis Date = 10/24/00 Pct Recovery = 100% Analysis Date = 10/18/00 Pct Recovery = 99% Analysis Date = 10/18/00 Pct Recovery = 99% Analysis Date = 10/12/00 Pct Recovery = 98% Analysis Date = 10/12/00 Pct Recovery = 98% Analysis Date = 10/06/00 Pct Recovery = 98% Analysis Date = 10/06/00 Pct Recovery = 98% Analysis Date = 10/01/00 Pct Recovery = 97% Analysis Date = 10/01/00 Pct Recovery = 97% Analysis Date = 09/25/00 Pct Recovery = 97% Analysis Date = 09/25/00 Pct Recovery = 97% Analysis Date = 09/19/00 Pct Recovery = 96% Analysis Date = 09/19/00 Pct Recovery = 96% Analysis Date = 09/13/00 Pct Recovery = 96% Analysis Date = 09/13/00 Pct Recovery = 96% Analysis Date = 09/08/00 Pct Recovery = 95% Analysis Date = 09/08/00 Pct Recovery = 95% Analysis Date = 09/02/00 Pct Recovery = 95% Analysis Date = 09/02/00 Pct Recovery = 95% Analysis Date = 08/27/00 Pct Recovery = 94% Analysis Date = 08/27/00 Pct Recovery = 94% Analysis Date = 08/22/00 Pct Recovery = 93% Analysis Date = 08/22/00 Pct Recovery = 93% Analysis Date = 08/16/00 Pct Recovery = 93% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
METHYL ACRYLONITRILE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 8 105% 10% 103% 6%
Total 8 105% 10% 103% 6%

Sample Statistics
METHYL ACRYLONITRILE

Characteristic N % % Basis
Plotted 8 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 8 .  
False Negatives 0 0% 0 out of 8
Not Spiked 28 .  
False Positives 0 0% 0 out of 28

BQS OBSP Determination:
METHYL IODIDE
METHOD: 4054 , TESTIDCODE: 77424GCM66
Open Data Set

Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 74% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 89% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 103% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 125% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 108% Analysis Date = 07/31/01 Pct Recovery = 74% Analysis Date = 07/29/01 Pct Recovery = 74% Analysis Date = 07/29/01 Pct Recovery = 74% Analysis Date = 07/27/01 Pct Recovery = 75% Analysis Date = 07/27/01 Pct Recovery = 75% Analysis Date = 07/25/01 Pct Recovery = 75% Analysis Date = 07/25/01 Pct Recovery = 75% Analysis Date = 07/24/01 Pct Recovery = 75% Analysis Date = 07/24/01 Pct Recovery = 75% Analysis Date = 07/22/01 Pct Recovery = 75% Analysis Date = 07/22/01 Pct Recovery = 75% Analysis Date = 07/20/01 Pct Recovery = 76% Analysis Date = 07/20/01 Pct Recovery = 76% Analysis Date = 07/18/01 Pct Recovery = 76% Analysis Date = 07/18/01 Pct Recovery = 76% Analysis Date = 07/17/01 Pct Recovery = 76% Analysis Date = 07/17/01 Pct Recovery = 76% Analysis Date = 07/15/01 Pct Recovery = 76% Analysis Date = 07/15/01 Pct Recovery = 76% Analysis Date = 07/13/01 Pct Recovery = 77% Analysis Date = 07/13/01 Pct Recovery = 77% Analysis Date = 07/11/01 Pct Recovery = 77% Analysis Date = 07/11/01 Pct Recovery = 77% Analysis Date = 07/10/01 Pct Recovery = 77% Analysis Date = 07/10/01 Pct Recovery = 77% Analysis Date = 07/08/01 Pct Recovery = 77% Analysis Date = 07/08/01 Pct Recovery = 77% Analysis Date = 07/06/01 Pct Recovery = 77% Analysis Date = 07/06/01 Pct Recovery = 77% Analysis Date = 07/04/01 Pct Recovery = 78% Analysis Date = 07/04/01 Pct Recovery = 78% Analysis Date = 07/03/01 Pct Recovery = 78% Analysis Date = 07/03/01 Pct Recovery = 78% Analysis Date = 07/01/01 Pct Recovery = 78% Analysis Date = 07/01/01 Pct Recovery = 78% Analysis Date = 06/29/01 Pct Recovery = 78% Analysis Date = 06/29/01 Pct Recovery = 78% Analysis Date = 06/27/01 Pct Recovery = 79% Analysis Date = 06/27/01 Pct Recovery = 79% Analysis Date = 06/26/01 Pct Recovery = 79% Analysis Date = 06/26/01 Pct Recovery = 79% Analysis Date = 06/24/01 Pct Recovery = 79% Analysis Date = 06/24/01 Pct Recovery = 79% Analysis Date = 06/22/01 Pct Recovery = 79% Analysis Date = 06/22/01 Pct Recovery = 79% Analysis Date = 06/20/01 Pct Recovery = 80% Analysis Date = 06/20/01 Pct Recovery = 80% Analysis Date = 06/19/01 Pct Recovery = 80% Analysis Date = 06/19/01 Pct Recovery = 80% Analysis Date = 06/17/01 Pct Recovery = 80% Analysis Date = 06/17/01 Pct Recovery = 80% Analysis Date = 06/15/01 Pct Recovery = 80% Analysis Date = 06/15/01 Pct Recovery = 80% Analysis Date = 06/13/01 Pct Recovery = 81% Analysis Date = 06/13/01 Pct Recovery = 81% Analysis Date = 06/12/01 Pct Recovery = 81% Analysis Date = 06/12/01 Pct Recovery = 81% Analysis Date = 06/10/01 Pct Recovery = 81% Analysis Date = 06/10/01 Pct Recovery = 81% Analysis Date = 06/08/01 Pct Recovery = 81% Analysis Date = 06/08/01 Pct Recovery = 81% Analysis Date = 06/06/01 Pct Recovery = 81% Analysis Date = 06/06/01 Pct Recovery = 81% Analysis Date = 06/05/01 Pct Recovery = 82% Analysis Date = 06/05/01 Pct Recovery = 82% Analysis Date = 06/03/01 Pct Recovery = 82% Analysis Date = 06/03/01 Pct Recovery = 82% Analysis Date = 06/01/01 Pct Recovery = 82% Analysis Date = 06/01/01 Pct Recovery = 82% Analysis Date = 05/30/01 Pct Recovery = 82% Analysis Date = 05/30/01 Pct Recovery = 82% Analysis Date = 05/29/01 Pct Recovery = 83% Analysis Date = 05/29/01 Pct Recovery = 83% Analysis Date = 05/27/01 Pct Recovery = 83% Analysis Date = 05/27/01 Pct Recovery = 83% Analysis Date = 05/25/01 Pct Recovery = 83% Analysis Date = 05/25/01 Pct Recovery = 83% Analysis Date = 05/24/01 Pct Recovery = 83% Analysis Date = 05/24/01 Pct Recovery = 83% Analysis Date = 05/22/01 Pct Recovery = 84% Analysis Date = 05/22/01 Pct Recovery = 84% Analysis Date = 05/20/01 Pct Recovery = 84% Analysis Date = 05/20/01 Pct Recovery = 84% Analysis Date = 05/18/01 Pct Recovery = 84% Analysis Date = 05/18/01 Pct Recovery = 84% Analysis Date = 05/17/01 Pct Recovery = 84% Analysis Date = 05/17/01 Pct Recovery = 84% Analysis Date = 05/15/01 Pct Recovery = 85% Analysis Date = 05/15/01 Pct Recovery = 85% Analysis Date = 05/13/01 Pct Recovery = 85% Analysis Date = 05/13/01 Pct Recovery = 85% Analysis Date = 05/11/01 Pct Recovery = 85% Analysis Date = 05/11/01 Pct Recovery = 85% Analysis Date = 05/10/01 Pct Recovery = 85% Analysis Date = 05/10/01 Pct Recovery = 85% Analysis Date = 05/08/01 Pct Recovery = 85% Analysis Date = 05/08/01 Pct Recovery = 85% Analysis Date = 05/06/01 Pct Recovery = 86% Analysis Date = 05/06/01 Pct Recovery = 86% Analysis Date = 05/04/01 Pct Recovery = 86% Analysis Date = 05/04/01 Pct Recovery = 86% Analysis Date = 05/03/01 Pct Recovery = 86% Analysis Date = 05/03/01 Pct Recovery = 86% Analysis Date = 05/01/01 Pct Recovery = 86% Analysis Date = 05/01/01 Pct Recovery = 86% Analysis Date = 04/29/01 Pct Recovery = 87% Analysis Date = 04/29/01 Pct Recovery = 87% Analysis Date = 04/27/01 Pct Recovery = 87% Analysis Date = 04/27/01 Pct Recovery = 87% Analysis Date = 04/26/01 Pct Recovery = 87% Analysis Date = 04/26/01 Pct Recovery = 87% Analysis Date = 04/24/01 Pct Recovery = 87% Analysis Date = 04/24/01 Pct Recovery = 87% Analysis Date = 04/22/01 Pct Recovery = 88% Analysis Date = 04/22/01 Pct Recovery = 88% Analysis Date = 04/20/01 Pct Recovery = 88% Analysis Date = 04/20/01 Pct Recovery = 88% Analysis Date = 04/19/01 Pct Recovery = 88% Analysis Date = 04/19/01 Pct Recovery = 88% Analysis Date = 04/17/01 Pct Recovery = 88% Analysis Date = 04/17/01 Pct Recovery = 88% Analysis Date = 04/15/01 Pct Recovery = 89% Analysis Date = 04/15/01 Pct Recovery = 89% Analysis Date = 04/13/01 Pct Recovery = 89% Analysis Date = 04/13/01 Pct Recovery = 89% Analysis Date = 04/12/01 Pct Recovery = 89% Analysis Date = 04/12/01 Pct Recovery = 89% Analysis Date = 04/10/01 Pct Recovery = 89% Analysis Date = 04/10/01 Pct Recovery = 89% Analysis Date = 04/08/01 Pct Recovery = 90% Analysis Date = 04/08/01 Pct Recovery = 90% Analysis Date = 04/06/01 Pct Recovery = 90% Analysis Date = 04/06/01 Pct Recovery = 90% Analysis Date = 04/05/01 Pct Recovery = 91% Analysis Date = 04/05/01 Pct Recovery = 91% Analysis Date = 04/03/01 Pct Recovery = 91% Analysis Date = 04/03/01 Pct Recovery = 91% Analysis Date = 04/01/01 Pct Recovery = 92% Analysis Date = 04/01/01 Pct Recovery = 92% Analysis Date = 03/30/01 Pct Recovery = 92% Analysis Date = 03/30/01 Pct Recovery = 92% Analysis Date = 03/29/01 Pct Recovery = 93% Analysis Date = 03/29/01 Pct Recovery = 93% Analysis Date = 03/27/01 Pct Recovery = 93% Analysis Date = 03/27/01 Pct Recovery = 93% Analysis Date = 03/25/01 Pct Recovery = 94% Analysis Date = 03/25/01 Pct Recovery = 94% Analysis Date = 03/24/01 Pct Recovery = 94% Analysis Date = 03/24/01 Pct Recovery = 94% Analysis Date = 03/22/01 Pct Recovery = 95% Analysis Date = 03/22/01 Pct Recovery = 95% Analysis Date = 03/20/01 Pct Recovery = 95% Analysis Date = 03/20/01 Pct Recovery = 95% Analysis Date = 03/18/01 Pct Recovery = 96% Analysis Date = 03/18/01 Pct Recovery = 96% Analysis Date = 03/17/01 Pct Recovery = 96% Analysis Date = 03/17/01 Pct Recovery = 96% Analysis Date = 03/15/01 Pct Recovery = 97% Analysis Date = 03/15/01 Pct Recovery = 97% Analysis Date = 03/13/01 Pct Recovery = 97% Analysis Date = 03/13/01 Pct Recovery = 97% Analysis Date = 03/11/01 Pct Recovery = 98% Analysis Date = 03/11/01 Pct Recovery = 98% Analysis Date = 03/10/01 Pct Recovery = 98% Analysis Date = 03/10/01 Pct Recovery = 98% Analysis Date = 03/08/01 Pct Recovery = 99% Analysis Date = 03/08/01 Pct Recovery = 99% Analysis Date = 03/06/01 Pct Recovery = 100% Analysis Date = 03/06/01 Pct Recovery = 100% Analysis Date = 03/04/01 Pct Recovery = 100% Analysis Date = 03/04/01 Pct Recovery = 100% Analysis Date = 03/03/01 Pct Recovery = 101% Analysis Date = 03/03/01 Pct Recovery = 101% Analysis Date = 03/01/01 Pct Recovery = 101% Analysis Date = 03/01/01 Pct Recovery = 101% Analysis Date = 02/27/01 Pct Recovery = 102% Analysis Date = 02/27/01 Pct Recovery = 102% Analysis Date = 02/25/01 Pct Recovery = 102% Analysis Date = 02/25/01 Pct Recovery = 102% Analysis Date = 02/24/01 Pct Recovery = 103% Analysis Date = 02/24/01 Pct Recovery = 103% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/20/01 Pct Recovery = 103% Analysis Date = 02/20/01 Pct Recovery = 103% Analysis Date = 02/18/01 Pct Recovery = 104% Analysis Date = 02/18/01 Pct Recovery = 104% Analysis Date = 02/17/01 Pct Recovery = 104% Analysis Date = 02/17/01 Pct Recovery = 104% Analysis Date = 02/15/01 Pct Recovery = 105% Analysis Date = 02/15/01 Pct Recovery = 105% Analysis Date = 02/13/01 Pct Recovery = 105% Analysis Date = 02/13/01 Pct Recovery = 105% Analysis Date = 02/11/01 Pct Recovery = 105% Analysis Date = 02/11/01 Pct Recovery = 105% Analysis Date = 02/10/01 Pct Recovery = 106% Analysis Date = 02/10/01 Pct Recovery = 106% Analysis Date = 02/08/01 Pct Recovery = 106% Analysis Date = 02/08/01 Pct Recovery = 106% Analysis Date = 02/06/01 Pct Recovery = 106% Analysis Date = 02/06/01 Pct Recovery = 106% Analysis Date = 02/04/01 Pct Recovery = 107% Analysis Date = 02/04/01 Pct Recovery = 107% Analysis Date = 02/03/01 Pct Recovery = 107% Analysis Date = 02/03/01 Pct Recovery = 107% Analysis Date = 02/01/01 Pct Recovery = 108% Analysis Date = 02/01/01 Pct Recovery = 108% Analysis Date = 01/30/01 Pct Recovery = 108% Analysis Date = 01/30/01 Pct Recovery = 108% Analysis Date = 01/28/01 Pct Recovery = 108% Analysis Date = 01/28/01 Pct Recovery = 108% Analysis Date = 01/27/01 Pct Recovery = 109% Analysis Date = 01/27/01 Pct Recovery = 109% Analysis Date = 01/25/01 Pct Recovery = 109% Analysis Date = 01/25/01 Pct Recovery = 109% Analysis Date = 01/23/01 Pct Recovery = 109% Analysis Date = 01/23/01 Pct Recovery = 109% Analysis Date = 01/22/01 Pct Recovery = 110% Analysis Date = 01/22/01 Pct Recovery = 110% Analysis Date = 01/20/01 Pct Recovery = 110% Analysis Date = 01/20/01 Pct Recovery = 110% Analysis Date = 01/18/01 Pct Recovery = 111% Analysis Date = 01/18/01 Pct Recovery = 111% Analysis Date = 01/16/01 Pct Recovery = 111% Analysis Date = 01/16/01 Pct Recovery = 111% Analysis Date = 01/15/01 Pct Recovery = 111% Analysis Date = 01/15/01 Pct Recovery = 111% Analysis Date = 01/13/01 Pct Recovery = 112% Analysis Date = 01/13/01 Pct Recovery = 112% Analysis Date = 01/11/01 Pct Recovery = 112% Analysis Date = 01/11/01 Pct Recovery = 112% Analysis Date = 01/09/01 Pct Recovery = 112% Analysis Date = 01/09/01 Pct Recovery = 112% Analysis Date = 01/08/01 Pct Recovery = 113% Analysis Date = 01/08/01 Pct Recovery = 113% Analysis Date = 01/06/01 Pct Recovery = 113% Analysis Date = 01/06/01 Pct Recovery = 113% Analysis Date = 01/04/01 Pct Recovery = 114% Analysis Date = 01/04/01 Pct Recovery = 114% Analysis Date = 01/02/01 Pct Recovery = 114% Analysis Date = 01/02/01 Pct Recovery = 114% Analysis Date = 01/01/01 Pct Recovery = 114% Analysis Date = 01/01/01 Pct Recovery = 114% Analysis Date = 12/30/00 Pct Recovery = 115% Analysis Date = 12/30/00 Pct Recovery = 115% Analysis Date = 12/28/00 Pct Recovery = 115% Analysis Date = 12/28/00 Pct Recovery = 115% Analysis Date = 12/26/00 Pct Recovery = 116% Analysis Date = 12/26/00 Pct Recovery = 116% Analysis Date = 12/25/00 Pct Recovery = 116% Analysis Date = 12/25/00 Pct Recovery = 116% Analysis Date = 12/23/00 Pct Recovery = 116% Analysis Date = 12/23/00 Pct Recovery = 116% Analysis Date = 12/21/00 Pct Recovery = 117% Analysis Date = 12/21/00 Pct Recovery = 117% Analysis Date = 12/19/00 Pct Recovery = 117% Analysis Date = 12/19/00 Pct Recovery = 117% Analysis Date = 12/18/00 Pct Recovery = 117% Analysis Date = 12/18/00 Pct Recovery = 117% Analysis Date = 12/16/00 Pct Recovery = 118% Analysis Date = 12/16/00 Pct Recovery = 118% Analysis Date = 12/14/00 Pct Recovery = 118% Analysis Date = 12/14/00 Pct Recovery = 118% Analysis Date = 12/12/00 Pct Recovery = 119% Analysis Date = 12/12/00 Pct Recovery = 119% Analysis Date = 12/11/00 Pct Recovery = 119% Analysis Date = 12/11/00 Pct Recovery = 119% Analysis Date = 12/09/00 Pct Recovery = 119% Analysis Date = 12/09/00 Pct Recovery = 119% Analysis Date = 12/07/00 Pct Recovery = 120% Analysis Date = 12/07/00 Pct Recovery = 120% Analysis Date = 12/05/00 Pct Recovery = 120% Analysis Date = 12/05/00 Pct Recovery = 120% Analysis Date = 12/04/00 Pct Recovery = 120% Analysis Date = 12/04/00 Pct Recovery = 120% Analysis Date = 12/02/00 Pct Recovery = 121% Analysis Date = 12/02/00 Pct Recovery = 121% Analysis Date = 11/30/00 Pct Recovery = 121% Analysis Date = 11/30/00 Pct Recovery = 121% Analysis Date = 11/28/00 Pct Recovery = 122% Analysis Date = 11/28/00 Pct Recovery = 122% Analysis Date = 11/27/00 Pct Recovery = 122% Analysis Date = 11/27/00 Pct Recovery = 122% Analysis Date = 11/25/00 Pct Recovery = 122% Analysis Date = 11/25/00 Pct Recovery = 122% Analysis Date = 11/23/00 Pct Recovery = 123% Analysis Date = 11/23/00 Pct Recovery = 123% Analysis Date = 11/22/00 Pct Recovery = 123% Analysis Date = 11/22/00 Pct Recovery = 123% Analysis Date = 11/20/00 Pct Recovery = 123% Analysis Date = 11/20/00 Pct Recovery = 123% Analysis Date = 11/18/00 Pct Recovery = 124% Analysis Date = 11/18/00 Pct Recovery = 124% Analysis Date = 11/16/00 Pct Recovery = 124% Analysis Date = 11/16/00 Pct Recovery = 124% Analysis Date = 11/15/00 Pct Recovery = 124% Analysis Date = 11/15/00 Pct Recovery = 124% Analysis Date = 11/13/00 Pct Recovery = 124% Analysis Date = 11/13/00 Pct Recovery = 124% Analysis Date = 11/11/00 Pct Recovery = 124% Analysis Date = 11/11/00 Pct Recovery = 124% Analysis Date = 11/09/00 Pct Recovery = 123% Analysis Date = 11/09/00 Pct Recovery = 123% Analysis Date = 11/08/00 Pct Recovery = 123% Analysis Date = 11/08/00 Pct Recovery = 123% Analysis Date = 11/06/00 Pct Recovery = 123% Analysis Date = 11/06/00 Pct Recovery = 123% Analysis Date = 11/04/00 Pct Recovery = 122% Analysis Date = 11/04/00 Pct Recovery = 122% Analysis Date = 11/02/00 Pct Recovery = 122% Analysis Date = 11/02/00 Pct Recovery = 122% Analysis Date = 11/01/00 Pct Recovery = 122% Analysis Date = 11/01/00 Pct Recovery = 122% Analysis Date = 10/30/00 Pct Recovery = 122% Analysis Date = 10/30/00 Pct Recovery = 122% Analysis Date = 10/28/00 Pct Recovery = 121% Analysis Date = 10/28/00 Pct Recovery = 121% Analysis Date = 10/26/00 Pct Recovery = 121% Analysis Date = 10/26/00 Pct Recovery = 121% Analysis Date = 10/25/00 Pct Recovery = 121% Analysis Date = 10/25/00 Pct Recovery = 121% Analysis Date = 10/23/00 Pct Recovery = 120% Analysis Date = 10/23/00 Pct Recovery = 120% Analysis Date = 10/21/00 Pct Recovery = 120% Analysis Date = 10/21/00 Pct Recovery = 120% Analysis Date = 10/19/00 Pct Recovery = 120% Analysis Date = 10/19/00 Pct Recovery = 120% Analysis Date = 10/18/00 Pct Recovery = 119% Analysis Date = 10/18/00 Pct Recovery = 119% Analysis Date = 10/16/00 Pct Recovery = 119% Analysis Date = 10/16/00 Pct Recovery = 119% Analysis Date = 10/14/00 Pct Recovery = 119% Analysis Date = 10/14/00 Pct Recovery = 119% Analysis Date = 10/12/00 Pct Recovery = 118% Analysis Date = 10/12/00 Pct Recovery = 118% Analysis Date = 10/11/00 Pct Recovery = 118% Analysis Date = 10/11/00 Pct Recovery = 118% Analysis Date = 10/09/00 Pct Recovery = 118% Analysis Date = 10/09/00 Pct Recovery = 118% Analysis Date = 10/07/00 Pct Recovery = 117% Analysis Date = 10/07/00 Pct Recovery = 117% Analysis Date = 10/05/00 Pct Recovery = 117% Analysis Date = 10/05/00 Pct Recovery = 117% Analysis Date = 10/04/00 Pct Recovery = 117% Analysis Date = 10/04/00 Pct Recovery = 117% Analysis Date = 10/02/00 Pct Recovery = 116% Analysis Date = 10/02/00 Pct Recovery = 116% Analysis Date = 09/30/00 Pct Recovery = 116% Analysis Date = 09/30/00 Pct Recovery = 116% Analysis Date = 09/28/00 Pct Recovery = 116% Analysis Date = 09/28/00 Pct Recovery = 116% Analysis Date = 09/27/00 Pct Recovery = 115% Analysis Date = 09/27/00 Pct Recovery = 115% Analysis Date = 09/25/00 Pct Recovery = 115% Analysis Date = 09/25/00 Pct Recovery = 115% Analysis Date = 09/23/00 Pct Recovery = 115% Analysis Date = 09/23/00 Pct Recovery = 115% Analysis Date = 09/22/00 Pct Recovery = 114% Analysis Date = 09/22/00 Pct Recovery = 114% Analysis Date = 09/20/00 Pct Recovery = 114% Analysis Date = 09/20/00 Pct Recovery = 114% Analysis Date = 09/18/00 Pct Recovery = 114% Analysis Date = 09/18/00 Pct Recovery = 114% Analysis Date = 09/16/00 Pct Recovery = 113% Analysis Date = 09/16/00 Pct Recovery = 113% Analysis Date = 09/15/00 Pct Recovery = 113% Analysis Date = 09/15/00 Pct Recovery = 113% Analysis Date = 09/13/00 Pct Recovery = 113% Analysis Date = 09/13/00 Pct Recovery = 113% Analysis Date = 09/11/00 Pct Recovery = 112% Analysis Date = 09/11/00 Pct Recovery = 112% Analysis Date = 09/09/00 Pct Recovery = 112% Analysis Date = 09/09/00 Pct Recovery = 112% Analysis Date = 09/08/00 Pct Recovery = 112% Analysis Date = 09/08/00 Pct Recovery = 112% Analysis Date = 09/06/00 Pct Recovery = 111% Analysis Date = 09/06/00 Pct Recovery = 111% Analysis Date = 09/04/00 Pct Recovery = 111% Analysis Date = 09/04/00 Pct Recovery = 111% Analysis Date = 09/02/00 Pct Recovery = 111% Analysis Date = 09/02/00 Pct Recovery = 111% Analysis Date = 09/01/00 Pct Recovery = 110% Analysis Date = 09/01/00 Pct Recovery = 110% Analysis Date = 08/30/00 Pct Recovery = 110% Analysis Date = 08/30/00 Pct Recovery = 110% Analysis Date = 08/28/00 Pct Recovery = 110% Analysis Date = 08/28/00 Pct Recovery = 110% Analysis Date = 08/26/00 Pct Recovery = 109% Analysis Date = 08/26/00 Pct Recovery = 109% Analysis Date = 08/25/00 Pct Recovery = 109% Analysis Date = 08/25/00 Pct Recovery = 109% Analysis Date = 08/23/00 Pct Recovery = 109% Analysis Date = 08/23/00 Pct Recovery = 109% Analysis Date = 08/21/00 Pct Recovery = 108% Analysis Date = 08/21/00 Pct Recovery = 108% Analysis Date = 08/19/00 Pct Recovery = 108% Analysis Date = 08/19/00 Pct Recovery = 108% Analysis Date = 08/18/00 Pct Recovery = 108% Analysis Date = 08/18/00 Pct Recovery = 108% Analysis Date = 08/16/00 Pct Recovery = 107% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
METHYL IODIDE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 100% 19% 103% 14%
Total 5 100% 19% 103% 14%

Sample Statistics
METHYL IODIDE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 5 100% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 8 26% 8 out of 31

BQS OBSP Determination:
METHYL METHACRYLATE
METHOD: 4054 , TESTIDCODE: 81597GCM66
Open Data Set

Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 99% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 98% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 117% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 97% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 102% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 108% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 111% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 101% Analysis Date = 10/03/03 Pct Recovery = 97% Analysis Date = 09/28/03 Pct Recovery = 98% Analysis Date = 09/28/03 Pct Recovery = 98% Analysis Date = 09/22/03 Pct Recovery = 99% Analysis Date = 09/22/03 Pct Recovery = 99% Analysis Date = 09/16/03 Pct Recovery = 100% Analysis Date = 09/16/03 Pct Recovery = 100% Analysis Date = 09/11/03 Pct Recovery = 101% Analysis Date = 09/11/03 Pct Recovery = 101% Analysis Date = 09/05/03 Pct Recovery = 102% Analysis Date = 09/05/03 Pct Recovery = 102% Analysis Date = 08/30/03 Pct Recovery = 103% Analysis Date = 08/30/03 Pct Recovery = 103% Analysis Date = 08/24/03 Pct Recovery = 104% Analysis Date = 08/24/03 Pct Recovery = 104% Analysis Date = 08/19/03 Pct Recovery = 105% Analysis Date = 08/19/03 Pct Recovery = 105% Analysis Date = 08/13/03 Pct Recovery = 106% Analysis Date = 08/13/03 Pct Recovery = 106% Analysis Date = 08/07/03 Pct Recovery = 107% Analysis Date = 08/07/03 Pct Recovery = 107% Analysis Date = 08/02/03 Pct Recovery = 108% Analysis Date = 08/02/03 Pct Recovery = 108% Analysis Date = 07/27/03 Pct Recovery = 108% Analysis Date = 07/27/03 Pct Recovery = 108% Analysis Date = 07/21/03 Pct Recovery = 108% Analysis Date = 07/21/03 Pct Recovery = 108% Analysis Date = 07/15/03 Pct Recovery = 108% Analysis Date = 07/15/03 Pct Recovery = 108% Analysis Date = 07/10/03 Pct Recovery = 108% Analysis Date = 07/10/03 Pct Recovery = 108% Analysis Date = 07/04/03 Pct Recovery = 108% Analysis Date = 07/04/03 Pct Recovery = 108% Analysis Date = 06/28/03 Pct Recovery = 108% Analysis Date = 06/28/03 Pct Recovery = 108% Analysis Date = 06/23/03 Pct Recovery = 107% Analysis Date = 06/23/03 Pct Recovery = 107% Analysis Date = 06/17/03 Pct Recovery = 107% Analysis Date = 06/17/03 Pct Recovery = 107% Analysis Date = 06/11/03 Pct Recovery = 107% Analysis Date = 06/11/03 Pct Recovery = 107% Analysis Date = 06/05/03 Pct Recovery = 107% Analysis Date = 06/05/03 Pct Recovery = 107% Analysis Date = 05/31/03 Pct Recovery = 107% Analysis Date = 05/31/03 Pct Recovery = 107% Analysis Date = 05/25/03 Pct Recovery = 107% Analysis Date = 05/25/03 Pct Recovery = 107% Analysis Date = 05/19/03 Pct Recovery = 107% Analysis Date = 05/19/03 Pct Recovery = 107% Analysis Date = 05/14/03 Pct Recovery = 107% Analysis Date = 05/14/03 Pct Recovery = 107% Analysis Date = 05/08/03 Pct Recovery = 107% Analysis Date = 05/08/03 Pct Recovery = 107% Analysis Date = 05/02/03 Pct Recovery = 107% Analysis Date = 05/02/03 Pct Recovery = 107% Analysis Date = 04/26/03 Pct Recovery = 107% Analysis Date = 04/26/03 Pct Recovery = 107% Analysis Date = 04/21/03 Pct Recovery = 107% Analysis Date = 04/21/03 Pct Recovery = 107% Analysis Date = 04/15/03 Pct Recovery = 106% Analysis Date = 04/15/03 Pct Recovery = 106% Analysis Date = 04/09/03 Pct Recovery = 106% Analysis Date = 04/09/03 Pct Recovery = 106% Analysis Date = 04/04/03 Pct Recovery = 106% Analysis Date = 04/04/03 Pct Recovery = 106% Analysis Date = 03/29/03 Pct Recovery = 106% Analysis Date = 03/29/03 Pct Recovery = 106% Analysis Date = 03/23/03 Pct Recovery = 106% Analysis Date = 03/23/03 Pct Recovery = 106% Analysis Date = 03/17/03 Pct Recovery = 106% Analysis Date = 03/17/03 Pct Recovery = 106% Analysis Date = 03/12/03 Pct Recovery = 106% Analysis Date = 03/12/03 Pct Recovery = 106% Analysis Date = 03/06/03 Pct Recovery = 106% Analysis Date = 03/06/03 Pct Recovery = 106% Analysis Date = 02/28/03 Pct Recovery = 106% Analysis Date = 02/28/03 Pct Recovery = 106% Analysis Date = 02/22/03 Pct Recovery = 106% Analysis Date = 02/22/03 Pct Recovery = 106% Analysis Date = 02/17/03 Pct Recovery = 106% Analysis Date = 02/17/03 Pct Recovery = 106% Analysis Date = 02/11/03 Pct Recovery = 106% Analysis Date = 02/11/03 Pct Recovery = 106% Analysis Date = 02/05/03 Pct Recovery = 105% Analysis Date = 02/05/03 Pct Recovery = 105% Analysis Date = 01/31/03 Pct Recovery = 105% Analysis Date = 01/31/03 Pct Recovery = 105% Analysis Date = 01/25/03 Pct Recovery = 105% Analysis Date = 01/25/03 Pct Recovery = 105% Analysis Date = 01/19/03 Pct Recovery = 105% Analysis Date = 01/19/03 Pct Recovery = 105% Analysis Date = 01/13/03 Pct Recovery = 105% Analysis Date = 01/13/03 Pct Recovery = 105% Analysis Date = 01/08/03 Pct Recovery = 105% Analysis Date = 01/08/03 Pct Recovery = 105% Analysis Date = 01/02/03 Pct Recovery = 105% Analysis Date = 01/02/03 Pct Recovery = 105% Analysis Date = 12/27/02 Pct Recovery = 105% Analysis Date = 12/27/02 Pct Recovery = 105% Analysis Date = 12/22/02 Pct Recovery = 105% Analysis Date = 12/22/02 Pct Recovery = 105% Analysis Date = 12/16/02 Pct Recovery = 105% Analysis Date = 12/16/02 Pct Recovery = 105% Analysis Date = 12/10/02 Pct Recovery = 105% Analysis Date = 12/10/02 Pct Recovery = 105% Analysis Date = 12/04/02 Pct Recovery = 105% Analysis Date = 12/04/02 Pct Recovery = 105% Analysis Date = 11/29/02 Pct Recovery = 105% Analysis Date = 11/29/02 Pct Recovery = 105% Analysis Date = 11/23/02 Pct Recovery = 104% Analysis Date = 11/23/02 Pct Recovery = 104% Analysis Date = 11/17/02 Pct Recovery = 104% Analysis Date = 11/17/02 Pct Recovery = 104% Analysis Date = 11/12/02 Pct Recovery = 104% Analysis Date = 11/12/02 Pct Recovery = 104% Analysis Date = 11/06/02 Pct Recovery = 104% Analysis Date = 11/06/02 Pct Recovery = 104% Analysis Date = 10/31/02 Pct Recovery = 104% Analysis Date = 10/31/02 Pct Recovery = 104% Analysis Date = 10/25/02 Pct Recovery = 104% Analysis Date = 10/25/02 Pct Recovery = 104% Analysis Date = 10/20/02 Pct Recovery = 104% Analysis Date = 10/20/02 Pct Recovery = 104% Analysis Date = 10/14/02 Pct Recovery = 104% Analysis Date = 10/14/02 Pct Recovery = 104% Analysis Date = 10/08/02 Pct Recovery = 104% Analysis Date = 10/08/02 Pct Recovery = 104% Analysis Date = 10/03/02 Pct Recovery = 104% Analysis Date = 10/03/02 Pct Recovery = 104% Analysis Date = 09/27/02 Pct Recovery = 104% Analysis Date = 09/27/02 Pct Recovery = 104% Analysis Date = 09/21/02 Pct Recovery = 104% Analysis Date = 09/21/02 Pct Recovery = 104% Analysis Date = 09/15/02 Pct Recovery = 103% Analysis Date = 09/15/02 Pct Recovery = 103% Analysis Date = 09/10/02 Pct Recovery = 103% Analysis Date = 09/10/02 Pct Recovery = 103% Analysis Date = 09/04/02 Pct Recovery = 103% Analysis Date = 09/04/02 Pct Recovery = 103% Analysis Date = 08/29/02 Pct Recovery = 103% Analysis Date = 08/29/02 Pct Recovery = 103% Analysis Date = 08/24/02 Pct Recovery = 103% Analysis Date = 08/24/02 Pct Recovery = 103% Analysis Date = 08/18/02 Pct Recovery = 103% Analysis Date = 08/18/02 Pct Recovery = 103% Analysis Date = 08/12/02 Pct Recovery = 103% Analysis Date = 08/12/02 Pct Recovery = 103% Analysis Date = 08/06/02 Pct Recovery = 103% Analysis Date = 08/06/02 Pct Recovery = 103% Analysis Date = 08/01/02 Pct Recovery = 103% Analysis Date = 08/01/02 Pct Recovery = 103% Analysis Date = 07/26/02 Pct Recovery = 103% Analysis Date = 07/26/02 Pct Recovery = 103% Analysis Date = 07/20/02 Pct Recovery = 103% Analysis Date = 07/20/02 Pct Recovery = 103% Analysis Date = 07/14/02 Pct Recovery = 103% Analysis Date = 07/14/02 Pct Recovery = 103% Analysis Date = 07/09/02 Pct Recovery = 102% Analysis Date = 07/09/02 Pct Recovery = 102% Analysis Date = 07/03/02 Pct Recovery = 102% Analysis Date = 07/03/02 Pct Recovery = 102% Analysis Date = 06/27/02 Pct Recovery = 102% Analysis Date = 06/27/02 Pct Recovery = 102% Analysis Date = 06/22/02 Pct Recovery = 102% Analysis Date = 06/22/02 Pct Recovery = 102% Analysis Date = 06/16/02 Pct Recovery = 102% Analysis Date = 06/16/02 Pct Recovery = 102% Analysis Date = 06/10/02 Pct Recovery = 102% Analysis Date = 06/10/02 Pct Recovery = 102% Analysis Date = 06/04/02 Pct Recovery = 102% Analysis Date = 06/04/02 Pct Recovery = 102% Analysis Date = 05/30/02 Pct Recovery = 102% Analysis Date = 05/30/02 Pct Recovery = 102% Analysis Date = 05/24/02 Pct Recovery = 102% Analysis Date = 05/24/02 Pct Recovery = 102% Analysis Date = 05/18/02 Pct Recovery = 102% Analysis Date = 05/18/02 Pct Recovery = 102% Analysis Date = 05/13/02 Pct Recovery = 102% Analysis Date = 05/13/02 Pct Recovery = 102% Analysis Date = 05/07/02 Pct Recovery = 102% Analysis Date = 05/07/02 Pct Recovery = 102% Analysis Date = 05/01/02 Pct Recovery = 101% Analysis Date = 05/01/02 Pct Recovery = 101% Analysis Date = 04/25/02 Pct Recovery = 101% Analysis Date = 04/25/02 Pct Recovery = 101% Analysis Date = 04/20/02 Pct Recovery = 101% Analysis Date = 04/20/02 Pct Recovery = 101% Analysis Date = 04/14/02 Pct Recovery = 101% Analysis Date = 04/14/02 Pct Recovery = 101% Analysis Date = 04/08/02 Pct Recovery = 101% Analysis Date = 04/08/02 Pct Recovery = 101% Analysis Date = 04/03/02 Pct Recovery = 101% Analysis Date = 04/03/02 Pct Recovery = 101% Analysis Date = 03/28/02 Pct Recovery = 101% Analysis Date = 03/28/02 Pct Recovery = 101% Analysis Date = 03/22/02 Pct Recovery = 101% Analysis Date = 03/22/02 Pct Recovery = 101% Analysis Date = 03/16/02 Pct Recovery = 101% Analysis Date = 03/16/02 Pct Recovery = 101% Analysis Date = 03/11/02 Pct Recovery = 101% Analysis Date = 03/11/02 Pct Recovery = 101% Analysis Date = 03/05/02 Pct Recovery = 101% Analysis Date = 03/05/02 Pct Recovery = 101% Analysis Date = 02/27/02 Pct Recovery = 101% Analysis Date = 02/27/02 Pct Recovery = 101% Analysis Date = 02/22/02 Pct Recovery = 100% Analysis Date = 02/22/02 Pct Recovery = 100% Analysis Date = 02/16/02 Pct Recovery = 100% Analysis Date = 02/16/02 Pct Recovery = 100% Analysis Date = 02/10/02 Pct Recovery = 100% Analysis Date = 02/10/02 Pct Recovery = 100% Analysis Date = 02/04/02 Pct Recovery = 100% Analysis Date = 02/04/02 Pct Recovery = 100% Analysis Date = 01/30/02 Pct Recovery = 100% Analysis Date = 01/30/02 Pct Recovery = 100% Analysis Date = 01/24/02 Pct Recovery = 100% Analysis Date = 01/24/02 Pct Recovery = 100% Analysis Date = 01/18/02 Pct Recovery = 100% Analysis Date = 01/18/02 Pct Recovery = 100% Analysis Date = 01/13/02 Pct Recovery = 100% Analysis Date = 01/13/02 Pct Recovery = 100% Analysis Date = 01/07/02 Pct Recovery = 100% Analysis Date = 01/07/02 Pct Recovery = 100% Analysis Date = 01/01/02 Pct Recovery = 100% Analysis Date = 01/01/02 Pct Recovery = 100% Analysis Date = 12/26/01 Pct Recovery = 100% Analysis Date = 12/26/01 Pct Recovery = 100% Analysis Date = 12/21/01 Pct Recovery = 100% Analysis Date = 12/21/01 Pct Recovery = 100% Analysis Date = 12/15/01 Pct Recovery = 99% Analysis Date = 12/15/01 Pct Recovery = 99% Analysis Date = 12/09/01 Pct Recovery = 99% Analysis Date = 12/09/01 Pct Recovery = 99% Analysis Date = 12/03/01 Pct Recovery = 99% Analysis Date = 12/03/01 Pct Recovery = 99% Analysis Date = 11/28/01 Pct Recovery = 99% Analysis Date = 11/28/01 Pct Recovery = 99% Analysis Date = 11/22/01 Pct Recovery = 99% Analysis Date = 11/22/01 Pct Recovery = 99% Analysis Date = 11/16/01 Pct Recovery = 99% Analysis Date = 11/16/01 Pct Recovery = 99% Analysis Date = 11/11/01 Pct Recovery = 99% Analysis Date = 11/11/01 Pct Recovery = 99% Analysis Date = 11/05/01 Pct Recovery = 99% Analysis Date = 11/05/01 Pct Recovery = 99% Analysis Date = 10/30/01 Pct Recovery = 99% Analysis Date = 10/30/01 Pct Recovery = 99% Analysis Date = 10/24/01 Pct Recovery = 99% Analysis Date = 10/24/01 Pct Recovery = 99% Analysis Date = 10/19/01 Pct Recovery = 99% Analysis Date = 10/19/01 Pct Recovery = 99% Analysis Date = 10/13/01 Pct Recovery = 99% Analysis Date = 10/13/01 Pct Recovery = 99% Analysis Date = 10/07/01 Pct Recovery = 99% Analysis Date = 10/07/01 Pct Recovery = 99% Analysis Date = 10/02/01 Pct Recovery = 98% Analysis Date = 10/02/01 Pct Recovery = 98% Analysis Date = 09/26/01 Pct Recovery = 98% Analysis Date = 09/26/01 Pct Recovery = 98% Analysis Date = 09/20/01 Pct Recovery = 98% Analysis Date = 09/20/01 Pct Recovery = 98% Analysis Date = 09/14/01 Pct Recovery = 98% Analysis Date = 09/14/01 Pct Recovery = 98% Analysis Date = 09/09/01 Pct Recovery = 98% Analysis Date = 09/09/01 Pct Recovery = 98% Analysis Date = 09/03/01 Pct Recovery = 98% Analysis Date = 09/03/01 Pct Recovery = 98% Analysis Date = 08/28/01 Pct Recovery = 98% Analysis Date = 08/28/01 Pct Recovery = 98% Analysis Date = 08/23/01 Pct Recovery = 98% Analysis Date = 08/23/01 Pct Recovery = 98% Analysis Date = 08/17/01 Pct Recovery = 98% Analysis Date = 08/17/01 Pct Recovery = 98% Analysis Date = 08/11/01 Pct Recovery = 98% Analysis Date = 08/11/01 Pct Recovery = 98% Analysis Date = 08/05/01 Pct Recovery = 98% Analysis Date = 08/05/01 Pct Recovery = 98% Analysis Date = 07/31/01 Pct Recovery = 98% Analysis Date = 07/31/01 Pct Recovery = 98% Analysis Date = 07/25/01 Pct Recovery = 98% Analysis Date = 07/25/01 Pct Recovery = 98% Analysis Date = 07/19/01 Pct Recovery = 98% Analysis Date = 07/19/01 Pct Recovery = 98% Analysis Date = 07/14/01 Pct Recovery = 99% Analysis Date = 07/14/01 Pct Recovery = 99% Analysis Date = 07/08/01 Pct Recovery = 99% Analysis Date = 07/08/01 Pct Recovery = 99% Analysis Date = 07/02/01 Pct Recovery = 99% Analysis Date = 07/02/01 Pct Recovery = 99% Analysis Date = 06/26/01 Pct Recovery = 100% Analysis Date = 06/26/01 Pct Recovery = 100% Analysis Date = 06/21/01 Pct Recovery = 100% Analysis Date = 06/21/01 Pct Recovery = 100% Analysis Date = 06/15/01 Pct Recovery = 101% Analysis Date = 06/15/01 Pct Recovery = 101% Analysis Date = 06/09/01 Pct Recovery = 101% Analysis Date = 06/09/01 Pct Recovery = 101% Analysis Date = 06/04/01 Pct Recovery = 101% Analysis Date = 06/04/01 Pct Recovery = 101% Analysis Date = 05/29/01 Pct Recovery = 102% Analysis Date = 05/29/01 Pct Recovery = 102% Analysis Date = 05/23/01 Pct Recovery = 102% Analysis Date = 05/23/01 Pct Recovery = 102% Analysis Date = 05/17/01 Pct Recovery = 102% Analysis Date = 05/17/01 Pct Recovery = 102% Analysis Date = 05/12/01 Pct Recovery = 103% Analysis Date = 05/12/01 Pct Recovery = 103% Analysis Date = 05/06/01 Pct Recovery = 103% Analysis Date = 05/06/01 Pct Recovery = 103% Analysis Date = 04/30/01 Pct Recovery = 104% Analysis Date = 04/30/01 Pct Recovery = 104% Analysis Date = 04/24/01 Pct Recovery = 104% Analysis Date = 04/24/01 Pct Recovery = 104% Analysis Date = 04/19/01 Pct Recovery = 104% Analysis Date = 04/19/01 Pct Recovery = 104% Analysis Date = 04/13/01 Pct Recovery = 105% Analysis Date = 04/13/01 Pct Recovery = 105% Analysis Date = 04/07/01 Pct Recovery = 105% Analysis Date = 04/07/01 Pct Recovery = 105% Analysis Date = 04/02/01 Pct Recovery = 106% Analysis Date = 04/02/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/21/01 Pct Recovery = 106% Analysis Date = 03/21/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 107% Analysis Date = 03/15/01 Pct Recovery = 107% Analysis Date = 03/10/01 Pct Recovery = 107% Analysis Date = 03/10/01 Pct Recovery = 107% Analysis Date = 03/04/01 Pct Recovery = 108% Analysis Date = 03/04/01 Pct Recovery = 108% Analysis Date = 02/26/01 Pct Recovery = 108% Analysis Date = 02/26/01 Pct Recovery = 108% Analysis Date = 02/21/01 Pct Recovery = 109% Analysis Date = 02/21/01 Pct Recovery = 109% Analysis Date = 02/15/01 Pct Recovery = 109% Analysis Date = 02/15/01 Pct Recovery = 109% Analysis Date = 02/09/01 Pct Recovery = 109% Analysis Date = 02/09/01 Pct Recovery = 109% Analysis Date = 02/03/01 Pct Recovery = 109% Analysis Date = 02/03/01 Pct Recovery = 109% Analysis Date = 01/29/01 Pct Recovery = 109% Analysis Date = 01/29/01 Pct Recovery = 109% Analysis Date = 01/23/01 Pct Recovery = 109% Analysis Date = 01/23/01 Pct Recovery = 109% Analysis Date = 01/17/01 Pct Recovery = 109% Analysis Date = 01/17/01 Pct Recovery = 109% Analysis Date = 01/12/01 Pct Recovery = 109% Analysis Date = 01/12/01 Pct Recovery = 109% Analysis Date = 01/06/01 Pct Recovery = 109% Analysis Date = 01/06/01 Pct Recovery = 109% Analysis Date = 12/31/00 Pct Recovery = 109% Analysis Date = 12/31/00 Pct Recovery = 109% Analysis Date = 12/25/00 Pct Recovery = 109% Analysis Date = 12/25/00 Pct Recovery = 109% Analysis Date = 12/20/00 Pct Recovery = 109% Analysis Date = 12/20/00 Pct Recovery = 109% Analysis Date = 12/14/00 Pct Recovery = 109% Analysis Date = 12/14/00 Pct Recovery = 109% Analysis Date = 12/08/00 Pct Recovery = 109% Analysis Date = 12/08/00 Pct Recovery = 109% Analysis Date = 12/03/00 Pct Recovery = 109% Analysis Date = 12/03/00 Pct Recovery = 109% Analysis Date = 11/27/00 Pct Recovery = 110% Analysis Date = 11/27/00 Pct Recovery = 110% Analysis Date = 11/21/00 Pct Recovery = 110% Analysis Date = 11/21/00 Pct Recovery = 110% Analysis Date = 11/15/00 Pct Recovery = 110% Analysis Date = 11/15/00 Pct Recovery = 110% Analysis Date = 11/10/00 Pct Recovery = 109% Analysis Date = 11/10/00 Pct Recovery = 109% Analysis Date = 11/04/00 Pct Recovery = 109% Analysis Date = 11/04/00 Pct Recovery = 109% Analysis Date = 10/29/00 Pct Recovery = 108% Analysis Date = 10/29/00 Pct Recovery = 108% Analysis Date = 10/24/00 Pct Recovery = 108% Analysis Date = 10/24/00 Pct Recovery = 108% Analysis Date = 10/18/00 Pct Recovery = 107% Analysis Date = 10/18/00 Pct Recovery = 107% Analysis Date = 10/12/00 Pct Recovery = 106% Analysis Date = 10/12/00 Pct Recovery = 106% Analysis Date = 10/06/00 Pct Recovery = 106% Analysis Date = 10/06/00 Pct Recovery = 106% Analysis Date = 10/01/00 Pct Recovery = 105% Analysis Date = 10/01/00 Pct Recovery = 105% Analysis Date = 09/25/00 Pct Recovery = 105% Analysis Date = 09/25/00 Pct Recovery = 105% Analysis Date = 09/19/00 Pct Recovery = 104% Analysis Date = 09/19/00 Pct Recovery = 104% Analysis Date = 09/13/00 Pct Recovery = 104% Analysis Date = 09/13/00 Pct Recovery = 104% Analysis Date = 09/08/00 Pct Recovery = 103% Analysis Date = 09/08/00 Pct Recovery = 103% Analysis Date = 09/02/00 Pct Recovery = 103% Analysis Date = 09/02/00 Pct Recovery = 103% Analysis Date = 08/27/00 Pct Recovery = 102% Analysis Date = 08/27/00 Pct Recovery = 102% Analysis Date = 08/22/00 Pct Recovery = 101% Analysis Date = 08/22/00 Pct Recovery = 101% Analysis Date = 08/16/00 Pct Recovery = 101% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
METHYL METHACRYLATE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 8 104% 7% 101% 8%
Total 8 104% 7% 101% 8%

Sample Statistics
METHYL METHACRYLATE

Characteristic N % % Basis
Plotted 8 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 8 .  
False Negatives 0 0% 0 out of 8
Not Spiked 28 .  
False Positives 0 0% 0 out of 28

BQS OBSP Determination:
N-PROPYLBENZENE
METHOD: 4054 , TESTIDCODE: 77224GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 102% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 96% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 113% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 104% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 104% Analysis Date = 11/15/00 Pct Recovery = 102% Analysis Date = 11/13/00 Pct Recovery = 102% Analysis Date = 11/13/00 Pct Recovery = 102% Analysis Date = 11/12/00 Pct Recovery = 102% Analysis Date = 11/12/00 Pct Recovery = 102% Analysis Date = 11/11/00 Pct Recovery = 102% Analysis Date = 11/11/00 Pct Recovery = 102% Analysis Date = 11/10/00 Pct Recovery = 101% Analysis Date = 11/10/00 Pct Recovery = 101% Analysis Date = 11/08/00 Pct Recovery = 101% Analysis Date = 11/08/00 Pct Recovery = 101% Analysis Date = 11/07/00 Pct Recovery = 101% Analysis Date = 11/07/00 Pct Recovery = 101% Analysis Date = 11/06/00 Pct Recovery = 101% Analysis Date = 11/06/00 Pct Recovery = 101% Analysis Date = 11/04/00 Pct Recovery = 101% Analysis Date = 11/04/00 Pct Recovery = 101% Analysis Date = 11/03/00 Pct Recovery = 101% Analysis Date = 11/03/00 Pct Recovery = 101% Analysis Date = 11/02/00 Pct Recovery = 101% Analysis Date = 11/02/00 Pct Recovery = 101% Analysis Date = 10/31/00 Pct Recovery = 101% Analysis Date = 10/31/00 Pct Recovery = 101% Analysis Date = 10/30/00 Pct Recovery = 101% Analysis Date = 10/30/00 Pct Recovery = 101% Analysis Date = 10/29/00 Pct Recovery = 101% Analysis Date = 10/29/00 Pct Recovery = 101% Analysis Date = 10/27/00 Pct Recovery = 101% Analysis Date = 10/27/00 Pct Recovery = 101% Analysis Date = 10/26/00 Pct Recovery = 100% Analysis Date = 10/26/00 Pct Recovery = 100% Analysis Date = 10/25/00 Pct Recovery = 100% Analysis Date = 10/25/00 Pct Recovery = 100% Analysis Date = 10/23/00 Pct Recovery = 100% Analysis Date = 10/23/00 Pct Recovery = 100% Analysis Date = 10/22/00 Pct Recovery = 100% Analysis Date = 10/22/00 Pct Recovery = 100% Analysis Date = 10/21/00 Pct Recovery = 100% Analysis Date = 10/21/00 Pct Recovery = 100% Analysis Date = 10/19/00 Pct Recovery = 100% Analysis Date = 10/19/00 Pct Recovery = 100% Analysis Date = 10/18/00 Pct Recovery = 100% Analysis Date = 10/18/00 Pct Recovery = 100% Analysis Date = 10/17/00 Pct Recovery = 100% Analysis Date = 10/17/00 Pct Recovery = 100% Analysis Date = 10/15/00 Pct Recovery = 100% Analysis Date = 10/15/00 Pct Recovery = 100% Analysis Date = 10/14/00 Pct Recovery = 100% Analysis Date = 10/14/00 Pct Recovery = 100% Analysis Date = 10/13/00 Pct Recovery = 100% Analysis Date = 10/13/00 Pct Recovery = 100% Analysis Date = 10/11/00 Pct Recovery = 100% Analysis Date = 10/11/00 Pct Recovery = 100% Analysis Date = 10/10/00 Pct Recovery = 99% Analysis Date = 10/10/00 Pct Recovery = 99% Analysis Date = 10/09/00 Pct Recovery = 99% Analysis Date = 10/09/00 Pct Recovery = 99% Analysis Date = 10/07/00 Pct Recovery = 99% Analysis Date = 10/07/00 Pct Recovery = 99% Analysis Date = 10/06/00 Pct Recovery = 99% Analysis Date = 10/06/00 Pct Recovery = 99% Analysis Date = 10/05/00 Pct Recovery = 99% Analysis Date = 10/05/00 Pct Recovery = 99% Analysis Date = 10/03/00 Pct Recovery = 99% Analysis Date = 10/03/00 Pct Recovery = 99% Analysis Date = 10/02/00 Pct Recovery = 99% Analysis Date = 10/02/00 Pct Recovery = 99% Analysis Date = 10/01/00 Pct Recovery = 99% Analysis Date = 10/01/00 Pct Recovery = 99% Analysis Date = 09/29/00 Pct Recovery = 99% Analysis Date = 09/29/00 Pct Recovery = 99% Analysis Date = 09/28/00 Pct Recovery = 99% Analysis Date = 09/28/00 Pct Recovery = 99% Analysis Date = 09/27/00 Pct Recovery = 99% Analysis Date = 09/27/00 Pct Recovery = 99% Analysis Date = 09/25/00 Pct Recovery = 98% Analysis Date = 09/25/00 Pct Recovery = 98% Analysis Date = 09/24/00 Pct Recovery = 98% Analysis Date = 09/24/00 Pct Recovery = 98% Analysis Date = 09/23/00 Pct Recovery = 98% Analysis Date = 09/23/00 Pct Recovery = 98% Analysis Date = 09/21/00 Pct Recovery = 98% Analysis Date = 09/21/00 Pct Recovery = 98% Analysis Date = 09/20/00 Pct Recovery = 98% Analysis Date = 09/20/00 Pct Recovery = 98% Analysis Date = 09/19/00 Pct Recovery = 98% Analysis Date = 09/19/00 Pct Recovery = 98% Analysis Date = 09/17/00 Pct Recovery = 98% Analysis Date = 09/17/00 Pct Recovery = 98% Analysis Date = 09/16/00 Pct Recovery = 98% Analysis Date = 09/16/00 Pct Recovery = 98% Analysis Date = 09/15/00 Pct Recovery = 98% Analysis Date = 09/15/00 Pct Recovery = 98% Analysis Date = 09/13/00 Pct Recovery = 98% Analysis Date = 09/13/00 Pct Recovery = 98% Analysis Date = 09/12/00 Pct Recovery = 98% Analysis Date = 09/12/00 Pct Recovery = 98% Analysis Date = 09/11/00 Pct Recovery = 98% Analysis Date = 09/11/00 Pct Recovery = 98% Analysis Date = 09/09/00 Pct Recovery = 97% Analysis Date = 09/09/00 Pct Recovery = 97% Analysis Date = 09/08/00 Pct Recovery = 97% Analysis Date = 09/08/00 Pct Recovery = 97% Analysis Date = 09/07/00 Pct Recovery = 97% Analysis Date = 09/07/00 Pct Recovery = 97% Analysis Date = 09/05/00 Pct Recovery = 97% Analysis Date = 09/05/00 Pct Recovery = 97% Analysis Date = 09/04/00 Pct Recovery = 97% Analysis Date = 09/04/00 Pct Recovery = 97% Analysis Date = 09/03/00 Pct Recovery = 97% Analysis Date = 09/03/00 Pct Recovery = 97% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 08/31/00 Pct Recovery = 97% Analysis Date = 08/31/00 Pct Recovery = 97% Analysis Date = 08/30/00 Pct Recovery = 97% Analysis Date = 08/30/00 Pct Recovery = 97% Analysis Date = 08/28/00 Pct Recovery = 97% Analysis Date = 08/28/00 Pct Recovery = 97% Analysis Date = 08/27/00 Pct Recovery = 97% Analysis Date = 08/27/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 96% Analysis Date = 08/26/00 Pct Recovery = 96% Analysis Date = 08/24/00 Pct Recovery = 96% Analysis Date = 08/24/00 Pct Recovery = 96% Analysis Date = 08/23/00 Pct Recovery = 96% Analysis Date = 08/23/00 Pct Recovery = 96% Analysis Date = 08/22/00 Pct Recovery = 96% Analysis Date = 08/22/00 Pct Recovery = 96% Analysis Date = 08/20/00 Pct Recovery = 96% Analysis Date = 08/20/00 Pct Recovery = 96% Analysis Date = 08/19/00 Pct Recovery = 96% Analysis Date = 08/19/00 Pct Recovery = 96% Analysis Date = 08/18/00 Pct Recovery = 96% Analysis Date = 08/18/00 Pct Recovery = 96% Analysis Date = 08/17/00 Pct Recovery = 96% Analysis Date = 08/17/00 Pct Recovery = 96% Analysis Date = 08/15/00 Pct Recovery = 96% Analysis Date = 08/15/00 Pct Recovery = 96% Analysis Date = 08/14/00 Pct Recovery = 96% Analysis Date = 08/14/00 Pct Recovery = 96% Analysis Date = 08/13/00 Pct Recovery = 97% Analysis Date = 08/13/00 Pct Recovery = 97% Analysis Date = 08/11/00 Pct Recovery = 97% Analysis Date = 08/11/00 Pct Recovery = 97% Analysis Date = 08/10/00 Pct Recovery = 97% Analysis Date = 08/10/00 Pct Recovery = 97% Analysis Date = 08/09/00 Pct Recovery = 98% Analysis Date = 08/09/00 Pct Recovery = 98% Analysis Date = 08/07/00 Pct Recovery = 98% Analysis Date = 08/07/00 Pct Recovery = 98% Analysis Date = 08/06/00 Pct Recovery = 99% Analysis Date = 08/06/00 Pct Recovery = 99% Analysis Date = 08/05/00 Pct Recovery = 99% Analysis Date = 08/05/00 Pct Recovery = 99% Analysis Date = 08/03/00 Pct Recovery = 99% Analysis Date = 08/03/00 Pct Recovery = 99% Analysis Date = 08/02/00 Pct Recovery = 100% Analysis Date = 08/02/00 Pct Recovery = 100% Analysis Date = 08/01/00 Pct Recovery = 100% Analysis Date = 08/01/00 Pct Recovery = 100% Analysis Date = 07/30/00 Pct Recovery = 100% Analysis Date = 07/30/00 Pct Recovery = 100% Analysis Date = 07/29/00 Pct Recovery = 101% Analysis Date = 07/29/00 Pct Recovery = 101% Analysis Date = 07/28/00 Pct Recovery = 101% Analysis Date = 07/28/00 Pct Recovery = 101% Analysis Date = 07/26/00 Pct Recovery = 101% Analysis Date = 07/26/00 Pct Recovery = 101% Analysis Date = 07/25/00 Pct Recovery = 102% Analysis Date = 07/25/00 Pct Recovery = 102% Analysis Date = 07/24/00 Pct Recovery = 102% Analysis Date = 07/24/00 Pct Recovery = 102% Analysis Date = 07/22/00 Pct Recovery = 103% Analysis Date = 07/22/00 Pct Recovery = 103% Analysis Date = 07/21/00 Pct Recovery = 103% Analysis Date = 07/21/00 Pct Recovery = 103% Analysis Date = 07/20/00 Pct Recovery = 103% Analysis Date = 07/20/00 Pct Recovery = 103% Analysis Date = 07/18/00 Pct Recovery = 104% Analysis Date = 07/18/00 Pct Recovery = 104% Analysis Date = 07/17/00 Pct Recovery = 104% Analysis Date = 07/17/00 Pct Recovery = 104% Analysis Date = 07/16/00 Pct Recovery = 104% Analysis Date = 07/16/00 Pct Recovery = 104% Analysis Date = 07/14/00 Pct Recovery = 105% Analysis Date = 07/14/00 Pct Recovery = 105% Analysis Date = 07/13/00 Pct Recovery = 105% Analysis Date = 07/13/00 Pct Recovery = 105% Analysis Date = 07/12/00 Pct Recovery = 105% Analysis Date = 07/12/00 Pct Recovery = 105% Analysis Date = 07/10/00 Pct Recovery = 106% Analysis Date = 07/10/00 Pct Recovery = 106% Analysis Date = 07/09/00 Pct Recovery = 106% Analysis Date = 07/09/00 Pct Recovery = 106% Analysis Date = 07/08/00 Pct Recovery = 107% Analysis Date = 07/08/00 Pct Recovery = 107% Analysis Date = 07/06/00 Pct Recovery = 107% Analysis Date = 07/06/00 Pct Recovery = 107% Analysis Date = 07/05/00 Pct Recovery = 107% Analysis Date = 07/05/00 Pct Recovery = 107% Analysis Date = 07/04/00 Pct Recovery = 108% Analysis Date = 07/04/00 Pct Recovery = 108% Analysis Date = 07/02/00 Pct Recovery = 108% Analysis Date = 07/02/00 Pct Recovery = 108% Analysis Date = 07/01/00 Pct Recovery = 108% Analysis Date = 07/01/00 Pct Recovery = 108% Analysis Date = 06/30/00 Pct Recovery = 109% Analysis Date = 06/30/00 Pct Recovery = 109% Analysis Date = 06/28/00 Pct Recovery = 109% Analysis Date = 06/28/00 Pct Recovery = 109% Analysis Date = 06/27/00 Pct Recovery = 109% Analysis Date = 06/27/00 Pct Recovery = 109% Analysis Date = 06/26/00 Pct Recovery = 110% Analysis Date = 06/26/00 Pct Recovery = 110% Analysis Date = 06/24/00 Pct Recovery = 110% Analysis Date = 06/24/00 Pct Recovery = 110% Analysis Date = 06/23/00 Pct Recovery = 111% Analysis Date = 06/23/00 Pct Recovery = 111% Analysis Date = 06/22/00 Pct Recovery = 111% Analysis Date = 06/22/00 Pct Recovery = 111% Analysis Date = 06/20/00 Pct Recovery = 111% Analysis Date = 06/20/00 Pct Recovery = 111% Analysis Date = 06/19/00 Pct Recovery = 112% Analysis Date = 06/19/00 Pct Recovery = 112% Analysis Date = 06/18/00 Pct Recovery = 112% Analysis Date = 06/18/00 Pct Recovery = 112% Analysis Date = 06/16/00 Pct Recovery = 112% Analysis Date = 06/16/00 Pct Recovery = 112% Analysis Date = 06/15/00 Pct Recovery = 113% Analysis Date = 06/15/00 Pct Recovery = 113% Analysis Date = 06/14/00 Pct Recovery = 113% Analysis Date = 06/14/00 Pct Recovery = 113% Analysis Date = 06/12/00 Pct Recovery = 112% Analysis Date = 06/12/00 Pct Recovery = 112% Analysis Date = 06/11/00 Pct Recovery = 112% Analysis Date = 06/11/00 Pct Recovery = 112% Analysis Date = 06/10/00 Pct Recovery = 112% Analysis Date = 06/10/00 Pct Recovery = 112% Analysis Date = 06/08/00 Pct Recovery = 112% Analysis Date = 06/08/00 Pct Recovery = 112% Analysis Date = 06/07/00 Pct Recovery = 111% Analysis Date = 06/07/00 Pct Recovery = 111% Analysis Date = 06/06/00 Pct Recovery = 111% Analysis Date = 06/06/00 Pct Recovery = 111% Analysis Date = 06/04/00 Pct Recovery = 111% Analysis Date = 06/04/00 Pct Recovery = 111% Analysis Date = 06/03/00 Pct Recovery = 111% Analysis Date = 06/03/00 Pct Recovery = 111% Analysis Date = 06/02/00 Pct Recovery = 110% Analysis Date = 06/02/00 Pct Recovery = 110% Analysis Date = 05/31/00 Pct Recovery = 110% Analysis Date = 05/31/00 Pct Recovery = 110% Analysis Date = 05/30/00 Pct Recovery = 110% Analysis Date = 05/30/00 Pct Recovery = 110% Analysis Date = 05/29/00 Pct Recovery = 110% Analysis Date = 05/29/00 Pct Recovery = 110% Analysis Date = 05/27/00 Pct Recovery = 109% Analysis Date = 05/27/00 Pct Recovery = 109% Analysis Date = 05/26/00 Pct Recovery = 109% Analysis Date = 05/26/00 Pct Recovery = 109% Analysis Date = 05/25/00 Pct Recovery = 109% Analysis Date = 05/25/00 Pct Recovery = 109% Analysis Date = 05/24/00 Pct Recovery = 109% Analysis Date = 05/24/00 Pct Recovery = 109% Analysis Date = 05/22/00 Pct Recovery = 108% Analysis Date = 05/22/00 Pct Recovery = 108% Analysis Date = 05/21/00 Pct Recovery = 108% Analysis Date = 05/21/00 Pct Recovery = 108% Analysis Date = 05/20/00 Pct Recovery = 108% Analysis Date = 05/20/00 Pct Recovery = 108% Analysis Date = 05/18/00 Pct Recovery = 108% Analysis Date = 05/18/00 Pct Recovery = 108% Analysis Date = 05/17/00 Pct Recovery = 107% Analysis Date = 05/17/00 Pct Recovery = 107% Analysis Date = 05/16/00 Pct Recovery = 107% Analysis Date = 05/16/00 Pct Recovery = 107% Analysis Date = 05/14/00 Pct Recovery = 107% Analysis Date = 05/14/00 Pct Recovery = 107% Analysis Date = 05/13/00 Pct Recovery = 107% Analysis Date = 05/13/00 Pct Recovery = 107% Analysis Date = 05/12/00 Pct Recovery = 106% Analysis Date = 05/12/00 Pct Recovery = 106% Analysis Date = 05/10/00 Pct Recovery = 106% Analysis Date = 05/10/00 Pct Recovery = 106% Analysis Date = 05/09/00 Pct Recovery = 106% Analysis Date = 05/09/00 Pct Recovery = 106% Analysis Date = 05/08/00 Pct Recovery = 106% Analysis Date = 05/08/00 Pct Recovery = 106% Analysis Date = 05/06/00 Pct Recovery = 105% Analysis Date = 05/06/00 Pct Recovery = 105% Analysis Date = 05/05/00 Pct Recovery = 105% Analysis Date = 05/05/00 Pct Recovery = 105% Analysis Date = 05/04/00 Pct Recovery = 105% Analysis Date = 05/04/00 Pct Recovery = 105% Analysis Date = 05/02/00 Pct Recovery = 105% Analysis Date = 05/02/00 Pct Recovery = 105% Analysis Date = 05/01/00 Pct Recovery = 104% Analysis Date = 05/01/00 Pct Recovery = 104% Analysis Date = 04/30/00 Pct Recovery = 104% Analysis Date = 04/30/00 Pct Recovery = 104% Analysis Date = 04/28/00 Pct Recovery = 104% Analysis Date = 04/28/00 Pct Recovery = 104% Analysis Date = 04/27/00 Pct Recovery = 104% Analysis Date = 04/27/00 Pct Recovery = 104% Analysis Date = 04/26/00 Pct Recovery = 104% Analysis Date = 04/26/00 Pct Recovery = 104% Analysis Date = 04/24/00 Pct Recovery = 104% Analysis Date = 04/24/00 Pct Recovery = 104% Analysis Date = 04/23/00 Pct Recovery = 104% Analysis Date = 04/23/00 Pct Recovery = 104% Analysis Date = 04/22/00 Pct Recovery = 104% Analysis Date = 04/22/00 Pct Recovery = 104% Analysis Date = 04/20/00 Pct Recovery = 104% Analysis Date = 04/20/00 Pct Recovery = 104% Analysis Date = 04/19/00 Pct Recovery = 104% Analysis Date = 04/19/00 Pct Recovery = 104% Analysis Date = 04/18/00 Pct Recovery = 104% Analysis Date = 04/18/00 Pct Recovery = 104% Analysis Date = 04/16/00 Pct Recovery = 104% Analysis Date = 04/16/00 Pct Recovery = 104% Analysis Date = 04/15/00 Pct Recovery = 104% Analysis Date = 04/15/00 Pct Recovery = 104% Analysis Date = 04/14/00 Pct Recovery = 104% Analysis Date = 04/14/00 Pct Recovery = 104% Analysis Date = 04/12/00 Pct Recovery = 104% Analysis Date = 04/12/00 Pct Recovery = 104% Analysis Date = 04/11/00 Pct Recovery = 104% Analysis Date = 04/11/00 Pct Recovery = 104% Analysis Date = 04/10/00 Pct Recovery = 104% Analysis Date = 04/10/00 Pct Recovery = 104% Analysis Date = 04/08/00 Pct Recovery = 104% Analysis Date = 04/08/00 Pct Recovery = 104% Analysis Date = 04/07/00 Pct Recovery = 104% Analysis Date = 04/07/00 Pct Recovery = 104% Analysis Date = 04/06/00 Pct Recovery = 104% Analysis Date = 04/06/00 Pct Recovery = 104% Analysis Date = 04/04/00 Pct Recovery = 104% Analysis Date = 04/04/00 Pct Recovery = 104% Analysis Date = 04/03/00 Pct Recovery = 104% Analysis Date = 04/03/00 Pct Recovery = 104% Analysis Date = 04/02/00 Pct Recovery = 104% Analysis Date = 04/02/00 Pct Recovery = 104% Analysis Date = 03/31/00 Pct Recovery = 104% Analysis Date = 03/31/00 Pct Recovery = 104% Analysis Date = 03/30/00 Pct Recovery = 104% Analysis Date = 03/30/00 Pct Recovery = 104% Analysis Date = 03/29/00 Pct Recovery = 104% Analysis Date = 03/29/00 Pct Recovery = 104% Analysis Date = 03/27/00 Pct Recovery = 104% Analysis Date = 03/27/00 Pct Recovery = 104% Analysis Date = 03/26/00 Pct Recovery = 104% Analysis Date = 03/26/00 Pct Recovery = 104% Analysis Date = 03/25/00 Pct Recovery = 104% Analysis Date = 03/25/00 Pct Recovery = 104% Analysis Date = 03/23/00 Pct Recovery = 104% Analysis Date = 03/23/00 Pct Recovery = 104% Analysis Date = 03/22/00 Pct Recovery = 104% Analysis Date = 03/22/00 Pct Recovery = 104% Analysis Date = 03/21/00 Pct Recovery = 104% Analysis Date = 03/21/00 Pct Recovery = 104% Analysis Date = 03/19/00 Pct Recovery = 104% Analysis Date = 03/19/00 Pct Recovery = 104% Analysis Date = 03/18/00 Pct Recovery = 104% Analysis Date = 03/18/00 Pct Recovery = 104% Analysis Date = 03/17/00 Pct Recovery = 104% Analysis Date = 03/17/00 Pct Recovery = 104% Analysis Date = 03/15/00 Pct Recovery = 104% Analysis Date = 03/15/00 Pct Recovery = 104% Analysis Date = 03/14/00 Pct Recovery = 104% Analysis Date = 03/14/00 Pct Recovery = 104% Analysis Date = 03/13/00 Pct Recovery = 104% Analysis Date = 03/13/00 Pct Recovery = 104% Analysis Date = 03/11/00 Pct Recovery = 104% Analysis Date = 03/11/00 Pct Recovery = 104% Analysis Date = 03/10/00 Pct Recovery = 104% Analysis Date = 03/10/00 Pct Recovery = 104% Analysis Date = 03/09/00 Pct Recovery = 104% Analysis Date = 03/09/00 Pct Recovery = 104% Analysis Date = 03/07/00 Pct Recovery = 104% Analysis Date = 03/07/00 Pct Recovery = 104% Analysis Date = 03/06/00 Pct Recovery = 104% Analysis Date = 03/06/00 Pct Recovery = 104% Analysis Date = 03/05/00 Pct Recovery = 104% Analysis Date = 03/05/00 Pct Recovery = 104% Analysis Date = 03/03/00 Pct Recovery = 104% Analysis Date = 03/03/00 Pct Recovery = 104% Analysis Date = 03/02/00 Pct Recovery = 104% Analysis Date = 03/02/00 Pct Recovery = 104% Analysis Date = 03/01/00 Pct Recovery = 104% Analysis Date = 03/01/00 Pct Recovery = 104% Analysis Date = 02/28/00 Pct Recovery = 104% Analysis Date = 02/28/00 Pct Recovery = 104% Analysis Date = 02/27/00 Pct Recovery = 104% Analysis Date = 02/27/00 Pct Recovery = 104% Analysis Date = 02/26/00 Pct Recovery = 104% Analysis Date = 02/26/00 Pct Recovery = 104% Analysis Date = 02/25/00 Pct Recovery = 104% Analysis Date = 02/25/00 Pct Recovery = 104% Analysis Date = 02/23/00 Pct Recovery = 104% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
N-PROPYLBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 104% 6% 104% 2%
Total 5 104% 6% 104% 2%

Sample Statistics
N-PROPYLBENZENE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
NAPHTHALENE
METHOD: 4054 , TESTIDCODE: 34696GCM66
Open Data Set

Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 96% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 113% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 102% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 98% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 75% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 85% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 67% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 103% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 75% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 92% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 101% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 80% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 73% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 92% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 78% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 86% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 129% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 108% Analysis Date = 10/04/03 Pct Recovery = 87% Analysis Date = 09/27/03 Pct Recovery = 88% Analysis Date = 09/27/03 Pct Recovery = 88% Analysis Date = 09/20/03 Pct Recovery = 88% Analysis Date = 09/20/03 Pct Recovery = 88% Analysis Date = 09/14/03 Pct Recovery = 89% Analysis Date = 09/14/03 Pct Recovery = 89% Analysis Date = 09/07/03 Pct Recovery = 89% Analysis Date = 09/07/03 Pct Recovery = 89% Analysis Date = 09/01/03 Pct Recovery = 89% Analysis Date = 09/01/03 Pct Recovery = 89% Analysis Date = 08/25/03 Pct Recovery = 90% Analysis Date = 08/25/03 Pct Recovery = 90% Analysis Date = 08/18/03 Pct Recovery = 90% Analysis Date = 08/18/03 Pct Recovery = 90% Analysis Date = 08/12/03 Pct Recovery = 90% Analysis Date = 08/12/03 Pct Recovery = 90% Analysis Date = 08/05/03 Pct Recovery = 91% Analysis Date = 08/05/03 Pct Recovery = 91% Analysis Date = 07/30/03 Pct Recovery = 91% Analysis Date = 07/30/03 Pct Recovery = 91% Analysis Date = 07/23/03 Pct Recovery = 91% Analysis Date = 07/23/03 Pct Recovery = 91% Analysis Date = 07/16/03 Pct Recovery = 92% Analysis Date = 07/16/03 Pct Recovery = 92% Analysis Date = 07/10/03 Pct Recovery = 92% Analysis Date = 07/10/03 Pct Recovery = 92% Analysis Date = 07/03/03 Pct Recovery = 92% Analysis Date = 07/03/03 Pct Recovery = 92% Analysis Date = 06/27/03 Pct Recovery = 92% Analysis Date = 06/27/03 Pct Recovery = 92% Analysis Date = 06/20/03 Pct Recovery = 93% Analysis Date = 06/20/03 Pct Recovery = 93% Analysis Date = 06/13/03 Pct Recovery = 93% Analysis Date = 06/13/03 Pct Recovery = 93% Analysis Date = 06/07/03 Pct Recovery = 93% Analysis Date = 06/07/03 Pct Recovery = 93% Analysis Date = 05/31/03 Pct Recovery = 93% Analysis Date = 05/31/03 Pct Recovery = 93% Analysis Date = 05/25/03 Pct Recovery = 93% Analysis Date = 05/25/03 Pct Recovery = 93% Analysis Date = 05/18/03 Pct Recovery = 93% Analysis Date = 05/18/03 Pct Recovery = 93% Analysis Date = 05/11/03 Pct Recovery = 93% Analysis Date = 05/11/03 Pct Recovery = 93% Analysis Date = 05/05/03 Pct Recovery = 93% Analysis Date = 05/05/03 Pct Recovery = 93% Analysis Date = 04/28/03 Pct Recovery = 93% Analysis Date = 04/28/03 Pct Recovery = 93% Analysis Date = 04/22/03 Pct Recovery = 92% Analysis Date = 04/22/03 Pct Recovery = 92% Analysis Date = 04/15/03 Pct Recovery = 92% Analysis Date = 04/15/03 Pct Recovery = 92% Analysis Date = 04/09/03 Pct Recovery = 92% Analysis Date = 04/09/03 Pct Recovery = 92% Analysis Date = 04/02/03 Pct Recovery = 92% Analysis Date = 04/02/03 Pct Recovery = 92% Analysis Date = 03/26/03 Pct Recovery = 92% Analysis Date = 03/26/03 Pct Recovery = 92% Analysis Date = 03/20/03 Pct Recovery = 92% Analysis Date = 03/20/03 Pct Recovery = 92% Analysis Date = 03/13/03 Pct Recovery = 92% Analysis Date = 03/13/03 Pct Recovery = 92% Analysis Date = 03/07/03 Pct Recovery = 92% Analysis Date = 03/07/03 Pct Recovery = 92% Analysis Date = 02/28/03 Pct Recovery = 92% Analysis Date = 02/28/03 Pct Recovery = 92% Analysis Date = 02/21/03 Pct Recovery = 92% Analysis Date = 02/21/03 Pct Recovery = 92% Analysis Date = 02/15/03 Pct Recovery = 91% Analysis Date = 02/15/03 Pct Recovery = 91% Analysis Date = 02/08/03 Pct Recovery = 91% Analysis Date = 02/08/03 Pct Recovery = 91% Analysis Date = 02/02/03 Pct Recovery = 91% Analysis Date = 02/02/03 Pct Recovery = 91% Analysis Date = 01/26/03 Pct Recovery = 91% Analysis Date = 01/26/03 Pct Recovery = 91% Analysis Date = 01/19/03 Pct Recovery = 91% Analysis Date = 01/19/03 Pct Recovery = 91% Analysis Date = 01/13/03 Pct Recovery = 91% Analysis Date = 01/13/03 Pct Recovery = 91% Analysis Date = 01/06/03 Pct Recovery = 91% Analysis Date = 01/06/03 Pct Recovery = 91% Analysis Date = 12/31/02 Pct Recovery = 91% Analysis Date = 12/31/02 Pct Recovery = 91% Analysis Date = 12/24/02 Pct Recovery = 91% Analysis Date = 12/24/02 Pct Recovery = 91% Analysis Date = 12/17/02 Pct Recovery = 90% Analysis Date = 12/17/02 Pct Recovery = 90% Analysis Date = 12/11/02 Pct Recovery = 90% Analysis Date = 12/11/02 Pct Recovery = 90% Analysis Date = 12/04/02 Pct Recovery = 90% Analysis Date = 12/04/02 Pct Recovery = 90% Analysis Date = 11/28/02 Pct Recovery = 90% Analysis Date = 11/28/02 Pct Recovery = 90% Analysis Date = 11/21/02 Pct Recovery = 90% Analysis Date = 11/21/02 Pct Recovery = 90% Analysis Date = 11/15/02 Pct Recovery = 90% Analysis Date = 11/15/02 Pct Recovery = 90% Analysis Date = 11/08/02 Pct Recovery = 90% Analysis Date = 11/08/02 Pct Recovery = 90% Analysis Date = 11/01/02 Pct Recovery = 90% Analysis Date = 11/01/02 Pct Recovery = 90% Analysis Date = 10/26/02 Pct Recovery = 90% Analysis Date = 10/26/02 Pct Recovery = 90% Analysis Date = 10/19/02 Pct Recovery = 89% Analysis Date = 10/19/02 Pct Recovery = 89% Analysis Date = 10/13/02 Pct Recovery = 89% Analysis Date = 10/13/02 Pct Recovery = 89% Analysis Date = 10/06/02 Pct Recovery = 89% Analysis Date = 10/06/02 Pct Recovery = 89% Analysis Date = 09/29/02 Pct Recovery = 89% Analysis Date = 09/29/02 Pct Recovery = 89% Analysis Date = 09/23/02 Pct Recovery = 89% Analysis Date = 09/23/02 Pct Recovery = 89% Analysis Date = 09/16/02 Pct Recovery = 89% Analysis Date = 09/16/02 Pct Recovery = 89% Analysis Date = 09/10/02 Pct Recovery = 89% Analysis Date = 09/10/02 Pct Recovery = 89% Analysis Date = 09/03/02 Pct Recovery = 89% Analysis Date = 09/03/02 Pct Recovery = 89% Analysis Date = 08/27/02 Pct Recovery = 89% Analysis Date = 08/27/02 Pct Recovery = 89% Analysis Date = 08/21/02 Pct Recovery = 88% Analysis Date = 08/21/02 Pct Recovery = 88% Analysis Date = 08/14/02 Pct Recovery = 88% Analysis Date = 08/14/02 Pct Recovery = 88% Analysis Date = 08/08/02 Pct Recovery = 88% Analysis Date = 08/08/02 Pct Recovery = 88% Analysis Date = 08/01/02 Pct Recovery = 88% Analysis Date = 08/01/02 Pct Recovery = 88% Analysis Date = 07/25/02 Pct Recovery = 88% Analysis Date = 07/25/02 Pct Recovery = 88% Analysis Date = 07/19/02 Pct Recovery = 87% Analysis Date = 07/19/02 Pct Recovery = 87% Analysis Date = 07/12/02 Pct Recovery = 87% Analysis Date = 07/12/02 Pct Recovery = 87% Analysis Date = 07/06/02 Pct Recovery = 87% Analysis Date = 07/06/02 Pct Recovery = 87% Analysis Date = 06/29/02 Pct Recovery = 86% Analysis Date = 06/29/02 Pct Recovery = 86% Analysis Date = 06/22/02 Pct Recovery = 86% Analysis Date = 06/22/02 Pct Recovery = 86% Analysis Date = 06/16/02 Pct Recovery = 86% Analysis Date = 06/16/02 Pct Recovery = 86% Analysis Date = 06/09/02 Pct Recovery = 86% Analysis Date = 06/09/02 Pct Recovery = 86% Analysis Date = 06/03/02 Pct Recovery = 85% Analysis Date = 06/03/02 Pct Recovery = 85% Analysis Date = 05/27/02 Pct Recovery = 85% Analysis Date = 05/27/02 Pct Recovery = 85% Analysis Date = 05/21/02 Pct Recovery = 85% Analysis Date = 05/21/02 Pct Recovery = 85% Analysis Date = 05/14/02 Pct Recovery = 85% Analysis Date = 05/14/02 Pct Recovery = 85% Analysis Date = 05/07/02 Pct Recovery = 85% Analysis Date = 05/07/02 Pct Recovery = 85% Analysis Date = 05/01/02 Pct Recovery = 84% Analysis Date = 05/01/02 Pct Recovery = 84% Analysis Date = 04/24/02 Pct Recovery = 84% Analysis Date = 04/24/02 Pct Recovery = 84% Analysis Date = 04/18/02 Pct Recovery = 84% Analysis Date = 04/18/02 Pct Recovery = 84% Analysis Date = 04/11/02 Pct Recovery = 84% Analysis Date = 04/11/02 Pct Recovery = 84% Analysis Date = 04/04/02 Pct Recovery = 84% Analysis Date = 04/04/02 Pct Recovery = 84% Analysis Date = 03/29/02 Pct Recovery = 83% Analysis Date = 03/29/02 Pct Recovery = 83% Analysis Date = 03/22/02 Pct Recovery = 83% Analysis Date = 03/22/02 Pct Recovery = 83% Analysis Date = 03/16/02 Pct Recovery = 83% Analysis Date = 03/16/02 Pct Recovery = 83% Analysis Date = 03/09/02 Pct Recovery = 83% Analysis Date = 03/09/02 Pct Recovery = 83% Analysis Date = 03/02/02 Pct Recovery = 83% Analysis Date = 03/02/02 Pct Recovery = 83% Analysis Date = 02/24/02 Pct Recovery = 83% Analysis Date = 02/24/02 Pct Recovery = 83% Analysis Date = 02/17/02 Pct Recovery = 83% Analysis Date = 02/17/02 Pct Recovery = 83% Analysis Date = 02/11/02 Pct Recovery = 83% Analysis Date = 02/11/02 Pct Recovery = 83% Analysis Date = 02/04/02 Pct Recovery = 83% Analysis Date = 02/04/02 Pct Recovery = 83% Analysis Date = 01/28/02 Pct Recovery = 83% Analysis Date = 01/28/02 Pct Recovery = 83% Analysis Date = 01/22/02 Pct Recovery = 84% Analysis Date = 01/22/02 Pct Recovery = 84% Analysis Date = 01/15/02 Pct Recovery = 84% Analysis Date = 01/15/02 Pct Recovery = 84% Analysis Date = 01/09/02 Pct Recovery = 84% Analysis Date = 01/09/02 Pct Recovery = 84% Analysis Date = 01/02/02 Pct Recovery = 84% Analysis Date = 01/02/02 Pct Recovery = 84% Analysis Date = 12/27/01 Pct Recovery = 84% Analysis Date = 12/27/01 Pct Recovery = 84% Analysis Date = 12/20/01 Pct Recovery = 84% Analysis Date = 12/20/01 Pct Recovery = 84% Analysis Date = 12/13/01 Pct Recovery = 84% Analysis Date = 12/13/01 Pct Recovery = 84% Analysis Date = 12/07/01 Pct Recovery = 85% Analysis Date = 12/07/01 Pct Recovery = 85% Analysis Date = 11/30/01 Pct Recovery = 85% Analysis Date = 11/30/01 Pct Recovery = 85% Analysis Date = 11/24/01 Pct Recovery = 85% Analysis Date = 11/24/01 Pct Recovery = 85% Analysis Date = 11/17/01 Pct Recovery = 85% Analysis Date = 11/17/01 Pct Recovery = 85% Analysis Date = 11/10/01 Pct Recovery = 85% Analysis Date = 11/10/01 Pct Recovery = 85% Analysis Date = 11/04/01 Pct Recovery = 85% Analysis Date = 11/04/01 Pct Recovery = 85% Analysis Date = 10/28/01 Pct Recovery = 86% Analysis Date = 10/28/01 Pct Recovery = 86% Analysis Date = 10/22/01 Pct Recovery = 86% Analysis Date = 10/22/01 Pct Recovery = 86% Analysis Date = 10/15/01 Pct Recovery = 86% Analysis Date = 10/15/01 Pct Recovery = 86% Analysis Date = 10/08/01 Pct Recovery = 86% Analysis Date = 10/08/01 Pct Recovery = 86% Analysis Date = 10/02/01 Pct Recovery = 86% Analysis Date = 10/02/01 Pct Recovery = 86% Analysis Date = 09/25/01 Pct Recovery = 86% Analysis Date = 09/25/01 Pct Recovery = 86% Analysis Date = 09/19/01 Pct Recovery = 87% Analysis Date = 09/19/01 Pct Recovery = 87% Analysis Date = 09/12/01 Pct Recovery = 87% Analysis Date = 09/12/01 Pct Recovery = 87% Analysis Date = 09/05/01 Pct Recovery = 87% Analysis Date = 09/05/01 Pct Recovery = 87% Analysis Date = 08/30/01 Pct Recovery = 87% Analysis Date = 08/30/01 Pct Recovery = 87% Analysis Date = 08/23/01 Pct Recovery = 87% Analysis Date = 08/23/01 Pct Recovery = 87% Analysis Date = 08/17/01 Pct Recovery = 87% Analysis Date = 08/17/01 Pct Recovery = 87% Analysis Date = 08/10/01 Pct Recovery = 88% Analysis Date = 08/10/01 Pct Recovery = 88% Analysis Date = 08/04/01 Pct Recovery = 88% Analysis Date = 08/04/01 Pct Recovery = 88% Analysis Date = 07/28/01 Pct Recovery = 88% Analysis Date = 07/28/01 Pct Recovery = 88% Analysis Date = 07/21/01 Pct Recovery = 88% Analysis Date = 07/21/01 Pct Recovery = 88% Analysis Date = 07/15/01 Pct Recovery = 88% Analysis Date = 07/15/01 Pct Recovery = 88% Analysis Date = 07/08/01 Pct Recovery = 89% Analysis Date = 07/08/01 Pct Recovery = 89% Analysis Date = 07/02/01 Pct Recovery = 89% Analysis Date = 07/02/01 Pct Recovery = 89% Analysis Date = 06/25/01 Pct Recovery = 89% Analysis Date = 06/25/01 Pct Recovery = 89% Analysis Date = 06/18/01 Pct Recovery = 89% Analysis Date = 06/18/01 Pct Recovery = 89% Analysis Date = 06/12/01 Pct Recovery = 89% Analysis Date = 06/12/01 Pct Recovery = 89% Analysis Date = 06/05/01 Pct Recovery = 89% Analysis Date = 06/05/01 Pct Recovery = 89% Analysis Date = 05/30/01 Pct Recovery = 90% Analysis Date = 05/30/01 Pct Recovery = 90% Analysis Date = 05/23/01 Pct Recovery = 90% Analysis Date = 05/23/01 Pct Recovery = 90% Analysis Date = 05/16/01 Pct Recovery = 90% Analysis Date = 05/16/01 Pct Recovery = 90% Analysis Date = 05/10/01 Pct Recovery = 90% Analysis Date = 05/10/01 Pct Recovery = 90% Analysis Date = 05/03/01 Pct Recovery = 90% Analysis Date = 05/03/01 Pct Recovery = 90% Analysis Date = 04/27/01 Pct Recovery = 90% Analysis Date = 04/27/01 Pct Recovery = 90% Analysis Date = 04/20/01 Pct Recovery = 91% Analysis Date = 04/20/01 Pct Recovery = 91% Analysis Date = 04/13/01 Pct Recovery = 91% Analysis Date = 04/13/01 Pct Recovery = 91% Analysis Date = 04/07/01 Pct Recovery = 91% Analysis Date = 04/07/01 Pct Recovery = 91% Analysis Date = 03/31/01 Pct Recovery = 91% Analysis Date = 03/31/01 Pct Recovery = 91% Analysis Date = 03/25/01 Pct Recovery = 91% Analysis Date = 03/25/01 Pct Recovery = 91% Analysis Date = 03/18/01 Pct Recovery = 91% Analysis Date = 03/18/01 Pct Recovery = 91% Analysis Date = 03/11/01 Pct Recovery = 92% Analysis Date = 03/11/01 Pct Recovery = 92% Analysis Date = 03/05/01 Pct Recovery = 92% Analysis Date = 03/05/01 Pct Recovery = 92% Analysis Date = 02/26/01 Pct Recovery = 92% Analysis Date = 02/26/01 Pct Recovery = 92% Analysis Date = 02/20/01 Pct Recovery = 92% Analysis Date = 02/20/01 Pct Recovery = 92% Analysis Date = 02/13/01 Pct Recovery = 92% Analysis Date = 02/13/01 Pct Recovery = 92% Analysis Date = 02/07/01 Pct Recovery = 93% Analysis Date = 02/07/01 Pct Recovery = 93% Analysis Date = 01/31/01 Pct Recovery = 93% Analysis Date = 01/31/01 Pct Recovery = 93% Analysis Date = 01/24/01 Pct Recovery = 93% Analysis Date = 01/24/01 Pct Recovery = 93% Analysis Date = 01/18/01 Pct Recovery = 93% Analysis Date = 01/18/01 Pct Recovery = 93% Analysis Date = 01/11/01 Pct Recovery = 93% Analysis Date = 01/11/01 Pct Recovery = 93% Analysis Date = 01/05/01 Pct Recovery = 93% Analysis Date = 01/05/01 Pct Recovery = 93% Analysis Date = 12/29/00 Pct Recovery = 94% Analysis Date = 12/29/00 Pct Recovery = 94% Analysis Date = 12/22/00 Pct Recovery = 94% Analysis Date = 12/22/00 Pct Recovery = 94% Analysis Date = 12/16/00 Pct Recovery = 94% Analysis Date = 12/16/00 Pct Recovery = 94% Analysis Date = 12/09/00 Pct Recovery = 94% Analysis Date = 12/09/00 Pct Recovery = 94% Analysis Date = 12/03/00 Pct Recovery = 94% Analysis Date = 12/03/00 Pct Recovery = 94% Analysis Date = 11/26/00 Pct Recovery = 94% Analysis Date = 11/26/00 Pct Recovery = 94% Analysis Date = 11/19/00 Pct Recovery = 95% Analysis Date = 11/19/00 Pct Recovery = 95% Analysis Date = 11/13/00 Pct Recovery = 95% Analysis Date = 11/13/00 Pct Recovery = 95% Analysis Date = 11/06/00 Pct Recovery = 95% Analysis Date = 11/06/00 Pct Recovery = 95% Analysis Date = 10/31/00 Pct Recovery = 95% Analysis Date = 10/31/00 Pct Recovery = 95% Analysis Date = 10/24/00 Pct Recovery = 95% Analysis Date = 10/24/00 Pct Recovery = 95% Analysis Date = 10/17/00 Pct Recovery = 95% Analysis Date = 10/17/00 Pct Recovery = 95% Analysis Date = 10/11/00 Pct Recovery = 96% Analysis Date = 10/11/00 Pct Recovery = 96% Analysis Date = 10/04/00 Pct Recovery = 96% Analysis Date = 10/04/00 Pct Recovery = 96% Analysis Date = 09/28/00 Pct Recovery = 96% Analysis Date = 09/28/00 Pct Recovery = 96% Analysis Date = 09/21/00 Pct Recovery = 96% Analysis Date = 09/21/00 Pct Recovery = 96% Analysis Date = 09/15/00 Pct Recovery = 96% Analysis Date = 09/15/00 Pct Recovery = 96% Analysis Date = 09/08/00 Pct Recovery = 97% Analysis Date = 09/08/00 Pct Recovery = 97% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/19/00 Pct Recovery = 97% Analysis Date = 08/19/00 Pct Recovery = 97% Analysis Date = 08/13/00 Pct Recovery = 97% Analysis Date = 08/13/00 Pct Recovery = 97% Analysis Date = 08/06/00 Pct Recovery = 97% Analysis Date = 08/06/00 Pct Recovery = 97% Analysis Date = 07/30/00 Pct Recovery = 98% Analysis Date = 07/30/00 Pct Recovery = 98% Analysis Date = 07/24/00 Pct Recovery = 98% Analysis Date = 07/24/00 Pct Recovery = 98% Analysis Date = 07/17/00 Pct Recovery = 98% Analysis Date = 07/17/00 Pct Recovery = 98% Analysis Date = 07/11/00 Pct Recovery = 98% Analysis Date = 07/11/00 Pct Recovery = 98% Analysis Date = 07/04/00 Pct Recovery = 98% Analysis Date = 07/04/00 Pct Recovery = 98% Analysis Date = 06/27/00 Pct Recovery = 98% Analysis Date = 06/27/00 Pct Recovery = 98% Analysis Date = 06/21/00 Pct Recovery = 99% Analysis Date = 06/21/00 Pct Recovery = 99% Analysis Date = 06/14/00 Pct Recovery = 99% Analysis Date = 06/14/00 Pct Recovery = 99% Analysis Date = 06/08/00 Pct Recovery = 99% Analysis Date = 06/08/00 Pct Recovery = 99% Analysis Date = 06/01/00 Pct Recovery = 99% Analysis Date = 06/01/00 Pct Recovery = 99% Analysis Date = 05/25/00 Pct Recovery = 99% Analysis Date = 05/25/00 Pct Recovery = 99% Analysis Date = 05/19/00 Pct Recovery = 99% Analysis Date = 05/19/00 Pct Recovery = 99% Analysis Date = 05/12/00 Pct Recovery = 100% Analysis Date = 05/12/00 Pct Recovery = 100% Analysis Date = 05/06/00 Pct Recovery = 100% Analysis Date = 05/06/00 Pct Recovery = 100% Analysis Date = 04/29/00 Pct Recovery = 100% Analysis Date = 04/29/00 Pct Recovery = 100% Analysis Date = 04/23/00 Pct Recovery = 100% Analysis Date = 04/23/00 Pct Recovery = 100% Analysis Date = 04/16/00 Pct Recovery = 100% Analysis Date = 04/16/00 Pct Recovery = 100% Analysis Date = 04/09/00 Pct Recovery = 100% Analysis Date = 04/09/00 Pct Recovery = 100% Analysis Date = 04/03/00 Pct Recovery = 101% Analysis Date = 04/03/00 Pct Recovery = 101% Analysis Date = 03/27/00 Pct Recovery = 101% Analysis Date = 03/27/00 Pct Recovery = 101% Analysis Date = 03/21/00 Pct Recovery = 101% Analysis Date = 03/21/00 Pct Recovery = 101% Analysis Date = 03/14/00 Pct Recovery = 101% Analysis Date = 03/14/00 Pct Recovery = 101% Analysis Date = 03/07/00 Pct Recovery = 101% Analysis Date = 03/07/00 Pct Recovery = 101% Analysis Date = 03/01/00 Pct Recovery = 102% Analysis Date = 03/01/00 Pct Recovery = 102% Analysis Date = 02/23/00 Pct Recovery = 102% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
NAPHTHALENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 3 107% 22% 108% 32%
>= Reporting Level 15 89% 14% 92% 19%
Total 18 92% 16% 92% 18%

Sample Statistics
NAPHTHALENE

Characteristic N % % Basis
Plotted 18 90% Spiked
Estimated Values 3 15% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 1 5% Spiked
Spiked 20 .  
False Negatives 1 5% 1 out of 20
Not Spiked 16 .  
False Positives 0 0% 0 out of 16

BQS OBSP Determination:
NUMBER OF TENTATIVELY IDENTIFIED COMPOUNDS (TICS)
METHOD: 4054 , TESTIDCODE: 99871GCM66
Open Data Set

The SGPlot Procedure

Sample Statistics
NUMBER OF TENTATIVELY IDENTIFIED COMPOUNDS (TICS)

Characteristic N % % Basis
Plotted 0 . Spiked
Estimated Values 0 . Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 . Spiked
Spiked 0 .  
False Negatives 0 . 0 out of 0
Not Spiked 21 .  
False Positives 14 67% 14 out of 21

BQS OBSP Determination:
O-ETHYL TOLUENE
METHOD: 4054 , TESTIDCODE: 77220GCM66
Open Data Set

Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 112% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 107% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 93% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 90% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 110% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 91% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 100% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 105% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 109% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 105% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 97% Analysis Date = 07/08/03 Pct Recovery = 106% Analysis Date = 07/03/03 Pct Recovery = 106% Analysis Date = 07/03/03 Pct Recovery = 106% Analysis Date = 06/28/03 Pct Recovery = 106% Analysis Date = 06/28/03 Pct Recovery = 106% Analysis Date = 06/23/03 Pct Recovery = 105% Analysis Date = 06/23/03 Pct Recovery = 105% Analysis Date = 06/17/03 Pct Recovery = 105% Analysis Date = 06/17/03 Pct Recovery = 105% Analysis Date = 06/12/03 Pct Recovery = 105% Analysis Date = 06/12/03 Pct Recovery = 105% Analysis Date = 06/07/03 Pct Recovery = 104% Analysis Date = 06/07/03 Pct Recovery = 104% Analysis Date = 06/02/03 Pct Recovery = 104% Analysis Date = 06/02/03 Pct Recovery = 104% Analysis Date = 05/27/03 Pct Recovery = 104% Analysis Date = 05/27/03 Pct Recovery = 104% Analysis Date = 05/22/03 Pct Recovery = 103% Analysis Date = 05/22/03 Pct Recovery = 103% Analysis Date = 05/17/03 Pct Recovery = 103% Analysis Date = 05/17/03 Pct Recovery = 103% Analysis Date = 05/11/03 Pct Recovery = 103% Analysis Date = 05/11/03 Pct Recovery = 103% Analysis Date = 05/06/03 Pct Recovery = 102% Analysis Date = 05/06/03 Pct Recovery = 102% Analysis Date = 05/01/03 Pct Recovery = 102% Analysis Date = 05/01/03 Pct Recovery = 102% Analysis Date = 04/26/03 Pct Recovery = 102% Analysis Date = 04/26/03 Pct Recovery = 102% Analysis Date = 04/20/03 Pct Recovery = 102% Analysis Date = 04/20/03 Pct Recovery = 102% Analysis Date = 04/15/03 Pct Recovery = 102% Analysis Date = 04/15/03 Pct Recovery = 102% Analysis Date = 04/10/03 Pct Recovery = 101% Analysis Date = 04/10/03 Pct Recovery = 101% Analysis Date = 04/04/03 Pct Recovery = 101% Analysis Date = 04/04/03 Pct Recovery = 101% Analysis Date = 03/30/03 Pct Recovery = 101% Analysis Date = 03/30/03 Pct Recovery = 101% Analysis Date = 03/25/03 Pct Recovery = 101% Analysis Date = 03/25/03 Pct Recovery = 101% Analysis Date = 03/20/03 Pct Recovery = 101% Analysis Date = 03/20/03 Pct Recovery = 101% Analysis Date = 03/14/03 Pct Recovery = 101% Analysis Date = 03/14/03 Pct Recovery = 101% Analysis Date = 03/09/03 Pct Recovery = 100% Analysis Date = 03/09/03 Pct Recovery = 100% Analysis Date = 03/04/03 Pct Recovery = 100% Analysis Date = 03/04/03 Pct Recovery = 100% Analysis Date = 02/26/03 Pct Recovery = 100% Analysis Date = 02/26/03 Pct Recovery = 100% Analysis Date = 02/21/03 Pct Recovery = 100% Analysis Date = 02/21/03 Pct Recovery = 100% Analysis Date = 02/16/03 Pct Recovery = 100% Analysis Date = 02/16/03 Pct Recovery = 100% Analysis Date = 02/11/03 Pct Recovery = 100% Analysis Date = 02/11/03 Pct Recovery = 100% Analysis Date = 02/05/03 Pct Recovery = 99% Analysis Date = 02/05/03 Pct Recovery = 99% Analysis Date = 01/31/03 Pct Recovery = 99% Analysis Date = 01/31/03 Pct Recovery = 99% Analysis Date = 01/26/03 Pct Recovery = 99% Analysis Date = 01/26/03 Pct Recovery = 99% Analysis Date = 01/20/03 Pct Recovery = 99% Analysis Date = 01/20/03 Pct Recovery = 99% Analysis Date = 01/15/03 Pct Recovery = 99% Analysis Date = 01/15/03 Pct Recovery = 99% Analysis Date = 01/10/03 Pct Recovery = 98% Analysis Date = 01/10/03 Pct Recovery = 98% Analysis Date = 01/05/03 Pct Recovery = 98% Analysis Date = 01/05/03 Pct Recovery = 98% Analysis Date = 12/30/02 Pct Recovery = 98% Analysis Date = 12/30/02 Pct Recovery = 98% Analysis Date = 12/25/02 Pct Recovery = 98% Analysis Date = 12/25/02 Pct Recovery = 98% Analysis Date = 12/20/02 Pct Recovery = 98% Analysis Date = 12/20/02 Pct Recovery = 98% Analysis Date = 12/14/02 Pct Recovery = 98% Analysis Date = 12/14/02 Pct Recovery = 98% Analysis Date = 12/09/02 Pct Recovery = 97% Analysis Date = 12/09/02 Pct Recovery = 97% Analysis Date = 12/04/02 Pct Recovery = 97% Analysis Date = 12/04/02 Pct Recovery = 97% Analysis Date = 11/29/02 Pct Recovery = 97% Analysis Date = 11/29/02 Pct Recovery = 97% Analysis Date = 11/23/02 Pct Recovery = 97% Analysis Date = 11/23/02 Pct Recovery = 97% Analysis Date = 11/18/02 Pct Recovery = 97% Analysis Date = 11/18/02 Pct Recovery = 97% Analysis Date = 11/13/02 Pct Recovery = 96% Analysis Date = 11/13/02 Pct Recovery = 96% Analysis Date = 11/07/02 Pct Recovery = 96% Analysis Date = 11/07/02 Pct Recovery = 96% Analysis Date = 11/02/02 Pct Recovery = 96% Analysis Date = 11/02/02 Pct Recovery = 96% Analysis Date = 10/28/02 Pct Recovery = 96% Analysis Date = 10/28/02 Pct Recovery = 96% Analysis Date = 10/23/02 Pct Recovery = 96% Analysis Date = 10/23/02 Pct Recovery = 96% Analysis Date = 10/17/02 Pct Recovery = 96% Analysis Date = 10/17/02 Pct Recovery = 96% Analysis Date = 10/12/02 Pct Recovery = 95% Analysis Date = 10/12/02 Pct Recovery = 95% Analysis Date = 10/07/02 Pct Recovery = 95% Analysis Date = 10/07/02 Pct Recovery = 95% Analysis Date = 10/02/02 Pct Recovery = 95% Analysis Date = 10/02/02 Pct Recovery = 95% Analysis Date = 09/26/02 Pct Recovery = 95% Analysis Date = 09/26/02 Pct Recovery = 95% Analysis Date = 09/21/02 Pct Recovery = 95% Analysis Date = 09/21/02 Pct Recovery = 95% Analysis Date = 09/16/02 Pct Recovery = 95% Analysis Date = 09/16/02 Pct Recovery = 95% Analysis Date = 09/10/02 Pct Recovery = 94% Analysis Date = 09/10/02 Pct Recovery = 94% Analysis Date = 09/05/02 Pct Recovery = 94% Analysis Date = 09/05/02 Pct Recovery = 94% Analysis Date = 08/31/02 Pct Recovery = 94% Analysis Date = 08/31/02 Pct Recovery = 94% Analysis Date = 08/26/02 Pct Recovery = 94% Analysis Date = 08/26/02 Pct Recovery = 94% Analysis Date = 08/20/02 Pct Recovery = 94% Analysis Date = 08/20/02 Pct Recovery = 94% Analysis Date = 08/15/02 Pct Recovery = 93% Analysis Date = 08/15/02 Pct Recovery = 93% Analysis Date = 08/10/02 Pct Recovery = 93% Analysis Date = 08/10/02 Pct Recovery = 93% Analysis Date = 08/04/02 Pct Recovery = 93% Analysis Date = 08/04/02 Pct Recovery = 93% Analysis Date = 07/30/02 Pct Recovery = 94% Analysis Date = 07/30/02 Pct Recovery = 94% Analysis Date = 07/25/02 Pct Recovery = 94% Analysis Date = 07/25/02 Pct Recovery = 94% Analysis Date = 07/20/02 Pct Recovery = 95% Analysis Date = 07/20/02 Pct Recovery = 95% Analysis Date = 07/14/02 Pct Recovery = 96% Analysis Date = 07/14/02 Pct Recovery = 96% Analysis Date = 07/09/02 Pct Recovery = 96% Analysis Date = 07/09/02 Pct Recovery = 96% Analysis Date = 07/04/02 Pct Recovery = 97% Analysis Date = 07/04/02 Pct Recovery = 97% Analysis Date = 06/28/02 Pct Recovery = 97% Analysis Date = 06/28/02 Pct Recovery = 97% Analysis Date = 06/23/02 Pct Recovery = 98% Analysis Date = 06/23/02 Pct Recovery = 98% Analysis Date = 06/18/02 Pct Recovery = 99% Analysis Date = 06/18/02 Pct Recovery = 99% Analysis Date = 06/13/02 Pct Recovery = 99% Analysis Date = 06/13/02 Pct Recovery = 99% Analysis Date = 06/07/02 Pct Recovery = 100% Analysis Date = 06/07/02 Pct Recovery = 100% Analysis Date = 06/02/02 Pct Recovery = 100% Analysis Date = 06/02/02 Pct Recovery = 100% Analysis Date = 05/28/02 Pct Recovery = 101% Analysis Date = 05/28/02 Pct Recovery = 101% Analysis Date = 05/22/02 Pct Recovery = 101% Analysis Date = 05/22/02 Pct Recovery = 101% Analysis Date = 05/17/02 Pct Recovery = 102% Analysis Date = 05/17/02 Pct Recovery = 102% Analysis Date = 05/12/02 Pct Recovery = 102% Analysis Date = 05/12/02 Pct Recovery = 102% Analysis Date = 05/07/02 Pct Recovery = 103% Analysis Date = 05/07/02 Pct Recovery = 103% Analysis Date = 05/01/02 Pct Recovery = 103% Analysis Date = 05/01/02 Pct Recovery = 103% Analysis Date = 04/26/02 Pct Recovery = 103% Analysis Date = 04/26/02 Pct Recovery = 103% Analysis Date = 04/21/02 Pct Recovery = 103% Analysis Date = 04/21/02 Pct Recovery = 103% Analysis Date = 04/15/02 Pct Recovery = 103% Analysis Date = 04/15/02 Pct Recovery = 103% Analysis Date = 04/10/02 Pct Recovery = 103% Analysis Date = 04/10/02 Pct Recovery = 103% Analysis Date = 04/05/02 Pct Recovery = 103% Analysis Date = 04/05/02 Pct Recovery = 103% Analysis Date = 03/31/02 Pct Recovery = 103% Analysis Date = 03/31/02 Pct Recovery = 103% Analysis Date = 03/25/02 Pct Recovery = 103% Analysis Date = 03/25/02 Pct Recovery = 103% Analysis Date = 03/20/02 Pct Recovery = 103% Analysis Date = 03/20/02 Pct Recovery = 103% Analysis Date = 03/15/02 Pct Recovery = 103% Analysis Date = 03/15/02 Pct Recovery = 103% Analysis Date = 03/09/02 Pct Recovery = 103% Analysis Date = 03/09/02 Pct Recovery = 103% Analysis Date = 03/04/02 Pct Recovery = 103% Analysis Date = 03/04/02 Pct Recovery = 103% Analysis Date = 02/27/02 Pct Recovery = 103% Analysis Date = 02/27/02 Pct Recovery = 103% Analysis Date = 02/22/02 Pct Recovery = 103% Analysis Date = 02/22/02 Pct Recovery = 103% Analysis Date = 02/16/02 Pct Recovery = 103% Analysis Date = 02/16/02 Pct Recovery = 103% Analysis Date = 02/11/02 Pct Recovery = 103% Analysis Date = 02/11/02 Pct Recovery = 103% Analysis Date = 02/06/02 Pct Recovery = 103% Analysis Date = 02/06/02 Pct Recovery = 103% Analysis Date = 01/31/02 Pct Recovery = 103% Analysis Date = 01/31/02 Pct Recovery = 103% Analysis Date = 01/26/02 Pct Recovery = 103% Analysis Date = 01/26/02 Pct Recovery = 103% Analysis Date = 01/21/02 Pct Recovery = 103% Analysis Date = 01/21/02 Pct Recovery = 103% Analysis Date = 01/16/02 Pct Recovery = 103% Analysis Date = 01/16/02 Pct Recovery = 103% Analysis Date = 01/10/02 Pct Recovery = 103% Analysis Date = 01/10/02 Pct Recovery = 103% Analysis Date = 01/05/02 Pct Recovery = 103% Analysis Date = 01/05/02 Pct Recovery = 103% Analysis Date = 12/31/01 Pct Recovery = 103% Analysis Date = 12/31/01 Pct Recovery = 103% Analysis Date = 12/26/01 Pct Recovery = 103% Analysis Date = 12/26/01 Pct Recovery = 103% Analysis Date = 12/20/01 Pct Recovery = 103% Analysis Date = 12/20/01 Pct Recovery = 103% Analysis Date = 12/15/01 Pct Recovery = 103% Analysis Date = 12/15/01 Pct Recovery = 103% Analysis Date = 12/10/01 Pct Recovery = 103% Analysis Date = 12/10/01 Pct Recovery = 103% Analysis Date = 12/04/01 Pct Recovery = 103% Analysis Date = 12/04/01 Pct Recovery = 103% Analysis Date = 11/29/01 Pct Recovery = 103% Analysis Date = 11/29/01 Pct Recovery = 103% Analysis Date = 11/24/01 Pct Recovery = 103% Analysis Date = 11/24/01 Pct Recovery = 103% Analysis Date = 11/19/01 Pct Recovery = 103% Analysis Date = 11/19/01 Pct Recovery = 103% Analysis Date = 11/13/01 Pct Recovery = 103% Analysis Date = 11/13/01 Pct Recovery = 103% Analysis Date = 11/08/01 Pct Recovery = 103% Analysis Date = 11/08/01 Pct Recovery = 103% Analysis Date = 11/03/01 Pct Recovery = 103% Analysis Date = 11/03/01 Pct Recovery = 103% Analysis Date = 10/28/01 Pct Recovery = 103% Analysis Date = 10/28/01 Pct Recovery = 103% Analysis Date = 10/23/01 Pct Recovery = 103% Analysis Date = 10/23/01 Pct Recovery = 103% Analysis Date = 10/18/01 Pct Recovery = 103% Analysis Date = 10/18/01 Pct Recovery = 103% Analysis Date = 10/13/01 Pct Recovery = 103% Analysis Date = 10/13/01 Pct Recovery = 103% Analysis Date = 10/07/01 Pct Recovery = 103% Analysis Date = 10/07/01 Pct Recovery = 103% Analysis Date = 10/02/01 Pct Recovery = 103% Analysis Date = 10/02/01 Pct Recovery = 103% Analysis Date = 09/27/01 Pct Recovery = 103% Analysis Date = 09/27/01 Pct Recovery = 103% Analysis Date = 09/21/01 Pct Recovery = 102% Analysis Date = 09/21/01 Pct Recovery = 102% Analysis Date = 09/16/01 Pct Recovery = 102% Analysis Date = 09/16/01 Pct Recovery = 102% Analysis Date = 09/11/01 Pct Recovery = 102% Analysis Date = 09/11/01 Pct Recovery = 102% Analysis Date = 09/06/01 Pct Recovery = 102% Analysis Date = 09/06/01 Pct Recovery = 102% Analysis Date = 08/31/01 Pct Recovery = 102% Analysis Date = 08/31/01 Pct Recovery = 102% Analysis Date = 08/26/01 Pct Recovery = 102% Analysis Date = 08/26/01 Pct Recovery = 102% Analysis Date = 08/21/01 Pct Recovery = 102% Analysis Date = 08/21/01 Pct Recovery = 102% Analysis Date = 08/15/01 Pct Recovery = 102% Analysis Date = 08/15/01 Pct Recovery = 102% Analysis Date = 08/10/01 Pct Recovery = 102% Analysis Date = 08/10/01 Pct Recovery = 102% Analysis Date = 08/05/01 Pct Recovery = 102% Analysis Date = 08/05/01 Pct Recovery = 102% Analysis Date = 07/31/01 Pct Recovery = 102% Analysis Date = 07/31/01 Pct Recovery = 102% Analysis Date = 07/25/01 Pct Recovery = 102% Analysis Date = 07/25/01 Pct Recovery = 102% Analysis Date = 07/20/01 Pct Recovery = 102% Analysis Date = 07/20/01 Pct Recovery = 102% Analysis Date = 07/15/01 Pct Recovery = 102% Analysis Date = 07/15/01 Pct Recovery = 102% Analysis Date = 07/09/01 Pct Recovery = 102% Analysis Date = 07/09/01 Pct Recovery = 102% Analysis Date = 07/04/01 Pct Recovery = 102% Analysis Date = 07/04/01 Pct Recovery = 102% Analysis Date = 06/29/01 Pct Recovery = 102% Analysis Date = 06/29/01 Pct Recovery = 102% Analysis Date = 06/24/01 Pct Recovery = 102% Analysis Date = 06/24/01 Pct Recovery = 102% Analysis Date = 06/18/01 Pct Recovery = 102% Analysis Date = 06/18/01 Pct Recovery = 102% Analysis Date = 06/13/01 Pct Recovery = 102% Analysis Date = 06/13/01 Pct Recovery = 102% Analysis Date = 06/08/01 Pct Recovery = 102% Analysis Date = 06/08/01 Pct Recovery = 102% Analysis Date = 06/02/01 Pct Recovery = 102% Analysis Date = 06/02/01 Pct Recovery = 102% Analysis Date = 05/28/01 Pct Recovery = 102% Analysis Date = 05/28/01 Pct Recovery = 102% Analysis Date = 05/23/01 Pct Recovery = 102% Analysis Date = 05/23/01 Pct Recovery = 102% Analysis Date = 05/18/01 Pct Recovery = 102% Analysis Date = 05/18/01 Pct Recovery = 102% Analysis Date = 05/12/01 Pct Recovery = 102% Analysis Date = 05/12/01 Pct Recovery = 102% Analysis Date = 05/07/01 Pct Recovery = 102% Analysis Date = 05/07/01 Pct Recovery = 102% Analysis Date = 05/02/01 Pct Recovery = 102% Analysis Date = 05/02/01 Pct Recovery = 102% Analysis Date = 04/26/01 Pct Recovery = 102% Analysis Date = 04/26/01 Pct Recovery = 102% Analysis Date = 04/21/01 Pct Recovery = 102% Analysis Date = 04/21/01 Pct Recovery = 102% Analysis Date = 04/16/01 Pct Recovery = 102% Analysis Date = 04/16/01 Pct Recovery = 102% Analysis Date = 04/11/01 Pct Recovery = 102% Analysis Date = 04/11/01 Pct Recovery = 102% Analysis Date = 04/05/01 Pct Recovery = 102% Analysis Date = 04/05/01 Pct Recovery = 102% Analysis Date = 03/31/01 Pct Recovery = 102% Analysis Date = 03/31/01 Pct Recovery = 102% Analysis Date = 03/26/01 Pct Recovery = 102% Analysis Date = 03/26/01 Pct Recovery = 102% Analysis Date = 03/21/01 Pct Recovery = 102% Analysis Date = 03/21/01 Pct Recovery = 102% Analysis Date = 03/15/01 Pct Recovery = 102% Analysis Date = 03/15/01 Pct Recovery = 102% Analysis Date = 03/10/01 Pct Recovery = 102% Analysis Date = 03/10/01 Pct Recovery = 102% Analysis Date = 03/05/01 Pct Recovery = 102% Analysis Date = 03/05/01 Pct Recovery = 102% Analysis Date = 02/27/01 Pct Recovery = 102% Analysis Date = 02/27/01 Pct Recovery = 102% Analysis Date = 02/22/01 Pct Recovery = 102% Analysis Date = 02/22/01 Pct Recovery = 102% Analysis Date = 02/17/01 Pct Recovery = 102% Analysis Date = 02/17/01 Pct Recovery = 102% Analysis Date = 02/12/01 Pct Recovery = 102% Analysis Date = 02/12/01 Pct Recovery = 102% Analysis Date = 02/06/01 Pct Recovery = 102% Analysis Date = 02/06/01 Pct Recovery = 102% Analysis Date = 02/01/01 Pct Recovery = 102% Analysis Date = 02/01/01 Pct Recovery = 102% Analysis Date = 01/27/01 Pct Recovery = 102% Analysis Date = 01/27/01 Pct Recovery = 102% Analysis Date = 01/21/01 Pct Recovery = 102% Analysis Date = 01/21/01 Pct Recovery = 102% Analysis Date = 01/16/01 Pct Recovery = 102% Analysis Date = 01/16/01 Pct Recovery = 102% Analysis Date = 01/11/01 Pct Recovery = 102% Analysis Date = 01/11/01 Pct Recovery = 102% Analysis Date = 01/06/01 Pct Recovery = 102% Analysis Date = 01/06/01 Pct Recovery = 102% Analysis Date = 12/31/00 Pct Recovery = 102% Analysis Date = 12/31/00 Pct Recovery = 102% Analysis Date = 12/26/00 Pct Recovery = 102% Analysis Date = 12/26/00 Pct Recovery = 102% Analysis Date = 12/21/00 Pct Recovery = 102% Analysis Date = 12/21/00 Pct Recovery = 102% Analysis Date = 12/15/00 Pct Recovery = 102% Analysis Date = 12/15/00 Pct Recovery = 102% Analysis Date = 12/10/00 Pct Recovery = 101% Analysis Date = 12/10/00 Pct Recovery = 101% Analysis Date = 12/05/00 Pct Recovery = 101% Analysis Date = 12/05/00 Pct Recovery = 101% Analysis Date = 11/30/00 Pct Recovery = 101% Analysis Date = 11/30/00 Pct Recovery = 101% Analysis Date = 11/24/00 Pct Recovery = 101% Analysis Date = 11/24/00 Pct Recovery = 101% Analysis Date = 11/19/00 Pct Recovery = 101% Analysis Date = 11/19/00 Pct Recovery = 101% Analysis Date = 11/14/00 Pct Recovery = 101% Analysis Date = 11/14/00 Pct Recovery = 101% Analysis Date = 11/08/00 Pct Recovery = 101% Analysis Date = 11/08/00 Pct Recovery = 101% Analysis Date = 11/03/00 Pct Recovery = 101% Analysis Date = 11/03/00 Pct Recovery = 101% Analysis Date = 10/29/00 Pct Recovery = 101% Analysis Date = 10/29/00 Pct Recovery = 101% Analysis Date = 10/24/00 Pct Recovery = 101% Analysis Date = 10/24/00 Pct Recovery = 101% Analysis Date = 10/18/00 Pct Recovery = 101% Analysis Date = 10/18/00 Pct Recovery = 101% Analysis Date = 10/13/00 Pct Recovery = 101% Analysis Date = 10/13/00 Pct Recovery = 101% Analysis Date = 10/08/00 Pct Recovery = 101% Analysis Date = 10/08/00 Pct Recovery = 101% Analysis Date = 10/02/00 Pct Recovery = 101% Analysis Date = 10/02/00 Pct Recovery = 101% Analysis Date = 09/27/00 Pct Recovery = 101% Analysis Date = 09/27/00 Pct Recovery = 101% Analysis Date = 09/22/00 Pct Recovery = 101% Analysis Date = 09/22/00 Pct Recovery = 101% Analysis Date = 09/17/00 Pct Recovery = 100% Analysis Date = 09/17/00 Pct Recovery = 100% Analysis Date = 09/11/00 Pct Recovery = 100% Analysis Date = 09/11/00 Pct Recovery = 100% Analysis Date = 09/06/00 Pct Recovery = 100% Analysis Date = 09/06/00 Pct Recovery = 100% Analysis Date = 09/01/00 Pct Recovery = 100% Analysis Date = 09/01/00 Pct Recovery = 100% Analysis Date = 08/26/00 Pct Recovery = 100% Analysis Date = 08/26/00 Pct Recovery = 100% Analysis Date = 08/21/00 Pct Recovery = 100% Analysis Date = 08/21/00 Pct Recovery = 100% Analysis Date = 08/16/00 Pct Recovery = 100% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
O-ETHYL TOLUENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 11 102% 8% 105% 12%
Total 11 102% 8% 105% 12%

Sample Statistics
O-ETHYL TOLUENE

Characteristic N % % Basis
Plotted 11 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 11 .  
False Negatives 0 0% 0 out of 11
Not Spiked 25 .  
False Positives 0 0% 0 out of 25

BQS OBSP Determination:
O-XYLENE
METHOD: 4054 , TESTIDCODE: 77135GCM66
Open Data Set

Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 97% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 118% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 88% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 111% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 95% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 96% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 86% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 97% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 103% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 93% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 126% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 90% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 97% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 106% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 92% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 97% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 102% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 102% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 98% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 99% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 108% Analysis Date = 08/24/01 Pct Recovery = 104% Analysis Date = 08/22/01 Pct Recovery = 104% Analysis Date = 08/22/01 Pct Recovery = 104% Analysis Date = 08/19/01 Pct Recovery = 104% Analysis Date = 08/19/01 Pct Recovery = 104% Analysis Date = 08/16/01 Pct Recovery = 103% Analysis Date = 08/16/01 Pct Recovery = 103% Analysis Date = 08/13/01 Pct Recovery = 103% Analysis Date = 08/13/01 Pct Recovery = 103% Analysis Date = 08/10/01 Pct Recovery = 103% Analysis Date = 08/10/01 Pct Recovery = 103% Analysis Date = 08/07/01 Pct Recovery = 103% Analysis Date = 08/07/01 Pct Recovery = 103% Analysis Date = 08/04/01 Pct Recovery = 103% Analysis Date = 08/04/01 Pct Recovery = 103% Analysis Date = 08/01/01 Pct Recovery = 103% Analysis Date = 08/01/01 Pct Recovery = 103% Analysis Date = 07/29/01 Pct Recovery = 103% Analysis Date = 07/29/01 Pct Recovery = 103% Analysis Date = 07/26/01 Pct Recovery = 103% Analysis Date = 07/26/01 Pct Recovery = 103% Analysis Date = 07/23/01 Pct Recovery = 103% Analysis Date = 07/23/01 Pct Recovery = 103% Analysis Date = 07/20/01 Pct Recovery = 103% Analysis Date = 07/20/01 Pct Recovery = 103% Analysis Date = 07/17/01 Pct Recovery = 103% Analysis Date = 07/17/01 Pct Recovery = 103% Analysis Date = 07/14/01 Pct Recovery = 103% Analysis Date = 07/14/01 Pct Recovery = 103% Analysis Date = 07/11/01 Pct Recovery = 103% Analysis Date = 07/11/01 Pct Recovery = 103% Analysis Date = 07/08/01 Pct Recovery = 103% Analysis Date = 07/08/01 Pct Recovery = 103% Analysis Date = 07/05/01 Pct Recovery = 103% Analysis Date = 07/05/01 Pct Recovery = 103% Analysis Date = 07/02/01 Pct Recovery = 103% Analysis Date = 07/02/01 Pct Recovery = 103% Analysis Date = 06/29/01 Pct Recovery = 103% Analysis Date = 06/29/01 Pct Recovery = 103% Analysis Date = 06/26/01 Pct Recovery = 103% Analysis Date = 06/26/01 Pct Recovery = 103% Analysis Date = 06/23/01 Pct Recovery = 103% Analysis Date = 06/23/01 Pct Recovery = 103% Analysis Date = 06/20/01 Pct Recovery = 103% Analysis Date = 06/20/01 Pct Recovery = 103% Analysis Date = 06/17/01 Pct Recovery = 103% Analysis Date = 06/17/01 Pct Recovery = 103% Analysis Date = 06/15/01 Pct Recovery = 103% Analysis Date = 06/15/01 Pct Recovery = 103% Analysis Date = 06/12/01 Pct Recovery = 103% Analysis Date = 06/12/01 Pct Recovery = 103% Analysis Date = 06/09/01 Pct Recovery = 103% Analysis Date = 06/09/01 Pct Recovery = 103% Analysis Date = 06/06/01 Pct Recovery = 103% Analysis Date = 06/06/01 Pct Recovery = 103% Analysis Date = 06/03/01 Pct Recovery = 103% Analysis Date = 06/03/01 Pct Recovery = 103% Analysis Date = 05/31/01 Pct Recovery = 103% Analysis Date = 05/31/01 Pct Recovery = 103% Analysis Date = 05/28/01 Pct Recovery = 103% Analysis Date = 05/28/01 Pct Recovery = 103% Analysis Date = 05/25/01 Pct Recovery = 103% Analysis Date = 05/25/01 Pct Recovery = 103% Analysis Date = 05/22/01 Pct Recovery = 103% Analysis Date = 05/22/01 Pct Recovery = 103% Analysis Date = 05/19/01 Pct Recovery = 103% Analysis Date = 05/19/01 Pct Recovery = 103% Analysis Date = 05/16/01 Pct Recovery = 103% Analysis Date = 05/16/01 Pct Recovery = 103% Analysis Date = 05/13/01 Pct Recovery = 102% Analysis Date = 05/13/01 Pct Recovery = 102% Analysis Date = 05/10/01 Pct Recovery = 102% Analysis Date = 05/10/01 Pct Recovery = 102% Analysis Date = 05/07/01 Pct Recovery = 102% Analysis Date = 05/07/01 Pct Recovery = 102% Analysis Date = 05/04/01 Pct Recovery = 102% Analysis Date = 05/04/01 Pct Recovery = 102% Analysis Date = 05/01/01 Pct Recovery = 102% Analysis Date = 05/01/01 Pct Recovery = 102% Analysis Date = 04/28/01 Pct Recovery = 102% Analysis Date = 04/28/01 Pct Recovery = 102% Analysis Date = 04/25/01 Pct Recovery = 102% Analysis Date = 04/25/01 Pct Recovery = 102% Analysis Date = 04/22/01 Pct Recovery = 102% Analysis Date = 04/22/01 Pct Recovery = 102% Analysis Date = 04/19/01 Pct Recovery = 102% Analysis Date = 04/19/01 Pct Recovery = 102% Analysis Date = 04/16/01 Pct Recovery = 102% Analysis Date = 04/16/01 Pct Recovery = 102% Analysis Date = 04/13/01 Pct Recovery = 102% Analysis Date = 04/13/01 Pct Recovery = 102% Analysis Date = 04/10/01 Pct Recovery = 102% Analysis Date = 04/10/01 Pct Recovery = 102% Analysis Date = 04/08/01 Pct Recovery = 102% Analysis Date = 04/08/01 Pct Recovery = 102% Analysis Date = 04/05/01 Pct Recovery = 102% Analysis Date = 04/05/01 Pct Recovery = 102% Analysis Date = 04/02/01 Pct Recovery = 102% Analysis Date = 04/02/01 Pct Recovery = 102% Analysis Date = 03/30/01 Pct Recovery = 102% Analysis Date = 03/30/01 Pct Recovery = 102% Analysis Date = 03/27/01 Pct Recovery = 102% Analysis Date = 03/27/01 Pct Recovery = 102% Analysis Date = 03/24/01 Pct Recovery = 102% Analysis Date = 03/24/01 Pct Recovery = 102% Analysis Date = 03/21/01 Pct Recovery = 102% Analysis Date = 03/21/01 Pct Recovery = 102% Analysis Date = 03/18/01 Pct Recovery = 102% Analysis Date = 03/18/01 Pct Recovery = 102% Analysis Date = 03/15/01 Pct Recovery = 102% Analysis Date = 03/15/01 Pct Recovery = 102% Analysis Date = 03/12/01 Pct Recovery = 102% Analysis Date = 03/12/01 Pct Recovery = 102% Analysis Date = 03/09/01 Pct Recovery = 102% Analysis Date = 03/09/01 Pct Recovery = 102% Analysis Date = 03/06/01 Pct Recovery = 102% Analysis Date = 03/06/01 Pct Recovery = 102% Analysis Date = 03/03/01 Pct Recovery = 102% Analysis Date = 03/03/01 Pct Recovery = 102% Analysis Date = 02/28/01 Pct Recovery = 101% Analysis Date = 02/28/01 Pct Recovery = 101% Analysis Date = 02/25/01 Pct Recovery = 101% Analysis Date = 02/25/01 Pct Recovery = 101% Analysis Date = 02/22/01 Pct Recovery = 101% Analysis Date = 02/22/01 Pct Recovery = 101% Analysis Date = 02/19/01 Pct Recovery = 101% Analysis Date = 02/19/01 Pct Recovery = 101% Analysis Date = 02/16/01 Pct Recovery = 101% Analysis Date = 02/16/01 Pct Recovery = 101% Analysis Date = 02/13/01 Pct Recovery = 101% Analysis Date = 02/13/01 Pct Recovery = 101% Analysis Date = 02/10/01 Pct Recovery = 101% Analysis Date = 02/10/01 Pct Recovery = 101% Analysis Date = 02/07/01 Pct Recovery = 101% Analysis Date = 02/07/01 Pct Recovery = 101% Analysis Date = 02/04/01 Pct Recovery = 101% Analysis Date = 02/04/01 Pct Recovery = 101% Analysis Date = 02/01/01 Pct Recovery = 101% Analysis Date = 02/01/01 Pct Recovery = 101% Analysis Date = 01/30/01 Pct Recovery = 100% Analysis Date = 01/30/01 Pct Recovery = 100% Analysis Date = 01/27/01 Pct Recovery = 100% Analysis Date = 01/27/01 Pct Recovery = 100% Analysis Date = 01/24/01 Pct Recovery = 100% Analysis Date = 01/24/01 Pct Recovery = 100% Analysis Date = 01/21/01 Pct Recovery = 100% Analysis Date = 01/21/01 Pct Recovery = 100% Analysis Date = 01/18/01 Pct Recovery = 100% Analysis Date = 01/18/01 Pct Recovery = 100% Analysis Date = 01/15/01 Pct Recovery = 100% Analysis Date = 01/15/01 Pct Recovery = 100% Analysis Date = 01/12/01 Pct Recovery = 100% Analysis Date = 01/12/01 Pct Recovery = 100% Analysis Date = 01/09/01 Pct Recovery = 100% Analysis Date = 01/09/01 Pct Recovery = 100% Analysis Date = 01/06/01 Pct Recovery = 100% Analysis Date = 01/06/01 Pct Recovery = 100% Analysis Date = 01/03/01 Pct Recovery = 100% Analysis Date = 01/03/01 Pct Recovery = 100% Analysis Date = 12/31/00 Pct Recovery = 100% Analysis Date = 12/31/00 Pct Recovery = 100% Analysis Date = 12/28/00 Pct Recovery = 99% Analysis Date = 12/28/00 Pct Recovery = 99% Analysis Date = 12/25/00 Pct Recovery = 99% Analysis Date = 12/25/00 Pct Recovery = 99% Analysis Date = 12/22/00 Pct Recovery = 99% Analysis Date = 12/22/00 Pct Recovery = 99% Analysis Date = 12/19/00 Pct Recovery = 99% Analysis Date = 12/19/00 Pct Recovery = 99% Analysis Date = 12/16/00 Pct Recovery = 99% Analysis Date = 12/16/00 Pct Recovery = 99% Analysis Date = 12/13/00 Pct Recovery = 99% Analysis Date = 12/13/00 Pct Recovery = 99% Analysis Date = 12/10/00 Pct Recovery = 99% Analysis Date = 12/10/00 Pct Recovery = 99% Analysis Date = 12/07/00 Pct Recovery = 99% Analysis Date = 12/07/00 Pct Recovery = 99% Analysis Date = 12/04/00 Pct Recovery = 99% Analysis Date = 12/04/00 Pct Recovery = 99% Analysis Date = 12/01/00 Pct Recovery = 99% Analysis Date = 12/01/00 Pct Recovery = 99% Analysis Date = 11/28/00 Pct Recovery = 99% Analysis Date = 11/28/00 Pct Recovery = 99% Analysis Date = 11/25/00 Pct Recovery = 98% Analysis Date = 11/25/00 Pct Recovery = 98% Analysis Date = 11/23/00 Pct Recovery = 98% Analysis Date = 11/23/00 Pct Recovery = 98% Analysis Date = 11/20/00 Pct Recovery = 98% Analysis Date = 11/20/00 Pct Recovery = 98% Analysis Date = 11/17/00 Pct Recovery = 98% Analysis Date = 11/17/00 Pct Recovery = 98% Analysis Date = 11/14/00 Pct Recovery = 98% Analysis Date = 11/14/00 Pct Recovery = 98% Analysis Date = 11/11/00 Pct Recovery = 98% Analysis Date = 11/11/00 Pct Recovery = 98% Analysis Date = 11/08/00 Pct Recovery = 98% Analysis Date = 11/08/00 Pct Recovery = 98% Analysis Date = 11/05/00 Pct Recovery = 99% Analysis Date = 11/05/00 Pct Recovery = 99% Analysis Date = 11/02/00 Pct Recovery = 99% Analysis Date = 11/02/00 Pct Recovery = 99% Analysis Date = 10/30/00 Pct Recovery = 99% Analysis Date = 10/30/00 Pct Recovery = 99% Analysis Date = 10/27/00 Pct Recovery = 99% Analysis Date = 10/27/00 Pct Recovery = 99% Analysis Date = 10/24/00 Pct Recovery = 99% Analysis Date = 10/24/00 Pct Recovery = 99% Analysis Date = 10/21/00 Pct Recovery = 99% Analysis Date = 10/21/00 Pct Recovery = 99% Analysis Date = 10/18/00 Pct Recovery = 100% Analysis Date = 10/18/00 Pct Recovery = 100% Analysis Date = 10/15/00 Pct Recovery = 100% Analysis Date = 10/15/00 Pct Recovery = 100% Analysis Date = 10/12/00 Pct Recovery = 100% Analysis Date = 10/12/00 Pct Recovery = 100% Analysis Date = 10/09/00 Pct Recovery = 100% Analysis Date = 10/09/00 Pct Recovery = 100% Analysis Date = 10/06/00 Pct Recovery = 100% Analysis Date = 10/06/00 Pct Recovery = 100% Analysis Date = 10/03/00 Pct Recovery = 100% Analysis Date = 10/03/00 Pct Recovery = 100% Analysis Date = 09/30/00 Pct Recovery = 100% Analysis Date = 09/30/00 Pct Recovery = 100% Analysis Date = 09/27/00 Pct Recovery = 100% Analysis Date = 09/27/00 Pct Recovery = 100% Analysis Date = 09/24/00 Pct Recovery = 100% Analysis Date = 09/24/00 Pct Recovery = 100% Analysis Date = 09/21/00 Pct Recovery = 100% Analysis Date = 09/21/00 Pct Recovery = 100% Analysis Date = 09/18/00 Pct Recovery = 100% Analysis Date = 09/18/00 Pct Recovery = 100% Analysis Date = 09/15/00 Pct Recovery = 100% Analysis Date = 09/15/00 Pct Recovery = 100% Analysis Date = 09/13/00 Pct Recovery = 100% Analysis Date = 09/13/00 Pct Recovery = 100% Analysis Date = 09/10/00 Pct Recovery = 100% Analysis Date = 09/10/00 Pct Recovery = 100% Analysis Date = 09/07/00 Pct Recovery = 100% Analysis Date = 09/07/00 Pct Recovery = 100% Analysis Date = 09/04/00 Pct Recovery = 100% Analysis Date = 09/04/00 Pct Recovery = 100% Analysis Date = 09/01/00 Pct Recovery = 100% Analysis Date = 09/01/00 Pct Recovery = 100% Analysis Date = 08/29/00 Pct Recovery = 100% Analysis Date = 08/29/00 Pct Recovery = 100% Analysis Date = 08/26/00 Pct Recovery = 100% Analysis Date = 08/26/00 Pct Recovery = 100% Analysis Date = 08/23/00 Pct Recovery = 100% Analysis Date = 08/23/00 Pct Recovery = 100% Analysis Date = 08/20/00 Pct Recovery = 99% Analysis Date = 08/20/00 Pct Recovery = 99% Analysis Date = 08/17/00 Pct Recovery = 99% Analysis Date = 08/17/00 Pct Recovery = 99% Analysis Date = 08/14/00 Pct Recovery = 99% Analysis Date = 08/14/00 Pct Recovery = 99% Analysis Date = 08/11/00 Pct Recovery = 99% Analysis Date = 08/11/00 Pct Recovery = 99% Analysis Date = 08/08/00 Pct Recovery = 99% Analysis Date = 08/08/00 Pct Recovery = 99% Analysis Date = 08/05/00 Pct Recovery = 99% Analysis Date = 08/05/00 Pct Recovery = 99% Analysis Date = 08/02/00 Pct Recovery = 99% Analysis Date = 08/02/00 Pct Recovery = 99% Analysis Date = 07/30/00 Pct Recovery = 99% Analysis Date = 07/30/00 Pct Recovery = 99% Analysis Date = 07/27/00 Pct Recovery = 99% Analysis Date = 07/27/00 Pct Recovery = 99% Analysis Date = 07/24/00 Pct Recovery = 99% Analysis Date = 07/24/00 Pct Recovery = 99% Analysis Date = 07/21/00 Pct Recovery = 99% Analysis Date = 07/21/00 Pct Recovery = 99% Analysis Date = 07/18/00 Pct Recovery = 99% Analysis Date = 07/18/00 Pct Recovery = 99% Analysis Date = 07/15/00 Pct Recovery = 99% Analysis Date = 07/15/00 Pct Recovery = 99% Analysis Date = 07/12/00 Pct Recovery = 99% Analysis Date = 07/12/00 Pct Recovery = 99% Analysis Date = 07/09/00 Pct Recovery = 99% Analysis Date = 07/09/00 Pct Recovery = 99% Analysis Date = 07/07/00 Pct Recovery = 99% Analysis Date = 07/07/00 Pct Recovery = 99% Analysis Date = 07/04/00 Pct Recovery = 99% Analysis Date = 07/04/00 Pct Recovery = 99% Analysis Date = 07/01/00 Pct Recovery = 99% Analysis Date = 07/01/00 Pct Recovery = 99% Analysis Date = 06/28/00 Pct Recovery = 99% Analysis Date = 06/28/00 Pct Recovery = 99% Analysis Date = 06/25/00 Pct Recovery = 99% Analysis Date = 06/25/00 Pct Recovery = 99% Analysis Date = 06/22/00 Pct Recovery = 99% Analysis Date = 06/22/00 Pct Recovery = 99% Analysis Date = 06/19/00 Pct Recovery = 99% Analysis Date = 06/19/00 Pct Recovery = 99% Analysis Date = 06/16/00 Pct Recovery = 99% Analysis Date = 06/16/00 Pct Recovery = 99% Analysis Date = 06/13/00 Pct Recovery = 99% Analysis Date = 06/13/00 Pct Recovery = 99% Analysis Date = 06/10/00 Pct Recovery = 99% Analysis Date = 06/10/00 Pct Recovery = 99% Analysis Date = 06/07/00 Pct Recovery = 99% Analysis Date = 06/07/00 Pct Recovery = 99% Analysis Date = 06/04/00 Pct Recovery = 99% Analysis Date = 06/04/00 Pct Recovery = 99% Analysis Date = 06/01/00 Pct Recovery = 99% Analysis Date = 06/01/00 Pct Recovery = 99% Analysis Date = 05/29/00 Pct Recovery = 99% Analysis Date = 05/29/00 Pct Recovery = 99% Analysis Date = 05/26/00 Pct Recovery = 99% Analysis Date = 05/26/00 Pct Recovery = 99% Analysis Date = 05/23/00 Pct Recovery = 99% Analysis Date = 05/23/00 Pct Recovery = 99% Analysis Date = 05/20/00 Pct Recovery = 99% Analysis Date = 05/20/00 Pct Recovery = 99% Analysis Date = 05/17/00 Pct Recovery = 99% Analysis Date = 05/17/00 Pct Recovery = 99% Analysis Date = 05/14/00 Pct Recovery = 99% Analysis Date = 05/14/00 Pct Recovery = 99% Analysis Date = 05/11/00 Pct Recovery = 99% Analysis Date = 05/11/00 Pct Recovery = 99% Analysis Date = 05/08/00 Pct Recovery = 99% Analysis Date = 05/08/00 Pct Recovery = 99% Analysis Date = 05/05/00 Pct Recovery = 99% Analysis Date = 05/05/00 Pct Recovery = 99% Analysis Date = 05/02/00 Pct Recovery = 99% Analysis Date = 05/02/00 Pct Recovery = 99% Analysis Date = 04/30/00 Pct Recovery = 99% Analysis Date = 04/30/00 Pct Recovery = 99% Analysis Date = 04/27/00 Pct Recovery = 99% Analysis Date = 04/27/00 Pct Recovery = 99% Analysis Date = 04/24/00 Pct Recovery = 99% Analysis Date = 04/24/00 Pct Recovery = 99% Analysis Date = 04/21/00 Pct Recovery = 99% Analysis Date = 04/21/00 Pct Recovery = 99% Analysis Date = 04/18/00 Pct Recovery = 99% Analysis Date = 04/18/00 Pct Recovery = 99% Analysis Date = 04/15/00 Pct Recovery = 98% Analysis Date = 04/15/00 Pct Recovery = 98% Analysis Date = 04/12/00 Pct Recovery = 98% Analysis Date = 04/12/00 Pct Recovery = 98% Analysis Date = 04/09/00 Pct Recovery = 98% Analysis Date = 04/09/00 Pct Recovery = 98% Analysis Date = 04/06/00 Pct Recovery = 98% Analysis Date = 04/06/00 Pct Recovery = 98% Analysis Date = 04/03/00 Pct Recovery = 98% Analysis Date = 04/03/00 Pct Recovery = 98% Analysis Date = 03/31/00 Pct Recovery = 98% Analysis Date = 03/31/00 Pct Recovery = 98% Analysis Date = 03/28/00 Pct Recovery = 98% Analysis Date = 03/28/00 Pct Recovery = 98% Analysis Date = 03/25/00 Pct Recovery = 97% Analysis Date = 03/25/00 Pct Recovery = 97% Analysis Date = 03/22/00 Pct Recovery = 97% Analysis Date = 03/22/00 Pct Recovery = 97% Analysis Date = 03/19/00 Pct Recovery = 98% Analysis Date = 03/19/00 Pct Recovery = 98% Analysis Date = 03/16/00 Pct Recovery = 98% Analysis Date = 03/16/00 Pct Recovery = 98% Analysis Date = 03/13/00 Pct Recovery = 98% Analysis Date = 03/13/00 Pct Recovery = 98% Analysis Date = 03/10/00 Pct Recovery = 98% Analysis Date = 03/10/00 Pct Recovery = 98% Analysis Date = 03/07/00 Pct Recovery = 99% Analysis Date = 03/07/00 Pct Recovery = 99% Analysis Date = 03/04/00 Pct Recovery = 99% Analysis Date = 03/04/00 Pct Recovery = 99% Analysis Date = 03/01/00 Pct Recovery = 99% Analysis Date = 03/01/00 Pct Recovery = 99% Analysis Date = 02/27/00 Pct Recovery = 99% Analysis Date = 02/27/00 Pct Recovery = 99% Analysis Date = 02/24/00 Pct Recovery = 100% Analysis Date = 02/24/00 Pct Recovery = 100% Analysis Date = 02/22/00 Pct Recovery = 100% Analysis Date = 02/22/00 Pct Recovery = 100% Analysis Date = 02/19/00 Pct Recovery = 100% Analysis Date = 02/19/00 Pct Recovery = 100% Analysis Date = 02/16/00 Pct Recovery = 101% Analysis Date = 02/16/00 Pct Recovery = 101% Analysis Date = 02/13/00 Pct Recovery = 101% Analysis Date = 02/13/00 Pct Recovery = 101% Analysis Date = 02/10/00 Pct Recovery = 102% Analysis Date = 02/10/00 Pct Recovery = 102% Analysis Date = 02/07/00 Pct Recovery = 102% Analysis Date = 02/07/00 Pct Recovery = 102% Analysis Date = 02/04/00 Pct Recovery = 102% Analysis Date = 02/04/00 Pct Recovery = 102% Analysis Date = 02/01/00 Pct Recovery = 103% Analysis Date = 02/01/00 Pct Recovery = 103% Analysis Date = 01/29/00 Pct Recovery = 103% Analysis Date = 01/29/00 Pct Recovery = 103% Analysis Date = 01/26/00 Pct Recovery = 104% Analysis Date = 01/26/00 Pct Recovery = 104% Analysis Date = 01/23/00 Pct Recovery = 104% Analysis Date = 01/23/00 Pct Recovery = 104% Analysis Date = 01/20/00 Pct Recovery = 105% Analysis Date = 01/20/00 Pct Recovery = 105% Analysis Date = 01/17/00 Pct Recovery = 105% Analysis Date = 01/17/00 Pct Recovery = 105% Analysis Date = 01/14/00 Pct Recovery = 105% Analysis Date = 01/14/00 Pct Recovery = 105% Analysis Date = 01/11/00 Pct Recovery = 106% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
O-XYLENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 100% 9% 97% 6%
Total 21 100% 9% 97% 6%

Sample Statistics
O-XYLENE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
SEC-BUTYLBENZENE
METHOD: 4054 , TESTIDCODE: 77350GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 103% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 96% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 116% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 107% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 103% Analysis Date = 11/15/00 Pct Recovery = 103% Analysis Date = 11/13/00 Pct Recovery = 103% Analysis Date = 11/13/00 Pct Recovery = 103% Analysis Date = 11/12/00 Pct Recovery = 103% Analysis Date = 11/12/00 Pct Recovery = 103% Analysis Date = 11/11/00 Pct Recovery = 103% Analysis Date = 11/11/00 Pct Recovery = 103% Analysis Date = 11/10/00 Pct Recovery = 103% Analysis Date = 11/10/00 Pct Recovery = 103% Analysis Date = 11/08/00 Pct Recovery = 102% Analysis Date = 11/08/00 Pct Recovery = 102% Analysis Date = 11/07/00 Pct Recovery = 102% Analysis Date = 11/07/00 Pct Recovery = 102% Analysis Date = 11/06/00 Pct Recovery = 102% Analysis Date = 11/06/00 Pct Recovery = 102% Analysis Date = 11/04/00 Pct Recovery = 102% Analysis Date = 11/04/00 Pct Recovery = 102% Analysis Date = 11/03/00 Pct Recovery = 102% Analysis Date = 11/03/00 Pct Recovery = 102% Analysis Date = 11/02/00 Pct Recovery = 102% Analysis Date = 11/02/00 Pct Recovery = 102% Analysis Date = 10/31/00 Pct Recovery = 102% Analysis Date = 10/31/00 Pct Recovery = 102% Analysis Date = 10/30/00 Pct Recovery = 102% Analysis Date = 10/30/00 Pct Recovery = 102% Analysis Date = 10/29/00 Pct Recovery = 102% Analysis Date = 10/29/00 Pct Recovery = 102% Analysis Date = 10/27/00 Pct Recovery = 102% Analysis Date = 10/27/00 Pct Recovery = 102% Analysis Date = 10/26/00 Pct Recovery = 101% Analysis Date = 10/26/00 Pct Recovery = 101% Analysis Date = 10/25/00 Pct Recovery = 101% Analysis Date = 10/25/00 Pct Recovery = 101% Analysis Date = 10/23/00 Pct Recovery = 101% Analysis Date = 10/23/00 Pct Recovery = 101% Analysis Date = 10/22/00 Pct Recovery = 101% Analysis Date = 10/22/00 Pct Recovery = 101% Analysis Date = 10/21/00 Pct Recovery = 101% Analysis Date = 10/21/00 Pct Recovery = 101% Analysis Date = 10/19/00 Pct Recovery = 101% Analysis Date = 10/19/00 Pct Recovery = 101% Analysis Date = 10/18/00 Pct Recovery = 101% Analysis Date = 10/18/00 Pct Recovery = 101% Analysis Date = 10/17/00 Pct Recovery = 101% Analysis Date = 10/17/00 Pct Recovery = 101% Analysis Date = 10/15/00 Pct Recovery = 101% Analysis Date = 10/15/00 Pct Recovery = 101% Analysis Date = 10/14/00 Pct Recovery = 100% Analysis Date = 10/14/00 Pct Recovery = 100% Analysis Date = 10/13/00 Pct Recovery = 100% Analysis Date = 10/13/00 Pct Recovery = 100% Analysis Date = 10/11/00 Pct Recovery = 100% Analysis Date = 10/11/00 Pct Recovery = 100% Analysis Date = 10/10/00 Pct Recovery = 100% Analysis Date = 10/10/00 Pct Recovery = 100% Analysis Date = 10/09/00 Pct Recovery = 100% Analysis Date = 10/09/00 Pct Recovery = 100% Analysis Date = 10/07/00 Pct Recovery = 100% Analysis Date = 10/07/00 Pct Recovery = 100% Analysis Date = 10/06/00 Pct Recovery = 100% Analysis Date = 10/06/00 Pct Recovery = 100% Analysis Date = 10/05/00 Pct Recovery = 100% Analysis Date = 10/05/00 Pct Recovery = 100% Analysis Date = 10/03/00 Pct Recovery = 100% Analysis Date = 10/03/00 Pct Recovery = 100% Analysis Date = 10/02/00 Pct Recovery = 100% Analysis Date = 10/02/00 Pct Recovery = 100% Analysis Date = 10/01/00 Pct Recovery = 99% Analysis Date = 10/01/00 Pct Recovery = 99% Analysis Date = 09/29/00 Pct Recovery = 99% Analysis Date = 09/29/00 Pct Recovery = 99% Analysis Date = 09/28/00 Pct Recovery = 99% Analysis Date = 09/28/00 Pct Recovery = 99% Analysis Date = 09/27/00 Pct Recovery = 99% Analysis Date = 09/27/00 Pct Recovery = 99% Analysis Date = 09/25/00 Pct Recovery = 99% Analysis Date = 09/25/00 Pct Recovery = 99% Analysis Date = 09/24/00 Pct Recovery = 99% Analysis Date = 09/24/00 Pct Recovery = 99% Analysis Date = 09/23/00 Pct Recovery = 99% Analysis Date = 09/23/00 Pct Recovery = 99% Analysis Date = 09/21/00 Pct Recovery = 99% Analysis Date = 09/21/00 Pct Recovery = 99% Analysis Date = 09/20/00 Pct Recovery = 99% Analysis Date = 09/20/00 Pct Recovery = 99% Analysis Date = 09/19/00 Pct Recovery = 98% Analysis Date = 09/19/00 Pct Recovery = 98% Analysis Date = 09/17/00 Pct Recovery = 98% Analysis Date = 09/17/00 Pct Recovery = 98% Analysis Date = 09/16/00 Pct Recovery = 98% Analysis Date = 09/16/00 Pct Recovery = 98% Analysis Date = 09/15/00 Pct Recovery = 98% Analysis Date = 09/15/00 Pct Recovery = 98% Analysis Date = 09/13/00 Pct Recovery = 98% Analysis Date = 09/13/00 Pct Recovery = 98% Analysis Date = 09/12/00 Pct Recovery = 98% Analysis Date = 09/12/00 Pct Recovery = 98% Analysis Date = 09/11/00 Pct Recovery = 98% Analysis Date = 09/11/00 Pct Recovery = 98% Analysis Date = 09/09/00 Pct Recovery = 98% Analysis Date = 09/09/00 Pct Recovery = 98% Analysis Date = 09/08/00 Pct Recovery = 98% Analysis Date = 09/08/00 Pct Recovery = 98% Analysis Date = 09/07/00 Pct Recovery = 98% Analysis Date = 09/07/00 Pct Recovery = 98% Analysis Date = 09/05/00 Pct Recovery = 97% Analysis Date = 09/05/00 Pct Recovery = 97% Analysis Date = 09/04/00 Pct Recovery = 97% Analysis Date = 09/04/00 Pct Recovery = 97% Analysis Date = 09/03/00 Pct Recovery = 97% Analysis Date = 09/03/00 Pct Recovery = 97% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 08/31/00 Pct Recovery = 97% Analysis Date = 08/31/00 Pct Recovery = 97% Analysis Date = 08/30/00 Pct Recovery = 97% Analysis Date = 08/30/00 Pct Recovery = 97% Analysis Date = 08/28/00 Pct Recovery = 97% Analysis Date = 08/28/00 Pct Recovery = 97% Analysis Date = 08/27/00 Pct Recovery = 97% Analysis Date = 08/27/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/24/00 Pct Recovery = 96% Analysis Date = 08/24/00 Pct Recovery = 96% Analysis Date = 08/23/00 Pct Recovery = 96% Analysis Date = 08/23/00 Pct Recovery = 96% Analysis Date = 08/22/00 Pct Recovery = 96% Analysis Date = 08/22/00 Pct Recovery = 96% Analysis Date = 08/20/00 Pct Recovery = 96% Analysis Date = 08/20/00 Pct Recovery = 96% Analysis Date = 08/19/00 Pct Recovery = 96% Analysis Date = 08/19/00 Pct Recovery = 96% Analysis Date = 08/18/00 Pct Recovery = 96% Analysis Date = 08/18/00 Pct Recovery = 96% Analysis Date = 08/17/00 Pct Recovery = 96% Analysis Date = 08/17/00 Pct Recovery = 96% Analysis Date = 08/15/00 Pct Recovery = 96% Analysis Date = 08/15/00 Pct Recovery = 96% Analysis Date = 08/14/00 Pct Recovery = 96% Analysis Date = 08/14/00 Pct Recovery = 96% Analysis Date = 08/13/00 Pct Recovery = 97% Analysis Date = 08/13/00 Pct Recovery = 97% Analysis Date = 08/11/00 Pct Recovery = 97% Analysis Date = 08/11/00 Pct Recovery = 97% Analysis Date = 08/10/00 Pct Recovery = 98% Analysis Date = 08/10/00 Pct Recovery = 98% Analysis Date = 08/09/00 Pct Recovery = 98% Analysis Date = 08/09/00 Pct Recovery = 98% Analysis Date = 08/07/00 Pct Recovery = 99% Analysis Date = 08/07/00 Pct Recovery = 99% Analysis Date = 08/06/00 Pct Recovery = 99% Analysis Date = 08/06/00 Pct Recovery = 99% Analysis Date = 08/05/00 Pct Recovery = 99% Analysis Date = 08/05/00 Pct Recovery = 99% Analysis Date = 08/03/00 Pct Recovery = 100% Analysis Date = 08/03/00 Pct Recovery = 100% Analysis Date = 08/02/00 Pct Recovery = 100% Analysis Date = 08/02/00 Pct Recovery = 100% Analysis Date = 08/01/00 Pct Recovery = 101% Analysis Date = 08/01/00 Pct Recovery = 101% Analysis Date = 07/30/00 Pct Recovery = 101% Analysis Date = 07/30/00 Pct Recovery = 101% Analysis Date = 07/29/00 Pct Recovery = 102% Analysis Date = 07/29/00 Pct Recovery = 102% Analysis Date = 07/28/00 Pct Recovery = 102% Analysis Date = 07/28/00 Pct Recovery = 102% Analysis Date = 07/26/00 Pct Recovery = 102% Analysis Date = 07/26/00 Pct Recovery = 102% Analysis Date = 07/25/00 Pct Recovery = 103% Analysis Date = 07/25/00 Pct Recovery = 103% Analysis Date = 07/24/00 Pct Recovery = 103% Analysis Date = 07/24/00 Pct Recovery = 103% Analysis Date = 07/22/00 Pct Recovery = 104% Analysis Date = 07/22/00 Pct Recovery = 104% Analysis Date = 07/21/00 Pct Recovery = 104% Analysis Date = 07/21/00 Pct Recovery = 104% Analysis Date = 07/20/00 Pct Recovery = 105% Analysis Date = 07/20/00 Pct Recovery = 105% Analysis Date = 07/18/00 Pct Recovery = 105% Analysis Date = 07/18/00 Pct Recovery = 105% Analysis Date = 07/17/00 Pct Recovery = 105% Analysis Date = 07/17/00 Pct Recovery = 105% Analysis Date = 07/16/00 Pct Recovery = 106% Analysis Date = 07/16/00 Pct Recovery = 106% Analysis Date = 07/14/00 Pct Recovery = 106% Analysis Date = 07/14/00 Pct Recovery = 106% Analysis Date = 07/13/00 Pct Recovery = 107% Analysis Date = 07/13/00 Pct Recovery = 107% Analysis Date = 07/12/00 Pct Recovery = 107% Analysis Date = 07/12/00 Pct Recovery = 107% Analysis Date = 07/10/00 Pct Recovery = 108% Analysis Date = 07/10/00 Pct Recovery = 108% Analysis Date = 07/09/00 Pct Recovery = 108% Analysis Date = 07/09/00 Pct Recovery = 108% Analysis Date = 07/08/00 Pct Recovery = 108% Analysis Date = 07/08/00 Pct Recovery = 108% Analysis Date = 07/06/00 Pct Recovery = 109% Analysis Date = 07/06/00 Pct Recovery = 109% Analysis Date = 07/05/00 Pct Recovery = 109% Analysis Date = 07/05/00 Pct Recovery = 109% Analysis Date = 07/04/00 Pct Recovery = 110% Analysis Date = 07/04/00 Pct Recovery = 110% Analysis Date = 07/02/00 Pct Recovery = 110% Analysis Date = 07/02/00 Pct Recovery = 110% Analysis Date = 07/01/00 Pct Recovery = 111% Analysis Date = 07/01/00 Pct Recovery = 111% Analysis Date = 06/30/00 Pct Recovery = 111% Analysis Date = 06/30/00 Pct Recovery = 111% Analysis Date = 06/28/00 Pct Recovery = 111% Analysis Date = 06/28/00 Pct Recovery = 111% Analysis Date = 06/27/00 Pct Recovery = 112% Analysis Date = 06/27/00 Pct Recovery = 112% Analysis Date = 06/26/00 Pct Recovery = 112% Analysis Date = 06/26/00 Pct Recovery = 112% Analysis Date = 06/24/00 Pct Recovery = 113% Analysis Date = 06/24/00 Pct Recovery = 113% Analysis Date = 06/23/00 Pct Recovery = 113% Analysis Date = 06/23/00 Pct Recovery = 113% Analysis Date = 06/22/00 Pct Recovery = 114% Analysis Date = 06/22/00 Pct Recovery = 114% Analysis Date = 06/20/00 Pct Recovery = 114% Analysis Date = 06/20/00 Pct Recovery = 114% Analysis Date = 06/19/00 Pct Recovery = 114% Analysis Date = 06/19/00 Pct Recovery = 114% Analysis Date = 06/18/00 Pct Recovery = 115% Analysis Date = 06/18/00 Pct Recovery = 115% Analysis Date = 06/16/00 Pct Recovery = 115% Analysis Date = 06/16/00 Pct Recovery = 115% Analysis Date = 06/15/00 Pct Recovery = 116% Analysis Date = 06/15/00 Pct Recovery = 116% Analysis Date = 06/14/00 Pct Recovery = 116% Analysis Date = 06/14/00 Pct Recovery = 116% Analysis Date = 06/12/00 Pct Recovery = 115% Analysis Date = 06/12/00 Pct Recovery = 115% Analysis Date = 06/11/00 Pct Recovery = 115% Analysis Date = 06/11/00 Pct Recovery = 115% Analysis Date = 06/10/00 Pct Recovery = 115% Analysis Date = 06/10/00 Pct Recovery = 115% Analysis Date = 06/08/00 Pct Recovery = 115% Analysis Date = 06/08/00 Pct Recovery = 115% Analysis Date = 06/07/00 Pct Recovery = 114% Analysis Date = 06/07/00 Pct Recovery = 114% Analysis Date = 06/06/00 Pct Recovery = 114% Analysis Date = 06/06/00 Pct Recovery = 114% Analysis Date = 06/04/00 Pct Recovery = 114% Analysis Date = 06/04/00 Pct Recovery = 114% Analysis Date = 06/03/00 Pct Recovery = 114% Analysis Date = 06/03/00 Pct Recovery = 114% Analysis Date = 06/02/00 Pct Recovery = 113% Analysis Date = 06/02/00 Pct Recovery = 113% Analysis Date = 05/31/00 Pct Recovery = 113% Analysis Date = 05/31/00 Pct Recovery = 113% Analysis Date = 05/30/00 Pct Recovery = 113% Analysis Date = 05/30/00 Pct Recovery = 113% Analysis Date = 05/29/00 Pct Recovery = 113% Analysis Date = 05/29/00 Pct Recovery = 113% Analysis Date = 05/27/00 Pct Recovery = 112% Analysis Date = 05/27/00 Pct Recovery = 112% Analysis Date = 05/26/00 Pct Recovery = 112% Analysis Date = 05/26/00 Pct Recovery = 112% Analysis Date = 05/25/00 Pct Recovery = 112% Analysis Date = 05/25/00 Pct Recovery = 112% Analysis Date = 05/24/00 Pct Recovery = 112% Analysis Date = 05/24/00 Pct Recovery = 112% Analysis Date = 05/22/00 Pct Recovery = 112% Analysis Date = 05/22/00 Pct Recovery = 112% Analysis Date = 05/21/00 Pct Recovery = 111% Analysis Date = 05/21/00 Pct Recovery = 111% Analysis Date = 05/20/00 Pct Recovery = 111% Analysis Date = 05/20/00 Pct Recovery = 111% Analysis Date = 05/18/00 Pct Recovery = 111% Analysis Date = 05/18/00 Pct Recovery = 111% Analysis Date = 05/17/00 Pct Recovery = 111% Analysis Date = 05/17/00 Pct Recovery = 111% Analysis Date = 05/16/00 Pct Recovery = 110% Analysis Date = 05/16/00 Pct Recovery = 110% Analysis Date = 05/14/00 Pct Recovery = 110% Analysis Date = 05/14/00 Pct Recovery = 110% Analysis Date = 05/13/00 Pct Recovery = 110% Analysis Date = 05/13/00 Pct Recovery = 110% Analysis Date = 05/12/00 Pct Recovery = 110% Analysis Date = 05/12/00 Pct Recovery = 110% Analysis Date = 05/10/00 Pct Recovery = 109% Analysis Date = 05/10/00 Pct Recovery = 109% Analysis Date = 05/09/00 Pct Recovery = 109% Analysis Date = 05/09/00 Pct Recovery = 109% Analysis Date = 05/08/00 Pct Recovery = 109% Analysis Date = 05/08/00 Pct Recovery = 109% Analysis Date = 05/06/00 Pct Recovery = 109% Analysis Date = 05/06/00 Pct Recovery = 109% Analysis Date = 05/05/00 Pct Recovery = 109% Analysis Date = 05/05/00 Pct Recovery = 109% Analysis Date = 05/04/00 Pct Recovery = 108% Analysis Date = 05/04/00 Pct Recovery = 108% Analysis Date = 05/02/00 Pct Recovery = 108% Analysis Date = 05/02/00 Pct Recovery = 108% Analysis Date = 05/01/00 Pct Recovery = 108% Analysis Date = 05/01/00 Pct Recovery = 108% Analysis Date = 04/30/00 Pct Recovery = 108% Analysis Date = 04/30/00 Pct Recovery = 108% Analysis Date = 04/28/00 Pct Recovery = 107% Analysis Date = 04/28/00 Pct Recovery = 107% Analysis Date = 04/27/00 Pct Recovery = 107% Analysis Date = 04/27/00 Pct Recovery = 107% Analysis Date = 04/26/00 Pct Recovery = 107% Analysis Date = 04/26/00 Pct Recovery = 107% Analysis Date = 04/24/00 Pct Recovery = 107% Analysis Date = 04/24/00 Pct Recovery = 107% Analysis Date = 04/23/00 Pct Recovery = 107% Analysis Date = 04/23/00 Pct Recovery = 107% Analysis Date = 04/22/00 Pct Recovery = 107% Analysis Date = 04/22/00 Pct Recovery = 107% Analysis Date = 04/20/00 Pct Recovery = 107% Analysis Date = 04/20/00 Pct Recovery = 107% Analysis Date = 04/19/00 Pct Recovery = 107% Analysis Date = 04/19/00 Pct Recovery = 107% Analysis Date = 04/18/00 Pct Recovery = 107% Analysis Date = 04/18/00 Pct Recovery = 107% Analysis Date = 04/16/00 Pct Recovery = 106% Analysis Date = 04/16/00 Pct Recovery = 106% Analysis Date = 04/15/00 Pct Recovery = 106% Analysis Date = 04/15/00 Pct Recovery = 106% Analysis Date = 04/14/00 Pct Recovery = 106% Analysis Date = 04/14/00 Pct Recovery = 106% Analysis Date = 04/12/00 Pct Recovery = 106% Analysis Date = 04/12/00 Pct Recovery = 106% Analysis Date = 04/11/00 Pct Recovery = 106% Analysis Date = 04/11/00 Pct Recovery = 106% Analysis Date = 04/10/00 Pct Recovery = 106% Analysis Date = 04/10/00 Pct Recovery = 106% Analysis Date = 04/08/00 Pct Recovery = 106% Analysis Date = 04/08/00 Pct Recovery = 106% Analysis Date = 04/07/00 Pct Recovery = 106% Analysis Date = 04/07/00 Pct Recovery = 106% Analysis Date = 04/06/00 Pct Recovery = 106% Analysis Date = 04/06/00 Pct Recovery = 106% Analysis Date = 04/04/00 Pct Recovery = 106% Analysis Date = 04/04/00 Pct Recovery = 106% Analysis Date = 04/03/00 Pct Recovery = 106% Analysis Date = 04/03/00 Pct Recovery = 106% Analysis Date = 04/02/00 Pct Recovery = 106% Analysis Date = 04/02/00 Pct Recovery = 106% Analysis Date = 03/31/00 Pct Recovery = 106% Analysis Date = 03/31/00 Pct Recovery = 106% Analysis Date = 03/30/00 Pct Recovery = 105% Analysis Date = 03/30/00 Pct Recovery = 105% Analysis Date = 03/29/00 Pct Recovery = 105% Analysis Date = 03/29/00 Pct Recovery = 105% Analysis Date = 03/27/00 Pct Recovery = 105% Analysis Date = 03/27/00 Pct Recovery = 105% Analysis Date = 03/26/00 Pct Recovery = 105% Analysis Date = 03/26/00 Pct Recovery = 105% Analysis Date = 03/25/00 Pct Recovery = 105% Analysis Date = 03/25/00 Pct Recovery = 105% Analysis Date = 03/23/00 Pct Recovery = 105% Analysis Date = 03/23/00 Pct Recovery = 105% Analysis Date = 03/22/00 Pct Recovery = 105% Analysis Date = 03/22/00 Pct Recovery = 105% Analysis Date = 03/21/00 Pct Recovery = 105% Analysis Date = 03/21/00 Pct Recovery = 105% Analysis Date = 03/19/00 Pct Recovery = 105% Analysis Date = 03/19/00 Pct Recovery = 105% Analysis Date = 03/18/00 Pct Recovery = 105% Analysis Date = 03/18/00 Pct Recovery = 105% Analysis Date = 03/17/00 Pct Recovery = 105% Analysis Date = 03/17/00 Pct Recovery = 105% Analysis Date = 03/15/00 Pct Recovery = 105% Analysis Date = 03/15/00 Pct Recovery = 105% Analysis Date = 03/14/00 Pct Recovery = 104% Analysis Date = 03/14/00 Pct Recovery = 104% Analysis Date = 03/13/00 Pct Recovery = 104% Analysis Date = 03/13/00 Pct Recovery = 104% Analysis Date = 03/11/00 Pct Recovery = 104% Analysis Date = 03/11/00 Pct Recovery = 104% Analysis Date = 03/10/00 Pct Recovery = 104% Analysis Date = 03/10/00 Pct Recovery = 104% Analysis Date = 03/09/00 Pct Recovery = 104% Analysis Date = 03/09/00 Pct Recovery = 104% Analysis Date = 03/07/00 Pct Recovery = 104% Analysis Date = 03/07/00 Pct Recovery = 104% Analysis Date = 03/06/00 Pct Recovery = 104% Analysis Date = 03/06/00 Pct Recovery = 104% Analysis Date = 03/05/00 Pct Recovery = 104% Analysis Date = 03/05/00 Pct Recovery = 104% Analysis Date = 03/03/00 Pct Recovery = 104% Analysis Date = 03/03/00 Pct Recovery = 104% Analysis Date = 03/02/00 Pct Recovery = 104% Analysis Date = 03/02/00 Pct Recovery = 104% Analysis Date = 03/01/00 Pct Recovery = 104% Analysis Date = 03/01/00 Pct Recovery = 104% Analysis Date = 02/28/00 Pct Recovery = 104% Analysis Date = 02/28/00 Pct Recovery = 104% Analysis Date = 02/27/00 Pct Recovery = 103% Analysis Date = 02/27/00 Pct Recovery = 103% Analysis Date = 02/26/00 Pct Recovery = 103% Analysis Date = 02/26/00 Pct Recovery = 103% Analysis Date = 02/25/00 Pct Recovery = 103% Analysis Date = 02/25/00 Pct Recovery = 103% Analysis Date = 02/23/00 Pct Recovery = 103% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
SEC-BUTYLBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 105% 7% 103% 3%
Total 5 105% 7% 103% 3%

Sample Statistics
SEC-BUTYLBENZENE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
STYRENE
METHOD: 4054 , TESTIDCODE: 77128GCM66
Open Data Set

Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 101% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 127% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 97% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 107% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 97% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 94% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 89% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 98% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 108% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 98% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 139% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 91% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 101% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 106% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 96% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 104% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 97% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 100% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 112% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 103% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 113% Analysis Date = 08/24/01 Pct Recovery = 111% Analysis Date = 08/22/01 Pct Recovery = 111% Analysis Date = 08/22/01 Pct Recovery = 111% Analysis Date = 08/19/01 Pct Recovery = 111% Analysis Date = 08/19/01 Pct Recovery = 111% Analysis Date = 08/16/01 Pct Recovery = 110% Analysis Date = 08/16/01 Pct Recovery = 110% Analysis Date = 08/13/01 Pct Recovery = 110% Analysis Date = 08/13/01 Pct Recovery = 110% Analysis Date = 08/10/01 Pct Recovery = 110% Analysis Date = 08/10/01 Pct Recovery = 110% Analysis Date = 08/07/01 Pct Recovery = 110% Analysis Date = 08/07/01 Pct Recovery = 110% Analysis Date = 08/04/01 Pct Recovery = 110% Analysis Date = 08/04/01 Pct Recovery = 110% Analysis Date = 08/01/01 Pct Recovery = 110% Analysis Date = 08/01/01 Pct Recovery = 110% Analysis Date = 07/29/01 Pct Recovery = 110% Analysis Date = 07/29/01 Pct Recovery = 110% Analysis Date = 07/26/01 Pct Recovery = 110% Analysis Date = 07/26/01 Pct Recovery = 110% Analysis Date = 07/23/01 Pct Recovery = 110% Analysis Date = 07/23/01 Pct Recovery = 110% Analysis Date = 07/20/01 Pct Recovery = 110% Analysis Date = 07/20/01 Pct Recovery = 110% Analysis Date = 07/17/01 Pct Recovery = 110% Analysis Date = 07/17/01 Pct Recovery = 110% Analysis Date = 07/14/01 Pct Recovery = 110% Analysis Date = 07/14/01 Pct Recovery = 110% Analysis Date = 07/11/01 Pct Recovery = 110% Analysis Date = 07/11/01 Pct Recovery = 110% Analysis Date = 07/08/01 Pct Recovery = 110% Analysis Date = 07/08/01 Pct Recovery = 110% Analysis Date = 07/05/01 Pct Recovery = 110% Analysis Date = 07/05/01 Pct Recovery = 110% Analysis Date = 07/02/01 Pct Recovery = 110% Analysis Date = 07/02/01 Pct Recovery = 110% Analysis Date = 06/29/01 Pct Recovery = 110% Analysis Date = 06/29/01 Pct Recovery = 110% Analysis Date = 06/26/01 Pct Recovery = 110% Analysis Date = 06/26/01 Pct Recovery = 110% Analysis Date = 06/23/01 Pct Recovery = 110% Analysis Date = 06/23/01 Pct Recovery = 110% Analysis Date = 06/20/01 Pct Recovery = 109% Analysis Date = 06/20/01 Pct Recovery = 109% Analysis Date = 06/17/01 Pct Recovery = 109% Analysis Date = 06/17/01 Pct Recovery = 109% Analysis Date = 06/15/01 Pct Recovery = 109% Analysis Date = 06/15/01 Pct Recovery = 109% Analysis Date = 06/12/01 Pct Recovery = 109% Analysis Date = 06/12/01 Pct Recovery = 109% Analysis Date = 06/09/01 Pct Recovery = 109% Analysis Date = 06/09/01 Pct Recovery = 109% Analysis Date = 06/06/01 Pct Recovery = 109% Analysis Date = 06/06/01 Pct Recovery = 109% Analysis Date = 06/03/01 Pct Recovery = 109% Analysis Date = 06/03/01 Pct Recovery = 109% Analysis Date = 05/31/01 Pct Recovery = 109% Analysis Date = 05/31/01 Pct Recovery = 109% Analysis Date = 05/28/01 Pct Recovery = 109% Analysis Date = 05/28/01 Pct Recovery = 109% Analysis Date = 05/25/01 Pct Recovery = 109% Analysis Date = 05/25/01 Pct Recovery = 109% Analysis Date = 05/22/01 Pct Recovery = 109% Analysis Date = 05/22/01 Pct Recovery = 109% Analysis Date = 05/19/01 Pct Recovery = 109% Analysis Date = 05/19/01 Pct Recovery = 109% Analysis Date = 05/16/01 Pct Recovery = 109% Analysis Date = 05/16/01 Pct Recovery = 109% Analysis Date = 05/13/01 Pct Recovery = 109% Analysis Date = 05/13/01 Pct Recovery = 109% Analysis Date = 05/10/01 Pct Recovery = 109% Analysis Date = 05/10/01 Pct Recovery = 109% Analysis Date = 05/07/01 Pct Recovery = 109% Analysis Date = 05/07/01 Pct Recovery = 109% Analysis Date = 05/04/01 Pct Recovery = 109% Analysis Date = 05/04/01 Pct Recovery = 109% Analysis Date = 05/01/01 Pct Recovery = 109% Analysis Date = 05/01/01 Pct Recovery = 109% Analysis Date = 04/28/01 Pct Recovery = 109% Analysis Date = 04/28/01 Pct Recovery = 109% Analysis Date = 04/25/01 Pct Recovery = 109% Analysis Date = 04/25/01 Pct Recovery = 109% Analysis Date = 04/22/01 Pct Recovery = 108% Analysis Date = 04/22/01 Pct Recovery = 108% Analysis Date = 04/19/01 Pct Recovery = 108% Analysis Date = 04/19/01 Pct Recovery = 108% Analysis Date = 04/16/01 Pct Recovery = 108% Analysis Date = 04/16/01 Pct Recovery = 108% Analysis Date = 04/13/01 Pct Recovery = 108% Analysis Date = 04/13/01 Pct Recovery = 108% Analysis Date = 04/10/01 Pct Recovery = 108% Analysis Date = 04/10/01 Pct Recovery = 108% Analysis Date = 04/08/01 Pct Recovery = 108% Analysis Date = 04/08/01 Pct Recovery = 108% Analysis Date = 04/05/01 Pct Recovery = 108% Analysis Date = 04/05/01 Pct Recovery = 108% Analysis Date = 04/02/01 Pct Recovery = 108% Analysis Date = 04/02/01 Pct Recovery = 108% Analysis Date = 03/30/01 Pct Recovery = 108% Analysis Date = 03/30/01 Pct Recovery = 108% Analysis Date = 03/27/01 Pct Recovery = 108% Analysis Date = 03/27/01 Pct Recovery = 108% Analysis Date = 03/24/01 Pct Recovery = 108% Analysis Date = 03/24/01 Pct Recovery = 108% Analysis Date = 03/21/01 Pct Recovery = 108% Analysis Date = 03/21/01 Pct Recovery = 108% Analysis Date = 03/18/01 Pct Recovery = 108% Analysis Date = 03/18/01 Pct Recovery = 108% Analysis Date = 03/15/01 Pct Recovery = 108% Analysis Date = 03/15/01 Pct Recovery = 108% Analysis Date = 03/12/01 Pct Recovery = 108% Analysis Date = 03/12/01 Pct Recovery = 108% Analysis Date = 03/09/01 Pct Recovery = 108% Analysis Date = 03/09/01 Pct Recovery = 108% Analysis Date = 03/06/01 Pct Recovery = 107% Analysis Date = 03/06/01 Pct Recovery = 107% Analysis Date = 03/03/01 Pct Recovery = 107% Analysis Date = 03/03/01 Pct Recovery = 107% Analysis Date = 02/28/01 Pct Recovery = 107% Analysis Date = 02/28/01 Pct Recovery = 107% Analysis Date = 02/25/01 Pct Recovery = 107% Analysis Date = 02/25/01 Pct Recovery = 107% Analysis Date = 02/22/01 Pct Recovery = 107% Analysis Date = 02/22/01 Pct Recovery = 107% Analysis Date = 02/19/01 Pct Recovery = 107% Analysis Date = 02/19/01 Pct Recovery = 107% Analysis Date = 02/16/01 Pct Recovery = 107% Analysis Date = 02/16/01 Pct Recovery = 107% Analysis Date = 02/13/01 Pct Recovery = 107% Analysis Date = 02/13/01 Pct Recovery = 107% Analysis Date = 02/10/01 Pct Recovery = 106% Analysis Date = 02/10/01 Pct Recovery = 106% Analysis Date = 02/07/01 Pct Recovery = 106% Analysis Date = 02/07/01 Pct Recovery = 106% Analysis Date = 02/04/01 Pct Recovery = 106% Analysis Date = 02/04/01 Pct Recovery = 106% Analysis Date = 02/01/01 Pct Recovery = 106% Analysis Date = 02/01/01 Pct Recovery = 106% Analysis Date = 01/30/01 Pct Recovery = 106% Analysis Date = 01/30/01 Pct Recovery = 106% Analysis Date = 01/27/01 Pct Recovery = 106% Analysis Date = 01/27/01 Pct Recovery = 106% Analysis Date = 01/24/01 Pct Recovery = 106% Analysis Date = 01/24/01 Pct Recovery = 106% Analysis Date = 01/21/01 Pct Recovery = 106% Analysis Date = 01/21/01 Pct Recovery = 106% Analysis Date = 01/18/01 Pct Recovery = 105% Analysis Date = 01/18/01 Pct Recovery = 105% Analysis Date = 01/15/01 Pct Recovery = 105% Analysis Date = 01/15/01 Pct Recovery = 105% Analysis Date = 01/12/01 Pct Recovery = 105% Analysis Date = 01/12/01 Pct Recovery = 105% Analysis Date = 01/09/01 Pct Recovery = 105% Analysis Date = 01/09/01 Pct Recovery = 105% Analysis Date = 01/06/01 Pct Recovery = 105% Analysis Date = 01/06/01 Pct Recovery = 105% Analysis Date = 01/03/01 Pct Recovery = 105% Analysis Date = 01/03/01 Pct Recovery = 105% Analysis Date = 12/31/00 Pct Recovery = 105% Analysis Date = 12/31/00 Pct Recovery = 105% Analysis Date = 12/28/00 Pct Recovery = 105% Analysis Date = 12/28/00 Pct Recovery = 105% Analysis Date = 12/25/00 Pct Recovery = 104% Analysis Date = 12/25/00 Pct Recovery = 104% Analysis Date = 12/22/00 Pct Recovery = 104% Analysis Date = 12/22/00 Pct Recovery = 104% Analysis Date = 12/19/00 Pct Recovery = 104% Analysis Date = 12/19/00 Pct Recovery = 104% Analysis Date = 12/16/00 Pct Recovery = 104% Analysis Date = 12/16/00 Pct Recovery = 104% Analysis Date = 12/13/00 Pct Recovery = 104% Analysis Date = 12/13/00 Pct Recovery = 104% Analysis Date = 12/10/00 Pct Recovery = 104% Analysis Date = 12/10/00 Pct Recovery = 104% Analysis Date = 12/07/00 Pct Recovery = 104% Analysis Date = 12/07/00 Pct Recovery = 104% Analysis Date = 12/04/00 Pct Recovery = 104% Analysis Date = 12/04/00 Pct Recovery = 104% Analysis Date = 12/01/00 Pct Recovery = 103% Analysis Date = 12/01/00 Pct Recovery = 103% Analysis Date = 11/28/00 Pct Recovery = 103% Analysis Date = 11/28/00 Pct Recovery = 103% Analysis Date = 11/25/00 Pct Recovery = 103% Analysis Date = 11/25/00 Pct Recovery = 103% Analysis Date = 11/23/00 Pct Recovery = 103% Analysis Date = 11/23/00 Pct Recovery = 103% Analysis Date = 11/20/00 Pct Recovery = 103% Analysis Date = 11/20/00 Pct Recovery = 103% Analysis Date = 11/17/00 Pct Recovery = 103% Analysis Date = 11/17/00 Pct Recovery = 103% Analysis Date = 11/14/00 Pct Recovery = 103% Analysis Date = 11/14/00 Pct Recovery = 103% Analysis Date = 11/11/00 Pct Recovery = 103% Analysis Date = 11/11/00 Pct Recovery = 103% Analysis Date = 11/08/00 Pct Recovery = 103% Analysis Date = 11/08/00 Pct Recovery = 103% Analysis Date = 11/05/00 Pct Recovery = 103% Analysis Date = 11/05/00 Pct Recovery = 103% Analysis Date = 11/02/00 Pct Recovery = 103% Analysis Date = 11/02/00 Pct Recovery = 103% Analysis Date = 10/30/00 Pct Recovery = 103% Analysis Date = 10/30/00 Pct Recovery = 103% Analysis Date = 10/27/00 Pct Recovery = 103% Analysis Date = 10/27/00 Pct Recovery = 103% Analysis Date = 10/24/00 Pct Recovery = 103% Analysis Date = 10/24/00 Pct Recovery = 103% Analysis Date = 10/21/00 Pct Recovery = 103% Analysis Date = 10/21/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/15/00 Pct Recovery = 104% Analysis Date = 10/15/00 Pct Recovery = 104% Analysis Date = 10/12/00 Pct Recovery = 104% Analysis Date = 10/12/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/09/00 Pct Recovery = 104% Analysis Date = 10/06/00 Pct Recovery = 104% Analysis Date = 10/06/00 Pct Recovery = 104% Analysis Date = 10/03/00 Pct Recovery = 104% Analysis Date = 10/03/00 Pct Recovery = 104% Analysis Date = 09/30/00 Pct Recovery = 104% Analysis Date = 09/30/00 Pct Recovery = 104% Analysis Date = 09/27/00 Pct Recovery = 104% Analysis Date = 09/27/00 Pct Recovery = 104% Analysis Date = 09/24/00 Pct Recovery = 104% Analysis Date = 09/24/00 Pct Recovery = 104% Analysis Date = 09/21/00 Pct Recovery = 104% Analysis Date = 09/21/00 Pct Recovery = 104% Analysis Date = 09/18/00 Pct Recovery = 103% Analysis Date = 09/18/00 Pct Recovery = 103% Analysis Date = 09/15/00 Pct Recovery = 103% Analysis Date = 09/15/00 Pct Recovery = 103% Analysis Date = 09/13/00 Pct Recovery = 103% Analysis Date = 09/13/00 Pct Recovery = 103% Analysis Date = 09/10/00 Pct Recovery = 103% Analysis Date = 09/10/00 Pct Recovery = 103% Analysis Date = 09/07/00 Pct Recovery = 103% Analysis Date = 09/07/00 Pct Recovery = 103% Analysis Date = 09/04/00 Pct Recovery = 103% Analysis Date = 09/04/00 Pct Recovery = 103% Analysis Date = 09/01/00 Pct Recovery = 103% Analysis Date = 09/01/00 Pct Recovery = 103% Analysis Date = 08/29/00 Pct Recovery = 103% Analysis Date = 08/29/00 Pct Recovery = 103% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/20/00 Pct Recovery = 103% Analysis Date = 08/20/00 Pct Recovery = 103% Analysis Date = 08/17/00 Pct Recovery = 103% Analysis Date = 08/17/00 Pct Recovery = 103% Analysis Date = 08/14/00 Pct Recovery = 103% Analysis Date = 08/14/00 Pct Recovery = 103% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/27/00 Pct Recovery = 102% Analysis Date = 07/27/00 Pct Recovery = 102% Analysis Date = 07/24/00 Pct Recovery = 102% Analysis Date = 07/24/00 Pct Recovery = 102% Analysis Date = 07/21/00 Pct Recovery = 102% Analysis Date = 07/21/00 Pct Recovery = 102% Analysis Date = 07/18/00 Pct Recovery = 102% Analysis Date = 07/18/00 Pct Recovery = 102% Analysis Date = 07/15/00 Pct Recovery = 102% Analysis Date = 07/15/00 Pct Recovery = 102% Analysis Date = 07/12/00 Pct Recovery = 102% Analysis Date = 07/12/00 Pct Recovery = 102% Analysis Date = 07/09/00 Pct Recovery = 102% Analysis Date = 07/09/00 Pct Recovery = 102% Analysis Date = 07/07/00 Pct Recovery = 102% Analysis Date = 07/07/00 Pct Recovery = 102% Analysis Date = 07/04/00 Pct Recovery = 102% Analysis Date = 07/04/00 Pct Recovery = 102% Analysis Date = 07/01/00 Pct Recovery = 102% Analysis Date = 07/01/00 Pct Recovery = 102% Analysis Date = 06/28/00 Pct Recovery = 101% Analysis Date = 06/28/00 Pct Recovery = 101% Analysis Date = 06/25/00 Pct Recovery = 101% Analysis Date = 06/25/00 Pct Recovery = 101% Analysis Date = 06/22/00 Pct Recovery = 101% Analysis Date = 06/22/00 Pct Recovery = 101% Analysis Date = 06/19/00 Pct Recovery = 101% Analysis Date = 06/19/00 Pct Recovery = 101% Analysis Date = 06/16/00 Pct Recovery = 101% Analysis Date = 06/16/00 Pct Recovery = 101% Analysis Date = 06/13/00 Pct Recovery = 101% Analysis Date = 06/13/00 Pct Recovery = 101% Analysis Date = 06/10/00 Pct Recovery = 101% Analysis Date = 06/10/00 Pct Recovery = 101% Analysis Date = 06/07/00 Pct Recovery = 101% Analysis Date = 06/07/00 Pct Recovery = 101% Analysis Date = 06/04/00 Pct Recovery = 101% Analysis Date = 06/04/00 Pct Recovery = 101% Analysis Date = 06/01/00 Pct Recovery = 101% Analysis Date = 06/01/00 Pct Recovery = 101% Analysis Date = 05/29/00 Pct Recovery = 101% Analysis Date = 05/29/00 Pct Recovery = 101% Analysis Date = 05/26/00 Pct Recovery = 101% Analysis Date = 05/26/00 Pct Recovery = 101% Analysis Date = 05/23/00 Pct Recovery = 101% Analysis Date = 05/23/00 Pct Recovery = 101% Analysis Date = 05/20/00 Pct Recovery = 101% Analysis Date = 05/20/00 Pct Recovery = 101% Analysis Date = 05/17/00 Pct Recovery = 101% Analysis Date = 05/17/00 Pct Recovery = 101% Analysis Date = 05/14/00 Pct Recovery = 102% Analysis Date = 05/14/00 Pct Recovery = 102% Analysis Date = 05/11/00 Pct Recovery = 102% Analysis Date = 05/11/00 Pct Recovery = 102% Analysis Date = 05/08/00 Pct Recovery = 102% Analysis Date = 05/08/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/24/00 Pct Recovery = 101% Analysis Date = 04/24/00 Pct Recovery = 101% Analysis Date = 04/21/00 Pct Recovery = 101% Analysis Date = 04/21/00 Pct Recovery = 101% Analysis Date = 04/18/00 Pct Recovery = 101% Analysis Date = 04/18/00 Pct Recovery = 101% Analysis Date = 04/15/00 Pct Recovery = 100% Analysis Date = 04/15/00 Pct Recovery = 100% Analysis Date = 04/12/00 Pct Recovery = 100% Analysis Date = 04/12/00 Pct Recovery = 100% Analysis Date = 04/09/00 Pct Recovery = 100% Analysis Date = 04/09/00 Pct Recovery = 100% Analysis Date = 04/06/00 Pct Recovery = 99% Analysis Date = 04/06/00 Pct Recovery = 99% Analysis Date = 04/03/00 Pct Recovery = 99% Analysis Date = 04/03/00 Pct Recovery = 99% Analysis Date = 03/31/00 Pct Recovery = 99% Analysis Date = 03/31/00 Pct Recovery = 99% Analysis Date = 03/28/00 Pct Recovery = 99% Analysis Date = 03/28/00 Pct Recovery = 99% Analysis Date = 03/25/00 Pct Recovery = 99% Analysis Date = 03/25/00 Pct Recovery = 99% Analysis Date = 03/22/00 Pct Recovery = 99% Analysis Date = 03/22/00 Pct Recovery = 99% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/16/00 Pct Recovery = 100% Analysis Date = 03/16/00 Pct Recovery = 100% Analysis Date = 03/13/00 Pct Recovery = 100% Analysis Date = 03/13/00 Pct Recovery = 100% Analysis Date = 03/10/00 Pct Recovery = 101% Analysis Date = 03/10/00 Pct Recovery = 101% Analysis Date = 03/07/00 Pct Recovery = 101% Analysis Date = 03/07/00 Pct Recovery = 101% Analysis Date = 03/04/00 Pct Recovery = 102% Analysis Date = 03/04/00 Pct Recovery = 102% Analysis Date = 03/01/00 Pct Recovery = 102% Analysis Date = 03/01/00 Pct Recovery = 102% Analysis Date = 02/27/00 Pct Recovery = 102% Analysis Date = 02/27/00 Pct Recovery = 102% Analysis Date = 02/24/00 Pct Recovery = 103% Analysis Date = 02/24/00 Pct Recovery = 103% Analysis Date = 02/22/00 Pct Recovery = 103% Analysis Date = 02/22/00 Pct Recovery = 103% Analysis Date = 02/19/00 Pct Recovery = 104% Analysis Date = 02/19/00 Pct Recovery = 104% Analysis Date = 02/16/00 Pct Recovery = 104% Analysis Date = 02/16/00 Pct Recovery = 104% Analysis Date = 02/13/00 Pct Recovery = 105% Analysis Date = 02/13/00 Pct Recovery = 105% Analysis Date = 02/10/00 Pct Recovery = 106% Analysis Date = 02/10/00 Pct Recovery = 106% Analysis Date = 02/07/00 Pct Recovery = 106% Analysis Date = 02/07/00 Pct Recovery = 106% Analysis Date = 02/04/00 Pct Recovery = 107% Analysis Date = 02/04/00 Pct Recovery = 107% Analysis Date = 02/01/00 Pct Recovery = 108% Analysis Date = 02/01/00 Pct Recovery = 108% Analysis Date = 01/29/00 Pct Recovery = 108% Analysis Date = 01/29/00 Pct Recovery = 108% Analysis Date = 01/26/00 Pct Recovery = 109% Analysis Date = 01/26/00 Pct Recovery = 109% Analysis Date = 01/23/00 Pct Recovery = 109% Analysis Date = 01/23/00 Pct Recovery = 109% Analysis Date = 01/20/00 Pct Recovery = 110% Analysis Date = 01/20/00 Pct Recovery = 110% Analysis Date = 01/17/00 Pct Recovery = 111% Analysis Date = 01/17/00 Pct Recovery = 111% Analysis Date = 01/14/00 Pct Recovery = 111% Analysis Date = 01/14/00 Pct Recovery = 111% Analysis Date = 01/11/00 Pct Recovery = 112% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
STYRENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 104% 12% 101% 8%
Total 21 104% 12% 101% 8%

Sample Statistics
STYRENE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
TERT-BUTYLBENZENE
METHOD: 4054 , TESTIDCODE: 77353GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 108% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 95% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 116% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 107% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 104% Analysis Date = 11/15/00 Pct Recovery = 108% Analysis Date = 11/13/00 Pct Recovery = 108% Analysis Date = 11/13/00 Pct Recovery = 108% Analysis Date = 11/12/00 Pct Recovery = 108% Analysis Date = 11/12/00 Pct Recovery = 108% Analysis Date = 11/11/00 Pct Recovery = 107% Analysis Date = 11/11/00 Pct Recovery = 107% Analysis Date = 11/10/00 Pct Recovery = 107% Analysis Date = 11/10/00 Pct Recovery = 107% Analysis Date = 11/08/00 Pct Recovery = 107% Analysis Date = 11/08/00 Pct Recovery = 107% Analysis Date = 11/07/00 Pct Recovery = 107% Analysis Date = 11/07/00 Pct Recovery = 107% Analysis Date = 11/06/00 Pct Recovery = 107% Analysis Date = 11/06/00 Pct Recovery = 107% Analysis Date = 11/04/00 Pct Recovery = 107% Analysis Date = 11/04/00 Pct Recovery = 107% Analysis Date = 11/03/00 Pct Recovery = 106% Analysis Date = 11/03/00 Pct Recovery = 106% Analysis Date = 11/02/00 Pct Recovery = 106% Analysis Date = 11/02/00 Pct Recovery = 106% Analysis Date = 10/31/00 Pct Recovery = 106% Analysis Date = 10/31/00 Pct Recovery = 106% Analysis Date = 10/30/00 Pct Recovery = 106% Analysis Date = 10/30/00 Pct Recovery = 106% Analysis Date = 10/29/00 Pct Recovery = 106% Analysis Date = 10/29/00 Pct Recovery = 106% Analysis Date = 10/27/00 Pct Recovery = 105% Analysis Date = 10/27/00 Pct Recovery = 105% Analysis Date = 10/26/00 Pct Recovery = 105% Analysis Date = 10/26/00 Pct Recovery = 105% Analysis Date = 10/25/00 Pct Recovery = 105% Analysis Date = 10/25/00 Pct Recovery = 105% Analysis Date = 10/23/00 Pct Recovery = 105% Analysis Date = 10/23/00 Pct Recovery = 105% Analysis Date = 10/22/00 Pct Recovery = 105% Analysis Date = 10/22/00 Pct Recovery = 105% Analysis Date = 10/21/00 Pct Recovery = 105% Analysis Date = 10/21/00 Pct Recovery = 105% Analysis Date = 10/19/00 Pct Recovery = 104% Analysis Date = 10/19/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 104% Analysis Date = 10/17/00 Pct Recovery = 104% Analysis Date = 10/17/00 Pct Recovery = 104% Analysis Date = 10/15/00 Pct Recovery = 104% Analysis Date = 10/15/00 Pct Recovery = 104% Analysis Date = 10/14/00 Pct Recovery = 104% Analysis Date = 10/14/00 Pct Recovery = 104% Analysis Date = 10/13/00 Pct Recovery = 103% Analysis Date = 10/13/00 Pct Recovery = 103% Analysis Date = 10/11/00 Pct Recovery = 103% Analysis Date = 10/11/00 Pct Recovery = 103% Analysis Date = 10/10/00 Pct Recovery = 103% Analysis Date = 10/10/00 Pct Recovery = 103% Analysis Date = 10/09/00 Pct Recovery = 103% Analysis Date = 10/09/00 Pct Recovery = 103% Analysis Date = 10/07/00 Pct Recovery = 103% Analysis Date = 10/07/00 Pct Recovery = 103% Analysis Date = 10/06/00 Pct Recovery = 102% Analysis Date = 10/06/00 Pct Recovery = 102% Analysis Date = 10/05/00 Pct Recovery = 102% Analysis Date = 10/05/00 Pct Recovery = 102% Analysis Date = 10/03/00 Pct Recovery = 102% Analysis Date = 10/03/00 Pct Recovery = 102% Analysis Date = 10/02/00 Pct Recovery = 102% Analysis Date = 10/02/00 Pct Recovery = 102% Analysis Date = 10/01/00 Pct Recovery = 102% Analysis Date = 10/01/00 Pct Recovery = 102% Analysis Date = 09/29/00 Pct Recovery = 102% Analysis Date = 09/29/00 Pct Recovery = 102% Analysis Date = 09/28/00 Pct Recovery = 101% Analysis Date = 09/28/00 Pct Recovery = 101% Analysis Date = 09/27/00 Pct Recovery = 101% Analysis Date = 09/27/00 Pct Recovery = 101% Analysis Date = 09/25/00 Pct Recovery = 101% Analysis Date = 09/25/00 Pct Recovery = 101% Analysis Date = 09/24/00 Pct Recovery = 101% Analysis Date = 09/24/00 Pct Recovery = 101% Analysis Date = 09/23/00 Pct Recovery = 101% Analysis Date = 09/23/00 Pct Recovery = 101% Analysis Date = 09/21/00 Pct Recovery = 100% Analysis Date = 09/21/00 Pct Recovery = 100% Analysis Date = 09/20/00 Pct Recovery = 100% Analysis Date = 09/20/00 Pct Recovery = 100% Analysis Date = 09/19/00 Pct Recovery = 100% Analysis Date = 09/19/00 Pct Recovery = 100% Analysis Date = 09/17/00 Pct Recovery = 100% Analysis Date = 09/17/00 Pct Recovery = 100% Analysis Date = 09/16/00 Pct Recovery = 100% Analysis Date = 09/16/00 Pct Recovery = 100% Analysis Date = 09/15/00 Pct Recovery = 100% Analysis Date = 09/15/00 Pct Recovery = 100% Analysis Date = 09/13/00 Pct Recovery = 99% Analysis Date = 09/13/00 Pct Recovery = 99% Analysis Date = 09/12/00 Pct Recovery = 99% Analysis Date = 09/12/00 Pct Recovery = 99% Analysis Date = 09/11/00 Pct Recovery = 99% Analysis Date = 09/11/00 Pct Recovery = 99% Analysis Date = 09/09/00 Pct Recovery = 99% Analysis Date = 09/09/00 Pct Recovery = 99% Analysis Date = 09/08/00 Pct Recovery = 99% Analysis Date = 09/08/00 Pct Recovery = 99% Analysis Date = 09/07/00 Pct Recovery = 98% Analysis Date = 09/07/00 Pct Recovery = 98% Analysis Date = 09/05/00 Pct Recovery = 98% Analysis Date = 09/05/00 Pct Recovery = 98% Analysis Date = 09/04/00 Pct Recovery = 98% Analysis Date = 09/04/00 Pct Recovery = 98% Analysis Date = 09/03/00 Pct Recovery = 98% Analysis Date = 09/03/00 Pct Recovery = 98% Analysis Date = 09/01/00 Pct Recovery = 98% Analysis Date = 09/01/00 Pct Recovery = 98% Analysis Date = 08/31/00 Pct Recovery = 98% Analysis Date = 08/31/00 Pct Recovery = 98% Analysis Date = 08/30/00 Pct Recovery = 97% Analysis Date = 08/30/00 Pct Recovery = 97% Analysis Date = 08/28/00 Pct Recovery = 97% Analysis Date = 08/28/00 Pct Recovery = 97% Analysis Date = 08/27/00 Pct Recovery = 97% Analysis Date = 08/27/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/24/00 Pct Recovery = 97% Analysis Date = 08/24/00 Pct Recovery = 97% Analysis Date = 08/23/00 Pct Recovery = 96% Analysis Date = 08/23/00 Pct Recovery = 96% Analysis Date = 08/22/00 Pct Recovery = 96% Analysis Date = 08/22/00 Pct Recovery = 96% Analysis Date = 08/20/00 Pct Recovery = 96% Analysis Date = 08/20/00 Pct Recovery = 96% Analysis Date = 08/19/00 Pct Recovery = 96% Analysis Date = 08/19/00 Pct Recovery = 96% Analysis Date = 08/18/00 Pct Recovery = 96% Analysis Date = 08/18/00 Pct Recovery = 96% Analysis Date = 08/17/00 Pct Recovery = 95% Analysis Date = 08/17/00 Pct Recovery = 95% Analysis Date = 08/15/00 Pct Recovery = 96% Analysis Date = 08/15/00 Pct Recovery = 96% Analysis Date = 08/14/00 Pct Recovery = 96% Analysis Date = 08/14/00 Pct Recovery = 96% Analysis Date = 08/13/00 Pct Recovery = 97% Analysis Date = 08/13/00 Pct Recovery = 97% Analysis Date = 08/11/00 Pct Recovery = 97% Analysis Date = 08/11/00 Pct Recovery = 97% Analysis Date = 08/10/00 Pct Recovery = 97% Analysis Date = 08/10/00 Pct Recovery = 97% Analysis Date = 08/09/00 Pct Recovery = 98% Analysis Date = 08/09/00 Pct Recovery = 98% Analysis Date = 08/07/00 Pct Recovery = 98% Analysis Date = 08/07/00 Pct Recovery = 98% Analysis Date = 08/06/00 Pct Recovery = 99% Analysis Date = 08/06/00 Pct Recovery = 99% Analysis Date = 08/05/00 Pct Recovery = 99% Analysis Date = 08/05/00 Pct Recovery = 99% Analysis Date = 08/03/00 Pct Recovery = 100% Analysis Date = 08/03/00 Pct Recovery = 100% Analysis Date = 08/02/00 Pct Recovery = 100% Analysis Date = 08/02/00 Pct Recovery = 100% Analysis Date = 08/01/00 Pct Recovery = 101% Analysis Date = 08/01/00 Pct Recovery = 101% Analysis Date = 07/30/00 Pct Recovery = 101% Analysis Date = 07/30/00 Pct Recovery = 101% Analysis Date = 07/29/00 Pct Recovery = 101% Analysis Date = 07/29/00 Pct Recovery = 101% Analysis Date = 07/28/00 Pct Recovery = 102% Analysis Date = 07/28/00 Pct Recovery = 102% Analysis Date = 07/26/00 Pct Recovery = 102% Analysis Date = 07/26/00 Pct Recovery = 102% Analysis Date = 07/25/00 Pct Recovery = 103% Analysis Date = 07/25/00 Pct Recovery = 103% Analysis Date = 07/24/00 Pct Recovery = 103% Analysis Date = 07/24/00 Pct Recovery = 103% Analysis Date = 07/22/00 Pct Recovery = 104% Analysis Date = 07/22/00 Pct Recovery = 104% Analysis Date = 07/21/00 Pct Recovery = 104% Analysis Date = 07/21/00 Pct Recovery = 104% Analysis Date = 07/20/00 Pct Recovery = 104% Analysis Date = 07/20/00 Pct Recovery = 104% Analysis Date = 07/18/00 Pct Recovery = 105% Analysis Date = 07/18/00 Pct Recovery = 105% Analysis Date = 07/17/00 Pct Recovery = 105% Analysis Date = 07/17/00 Pct Recovery = 105% Analysis Date = 07/16/00 Pct Recovery = 106% Analysis Date = 07/16/00 Pct Recovery = 106% Analysis Date = 07/14/00 Pct Recovery = 106% Analysis Date = 07/14/00 Pct Recovery = 106% Analysis Date = 07/13/00 Pct Recovery = 107% Analysis Date = 07/13/00 Pct Recovery = 107% Analysis Date = 07/12/00 Pct Recovery = 107% Analysis Date = 07/12/00 Pct Recovery = 107% Analysis Date = 07/10/00 Pct Recovery = 108% Analysis Date = 07/10/00 Pct Recovery = 108% Analysis Date = 07/09/00 Pct Recovery = 108% Analysis Date = 07/09/00 Pct Recovery = 108% Analysis Date = 07/08/00 Pct Recovery = 108% Analysis Date = 07/08/00 Pct Recovery = 108% Analysis Date = 07/06/00 Pct Recovery = 109% Analysis Date = 07/06/00 Pct Recovery = 109% Analysis Date = 07/05/00 Pct Recovery = 109% Analysis Date = 07/05/00 Pct Recovery = 109% Analysis Date = 07/04/00 Pct Recovery = 110% Analysis Date = 07/04/00 Pct Recovery = 110% Analysis Date = 07/02/00 Pct Recovery = 110% Analysis Date = 07/02/00 Pct Recovery = 110% Analysis Date = 07/01/00 Pct Recovery = 111% Analysis Date = 07/01/00 Pct Recovery = 111% Analysis Date = 06/30/00 Pct Recovery = 111% Analysis Date = 06/30/00 Pct Recovery = 111% Analysis Date = 06/28/00 Pct Recovery = 112% Analysis Date = 06/28/00 Pct Recovery = 112% Analysis Date = 06/27/00 Pct Recovery = 112% Analysis Date = 06/27/00 Pct Recovery = 112% Analysis Date = 06/26/00 Pct Recovery = 112% Analysis Date = 06/26/00 Pct Recovery = 112% Analysis Date = 06/24/00 Pct Recovery = 113% Analysis Date = 06/24/00 Pct Recovery = 113% Analysis Date = 06/23/00 Pct Recovery = 113% Analysis Date = 06/23/00 Pct Recovery = 113% Analysis Date = 06/22/00 Pct Recovery = 114% Analysis Date = 06/22/00 Pct Recovery = 114% Analysis Date = 06/20/00 Pct Recovery = 114% Analysis Date = 06/20/00 Pct Recovery = 114% Analysis Date = 06/19/00 Pct Recovery = 115% Analysis Date = 06/19/00 Pct Recovery = 115% Analysis Date = 06/18/00 Pct Recovery = 115% Analysis Date = 06/18/00 Pct Recovery = 115% Analysis Date = 06/16/00 Pct Recovery = 116% Analysis Date = 06/16/00 Pct Recovery = 116% Analysis Date = 06/15/00 Pct Recovery = 116% Analysis Date = 06/15/00 Pct Recovery = 116% Analysis Date = 06/14/00 Pct Recovery = 116% Analysis Date = 06/14/00 Pct Recovery = 116% Analysis Date = 06/12/00 Pct Recovery = 116% Analysis Date = 06/12/00 Pct Recovery = 116% Analysis Date = 06/11/00 Pct Recovery = 115% Analysis Date = 06/11/00 Pct Recovery = 115% Analysis Date = 06/10/00 Pct Recovery = 115% Analysis Date = 06/10/00 Pct Recovery = 115% Analysis Date = 06/08/00 Pct Recovery = 115% Analysis Date = 06/08/00 Pct Recovery = 115% Analysis Date = 06/07/00 Pct Recovery = 115% Analysis Date = 06/07/00 Pct Recovery = 115% Analysis Date = 06/06/00 Pct Recovery = 114% Analysis Date = 06/06/00 Pct Recovery = 114% Analysis Date = 06/04/00 Pct Recovery = 114% Analysis Date = 06/04/00 Pct Recovery = 114% Analysis Date = 06/03/00 Pct Recovery = 114% Analysis Date = 06/03/00 Pct Recovery = 114% Analysis Date = 06/02/00 Pct Recovery = 114% Analysis Date = 06/02/00 Pct Recovery = 114% Analysis Date = 05/31/00 Pct Recovery = 113% Analysis Date = 05/31/00 Pct Recovery = 113% Analysis Date = 05/30/00 Pct Recovery = 113% Analysis Date = 05/30/00 Pct Recovery = 113% Analysis Date = 05/29/00 Pct Recovery = 113% Analysis Date = 05/29/00 Pct Recovery = 113% Analysis Date = 05/27/00 Pct Recovery = 113% Analysis Date = 05/27/00 Pct Recovery = 113% Analysis Date = 05/26/00 Pct Recovery = 112% Analysis Date = 05/26/00 Pct Recovery = 112% Analysis Date = 05/25/00 Pct Recovery = 112% Analysis Date = 05/25/00 Pct Recovery = 112% Analysis Date = 05/24/00 Pct Recovery = 112% Analysis Date = 05/24/00 Pct Recovery = 112% Analysis Date = 05/22/00 Pct Recovery = 112% Analysis Date = 05/22/00 Pct Recovery = 112% Analysis Date = 05/21/00 Pct Recovery = 111% Analysis Date = 05/21/00 Pct Recovery = 111% Analysis Date = 05/20/00 Pct Recovery = 111% Analysis Date = 05/20/00 Pct Recovery = 111% Analysis Date = 05/18/00 Pct Recovery = 111% Analysis Date = 05/18/00 Pct Recovery = 111% Analysis Date = 05/17/00 Pct Recovery = 111% Analysis Date = 05/17/00 Pct Recovery = 111% Analysis Date = 05/16/00 Pct Recovery = 110% Analysis Date = 05/16/00 Pct Recovery = 110% Analysis Date = 05/14/00 Pct Recovery = 110% Analysis Date = 05/14/00 Pct Recovery = 110% Analysis Date = 05/13/00 Pct Recovery = 110% Analysis Date = 05/13/00 Pct Recovery = 110% Analysis Date = 05/12/00 Pct Recovery = 110% Analysis Date = 05/12/00 Pct Recovery = 110% Analysis Date = 05/10/00 Pct Recovery = 109% Analysis Date = 05/10/00 Pct Recovery = 109% Analysis Date = 05/09/00 Pct Recovery = 109% Analysis Date = 05/09/00 Pct Recovery = 109% Analysis Date = 05/08/00 Pct Recovery = 109% Analysis Date = 05/08/00 Pct Recovery = 109% Analysis Date = 05/06/00 Pct Recovery = 109% Analysis Date = 05/06/00 Pct Recovery = 109% Analysis Date = 05/05/00 Pct Recovery = 109% Analysis Date = 05/05/00 Pct Recovery = 109% Analysis Date = 05/04/00 Pct Recovery = 108% Analysis Date = 05/04/00 Pct Recovery = 108% Analysis Date = 05/02/00 Pct Recovery = 108% Analysis Date = 05/02/00 Pct Recovery = 108% Analysis Date = 05/01/00 Pct Recovery = 108% Analysis Date = 05/01/00 Pct Recovery = 108% Analysis Date = 04/30/00 Pct Recovery = 108% Analysis Date = 04/30/00 Pct Recovery = 108% Analysis Date = 04/28/00 Pct Recovery = 107% Analysis Date = 04/28/00 Pct Recovery = 107% Analysis Date = 04/27/00 Pct Recovery = 107% Analysis Date = 04/27/00 Pct Recovery = 107% Analysis Date = 04/26/00 Pct Recovery = 107% Analysis Date = 04/26/00 Pct Recovery = 107% Analysis Date = 04/24/00 Pct Recovery = 107% Analysis Date = 04/24/00 Pct Recovery = 107% Analysis Date = 04/23/00 Pct Recovery = 107% Analysis Date = 04/23/00 Pct Recovery = 107% Analysis Date = 04/22/00 Pct Recovery = 107% Analysis Date = 04/22/00 Pct Recovery = 107% Analysis Date = 04/20/00 Pct Recovery = 107% Analysis Date = 04/20/00 Pct Recovery = 107% Analysis Date = 04/19/00 Pct Recovery = 107% Analysis Date = 04/19/00 Pct Recovery = 107% Analysis Date = 04/18/00 Pct Recovery = 107% Analysis Date = 04/18/00 Pct Recovery = 107% Analysis Date = 04/16/00 Pct Recovery = 107% Analysis Date = 04/16/00 Pct Recovery = 107% Analysis Date = 04/15/00 Pct Recovery = 107% Analysis Date = 04/15/00 Pct Recovery = 107% Analysis Date = 04/14/00 Pct Recovery = 106% Analysis Date = 04/14/00 Pct Recovery = 106% Analysis Date = 04/12/00 Pct Recovery = 106% Analysis Date = 04/12/00 Pct Recovery = 106% Analysis Date = 04/11/00 Pct Recovery = 106% Analysis Date = 04/11/00 Pct Recovery = 106% Analysis Date = 04/10/00 Pct Recovery = 106% Analysis Date = 04/10/00 Pct Recovery = 106% Analysis Date = 04/08/00 Pct Recovery = 106% Analysis Date = 04/08/00 Pct Recovery = 106% Analysis Date = 04/07/00 Pct Recovery = 106% Analysis Date = 04/07/00 Pct Recovery = 106% Analysis Date = 04/06/00 Pct Recovery = 106% Analysis Date = 04/06/00 Pct Recovery = 106% Analysis Date = 04/04/00 Pct Recovery = 106% Analysis Date = 04/04/00 Pct Recovery = 106% Analysis Date = 04/03/00 Pct Recovery = 106% Analysis Date = 04/03/00 Pct Recovery = 106% Analysis Date = 04/02/00 Pct Recovery = 106% Analysis Date = 04/02/00 Pct Recovery = 106% Analysis Date = 03/31/00 Pct Recovery = 106% Analysis Date = 03/31/00 Pct Recovery = 106% Analysis Date = 03/30/00 Pct Recovery = 106% Analysis Date = 03/30/00 Pct Recovery = 106% Analysis Date = 03/29/00 Pct Recovery = 106% Analysis Date = 03/29/00 Pct Recovery = 106% Analysis Date = 03/27/00 Pct Recovery = 106% Analysis Date = 03/27/00 Pct Recovery = 106% Analysis Date = 03/26/00 Pct Recovery = 106% Analysis Date = 03/26/00 Pct Recovery = 106% Analysis Date = 03/25/00 Pct Recovery = 106% Analysis Date = 03/25/00 Pct Recovery = 106% Analysis Date = 03/23/00 Pct Recovery = 105% Analysis Date = 03/23/00 Pct Recovery = 105% Analysis Date = 03/22/00 Pct Recovery = 105% Analysis Date = 03/22/00 Pct Recovery = 105% Analysis Date = 03/21/00 Pct Recovery = 105% Analysis Date = 03/21/00 Pct Recovery = 105% Analysis Date = 03/19/00 Pct Recovery = 105% Analysis Date = 03/19/00 Pct Recovery = 105% Analysis Date = 03/18/00 Pct Recovery = 105% Analysis Date = 03/18/00 Pct Recovery = 105% Analysis Date = 03/17/00 Pct Recovery = 105% Analysis Date = 03/17/00 Pct Recovery = 105% Analysis Date = 03/15/00 Pct Recovery = 105% Analysis Date = 03/15/00 Pct Recovery = 105% Analysis Date = 03/14/00 Pct Recovery = 105% Analysis Date = 03/14/00 Pct Recovery = 105% Analysis Date = 03/13/00 Pct Recovery = 105% Analysis Date = 03/13/00 Pct Recovery = 105% Analysis Date = 03/11/00 Pct Recovery = 105% Analysis Date = 03/11/00 Pct Recovery = 105% Analysis Date = 03/10/00 Pct Recovery = 105% Analysis Date = 03/10/00 Pct Recovery = 105% Analysis Date = 03/09/00 Pct Recovery = 105% Analysis Date = 03/09/00 Pct Recovery = 105% Analysis Date = 03/07/00 Pct Recovery = 105% Analysis Date = 03/07/00 Pct Recovery = 105% Analysis Date = 03/06/00 Pct Recovery = 105% Analysis Date = 03/06/00 Pct Recovery = 105% Analysis Date = 03/05/00 Pct Recovery = 105% Analysis Date = 03/05/00 Pct Recovery = 105% Analysis Date = 03/03/00 Pct Recovery = 105% Analysis Date = 03/03/00 Pct Recovery = 105% Analysis Date = 03/02/00 Pct Recovery = 105% Analysis Date = 03/02/00 Pct Recovery = 105% Analysis Date = 03/01/00 Pct Recovery = 104% Analysis Date = 03/01/00 Pct Recovery = 104% Analysis Date = 02/28/00 Pct Recovery = 104% Analysis Date = 02/28/00 Pct Recovery = 104% Analysis Date = 02/27/00 Pct Recovery = 104% Analysis Date = 02/27/00 Pct Recovery = 104% Analysis Date = 02/26/00 Pct Recovery = 104% Analysis Date = 02/26/00 Pct Recovery = 104% Analysis Date = 02/25/00 Pct Recovery = 104% Analysis Date = 02/25/00 Pct Recovery = 104% Analysis Date = 02/23/00 Pct Recovery = 104% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
TERT-BUTYLBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 106% 7% 107% 3%
Total 5 106% 7% 107% 3%

Sample Statistics
TERT-BUTYLBENZENE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31

BQS OBSP Determination:
TERT-BUTYL METHYL ETHER (MTBE)
METHOD: 4054 , TESTIDCODE: 78032GCM66
Open Data Set

Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 103% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 104% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 124% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 107% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 93% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 92% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 106% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 103% Analysis Date = 07/31/01 Pct Recovery = 102% Analysis Date = 07/28/01 Pct Recovery = 102% Analysis Date = 07/28/01 Pct Recovery = 102% Analysis Date = 07/25/01 Pct Recovery = 102% Analysis Date = 07/25/01 Pct Recovery = 102% Analysis Date = 07/23/01 Pct Recovery = 102% Analysis Date = 07/23/01 Pct Recovery = 102% Analysis Date = 07/20/01 Pct Recovery = 103% Analysis Date = 07/20/01 Pct Recovery = 103% Analysis Date = 07/17/01 Pct Recovery = 103% Analysis Date = 07/17/01 Pct Recovery = 103% Analysis Date = 07/15/01 Pct Recovery = 103% Analysis Date = 07/15/01 Pct Recovery = 103% Analysis Date = 07/12/01 Pct Recovery = 103% Analysis Date = 07/12/01 Pct Recovery = 103% Analysis Date = 07/10/01 Pct Recovery = 104% Analysis Date = 07/10/01 Pct Recovery = 104% Analysis Date = 07/07/01 Pct Recovery = 104% Analysis Date = 07/07/01 Pct Recovery = 104% Analysis Date = 07/04/01 Pct Recovery = 104% Analysis Date = 07/04/01 Pct Recovery = 104% Analysis Date = 07/02/01 Pct Recovery = 104% Analysis Date = 07/02/01 Pct Recovery = 104% Analysis Date = 06/29/01 Pct Recovery = 104% Analysis Date = 06/29/01 Pct Recovery = 104% Analysis Date = 06/26/01 Pct Recovery = 105% Analysis Date = 06/26/01 Pct Recovery = 105% Analysis Date = 06/24/01 Pct Recovery = 105% Analysis Date = 06/24/01 Pct Recovery = 105% Analysis Date = 06/21/01 Pct Recovery = 105% Analysis Date = 06/21/01 Pct Recovery = 105% Analysis Date = 06/19/01 Pct Recovery = 105% Analysis Date = 06/19/01 Pct Recovery = 105% Analysis Date = 06/16/01 Pct Recovery = 105% Analysis Date = 06/16/01 Pct Recovery = 105% Analysis Date = 06/13/01 Pct Recovery = 106% Analysis Date = 06/13/01 Pct Recovery = 106% Analysis Date = 06/11/01 Pct Recovery = 106% Analysis Date = 06/11/01 Pct Recovery = 106% Analysis Date = 06/08/01 Pct Recovery = 106% Analysis Date = 06/08/01 Pct Recovery = 106% Analysis Date = 06/06/01 Pct Recovery = 106% Analysis Date = 06/06/01 Pct Recovery = 106% Analysis Date = 06/03/01 Pct Recovery = 107% Analysis Date = 06/03/01 Pct Recovery = 107% Analysis Date = 05/31/01 Pct Recovery = 107% Analysis Date = 05/31/01 Pct Recovery = 107% Analysis Date = 05/29/01 Pct Recovery = 107% Analysis Date = 05/29/01 Pct Recovery = 107% Analysis Date = 05/26/01 Pct Recovery = 107% Analysis Date = 05/26/01 Pct Recovery = 107% Analysis Date = 05/23/01 Pct Recovery = 107% Analysis Date = 05/23/01 Pct Recovery = 107% Analysis Date = 05/21/01 Pct Recovery = 108% Analysis Date = 05/21/01 Pct Recovery = 108% Analysis Date = 05/18/01 Pct Recovery = 108% Analysis Date = 05/18/01 Pct Recovery = 108% Analysis Date = 05/16/01 Pct Recovery = 108% Analysis Date = 05/16/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/10/01 Pct Recovery = 109% Analysis Date = 05/10/01 Pct Recovery = 109% Analysis Date = 05/08/01 Pct Recovery = 109% Analysis Date = 05/08/01 Pct Recovery = 109% Analysis Date = 05/05/01 Pct Recovery = 109% Analysis Date = 05/05/01 Pct Recovery = 109% Analysis Date = 05/03/01 Pct Recovery = 109% Analysis Date = 05/03/01 Pct Recovery = 109% Analysis Date = 04/30/01 Pct Recovery = 109% Analysis Date = 04/30/01 Pct Recovery = 109% Analysis Date = 04/27/01 Pct Recovery = 110% Analysis Date = 04/27/01 Pct Recovery = 110% Analysis Date = 04/25/01 Pct Recovery = 110% Analysis Date = 04/25/01 Pct Recovery = 110% Analysis Date = 04/22/01 Pct Recovery = 110% Analysis Date = 04/22/01 Pct Recovery = 110% Analysis Date = 04/19/01 Pct Recovery = 110% Analysis Date = 04/19/01 Pct Recovery = 110% Analysis Date = 04/17/01 Pct Recovery = 111% Analysis Date = 04/17/01 Pct Recovery = 111% Analysis Date = 04/14/01 Pct Recovery = 111% Analysis Date = 04/14/01 Pct Recovery = 111% Analysis Date = 04/12/01 Pct Recovery = 111% Analysis Date = 04/12/01 Pct Recovery = 111% Analysis Date = 04/09/01 Pct Recovery = 111% Analysis Date = 04/09/01 Pct Recovery = 111% Analysis Date = 04/06/01 Pct Recovery = 111% Analysis Date = 04/06/01 Pct Recovery = 111% Analysis Date = 04/04/01 Pct Recovery = 111% Analysis Date = 04/04/01 Pct Recovery = 111% Analysis Date = 04/01/01 Pct Recovery = 112% Analysis Date = 04/01/01 Pct Recovery = 112% Analysis Date = 03/30/01 Pct Recovery = 112% Analysis Date = 03/30/01 Pct Recovery = 112% Analysis Date = 03/27/01 Pct Recovery = 112% Analysis Date = 03/27/01 Pct Recovery = 112% Analysis Date = 03/24/01 Pct Recovery = 112% Analysis Date = 03/24/01 Pct Recovery = 112% Analysis Date = 03/22/01 Pct Recovery = 112% Analysis Date = 03/22/01 Pct Recovery = 112% Analysis Date = 03/19/01 Pct Recovery = 112% Analysis Date = 03/19/01 Pct Recovery = 112% Analysis Date = 03/16/01 Pct Recovery = 112% Analysis Date = 03/16/01 Pct Recovery = 112% Analysis Date = 03/14/01 Pct Recovery = 112% Analysis Date = 03/14/01 Pct Recovery = 112% Analysis Date = 03/11/01 Pct Recovery = 113% Analysis Date = 03/11/01 Pct Recovery = 113% Analysis Date = 03/09/01 Pct Recovery = 113% Analysis Date = 03/09/01 Pct Recovery = 113% Analysis Date = 03/06/01 Pct Recovery = 113% Analysis Date = 03/06/01 Pct Recovery = 113% Analysis Date = 03/03/01 Pct Recovery = 113% Analysis Date = 03/03/01 Pct Recovery = 113% Analysis Date = 03/01/01 Pct Recovery = 113% Analysis Date = 03/01/01 Pct Recovery = 113% Analysis Date = 02/26/01 Pct Recovery = 113% Analysis Date = 02/26/01 Pct Recovery = 113% Analysis Date = 02/24/01 Pct Recovery = 113% Analysis Date = 02/24/01 Pct Recovery = 113% Analysis Date = 02/21/01 Pct Recovery = 113% Analysis Date = 02/21/01 Pct Recovery = 113% Analysis Date = 02/18/01 Pct Recovery = 113% Analysis Date = 02/18/01 Pct Recovery = 113% Analysis Date = 02/16/01 Pct Recovery = 113% Analysis Date = 02/16/01 Pct Recovery = 113% Analysis Date = 02/13/01 Pct Recovery = 113% Analysis Date = 02/13/01 Pct Recovery = 113% Analysis Date = 02/10/01 Pct Recovery = 113% Analysis Date = 02/10/01 Pct Recovery = 113% Analysis Date = 02/08/01 Pct Recovery = 112% Analysis Date = 02/08/01 Pct Recovery = 112% Analysis Date = 02/05/01 Pct Recovery = 112% Analysis Date = 02/05/01 Pct Recovery = 112% Analysis Date = 02/03/01 Pct Recovery = 112% Analysis Date = 02/03/01 Pct Recovery = 112% Analysis Date = 01/31/01 Pct Recovery = 112% Analysis Date = 01/31/01 Pct Recovery = 112% Analysis Date = 01/28/01 Pct Recovery = 112% Analysis Date = 01/28/01 Pct Recovery = 112% Analysis Date = 01/26/01 Pct Recovery = 112% Analysis Date = 01/26/01 Pct Recovery = 112% Analysis Date = 01/23/01 Pct Recovery = 112% Analysis Date = 01/23/01 Pct Recovery = 112% Analysis Date = 01/20/01 Pct Recovery = 111% Analysis Date = 01/20/01 Pct Recovery = 111% Analysis Date = 01/18/01 Pct Recovery = 111% Analysis Date = 01/18/01 Pct Recovery = 111% Analysis Date = 01/15/01 Pct Recovery = 111% Analysis Date = 01/15/01 Pct Recovery = 111% Analysis Date = 01/13/01 Pct Recovery = 111% Analysis Date = 01/13/01 Pct Recovery = 111% Analysis Date = 01/10/01 Pct Recovery = 111% Analysis Date = 01/10/01 Pct Recovery = 111% Analysis Date = 01/07/01 Pct Recovery = 111% Analysis Date = 01/07/01 Pct Recovery = 111% Analysis Date = 01/05/01 Pct Recovery = 110% Analysis Date = 01/05/01 Pct Recovery = 110% Analysis Date = 01/02/01 Pct Recovery = 110% Analysis Date = 01/02/01 Pct Recovery = 110% Analysis Date = 12/31/00 Pct Recovery = 110% Analysis Date = 12/31/00 Pct Recovery = 110% Analysis Date = 12/28/00 Pct Recovery = 110% Analysis Date = 12/28/00 Pct Recovery = 110% Analysis Date = 12/25/00 Pct Recovery = 110% Analysis Date = 12/25/00 Pct Recovery = 110% Analysis Date = 12/23/00 Pct Recovery = 110% Analysis Date = 12/23/00 Pct Recovery = 110% Analysis Date = 12/20/00 Pct Recovery = 109% Analysis Date = 12/20/00 Pct Recovery = 109% Analysis Date = 12/17/00 Pct Recovery = 109% Analysis Date = 12/17/00 Pct Recovery = 109% Analysis Date = 12/15/00 Pct Recovery = 109% Analysis Date = 12/15/00 Pct Recovery = 109% Analysis Date = 12/12/00 Pct Recovery = 109% Analysis Date = 12/12/00 Pct Recovery = 109% Analysis Date = 12/10/00 Pct Recovery = 109% Analysis Date = 12/10/00 Pct Recovery = 109% Analysis Date = 12/07/00 Pct Recovery = 109% Analysis Date = 12/07/00 Pct Recovery = 109% Analysis Date = 12/04/00 Pct Recovery = 109% Analysis Date = 12/04/00 Pct Recovery = 109% Analysis Date = 12/02/00 Pct Recovery = 108% Analysis Date = 12/02/00 Pct Recovery = 108% Analysis Date = 11/29/00 Pct Recovery = 108% Analysis Date = 11/29/00 Pct Recovery = 108% Analysis Date = 11/27/00 Pct Recovery = 108% Analysis Date = 11/27/00 Pct Recovery = 108% Analysis Date = 11/24/00 Pct Recovery = 108% Analysis Date = 11/24/00 Pct Recovery = 108% Analysis Date = 11/21/00 Pct Recovery = 108% Analysis Date = 11/21/00 Pct Recovery = 108% Analysis Date = 11/19/00 Pct Recovery = 108% Analysis Date = 11/19/00 Pct Recovery = 108% Analysis Date = 11/16/00 Pct Recovery = 107% Analysis Date = 11/16/00 Pct Recovery = 107% Analysis Date = 11/13/00 Pct Recovery = 107% Analysis Date = 11/13/00 Pct Recovery = 107% Analysis Date = 11/11/00 Pct Recovery = 107% Analysis Date = 11/11/00 Pct Recovery = 107% Analysis Date = 11/08/00 Pct Recovery = 106% Analysis Date = 11/08/00 Pct Recovery = 106% Analysis Date = 11/06/00 Pct Recovery = 106% Analysis Date = 11/06/00 Pct Recovery = 106% Analysis Date = 11/03/00 Pct Recovery = 106% Analysis Date = 11/03/00 Pct Recovery = 106% Analysis Date = 10/31/00 Pct Recovery = 105% Analysis Date = 10/31/00 Pct Recovery = 105% Analysis Date = 10/29/00 Pct Recovery = 105% Analysis Date = 10/29/00 Pct Recovery = 105% Analysis Date = 10/26/00 Pct Recovery = 104% Analysis Date = 10/26/00 Pct Recovery = 104% Analysis Date = 10/24/00 Pct Recovery = 104% Analysis Date = 10/24/00 Pct Recovery = 104% Analysis Date = 10/21/00 Pct Recovery = 104% Analysis Date = 10/21/00 Pct Recovery = 104% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/16/00 Pct Recovery = 103% Analysis Date = 10/16/00 Pct Recovery = 103% Analysis Date = 10/13/00 Pct Recovery = 103% Analysis Date = 10/13/00 Pct Recovery = 103% Analysis Date = 10/10/00 Pct Recovery = 102% Analysis Date = 10/10/00 Pct Recovery = 102% Analysis Date = 10/08/00 Pct Recovery = 102% Analysis Date = 10/08/00 Pct Recovery = 102% Analysis Date = 10/05/00 Pct Recovery = 101% Analysis Date = 10/05/00 Pct Recovery = 101% Analysis Date = 10/03/00 Pct Recovery = 101% Analysis Date = 10/03/00 Pct Recovery = 101% Analysis Date = 09/30/00 Pct Recovery = 101% Analysis Date = 09/30/00 Pct Recovery = 101% Analysis Date = 09/27/00 Pct Recovery = 100% Analysis Date = 09/27/00 Pct Recovery = 100% Analysis Date = 09/25/00 Pct Recovery = 100% Analysis Date = 09/25/00 Pct Recovery = 100% Analysis Date = 09/22/00 Pct Recovery = 100% Analysis Date = 09/22/00 Pct Recovery = 100% Analysis Date = 09/20/00 Pct Recovery = 99% Analysis Date = 09/20/00 Pct Recovery = 99% Analysis Date = 09/17/00 Pct Recovery = 99% Analysis Date = 09/17/00 Pct Recovery = 99% Analysis Date = 09/14/00 Pct Recovery = 98% Analysis Date = 09/14/00 Pct Recovery = 98% Analysis Date = 09/12/00 Pct Recovery = 98% Analysis Date = 09/12/00 Pct Recovery = 98% Analysis Date = 09/09/00 Pct Recovery = 98% Analysis Date = 09/09/00 Pct Recovery = 98% Analysis Date = 09/06/00 Pct Recovery = 97% Analysis Date = 09/06/00 Pct Recovery = 97% Analysis Date = 09/04/00 Pct Recovery = 97% Analysis Date = 09/04/00 Pct Recovery = 97% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 08/30/00 Pct Recovery = 96% Analysis Date = 08/30/00 Pct Recovery = 96% Analysis Date = 08/27/00 Pct Recovery = 96% Analysis Date = 08/27/00 Pct Recovery = 96% Analysis Date = 08/24/00 Pct Recovery = 95% Analysis Date = 08/24/00 Pct Recovery = 95% Analysis Date = 08/22/00 Pct Recovery = 95% Analysis Date = 08/22/00 Pct Recovery = 95% Analysis Date = 08/19/00 Pct Recovery = 95% Analysis Date = 08/19/00 Pct Recovery = 95% Analysis Date = 08/16/00 Pct Recovery = 94% Analysis Date = 08/16/00 Pct Recovery = 94% Analysis Date = 08/14/00 Pct Recovery = 94% Analysis Date = 08/14/00 Pct Recovery = 94% Analysis Date = 08/11/00 Pct Recovery = 94% Analysis Date = 08/11/00 Pct Recovery = 94% Analysis Date = 08/09/00 Pct Recovery = 94% Analysis Date = 08/09/00 Pct Recovery = 94% Analysis Date = 08/06/00 Pct Recovery = 95% Analysis Date = 08/06/00 Pct Recovery = 95% Analysis Date = 08/03/00 Pct Recovery = 95% Analysis Date = 08/03/00 Pct Recovery = 95% Analysis Date = 08/01/00 Pct Recovery = 95% Analysis Date = 08/01/00 Pct Recovery = 95% Analysis Date = 07/29/00 Pct Recovery = 95% Analysis Date = 07/29/00 Pct Recovery = 95% Analysis Date = 07/27/00 Pct Recovery = 95% Analysis Date = 07/27/00 Pct Recovery = 95% Analysis Date = 07/24/00 Pct Recovery = 95% Analysis Date = 07/24/00 Pct Recovery = 95% Analysis Date = 07/21/00 Pct Recovery = 95% Analysis Date = 07/21/00 Pct Recovery = 95% Analysis Date = 07/19/00 Pct Recovery = 95% Analysis Date = 07/19/00 Pct Recovery = 95% Analysis Date = 07/16/00 Pct Recovery = 95% Analysis Date = 07/16/00 Pct Recovery = 95% Analysis Date = 07/13/00 Pct Recovery = 96% Analysis Date = 07/13/00 Pct Recovery = 96% Analysis Date = 07/11/00 Pct Recovery = 96% Analysis Date = 07/11/00 Pct Recovery = 96% Analysis Date = 07/08/00 Pct Recovery = 96% Analysis Date = 07/08/00 Pct Recovery = 96% Analysis Date = 07/06/00 Pct Recovery = 96% Analysis Date = 07/06/00 Pct Recovery = 96% Analysis Date = 07/03/00 Pct Recovery = 96% Analysis Date = 07/03/00 Pct Recovery = 96% Analysis Date = 06/30/00 Pct Recovery = 96% Analysis Date = 06/30/00 Pct Recovery = 96% Analysis Date = 06/28/00 Pct Recovery = 96% Analysis Date = 06/28/00 Pct Recovery = 96% Analysis Date = 06/25/00 Pct Recovery = 96% Analysis Date = 06/25/00 Pct Recovery = 96% Analysis Date = 06/23/00 Pct Recovery = 96% Analysis Date = 06/23/00 Pct Recovery = 96% Analysis Date = 06/20/00 Pct Recovery = 97% Analysis Date = 06/20/00 Pct Recovery = 97% Analysis Date = 06/17/00 Pct Recovery = 97% Analysis Date = 06/17/00 Pct Recovery = 97% Analysis Date = 06/15/00 Pct Recovery = 97% Analysis Date = 06/15/00 Pct Recovery = 97% Analysis Date = 06/12/00 Pct Recovery = 97% Analysis Date = 06/12/00 Pct Recovery = 97% Analysis Date = 06/09/00 Pct Recovery = 97% Analysis Date = 06/09/00 Pct Recovery = 97% Analysis Date = 06/07/00 Pct Recovery = 97% Analysis Date = 06/07/00 Pct Recovery = 97% Analysis Date = 06/04/00 Pct Recovery = 98% Analysis Date = 06/04/00 Pct Recovery = 98% Analysis Date = 06/02/00 Pct Recovery = 98% Analysis Date = 06/02/00 Pct Recovery = 98% Analysis Date = 05/30/00 Pct Recovery = 98% Analysis Date = 05/30/00 Pct Recovery = 98% Analysis Date = 05/27/00 Pct Recovery = 98% Analysis Date = 05/27/00 Pct Recovery = 98% Analysis Date = 05/25/00 Pct Recovery = 99% Analysis Date = 05/25/00 Pct Recovery = 99% Analysis Date = 05/22/00 Pct Recovery = 99% Analysis Date = 05/22/00 Pct Recovery = 99% Analysis Date = 05/20/00 Pct Recovery = 99% Analysis Date = 05/20/00 Pct Recovery = 99% Analysis Date = 05/17/00 Pct Recovery = 99% Analysis Date = 05/17/00 Pct Recovery = 99% Analysis Date = 05/14/00 Pct Recovery = 99% Analysis Date = 05/14/00 Pct Recovery = 99% Analysis Date = 05/12/00 Pct Recovery = 100% Analysis Date = 05/12/00 Pct Recovery = 100% Analysis Date = 05/09/00 Pct Recovery = 100% Analysis Date = 05/09/00 Pct Recovery = 100% Analysis Date = 05/06/00 Pct Recovery = 100% Analysis Date = 05/06/00 Pct Recovery = 100% Analysis Date = 05/04/00 Pct Recovery = 100% Analysis Date = 05/04/00 Pct Recovery = 100% Analysis Date = 05/01/00 Pct Recovery = 101% Analysis Date = 05/01/00 Pct Recovery = 101% Analysis Date = 04/29/00 Pct Recovery = 101% Analysis Date = 04/29/00 Pct Recovery = 101% Analysis Date = 04/26/00 Pct Recovery = 101% Analysis Date = 04/26/00 Pct Recovery = 101% Analysis Date = 04/23/00 Pct Recovery = 101% Analysis Date = 04/23/00 Pct Recovery = 101% Analysis Date = 04/21/00 Pct Recovery = 101% Analysis Date = 04/21/00 Pct Recovery = 101% Analysis Date = 04/18/00 Pct Recovery = 101% Analysis Date = 04/18/00 Pct Recovery = 101% Analysis Date = 04/16/00 Pct Recovery = 102% Analysis Date = 04/16/00 Pct Recovery = 102% Analysis Date = 04/13/00 Pct Recovery = 102% Analysis Date = 04/13/00 Pct Recovery = 102% Analysis Date = 04/10/00 Pct Recovery = 102% Analysis Date = 04/10/00 Pct Recovery = 102% Analysis Date = 04/08/00 Pct Recovery = 102% Analysis Date = 04/08/00 Pct Recovery = 102% Analysis Date = 04/05/00 Pct Recovery = 102% Analysis Date = 04/05/00 Pct Recovery = 102% Analysis Date = 04/02/00 Pct Recovery = 102% Analysis Date = 04/02/00 Pct Recovery = 102% Analysis Date = 03/31/00 Pct Recovery = 103% Analysis Date = 03/31/00 Pct Recovery = 103% Analysis Date = 03/28/00 Pct Recovery = 103% Analysis Date = 03/28/00 Pct Recovery = 103% Analysis Date = 03/26/00 Pct Recovery = 103% Analysis Date = 03/26/00 Pct Recovery = 103% Analysis Date = 03/23/00 Pct Recovery = 103% Analysis Date = 03/23/00 Pct Recovery = 103% Analysis Date = 03/20/00 Pct Recovery = 103% Analysis Date = 03/20/00 Pct Recovery = 103% Analysis Date = 03/18/00 Pct Recovery = 103% Analysis Date = 03/18/00 Pct Recovery = 103% Analysis Date = 03/15/00 Pct Recovery = 104% Analysis Date = 03/15/00 Pct Recovery = 104% Analysis Date = 03/13/00 Pct Recovery = 104% Analysis Date = 03/13/00 Pct Recovery = 104% Analysis Date = 03/10/00 Pct Recovery = 104% Analysis Date = 03/10/00 Pct Recovery = 104% Analysis Date = 03/07/00 Pct Recovery = 104% Analysis Date = 03/07/00 Pct Recovery = 104% Analysis Date = 03/05/00 Pct Recovery = 104% Analysis Date = 03/05/00 Pct Recovery = 104% Analysis Date = 03/02/00 Pct Recovery = 104% Analysis Date = 03/02/00 Pct Recovery = 104% Analysis Date = 02/28/00 Pct Recovery = 104% Analysis Date = 02/28/00 Pct Recovery = 104% Analysis Date = 02/26/00 Pct Recovery = 105% Analysis Date = 02/26/00 Pct Recovery = 105% Analysis Date = 02/23/00 Pct Recovery = 105% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
TERT-BUTYL METHYL ETHER (MTBE)

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 8 104% 10% 104% 7%
Total 8 104% 10% 104% 7%

Sample Statistics
TERT-BUTYL METHYL ETHER (MTBE)

Characteristic N % % Basis
Plotted 8 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 8 .  
False Negatives 0 0% 0 out of 8
Not Spiked 28 .  
False Positives 0 0% 0 out of 28

BQS OBSP Determination:
TERT-PENTYL METHYL ETHER (TAME)
METHOD: 4054 , TESTIDCODE: 50005GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 105% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 94% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
TERT-PENTYL METHYL ETHER (TAME)

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 2 100% 8% 100% 9%
Total 2 100% 8% 100% 9%

Sample Statistics
TERT-PENTYL METHYL ETHER (TAME)

Characteristic N % % Basis
Plotted 2 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 2 .  
False Negatives 0 0% 0 out of 2
Not Spiked 34 .  
False Positives 0 0% 0 out of 34

BQS OBSP Determination:
TETRACHLOROETHYLENE
METHOD: 4054 , TESTIDCODE: 34475GCM66
Open Data Set

Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 99% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 98% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 95% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 108% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 98% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 102% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 95% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 106% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 98% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 87% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 109% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 106% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 103% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 115% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 95% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 99% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 97% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 99% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 111% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 122% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 101% Analysis Date = 08/24/01 Pct Recovery = 100% Analysis Date = 08/22/01 Pct Recovery = 100% Analysis Date = 08/22/01 Pct Recovery = 100% Analysis Date = 08/19/01 Pct Recovery = 100% Analysis Date = 08/19/01 Pct Recovery = 100% Analysis Date = 08/16/01 Pct Recovery = 100% Analysis Date = 08/16/01 Pct Recovery = 100% Analysis Date = 08/13/01 Pct Recovery = 100% Analysis Date = 08/13/01 Pct Recovery = 100% Analysis Date = 08/10/01 Pct Recovery = 100% Analysis Date = 08/10/01 Pct Recovery = 100% Analysis Date = 08/07/01 Pct Recovery = 100% Analysis Date = 08/07/01 Pct Recovery = 100% Analysis Date = 08/04/01 Pct Recovery = 100% Analysis Date = 08/04/01 Pct Recovery = 100% Analysis Date = 08/01/01 Pct Recovery = 100% Analysis Date = 08/01/01 Pct Recovery = 100% Analysis Date = 07/29/01 Pct Recovery = 100% Analysis Date = 07/29/01 Pct Recovery = 100% Analysis Date = 07/26/01 Pct Recovery = 100% Analysis Date = 07/26/01 Pct Recovery = 100% Analysis Date = 07/23/01 Pct Recovery = 100% Analysis Date = 07/23/01 Pct Recovery = 100% Analysis Date = 07/20/01 Pct Recovery = 100% Analysis Date = 07/20/01 Pct Recovery = 100% Analysis Date = 07/17/01 Pct Recovery = 100% Analysis Date = 07/17/01 Pct Recovery = 100% Analysis Date = 07/14/01 Pct Recovery = 100% Analysis Date = 07/14/01 Pct Recovery = 100% Analysis Date = 07/11/01 Pct Recovery = 100% Analysis Date = 07/11/01 Pct Recovery = 100% Analysis Date = 07/08/01 Pct Recovery = 100% Analysis Date = 07/08/01 Pct Recovery = 100% Analysis Date = 07/05/01 Pct Recovery = 100% Analysis Date = 07/05/01 Pct Recovery = 100% Analysis Date = 07/02/01 Pct Recovery = 100% Analysis Date = 07/02/01 Pct Recovery = 100% Analysis Date = 06/29/01 Pct Recovery = 100% Analysis Date = 06/29/01 Pct Recovery = 100% Analysis Date = 06/26/01 Pct Recovery = 100% Analysis Date = 06/26/01 Pct Recovery = 100% Analysis Date = 06/23/01 Pct Recovery = 100% Analysis Date = 06/23/01 Pct Recovery = 100% Analysis Date = 06/20/01 Pct Recovery = 100% Analysis Date = 06/20/01 Pct Recovery = 100% Analysis Date = 06/17/01 Pct Recovery = 100% Analysis Date = 06/17/01 Pct Recovery = 100% Analysis Date = 06/15/01 Pct Recovery = 100% Analysis Date = 06/15/01 Pct Recovery = 100% Analysis Date = 06/12/01 Pct Recovery = 100% Analysis Date = 06/12/01 Pct Recovery = 100% Analysis Date = 06/09/01 Pct Recovery = 100% Analysis Date = 06/09/01 Pct Recovery = 100% Analysis Date = 06/06/01 Pct Recovery = 100% Analysis Date = 06/06/01 Pct Recovery = 100% Analysis Date = 06/03/01 Pct Recovery = 100% Analysis Date = 06/03/01 Pct Recovery = 100% Analysis Date = 05/31/01 Pct Recovery = 100% Analysis Date = 05/31/01 Pct Recovery = 100% Analysis Date = 05/28/01 Pct Recovery = 100% Analysis Date = 05/28/01 Pct Recovery = 100% Analysis Date = 05/25/01 Pct Recovery = 100% Analysis Date = 05/25/01 Pct Recovery = 100% Analysis Date = 05/22/01 Pct Recovery = 100% Analysis Date = 05/22/01 Pct Recovery = 100% Analysis Date = 05/19/01 Pct Recovery = 100% Analysis Date = 05/19/01 Pct Recovery = 100% Analysis Date = 05/16/01 Pct Recovery = 100% Analysis Date = 05/16/01 Pct Recovery = 100% Analysis Date = 05/13/01 Pct Recovery = 100% Analysis Date = 05/13/01 Pct Recovery = 100% Analysis Date = 05/10/01 Pct Recovery = 101% Analysis Date = 05/10/01 Pct Recovery = 101% Analysis Date = 05/07/01 Pct Recovery = 101% Analysis Date = 05/07/01 Pct Recovery = 101% Analysis Date = 05/04/01 Pct Recovery = 101% Analysis Date = 05/04/01 Pct Recovery = 101% Analysis Date = 05/01/01 Pct Recovery = 101% Analysis Date = 05/01/01 Pct Recovery = 101% Analysis Date = 04/28/01 Pct Recovery = 101% Analysis Date = 04/28/01 Pct Recovery = 101% Analysis Date = 04/25/01 Pct Recovery = 101% Analysis Date = 04/25/01 Pct Recovery = 101% Analysis Date = 04/22/01 Pct Recovery = 101% Analysis Date = 04/22/01 Pct Recovery = 101% Analysis Date = 04/19/01 Pct Recovery = 101% Analysis Date = 04/19/01 Pct Recovery = 101% Analysis Date = 04/16/01 Pct Recovery = 101% Analysis Date = 04/16/01 Pct Recovery = 101% Analysis Date = 04/13/01 Pct Recovery = 101% Analysis Date = 04/13/01 Pct Recovery = 101% Analysis Date = 04/10/01 Pct Recovery = 101% Analysis Date = 04/10/01 Pct Recovery = 101% Analysis Date = 04/08/01 Pct Recovery = 101% Analysis Date = 04/08/01 Pct Recovery = 101% Analysis Date = 04/05/01 Pct Recovery = 101% Analysis Date = 04/05/01 Pct Recovery = 101% Analysis Date = 04/02/01 Pct Recovery = 101% Analysis Date = 04/02/01 Pct Recovery = 101% Analysis Date = 03/30/01 Pct Recovery = 101% Analysis Date = 03/30/01 Pct Recovery = 101% Analysis Date = 03/27/01 Pct Recovery = 101% Analysis Date = 03/27/01 Pct Recovery = 101% Analysis Date = 03/24/01 Pct Recovery = 101% Analysis Date = 03/24/01 Pct Recovery = 101% Analysis Date = 03/21/01 Pct Recovery = 101% Analysis Date = 03/21/01 Pct Recovery = 101% Analysis Date = 03/18/01 Pct Recovery = 101% Analysis Date = 03/18/01 Pct Recovery = 101% Analysis Date = 03/15/01 Pct Recovery = 101% Analysis Date = 03/15/01 Pct Recovery = 101% Analysis Date = 03/12/01 Pct Recovery = 101% Analysis Date = 03/12/01 Pct Recovery = 101% Analysis Date = 03/09/01 Pct Recovery = 101% Analysis Date = 03/09/01 Pct Recovery = 101% Analysis Date = 03/06/01 Pct Recovery = 101% Analysis Date = 03/06/01 Pct Recovery = 101% Analysis Date = 03/03/01 Pct Recovery = 101% Analysis Date = 03/03/01 Pct Recovery = 101% Analysis Date = 02/28/01 Pct Recovery = 101% Analysis Date = 02/28/01 Pct Recovery = 101% Analysis Date = 02/25/01 Pct Recovery = 101% Analysis Date = 02/25/01 Pct Recovery = 101% Analysis Date = 02/22/01 Pct Recovery = 101% Analysis Date = 02/22/01 Pct Recovery = 101% Analysis Date = 02/19/01 Pct Recovery = 101% Analysis Date = 02/19/01 Pct Recovery = 101% Analysis Date = 02/16/01 Pct Recovery = 101% Analysis Date = 02/16/01 Pct Recovery = 101% Analysis Date = 02/13/01 Pct Recovery = 101% Analysis Date = 02/13/01 Pct Recovery = 101% Analysis Date = 02/10/01 Pct Recovery = 101% Analysis Date = 02/10/01 Pct Recovery = 101% Analysis Date = 02/07/01 Pct Recovery = 101% Analysis Date = 02/07/01 Pct Recovery = 101% Analysis Date = 02/04/01 Pct Recovery = 101% Analysis Date = 02/04/01 Pct Recovery = 101% Analysis Date = 02/01/01 Pct Recovery = 101% Analysis Date = 02/01/01 Pct Recovery = 101% Analysis Date = 01/30/01 Pct Recovery = 101% Analysis Date = 01/30/01 Pct Recovery = 101% Analysis Date = 01/27/01 Pct Recovery = 101% Analysis Date = 01/27/01 Pct Recovery = 101% Analysis Date = 01/24/01 Pct Recovery = 101% Analysis Date = 01/24/01 Pct Recovery = 101% Analysis Date = 01/21/01 Pct Recovery = 101% Analysis Date = 01/21/01 Pct Recovery = 101% Analysis Date = 01/18/01 Pct Recovery = 101% Analysis Date = 01/18/01 Pct Recovery = 101% Analysis Date = 01/15/01 Pct Recovery = 101% Analysis Date = 01/15/01 Pct Recovery = 101% Analysis Date = 01/12/01 Pct Recovery = 101% Analysis Date = 01/12/01 Pct Recovery = 101% Analysis Date = 01/09/01 Pct Recovery = 101% Analysis Date = 01/09/01 Pct Recovery = 101% Analysis Date = 01/06/01 Pct Recovery = 101% Analysis Date = 01/06/01 Pct Recovery = 101% Analysis Date = 01/03/01 Pct Recovery = 101% Analysis Date = 01/03/01 Pct Recovery = 101% Analysis Date = 12/31/00 Pct Recovery = 101% Analysis Date = 12/31/00 Pct Recovery = 101% Analysis Date = 12/28/00 Pct Recovery = 101% Analysis Date = 12/28/00 Pct Recovery = 101% Analysis Date = 12/25/00 Pct Recovery = 101% Analysis Date = 12/25/00 Pct Recovery = 101% Analysis Date = 12/22/00 Pct Recovery = 101% Analysis Date = 12/22/00 Pct Recovery = 101% Analysis Date = 12/19/00 Pct Recovery = 101% Analysis Date = 12/19/00 Pct Recovery = 101% Analysis Date = 12/16/00 Pct Recovery = 101% Analysis Date = 12/16/00 Pct Recovery = 101% Analysis Date = 12/13/00 Pct Recovery = 101% Analysis Date = 12/13/00 Pct Recovery = 101% Analysis Date = 12/10/00 Pct Recovery = 101% Analysis Date = 12/10/00 Pct Recovery = 101% Analysis Date = 12/07/00 Pct Recovery = 101% Analysis Date = 12/07/00 Pct Recovery = 101% Analysis Date = 12/04/00 Pct Recovery = 101% Analysis Date = 12/04/00 Pct Recovery = 101% Analysis Date = 12/01/00 Pct Recovery = 101% Analysis Date = 12/01/00 Pct Recovery = 101% Analysis Date = 11/28/00 Pct Recovery = 101% Analysis Date = 11/28/00 Pct Recovery = 101% Analysis Date = 11/25/00 Pct Recovery = 101% Analysis Date = 11/25/00 Pct Recovery = 101% Analysis Date = 11/23/00 Pct Recovery = 101% Analysis Date = 11/23/00 Pct Recovery = 101% Analysis Date = 11/20/00 Pct Recovery = 101% Analysis Date = 11/20/00 Pct Recovery = 101% Analysis Date = 11/17/00 Pct Recovery = 101% Analysis Date = 11/17/00 Pct Recovery = 101% Analysis Date = 11/14/00 Pct Recovery = 101% Analysis Date = 11/14/00 Pct Recovery = 101% Analysis Date = 11/11/00 Pct Recovery = 101% Analysis Date = 11/11/00 Pct Recovery = 101% Analysis Date = 11/08/00 Pct Recovery = 101% Analysis Date = 11/08/00 Pct Recovery = 101% Analysis Date = 11/05/00 Pct Recovery = 101% Analysis Date = 11/05/00 Pct Recovery = 101% Analysis Date = 11/02/00 Pct Recovery = 101% Analysis Date = 11/02/00 Pct Recovery = 101% Analysis Date = 10/30/00 Pct Recovery = 101% Analysis Date = 10/30/00 Pct Recovery = 101% Analysis Date = 10/27/00 Pct Recovery = 101% Analysis Date = 10/27/00 Pct Recovery = 101% Analysis Date = 10/24/00 Pct Recovery = 101% Analysis Date = 10/24/00 Pct Recovery = 101% Analysis Date = 10/21/00 Pct Recovery = 101% Analysis Date = 10/21/00 Pct Recovery = 101% Analysis Date = 10/18/00 Pct Recovery = 101% Analysis Date = 10/18/00 Pct Recovery = 101% Analysis Date = 10/15/00 Pct Recovery = 101% Analysis Date = 10/15/00 Pct Recovery = 101% Analysis Date = 10/12/00 Pct Recovery = 101% Analysis Date = 10/12/00 Pct Recovery = 101% Analysis Date = 10/09/00 Pct Recovery = 101% Analysis Date = 10/09/00 Pct Recovery = 101% Analysis Date = 10/06/00 Pct Recovery = 101% Analysis Date = 10/06/00 Pct Recovery = 101% Analysis Date = 10/03/00 Pct Recovery = 101% Analysis Date = 10/03/00 Pct Recovery = 101% Analysis Date = 09/30/00 Pct Recovery = 101% Analysis Date = 09/30/00 Pct Recovery = 101% Analysis Date = 09/27/00 Pct Recovery = 101% Analysis Date = 09/27/00 Pct Recovery = 101% Analysis Date = 09/24/00 Pct Recovery = 101% Analysis Date = 09/24/00 Pct Recovery = 101% Analysis Date = 09/21/00 Pct Recovery = 102% Analysis Date = 09/21/00 Pct Recovery = 102% Analysis Date = 09/18/00 Pct Recovery = 102% Analysis Date = 09/18/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/10/00 Pct Recovery = 102% Analysis Date = 09/10/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/01/00 Pct Recovery = 102% Analysis Date = 09/01/00 Pct Recovery = 102% Analysis Date = 08/29/00 Pct Recovery = 102% Analysis Date = 08/29/00 Pct Recovery = 102% Analysis Date = 08/26/00 Pct Recovery = 102% Analysis Date = 08/26/00 Pct Recovery = 102% Analysis Date = 08/23/00 Pct Recovery = 102% Analysis Date = 08/23/00 Pct Recovery = 102% Analysis Date = 08/20/00 Pct Recovery = 102% Analysis Date = 08/20/00 Pct Recovery = 102% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 103% Analysis Date = 08/02/00 Pct Recovery = 103% Analysis Date = 07/30/00 Pct Recovery = 103% Analysis Date = 07/30/00 Pct Recovery = 103% Analysis Date = 07/27/00 Pct Recovery = 103% Analysis Date = 07/27/00 Pct Recovery = 103% Analysis Date = 07/24/00 Pct Recovery = 103% Analysis Date = 07/24/00 Pct Recovery = 103% Analysis Date = 07/21/00 Pct Recovery = 103% Analysis Date = 07/21/00 Pct Recovery = 103% Analysis Date = 07/18/00 Pct Recovery = 103% Analysis Date = 07/18/00 Pct Recovery = 103% Analysis Date = 07/15/00 Pct Recovery = 103% Analysis Date = 07/15/00 Pct Recovery = 103% Analysis Date = 07/12/00 Pct Recovery = 103% Analysis Date = 07/12/00 Pct Recovery = 103% Analysis Date = 07/09/00 Pct Recovery = 103% Analysis Date = 07/09/00 Pct Recovery = 103% Analysis Date = 07/07/00 Pct Recovery = 103% Analysis Date = 07/07/00 Pct Recovery = 103% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 07/01/00 Pct Recovery = 104% Analysis Date = 07/01/00 Pct Recovery = 104% Analysis Date = 06/28/00 Pct Recovery = 104% Analysis Date = 06/28/00 Pct Recovery = 104% Analysis Date = 06/25/00 Pct Recovery = 104% Analysis Date = 06/25/00 Pct Recovery = 104% Analysis Date = 06/22/00 Pct Recovery = 104% Analysis Date = 06/22/00 Pct Recovery = 104% Analysis Date = 06/19/00 Pct Recovery = 104% Analysis Date = 06/19/00 Pct Recovery = 104% Analysis Date = 06/16/00 Pct Recovery = 104% Analysis Date = 06/16/00 Pct Recovery = 104% Analysis Date = 06/13/00 Pct Recovery = 104% Analysis Date = 06/13/00 Pct Recovery = 104% Analysis Date = 06/10/00 Pct Recovery = 104% Analysis Date = 06/10/00 Pct Recovery = 104% Analysis Date = 06/07/00 Pct Recovery = 104% Analysis Date = 06/07/00 Pct Recovery = 104% Analysis Date = 06/04/00 Pct Recovery = 105% Analysis Date = 06/04/00 Pct Recovery = 105% Analysis Date = 06/01/00 Pct Recovery = 105% Analysis Date = 06/01/00 Pct Recovery = 105% Analysis Date = 05/29/00 Pct Recovery = 105% Analysis Date = 05/29/00 Pct Recovery = 105% Analysis Date = 05/26/00 Pct Recovery = 105% Analysis Date = 05/26/00 Pct Recovery = 105% Analysis Date = 05/23/00 Pct Recovery = 105% Analysis Date = 05/23/00 Pct Recovery = 105% Analysis Date = 05/20/00 Pct Recovery = 105% Analysis Date = 05/20/00 Pct Recovery = 105% Analysis Date = 05/17/00 Pct Recovery = 105% Analysis Date = 05/17/00 Pct Recovery = 105% Analysis Date = 05/14/00 Pct Recovery = 105% Analysis Date = 05/14/00 Pct Recovery = 105% Analysis Date = 05/11/00 Pct Recovery = 105% Analysis Date = 05/11/00 Pct Recovery = 105% Analysis Date = 05/08/00 Pct Recovery = 105% Analysis Date = 05/08/00 Pct Recovery = 105% Analysis Date = 05/05/00 Pct Recovery = 105% Analysis Date = 05/05/00 Pct Recovery = 105% Analysis Date = 05/02/00 Pct Recovery = 105% Analysis Date = 05/02/00 Pct Recovery = 105% Analysis Date = 04/30/00 Pct Recovery = 105% Analysis Date = 04/30/00 Pct Recovery = 105% Analysis Date = 04/27/00 Pct Recovery = 105% Analysis Date = 04/27/00 Pct Recovery = 105% Analysis Date = 04/24/00 Pct Recovery = 105% Analysis Date = 04/24/00 Pct Recovery = 105% Analysis Date = 04/21/00 Pct Recovery = 104% Analysis Date = 04/21/00 Pct Recovery = 104% Analysis Date = 04/18/00 Pct Recovery = 104% Analysis Date = 04/18/00 Pct Recovery = 104% Analysis Date = 04/15/00 Pct Recovery = 104% Analysis Date = 04/15/00 Pct Recovery = 104% Analysis Date = 04/12/00 Pct Recovery = 103% Analysis Date = 04/12/00 Pct Recovery = 103% Analysis Date = 04/09/00 Pct Recovery = 103% Analysis Date = 04/09/00 Pct Recovery = 103% Analysis Date = 04/06/00 Pct Recovery = 102% Analysis Date = 04/06/00 Pct Recovery = 102% Analysis Date = 04/03/00 Pct Recovery = 102% Analysis Date = 04/03/00 Pct Recovery = 102% Analysis Date = 03/31/00 Pct Recovery = 102% Analysis Date = 03/31/00 Pct Recovery = 102% Analysis Date = 03/28/00 Pct Recovery = 101% Analysis Date = 03/28/00 Pct Recovery = 101% Analysis Date = 03/25/00 Pct Recovery = 101% Analysis Date = 03/25/00 Pct Recovery = 101% Analysis Date = 03/22/00 Pct Recovery = 100% Analysis Date = 03/22/00 Pct Recovery = 100% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/16/00 Pct Recovery = 100% Analysis Date = 03/16/00 Pct Recovery = 100% Analysis Date = 03/13/00 Pct Recovery = 100% Analysis Date = 03/13/00 Pct Recovery = 100% Analysis Date = 03/10/00 Pct Recovery = 100% Analysis Date = 03/10/00 Pct Recovery = 100% Analysis Date = 03/07/00 Pct Recovery = 100% Analysis Date = 03/07/00 Pct Recovery = 100% Analysis Date = 03/04/00 Pct Recovery = 100% Analysis Date = 03/04/00 Pct Recovery = 100% Analysis Date = 03/01/00 Pct Recovery = 100% Analysis Date = 03/01/00 Pct Recovery = 100% Analysis Date = 02/27/00 Pct Recovery = 100% Analysis Date = 02/27/00 Pct Recovery = 100% Analysis Date = 02/24/00 Pct Recovery = 100% Analysis Date = 02/24/00 Pct Recovery = 100% Analysis Date = 02/22/00 Pct Recovery = 101% Analysis Date = 02/22/00 Pct Recovery = 101% Analysis Date = 02/19/00 Pct Recovery = 101% Analysis Date = 02/19/00 Pct Recovery = 101% Analysis Date = 02/16/00 Pct Recovery = 101% Analysis Date = 02/16/00 Pct Recovery = 101% Analysis Date = 02/13/00 Pct Recovery = 101% Analysis Date = 02/13/00 Pct Recovery = 101% Analysis Date = 02/10/00 Pct Recovery = 102% Analysis Date = 02/10/00 Pct Recovery = 102% Analysis Date = 02/07/00 Pct Recovery = 102% Analysis Date = 02/07/00 Pct Recovery = 102% Analysis Date = 02/04/00 Pct Recovery = 102% Analysis Date = 02/04/00 Pct Recovery = 102% Analysis Date = 02/01/00 Pct Recovery = 102% Analysis Date = 02/01/00 Pct Recovery = 102% Analysis Date = 01/29/00 Pct Recovery = 102% Analysis Date = 01/29/00 Pct Recovery = 102% Analysis Date = 01/26/00 Pct Recovery = 103% Analysis Date = 01/26/00 Pct Recovery = 103% Analysis Date = 01/23/00 Pct Recovery = 103% Analysis Date = 01/23/00 Pct Recovery = 103% Analysis Date = 01/20/00 Pct Recovery = 103% Analysis Date = 01/20/00 Pct Recovery = 103% Analysis Date = 01/17/00 Pct Recovery = 103% Analysis Date = 01/17/00 Pct Recovery = 103% Analysis Date = 01/14/00 Pct Recovery = 104% Analysis Date = 01/14/00 Pct Recovery = 104% Analysis Date = 01/11/00 Pct Recovery = 104% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
TETRACHLOROETHYLENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 102% 8% 99% 6%
Total 21 102% 8% 99% 6%

Sample Statistics
TETRACHLOROETHYLENE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 4 27% 4 out of 15

BQS OBSP Determination:
TETRACHLOROMETHANE
METHOD: 4054 , TESTIDCODE: 32102GCM66
Open Data Set

Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 102% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 107% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 101% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 110% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 103% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 99% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 93% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 106% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 104% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 90% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 111% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 101% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 90% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 107% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 89% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 102% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 110% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 106% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 105% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 102% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 103% Analysis Date = 08/24/01 Pct Recovery = 104% Analysis Date = 08/22/01 Pct Recovery = 104% Analysis Date = 08/22/01 Pct Recovery = 104% Analysis Date = 08/19/01 Pct Recovery = 104% Analysis Date = 08/19/01 Pct Recovery = 104% Analysis Date = 08/16/01 Pct Recovery = 104% Analysis Date = 08/16/01 Pct Recovery = 104% Analysis Date = 08/13/01 Pct Recovery = 104% Analysis Date = 08/13/01 Pct Recovery = 104% Analysis Date = 08/10/01 Pct Recovery = 104% Analysis Date = 08/10/01 Pct Recovery = 104% Analysis Date = 08/07/01 Pct Recovery = 104% Analysis Date = 08/07/01 Pct Recovery = 104% Analysis Date = 08/04/01 Pct Recovery = 104% Analysis Date = 08/04/01 Pct Recovery = 104% Analysis Date = 08/01/01 Pct Recovery = 104% Analysis Date = 08/01/01 Pct Recovery = 104% Analysis Date = 07/29/01 Pct Recovery = 104% Analysis Date = 07/29/01 Pct Recovery = 104% Analysis Date = 07/26/01 Pct Recovery = 104% Analysis Date = 07/26/01 Pct Recovery = 104% Analysis Date = 07/23/01 Pct Recovery = 104% Analysis Date = 07/23/01 Pct Recovery = 104% Analysis Date = 07/20/01 Pct Recovery = 104% Analysis Date = 07/20/01 Pct Recovery = 104% Analysis Date = 07/17/01 Pct Recovery = 104% Analysis Date = 07/17/01 Pct Recovery = 104% Analysis Date = 07/14/01 Pct Recovery = 104% Analysis Date = 07/14/01 Pct Recovery = 104% Analysis Date = 07/11/01 Pct Recovery = 104% Analysis Date = 07/11/01 Pct Recovery = 104% Analysis Date = 07/08/01 Pct Recovery = 104% Analysis Date = 07/08/01 Pct Recovery = 104% Analysis Date = 07/05/01 Pct Recovery = 104% Analysis Date = 07/05/01 Pct Recovery = 104% Analysis Date = 07/02/01 Pct Recovery = 104% Analysis Date = 07/02/01 Pct Recovery = 104% Analysis Date = 06/29/01 Pct Recovery = 104% Analysis Date = 06/29/01 Pct Recovery = 104% Analysis Date = 06/26/01 Pct Recovery = 104% Analysis Date = 06/26/01 Pct Recovery = 104% Analysis Date = 06/23/01 Pct Recovery = 104% Analysis Date = 06/23/01 Pct Recovery = 104% Analysis Date = 06/20/01 Pct Recovery = 104% Analysis Date = 06/20/01 Pct Recovery = 104% Analysis Date = 06/17/01 Pct Recovery = 104% Analysis Date = 06/17/01 Pct Recovery = 104% Analysis Date = 06/15/01 Pct Recovery = 104% Analysis Date = 06/15/01 Pct Recovery = 104% Analysis Date = 06/12/01 Pct Recovery = 104% Analysis Date = 06/12/01 Pct Recovery = 104% Analysis Date = 06/09/01 Pct Recovery = 104% Analysis Date = 06/09/01 Pct Recovery = 104% Analysis Date = 06/06/01 Pct Recovery = 104% Analysis Date = 06/06/01 Pct Recovery = 104% Analysis Date = 06/03/01 Pct Recovery = 104% Analysis Date = 06/03/01 Pct Recovery = 104% Analysis Date = 05/31/01 Pct Recovery = 104% Analysis Date = 05/31/01 Pct Recovery = 104% Analysis Date = 05/28/01 Pct Recovery = 104% Analysis Date = 05/28/01 Pct Recovery = 104% Analysis Date = 05/25/01 Pct Recovery = 104% Analysis Date = 05/25/01 Pct Recovery = 104% Analysis Date = 05/22/01 Pct Recovery = 104% Analysis Date = 05/22/01 Pct Recovery = 104% Analysis Date = 05/19/01 Pct Recovery = 104% Analysis Date = 05/19/01 Pct Recovery = 104% Analysis Date = 05/16/01 Pct Recovery = 104% Analysis Date = 05/16/01 Pct Recovery = 104% Analysis Date = 05/13/01 Pct Recovery = 104% Analysis Date = 05/13/01 Pct Recovery = 104% Analysis Date = 05/10/01 Pct Recovery = 104% Analysis Date = 05/10/01 Pct Recovery = 104% Analysis Date = 05/07/01 Pct Recovery = 104% Analysis Date = 05/07/01 Pct Recovery = 104% Analysis Date = 05/04/01 Pct Recovery = 104% Analysis Date = 05/04/01 Pct Recovery = 104% Analysis Date = 05/01/01 Pct Recovery = 104% Analysis Date = 05/01/01 Pct Recovery = 104% Analysis Date = 04/28/01 Pct Recovery = 104% Analysis Date = 04/28/01 Pct Recovery = 104% Analysis Date = 04/25/01 Pct Recovery = 104% Analysis Date = 04/25/01 Pct Recovery = 104% Analysis Date = 04/22/01 Pct Recovery = 104% Analysis Date = 04/22/01 Pct Recovery = 104% Analysis Date = 04/19/01 Pct Recovery = 104% Analysis Date = 04/19/01 Pct Recovery = 104% Analysis Date = 04/16/01 Pct Recovery = 104% Analysis Date = 04/16/01 Pct Recovery = 104% Analysis Date = 04/13/01 Pct Recovery = 104% Analysis Date = 04/13/01 Pct Recovery = 104% Analysis Date = 04/10/01 Pct Recovery = 104% Analysis Date = 04/10/01 Pct Recovery = 104% Analysis Date = 04/08/01 Pct Recovery = 104% Analysis Date = 04/08/01 Pct Recovery = 104% Analysis Date = 04/05/01 Pct Recovery = 104% Analysis Date = 04/05/01 Pct Recovery = 104% Analysis Date = 04/02/01 Pct Recovery = 104% Analysis Date = 04/02/01 Pct Recovery = 104% Analysis Date = 03/30/01 Pct Recovery = 104% Analysis Date = 03/30/01 Pct Recovery = 104% Analysis Date = 03/27/01 Pct Recovery = 104% Analysis Date = 03/27/01 Pct Recovery = 104% Analysis Date = 03/24/01 Pct Recovery = 104% Analysis Date = 03/24/01 Pct Recovery = 104% Analysis Date = 03/21/01 Pct Recovery = 104% Analysis Date = 03/21/01 Pct Recovery = 104% Analysis Date = 03/18/01 Pct Recovery = 104% Analysis Date = 03/18/01 Pct Recovery = 104% Analysis Date = 03/15/01 Pct Recovery = 104% Analysis Date = 03/15/01 Pct Recovery = 104% Analysis Date = 03/12/01 Pct Recovery = 104% Analysis Date = 03/12/01 Pct Recovery = 104% Analysis Date = 03/09/01 Pct Recovery = 104% Analysis Date = 03/09/01 Pct Recovery = 104% Analysis Date = 03/06/01 Pct Recovery = 104% Analysis Date = 03/06/01 Pct Recovery = 104% Analysis Date = 03/03/01 Pct Recovery = 104% Analysis Date = 03/03/01 Pct Recovery = 104% Analysis Date = 02/28/01 Pct Recovery = 104% Analysis Date = 02/28/01 Pct Recovery = 104% Analysis Date = 02/25/01 Pct Recovery = 104% Analysis Date = 02/25/01 Pct Recovery = 104% Analysis Date = 02/22/01 Pct Recovery = 104% Analysis Date = 02/22/01 Pct Recovery = 104% Analysis Date = 02/19/01 Pct Recovery = 104% Analysis Date = 02/19/01 Pct Recovery = 104% Analysis Date = 02/16/01 Pct Recovery = 104% Analysis Date = 02/16/01 Pct Recovery = 104% Analysis Date = 02/13/01 Pct Recovery = 104% Analysis Date = 02/13/01 Pct Recovery = 104% Analysis Date = 02/10/01 Pct Recovery = 103% Analysis Date = 02/10/01 Pct Recovery = 103% Analysis Date = 02/07/01 Pct Recovery = 103% Analysis Date = 02/07/01 Pct Recovery = 103% Analysis Date = 02/04/01 Pct Recovery = 103% Analysis Date = 02/04/01 Pct Recovery = 103% Analysis Date = 02/01/01 Pct Recovery = 103% Analysis Date = 02/01/01 Pct Recovery = 103% Analysis Date = 01/30/01 Pct Recovery = 103% Analysis Date = 01/30/01 Pct Recovery = 103% Analysis Date = 01/27/01 Pct Recovery = 103% Analysis Date = 01/27/01 Pct Recovery = 103% Analysis Date = 01/24/01 Pct Recovery = 103% Analysis Date = 01/24/01 Pct Recovery = 103% Analysis Date = 01/21/01 Pct Recovery = 103% Analysis Date = 01/21/01 Pct Recovery = 103% Analysis Date = 01/18/01 Pct Recovery = 103% Analysis Date = 01/18/01 Pct Recovery = 103% Analysis Date = 01/15/01 Pct Recovery = 103% Analysis Date = 01/15/01 Pct Recovery = 103% Analysis Date = 01/12/01 Pct Recovery = 103% Analysis Date = 01/12/01 Pct Recovery = 103% Analysis Date = 01/09/01 Pct Recovery = 103% Analysis Date = 01/09/01 Pct Recovery = 103% Analysis Date = 01/06/01 Pct Recovery = 103% Analysis Date = 01/06/01 Pct Recovery = 103% Analysis Date = 01/03/01 Pct Recovery = 103% Analysis Date = 01/03/01 Pct Recovery = 103% Analysis Date = 12/31/00 Pct Recovery = 103% Analysis Date = 12/31/00 Pct Recovery = 103% Analysis Date = 12/28/00 Pct Recovery = 103% Analysis Date = 12/28/00 Pct Recovery = 103% Analysis Date = 12/25/00 Pct Recovery = 103% Analysis Date = 12/25/00 Pct Recovery = 103% Analysis Date = 12/22/00 Pct Recovery = 103% Analysis Date = 12/22/00 Pct Recovery = 103% Analysis Date = 12/19/00 Pct Recovery = 103% Analysis Date = 12/19/00 Pct Recovery = 103% Analysis Date = 12/16/00 Pct Recovery = 103% Analysis Date = 12/16/00 Pct Recovery = 103% Analysis Date = 12/13/00 Pct Recovery = 103% Analysis Date = 12/13/00 Pct Recovery = 103% Analysis Date = 12/10/00 Pct Recovery = 103% Analysis Date = 12/10/00 Pct Recovery = 103% Analysis Date = 12/07/00 Pct Recovery = 103% Analysis Date = 12/07/00 Pct Recovery = 103% Analysis Date = 12/04/00 Pct Recovery = 103% Analysis Date = 12/04/00 Pct Recovery = 103% Analysis Date = 12/01/00 Pct Recovery = 103% Analysis Date = 12/01/00 Pct Recovery = 103% Analysis Date = 11/28/00 Pct Recovery = 103% Analysis Date = 11/28/00 Pct Recovery = 103% Analysis Date = 11/25/00 Pct Recovery = 103% Analysis Date = 11/25/00 Pct Recovery = 103% Analysis Date = 11/23/00 Pct Recovery = 103% Analysis Date = 11/23/00 Pct Recovery = 103% Analysis Date = 11/20/00 Pct Recovery = 103% Analysis Date = 11/20/00 Pct Recovery = 103% Analysis Date = 11/17/00 Pct Recovery = 103% Analysis Date = 11/17/00 Pct Recovery = 103% Analysis Date = 11/14/00 Pct Recovery = 103% Analysis Date = 11/14/00 Pct Recovery = 103% Analysis Date = 11/11/00 Pct Recovery = 103% Analysis Date = 11/11/00 Pct Recovery = 103% Analysis Date = 11/08/00 Pct Recovery = 103% Analysis Date = 11/08/00 Pct Recovery = 103% Analysis Date = 11/05/00 Pct Recovery = 103% Analysis Date = 11/05/00 Pct Recovery = 103% Analysis Date = 11/02/00 Pct Recovery = 103% Analysis Date = 11/02/00 Pct Recovery = 103% Analysis Date = 10/30/00 Pct Recovery = 103% Analysis Date = 10/30/00 Pct Recovery = 103% Analysis Date = 10/27/00 Pct Recovery = 103% Analysis Date = 10/27/00 Pct Recovery = 103% Analysis Date = 10/24/00 Pct Recovery = 103% Analysis Date = 10/24/00 Pct Recovery = 103% Analysis Date = 10/21/00 Pct Recovery = 103% Analysis Date = 10/21/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/15/00 Pct Recovery = 103% Analysis Date = 10/15/00 Pct Recovery = 103% Analysis Date = 10/12/00 Pct Recovery = 103% Analysis Date = 10/12/00 Pct Recovery = 103% Analysis Date = 10/09/00 Pct Recovery = 103% Analysis Date = 10/09/00 Pct Recovery = 103% Analysis Date = 10/06/00 Pct Recovery = 103% Analysis Date = 10/06/00 Pct Recovery = 103% Analysis Date = 10/03/00 Pct Recovery = 103% Analysis Date = 10/03/00 Pct Recovery = 103% Analysis Date = 09/30/00 Pct Recovery = 103% Analysis Date = 09/30/00 Pct Recovery = 103% Analysis Date = 09/27/00 Pct Recovery = 103% Analysis Date = 09/27/00 Pct Recovery = 103% Analysis Date = 09/24/00 Pct Recovery = 103% Analysis Date = 09/24/00 Pct Recovery = 103% Analysis Date = 09/21/00 Pct Recovery = 103% Analysis Date = 09/21/00 Pct Recovery = 103% Analysis Date = 09/18/00 Pct Recovery = 103% Analysis Date = 09/18/00 Pct Recovery = 103% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/10/00 Pct Recovery = 102% Analysis Date = 09/10/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/01/00 Pct Recovery = 102% Analysis Date = 09/01/00 Pct Recovery = 102% Analysis Date = 08/29/00 Pct Recovery = 102% Analysis Date = 08/29/00 Pct Recovery = 102% Analysis Date = 08/26/00 Pct Recovery = 102% Analysis Date = 08/26/00 Pct Recovery = 102% Analysis Date = 08/23/00 Pct Recovery = 102% Analysis Date = 08/23/00 Pct Recovery = 102% Analysis Date = 08/20/00 Pct Recovery = 102% Analysis Date = 08/20/00 Pct Recovery = 102% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 101% Analysis Date = 08/08/00 Pct Recovery = 101% Analysis Date = 08/05/00 Pct Recovery = 101% Analysis Date = 08/05/00 Pct Recovery = 101% Analysis Date = 08/02/00 Pct Recovery = 101% Analysis Date = 08/02/00 Pct Recovery = 101% Analysis Date = 07/30/00 Pct Recovery = 101% Analysis Date = 07/30/00 Pct Recovery = 101% Analysis Date = 07/27/00 Pct Recovery = 101% Analysis Date = 07/27/00 Pct Recovery = 101% Analysis Date = 07/24/00 Pct Recovery = 101% Analysis Date = 07/24/00 Pct Recovery = 101% Analysis Date = 07/21/00 Pct Recovery = 101% Analysis Date = 07/21/00 Pct Recovery = 101% Analysis Date = 07/18/00 Pct Recovery = 101% Analysis Date = 07/18/00 Pct Recovery = 101% Analysis Date = 07/15/00 Pct Recovery = 101% Analysis Date = 07/15/00 Pct Recovery = 101% Analysis Date = 07/12/00 Pct Recovery = 101% Analysis Date = 07/12/00 Pct Recovery = 101% Analysis Date = 07/09/00 Pct Recovery = 101% Analysis Date = 07/09/00 Pct Recovery = 101% Analysis Date = 07/07/00 Pct Recovery = 101% Analysis Date = 07/07/00 Pct Recovery = 101% Analysis Date = 07/04/00 Pct Recovery = 101% Analysis Date = 07/04/00 Pct Recovery = 101% Analysis Date = 07/01/00 Pct Recovery = 101% Analysis Date = 07/01/00 Pct Recovery = 101% Analysis Date = 06/28/00 Pct Recovery = 101% Analysis Date = 06/28/00 Pct Recovery = 101% Analysis Date = 06/25/00 Pct Recovery = 101% Analysis Date = 06/25/00 Pct Recovery = 101% Analysis Date = 06/22/00 Pct Recovery = 101% Analysis Date = 06/22/00 Pct Recovery = 101% Analysis Date = 06/19/00 Pct Recovery = 101% Analysis Date = 06/19/00 Pct Recovery = 101% Analysis Date = 06/16/00 Pct Recovery = 101% Analysis Date = 06/16/00 Pct Recovery = 101% Analysis Date = 06/13/00 Pct Recovery = 101% Analysis Date = 06/13/00 Pct Recovery = 101% Analysis Date = 06/10/00 Pct Recovery = 101% Analysis Date = 06/10/00 Pct Recovery = 101% Analysis Date = 06/07/00 Pct Recovery = 101% Analysis Date = 06/07/00 Pct Recovery = 101% Analysis Date = 06/04/00 Pct Recovery = 101% Analysis Date = 06/04/00 Pct Recovery = 101% Analysis Date = 06/01/00 Pct Recovery = 101% Analysis Date = 06/01/00 Pct Recovery = 101% Analysis Date = 05/29/00 Pct Recovery = 101% Analysis Date = 05/29/00 Pct Recovery = 101% Analysis Date = 05/26/00 Pct Recovery = 101% Analysis Date = 05/26/00 Pct Recovery = 101% Analysis Date = 05/23/00 Pct Recovery = 101% Analysis Date = 05/23/00 Pct Recovery = 101% Analysis Date = 05/20/00 Pct Recovery = 101% Analysis Date = 05/20/00 Pct Recovery = 101% Analysis Date = 05/17/00 Pct Recovery = 102% Analysis Date = 05/17/00 Pct Recovery = 102% Analysis Date = 05/14/00 Pct Recovery = 102% Analysis Date = 05/14/00 Pct Recovery = 102% Analysis Date = 05/11/00 Pct Recovery = 102% Analysis Date = 05/11/00 Pct Recovery = 102% Analysis Date = 05/08/00 Pct Recovery = 102% Analysis Date = 05/08/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/05/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 05/02/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/30/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/27/00 Pct Recovery = 102% Analysis Date = 04/24/00 Pct Recovery = 102% Analysis Date = 04/24/00 Pct Recovery = 102% Analysis Date = 04/21/00 Pct Recovery = 101% Analysis Date = 04/21/00 Pct Recovery = 101% Analysis Date = 04/18/00 Pct Recovery = 101% Analysis Date = 04/18/00 Pct Recovery = 101% Analysis Date = 04/15/00 Pct Recovery = 101% Analysis Date = 04/15/00 Pct Recovery = 101% Analysis Date = 04/12/00 Pct Recovery = 100% Analysis Date = 04/12/00 Pct Recovery = 100% Analysis Date = 04/09/00 Pct Recovery = 100% Analysis Date = 04/09/00 Pct Recovery = 100% Analysis Date = 04/06/00 Pct Recovery = 100% Analysis Date = 04/06/00 Pct Recovery = 100% Analysis Date = 04/03/00 Pct Recovery = 100% Analysis Date = 04/03/00 Pct Recovery = 100% Analysis Date = 03/31/00 Pct Recovery = 99% Analysis Date = 03/31/00 Pct Recovery = 99% Analysis Date = 03/28/00 Pct Recovery = 99% Analysis Date = 03/28/00 Pct Recovery = 99% Analysis Date = 03/25/00 Pct Recovery = 99% Analysis Date = 03/25/00 Pct Recovery = 99% Analysis Date = 03/22/00 Pct Recovery = 99% Analysis Date = 03/22/00 Pct Recovery = 99% Analysis Date = 03/19/00 Pct Recovery = 99% Analysis Date = 03/19/00 Pct Recovery = 99% Analysis Date = 03/16/00 Pct Recovery = 99% Analysis Date = 03/16/00 Pct Recovery = 99% Analysis Date = 03/13/00 Pct Recovery = 99% Analysis Date = 03/13/00 Pct Recovery = 99% Analysis Date = 03/10/00 Pct Recovery = 100% Analysis Date = 03/10/00 Pct Recovery = 100% Analysis Date = 03/07/00 Pct Recovery = 100% Analysis Date = 03/07/00 Pct Recovery = 100% Analysis Date = 03/04/00 Pct Recovery = 100% Analysis Date = 03/04/00 Pct Recovery = 100% Analysis Date = 03/01/00 Pct Recovery = 100% Analysis Date = 03/01/00 Pct Recovery = 100% Analysis Date = 02/27/00 Pct Recovery = 101% Analysis Date = 02/27/00 Pct Recovery = 101% Analysis Date = 02/24/00 Pct Recovery = 101% Analysis Date = 02/24/00 Pct Recovery = 101% Analysis Date = 02/22/00 Pct Recovery = 101% Analysis Date = 02/22/00 Pct Recovery = 101% Analysis Date = 02/19/00 Pct Recovery = 102% Analysis Date = 02/19/00 Pct Recovery = 102% Analysis Date = 02/16/00 Pct Recovery = 102% Analysis Date = 02/16/00 Pct Recovery = 102% Analysis Date = 02/13/00 Pct Recovery = 102% Analysis Date = 02/13/00 Pct Recovery = 102% Analysis Date = 02/10/00 Pct Recovery = 103% Analysis Date = 02/10/00 Pct Recovery = 103% Analysis Date = 02/07/00 Pct Recovery = 103% Analysis Date = 02/07/00 Pct Recovery = 103% Analysis Date = 02/04/00 Pct Recovery = 103% Analysis Date = 02/04/00 Pct Recovery = 103% Analysis Date = 02/01/00 Pct Recovery = 104% Analysis Date = 02/01/00 Pct Recovery = 104% Analysis Date = 01/29/00 Pct Recovery = 104% Analysis Date = 01/29/00 Pct Recovery = 104% Analysis Date = 01/26/00 Pct Recovery = 105% Analysis Date = 01/26/00 Pct Recovery = 105% Analysis Date = 01/23/00 Pct Recovery = 105% Analysis Date = 01/23/00 Pct Recovery = 105% Analysis Date = 01/20/00 Pct Recovery = 105% Analysis Date = 01/20/00 Pct Recovery = 105% Analysis Date = 01/17/00 Pct Recovery = 106% Analysis Date = 01/17/00 Pct Recovery = 106% Analysis Date = 01/14/00 Pct Recovery = 106% Analysis Date = 01/14/00 Pct Recovery = 106% Analysis Date = 01/11/00 Pct Recovery = 106% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
TETRACHLOROMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 102% 7% 103% 4%
Total 21 102% 7% 103% 4%

Sample Statistics
TETRACHLOROMETHANE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
TETRAHYDROFURAN
METHOD: 4054 , TESTIDCODE: 81607GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 110% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 101% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
TETRAHYDROFURAN

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 2 105% 6% 105% 7%
Total 2 105% 6% 105% 7%

Sample Statistics
TETRAHYDROFURAN

Characteristic N % % Basis
Plotted 2 10% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 18 90% Spiked
Spiked 20 .  
False Negatives 0 0% 0 out of 20
Not Spiked 16 .  
False Positives 0 0% 0 out of 16

BQS OBSP Determination:
TOLUENE
METHOD: 4054 , TESTIDCODE: 34010GCM66
Open Data Set

Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 104% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 104% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 109% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 116% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 97% Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 98% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 93% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 105% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 105% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 94% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 117% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 105% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 92% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 108% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 94% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 107% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 121% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 98% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 98% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 101% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 106% Analysis Date = 08/24/01 Pct Recovery = 111% Analysis Date = 08/22/01 Pct Recovery = 111% Analysis Date = 08/22/01 Pct Recovery = 111% Analysis Date = 08/19/01 Pct Recovery = 111% Analysis Date = 08/19/01 Pct Recovery = 111% Analysis Date = 08/16/01 Pct Recovery = 110% Analysis Date = 08/16/01 Pct Recovery = 110% Analysis Date = 08/13/01 Pct Recovery = 110% Analysis Date = 08/13/01 Pct Recovery = 110% Analysis Date = 08/10/01 Pct Recovery = 110% Analysis Date = 08/10/01 Pct Recovery = 110% Analysis Date = 08/07/01 Pct Recovery = 110% Analysis Date = 08/07/01 Pct Recovery = 110% Analysis Date = 08/04/01 Pct Recovery = 110% Analysis Date = 08/04/01 Pct Recovery = 110% Analysis Date = 08/01/01 Pct Recovery = 110% Analysis Date = 08/01/01 Pct Recovery = 110% Analysis Date = 07/29/01 Pct Recovery = 110% Analysis Date = 07/29/01 Pct Recovery = 110% Analysis Date = 07/26/01 Pct Recovery = 110% Analysis Date = 07/26/01 Pct Recovery = 110% Analysis Date = 07/23/01 Pct Recovery = 110% Analysis Date = 07/23/01 Pct Recovery = 110% Analysis Date = 07/20/01 Pct Recovery = 110% Analysis Date = 07/20/01 Pct Recovery = 110% Analysis Date = 07/17/01 Pct Recovery = 110% Analysis Date = 07/17/01 Pct Recovery = 110% Analysis Date = 07/14/01 Pct Recovery = 110% Analysis Date = 07/14/01 Pct Recovery = 110% Analysis Date = 07/11/01 Pct Recovery = 109% Analysis Date = 07/11/01 Pct Recovery = 109% Analysis Date = 07/08/01 Pct Recovery = 109% Analysis Date = 07/08/01 Pct Recovery = 109% Analysis Date = 07/05/01 Pct Recovery = 109% Analysis Date = 07/05/01 Pct Recovery = 109% Analysis Date = 07/02/01 Pct Recovery = 109% Analysis Date = 07/02/01 Pct Recovery = 109% Analysis Date = 06/29/01 Pct Recovery = 109% Analysis Date = 06/29/01 Pct Recovery = 109% Analysis Date = 06/26/01 Pct Recovery = 109% Analysis Date = 06/26/01 Pct Recovery = 109% Analysis Date = 06/23/01 Pct Recovery = 109% Analysis Date = 06/23/01 Pct Recovery = 109% Analysis Date = 06/20/01 Pct Recovery = 109% Analysis Date = 06/20/01 Pct Recovery = 109% Analysis Date = 06/17/01 Pct Recovery = 109% Analysis Date = 06/17/01 Pct Recovery = 109% Analysis Date = 06/15/01 Pct Recovery = 109% Analysis Date = 06/15/01 Pct Recovery = 109% Analysis Date = 06/12/01 Pct Recovery = 109% Analysis Date = 06/12/01 Pct Recovery = 109% Analysis Date = 06/09/01 Pct Recovery = 109% Analysis Date = 06/09/01 Pct Recovery = 109% Analysis Date = 06/06/01 Pct Recovery = 108% Analysis Date = 06/06/01 Pct Recovery = 108% Analysis Date = 06/03/01 Pct Recovery = 108% Analysis Date = 06/03/01 Pct Recovery = 108% Analysis Date = 05/31/01 Pct Recovery = 108% Analysis Date = 05/31/01 Pct Recovery = 108% Analysis Date = 05/28/01 Pct Recovery = 108% Analysis Date = 05/28/01 Pct Recovery = 108% Analysis Date = 05/25/01 Pct Recovery = 108% Analysis Date = 05/25/01 Pct Recovery = 108% Analysis Date = 05/22/01 Pct Recovery = 108% Analysis Date = 05/22/01 Pct Recovery = 108% Analysis Date = 05/19/01 Pct Recovery = 108% Analysis Date = 05/19/01 Pct Recovery = 108% Analysis Date = 05/16/01 Pct Recovery = 108% Analysis Date = 05/16/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/13/01 Pct Recovery = 108% Analysis Date = 05/10/01 Pct Recovery = 108% Analysis Date = 05/10/01 Pct Recovery = 108% Analysis Date = 05/07/01 Pct Recovery = 108% Analysis Date = 05/07/01 Pct Recovery = 108% Analysis Date = 05/04/01 Pct Recovery = 108% Analysis Date = 05/04/01 Pct Recovery = 108% Analysis Date = 05/01/01 Pct Recovery = 107% Analysis Date = 05/01/01 Pct Recovery = 107% Analysis Date = 04/28/01 Pct Recovery = 107% Analysis Date = 04/28/01 Pct Recovery = 107% Analysis Date = 04/25/01 Pct Recovery = 107% Analysis Date = 04/25/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/22/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/19/01 Pct Recovery = 107% Analysis Date = 04/16/01 Pct Recovery = 107% Analysis Date = 04/16/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/13/01 Pct Recovery = 107% Analysis Date = 04/10/01 Pct Recovery = 107% Analysis Date = 04/10/01 Pct Recovery = 107% Analysis Date = 04/08/01 Pct Recovery = 107% Analysis Date = 04/08/01 Pct Recovery = 107% Analysis Date = 04/05/01 Pct Recovery = 107% Analysis Date = 04/05/01 Pct Recovery = 107% Analysis Date = 04/02/01 Pct Recovery = 107% Analysis Date = 04/02/01 Pct Recovery = 107% Analysis Date = 03/30/01 Pct Recovery = 107% Analysis Date = 03/30/01 Pct Recovery = 107% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/27/01 Pct Recovery = 106% Analysis Date = 03/24/01 Pct Recovery = 106% Analysis Date = 03/24/01 Pct Recovery = 106% Analysis Date = 03/21/01 Pct Recovery = 106% Analysis Date = 03/21/01 Pct Recovery = 106% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/18/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/15/01 Pct Recovery = 106% Analysis Date = 03/12/01 Pct Recovery = 106% Analysis Date = 03/12/01 Pct Recovery = 106% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/09/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/06/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 03/03/01 Pct Recovery = 106% Analysis Date = 02/28/01 Pct Recovery = 106% Analysis Date = 02/28/01 Pct Recovery = 106% Analysis Date = 02/25/01 Pct Recovery = 105% Analysis Date = 02/25/01 Pct Recovery = 105% Analysis Date = 02/22/01 Pct Recovery = 105% Analysis Date = 02/22/01 Pct Recovery = 105% Analysis Date = 02/19/01 Pct Recovery = 105% Analysis Date = 02/19/01 Pct Recovery = 105% Analysis Date = 02/16/01 Pct Recovery = 105% Analysis Date = 02/16/01 Pct Recovery = 105% Analysis Date = 02/13/01 Pct Recovery = 105% Analysis Date = 02/13/01 Pct Recovery = 105% Analysis Date = 02/10/01 Pct Recovery = 105% Analysis Date = 02/10/01 Pct Recovery = 105% Analysis Date = 02/07/01 Pct Recovery = 105% Analysis Date = 02/07/01 Pct Recovery = 105% Analysis Date = 02/04/01 Pct Recovery = 105% Analysis Date = 02/04/01 Pct Recovery = 105% Analysis Date = 02/01/01 Pct Recovery = 105% Analysis Date = 02/01/01 Pct Recovery = 105% Analysis Date = 01/30/01 Pct Recovery = 104% Analysis Date = 01/30/01 Pct Recovery = 104% Analysis Date = 01/27/01 Pct Recovery = 104% Analysis Date = 01/27/01 Pct Recovery = 104% Analysis Date = 01/24/01 Pct Recovery = 104% Analysis Date = 01/24/01 Pct Recovery = 104% Analysis Date = 01/21/01 Pct Recovery = 104% Analysis Date = 01/21/01 Pct Recovery = 104% Analysis Date = 01/18/01 Pct Recovery = 104% Analysis Date = 01/18/01 Pct Recovery = 104% Analysis Date = 01/15/01 Pct Recovery = 104% Analysis Date = 01/15/01 Pct Recovery = 104% Analysis Date = 01/12/01 Pct Recovery = 104% Analysis Date = 01/12/01 Pct Recovery = 104% Analysis Date = 01/09/01 Pct Recovery = 104% Analysis Date = 01/09/01 Pct Recovery = 104% Analysis Date = 01/06/01 Pct Recovery = 104% Analysis Date = 01/06/01 Pct Recovery = 104% Analysis Date = 01/03/01 Pct Recovery = 103% Analysis Date = 01/03/01 Pct Recovery = 103% Analysis Date = 12/31/00 Pct Recovery = 103% Analysis Date = 12/31/00 Pct Recovery = 103% Analysis Date = 12/28/00 Pct Recovery = 103% Analysis Date = 12/28/00 Pct Recovery = 103% Analysis Date = 12/25/00 Pct Recovery = 103% Analysis Date = 12/25/00 Pct Recovery = 103% Analysis Date = 12/22/00 Pct Recovery = 103% Analysis Date = 12/22/00 Pct Recovery = 103% Analysis Date = 12/19/00 Pct Recovery = 103% Analysis Date = 12/19/00 Pct Recovery = 103% Analysis Date = 12/16/00 Pct Recovery = 103% Analysis Date = 12/16/00 Pct Recovery = 103% Analysis Date = 12/13/00 Pct Recovery = 103% Analysis Date = 12/13/00 Pct Recovery = 103% Analysis Date = 12/10/00 Pct Recovery = 103% Analysis Date = 12/10/00 Pct Recovery = 103% Analysis Date = 12/07/00 Pct Recovery = 102% Analysis Date = 12/07/00 Pct Recovery = 102% Analysis Date = 12/04/00 Pct Recovery = 102% Analysis Date = 12/04/00 Pct Recovery = 102% Analysis Date = 12/01/00 Pct Recovery = 102% Analysis Date = 12/01/00 Pct Recovery = 102% Analysis Date = 11/28/00 Pct Recovery = 102% Analysis Date = 11/28/00 Pct Recovery = 102% Analysis Date = 11/25/00 Pct Recovery = 102% Analysis Date = 11/25/00 Pct Recovery = 102% Analysis Date = 11/23/00 Pct Recovery = 102% Analysis Date = 11/23/00 Pct Recovery = 102% Analysis Date = 11/20/00 Pct Recovery = 102% Analysis Date = 11/20/00 Pct Recovery = 102% Analysis Date = 11/17/00 Pct Recovery = 102% Analysis Date = 11/17/00 Pct Recovery = 102% Analysis Date = 11/14/00 Pct Recovery = 102% Analysis Date = 11/14/00 Pct Recovery = 102% Analysis Date = 11/11/00 Pct Recovery = 102% Analysis Date = 11/11/00 Pct Recovery = 102% Analysis Date = 11/08/00 Pct Recovery = 102% Analysis Date = 11/08/00 Pct Recovery = 102% Analysis Date = 11/05/00 Pct Recovery = 102% Analysis Date = 11/05/00 Pct Recovery = 102% Analysis Date = 11/02/00 Pct Recovery = 102% Analysis Date = 11/02/00 Pct Recovery = 102% Analysis Date = 10/30/00 Pct Recovery = 102% Analysis Date = 10/30/00 Pct Recovery = 102% Analysis Date = 10/27/00 Pct Recovery = 102% Analysis Date = 10/27/00 Pct Recovery = 102% Analysis Date = 10/24/00 Pct Recovery = 102% Analysis Date = 10/24/00 Pct Recovery = 102% Analysis Date = 10/21/00 Pct Recovery = 102% Analysis Date = 10/21/00 Pct Recovery = 102% Analysis Date = 10/18/00 Pct Recovery = 102% Analysis Date = 10/18/00 Pct Recovery = 102% Analysis Date = 10/15/00 Pct Recovery = 102% Analysis Date = 10/15/00 Pct Recovery = 102% Analysis Date = 10/12/00 Pct Recovery = 102% Analysis Date = 10/12/00 Pct Recovery = 102% Analysis Date = 10/09/00 Pct Recovery = 102% Analysis Date = 10/09/00 Pct Recovery = 102% Analysis Date = 10/06/00 Pct Recovery = 102% Analysis Date = 10/06/00 Pct Recovery = 102% Analysis Date = 10/03/00 Pct Recovery = 103% Analysis Date = 10/03/00 Pct Recovery = 103% Analysis Date = 09/30/00 Pct Recovery = 102% Analysis Date = 09/30/00 Pct Recovery = 102% Analysis Date = 09/27/00 Pct Recovery = 102% Analysis Date = 09/27/00 Pct Recovery = 102% Analysis Date = 09/24/00 Pct Recovery = 102% Analysis Date = 09/24/00 Pct Recovery = 102% Analysis Date = 09/21/00 Pct Recovery = 102% Analysis Date = 09/21/00 Pct Recovery = 102% Analysis Date = 09/18/00 Pct Recovery = 102% Analysis Date = 09/18/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/10/00 Pct Recovery = 102% Analysis Date = 09/10/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 102% Analysis Date = 09/01/00 Pct Recovery = 102% Analysis Date = 09/01/00 Pct Recovery = 102% Analysis Date = 08/29/00 Pct Recovery = 102% Analysis Date = 08/29/00 Pct Recovery = 102% Analysis Date = 08/26/00 Pct Recovery = 102% Analysis Date = 08/26/00 Pct Recovery = 102% Analysis Date = 08/23/00 Pct Recovery = 102% Analysis Date = 08/23/00 Pct Recovery = 102% Analysis Date = 08/20/00 Pct Recovery = 102% Analysis Date = 08/20/00 Pct Recovery = 102% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/17/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/14/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/08/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/05/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 08/02/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/30/00 Pct Recovery = 102% Analysis Date = 07/27/00 Pct Recovery = 102% Analysis Date = 07/27/00 Pct Recovery = 102% Analysis Date = 07/24/00 Pct Recovery = 102% Analysis Date = 07/24/00 Pct Recovery = 102% Analysis Date = 07/21/00 Pct Recovery = 102% Analysis Date = 07/21/00 Pct Recovery = 102% Analysis Date = 07/18/00 Pct Recovery = 102% Analysis Date = 07/18/00 Pct Recovery = 102% Analysis Date = 07/15/00 Pct Recovery = 102% Analysis Date = 07/15/00 Pct Recovery = 102% Analysis Date = 07/12/00 Pct Recovery = 102% Analysis Date = 07/12/00 Pct Recovery = 102% Analysis Date = 07/09/00 Pct Recovery = 102% Analysis Date = 07/09/00 Pct Recovery = 102% Analysis Date = 07/07/00 Pct Recovery = 102% Analysis Date = 07/07/00 Pct Recovery = 102% Analysis Date = 07/04/00 Pct Recovery = 102% Analysis Date = 07/04/00 Pct Recovery = 102% Analysis Date = 07/01/00 Pct Recovery = 102% Analysis Date = 07/01/00 Pct Recovery = 102% Analysis Date = 06/28/00 Pct Recovery = 103% Analysis Date = 06/28/00 Pct Recovery = 103% Analysis Date = 06/25/00 Pct Recovery = 103% Analysis Date = 06/25/00 Pct Recovery = 103% Analysis Date = 06/22/00 Pct Recovery = 103% Analysis Date = 06/22/00 Pct Recovery = 103% Analysis Date = 06/19/00 Pct Recovery = 103% Analysis Date = 06/19/00 Pct Recovery = 103% Analysis Date = 06/16/00 Pct Recovery = 103% Analysis Date = 06/16/00 Pct Recovery = 103% Analysis Date = 06/13/00 Pct Recovery = 103% Analysis Date = 06/13/00 Pct Recovery = 103% Analysis Date = 06/10/00 Pct Recovery = 103% Analysis Date = 06/10/00 Pct Recovery = 103% Analysis Date = 06/07/00 Pct Recovery = 103% Analysis Date = 06/07/00 Pct Recovery = 103% Analysis Date = 06/04/00 Pct Recovery = 103% Analysis Date = 06/04/00 Pct Recovery = 103% Analysis Date = 06/01/00 Pct Recovery = 103% Analysis Date = 06/01/00 Pct Recovery = 103% Analysis Date = 05/29/00 Pct Recovery = 103% Analysis Date = 05/29/00 Pct Recovery = 103% Analysis Date = 05/26/00 Pct Recovery = 104% Analysis Date = 05/26/00 Pct Recovery = 104% Analysis Date = 05/23/00 Pct Recovery = 104% Analysis Date = 05/23/00 Pct Recovery = 104% Analysis Date = 05/20/00 Pct Recovery = 104% Analysis Date = 05/20/00 Pct Recovery = 104% Analysis Date = 05/17/00 Pct Recovery = 104% Analysis Date = 05/17/00 Pct Recovery = 104% Analysis Date = 05/14/00 Pct Recovery = 104% Analysis Date = 05/14/00 Pct Recovery = 104% Analysis Date = 05/11/00 Pct Recovery = 104% Analysis Date = 05/11/00 Pct Recovery = 104% Analysis Date = 05/08/00 Pct Recovery = 104% Analysis Date = 05/08/00 Pct Recovery = 104% Analysis Date = 05/05/00 Pct Recovery = 104% Analysis Date = 05/05/00 Pct Recovery = 104% Analysis Date = 05/02/00 Pct Recovery = 104% Analysis Date = 05/02/00 Pct Recovery = 104% Analysis Date = 04/30/00 Pct Recovery = 104% Analysis Date = 04/30/00 Pct Recovery = 104% Analysis Date = 04/27/00 Pct Recovery = 104% Analysis Date = 04/27/00 Pct Recovery = 104% Analysis Date = 04/24/00 Pct Recovery = 104% Analysis Date = 04/24/00 Pct Recovery = 104% Analysis Date = 04/21/00 Pct Recovery = 104% Analysis Date = 04/21/00 Pct Recovery = 104% Analysis Date = 04/18/00 Pct Recovery = 103% Analysis Date = 04/18/00 Pct Recovery = 103% Analysis Date = 04/15/00 Pct Recovery = 103% Analysis Date = 04/15/00 Pct Recovery = 103% Analysis Date = 04/12/00 Pct Recovery = 103% Analysis Date = 04/12/00 Pct Recovery = 103% Analysis Date = 04/09/00 Pct Recovery = 102% Analysis Date = 04/09/00 Pct Recovery = 102% Analysis Date = 04/06/00 Pct Recovery = 102% Analysis Date = 04/06/00 Pct Recovery = 102% Analysis Date = 04/03/00 Pct Recovery = 102% Analysis Date = 04/03/00 Pct Recovery = 102% Analysis Date = 03/31/00 Pct Recovery = 101% Analysis Date = 03/31/00 Pct Recovery = 101% Analysis Date = 03/28/00 Pct Recovery = 101% Analysis Date = 03/28/00 Pct Recovery = 101% Analysis Date = 03/25/00 Pct Recovery = 100% Analysis Date = 03/25/00 Pct Recovery = 100% Analysis Date = 03/22/00 Pct Recovery = 100% Analysis Date = 03/22/00 Pct Recovery = 100% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/19/00 Pct Recovery = 100% Analysis Date = 03/16/00 Pct Recovery = 100% Analysis Date = 03/16/00 Pct Recovery = 100% Analysis Date = 03/13/00 Pct Recovery = 100% Analysis Date = 03/13/00 Pct Recovery = 100% Analysis Date = 03/10/00 Pct Recovery = 101% Analysis Date = 03/10/00 Pct Recovery = 101% Analysis Date = 03/07/00 Pct Recovery = 101% Analysis Date = 03/07/00 Pct Recovery = 101% Analysis Date = 03/04/00 Pct Recovery = 101% Analysis Date = 03/04/00 Pct Recovery = 101% Analysis Date = 03/01/00 Pct Recovery = 101% Analysis Date = 03/01/00 Pct Recovery = 101% Analysis Date = 02/27/00 Pct Recovery = 101% Analysis Date = 02/27/00 Pct Recovery = 101% Analysis Date = 02/24/00 Pct Recovery = 101% Analysis Date = 02/24/00 Pct Recovery = 101% Analysis Date = 02/22/00 Pct Recovery = 102% Analysis Date = 02/22/00 Pct Recovery = 102% Analysis Date = 02/19/00 Pct Recovery = 102% Analysis Date = 02/19/00 Pct Recovery = 102% Analysis Date = 02/16/00 Pct Recovery = 102% Analysis Date = 02/16/00 Pct Recovery = 102% Analysis Date = 02/13/00 Pct Recovery = 103% Analysis Date = 02/13/00 Pct Recovery = 103% Analysis Date = 02/10/00 Pct Recovery = 103% Analysis Date = 02/10/00 Pct Recovery = 103% Analysis Date = 02/07/00 Pct Recovery = 103% Analysis Date = 02/07/00 Pct Recovery = 103% Analysis Date = 02/04/00 Pct Recovery = 104% Analysis Date = 02/04/00 Pct Recovery = 104% Analysis Date = 02/01/00 Pct Recovery = 104% Analysis Date = 02/01/00 Pct Recovery = 104% Analysis Date = 01/29/00 Pct Recovery = 105% Analysis Date = 01/29/00 Pct Recovery = 105% Analysis Date = 01/26/00 Pct Recovery = 105% Analysis Date = 01/26/00 Pct Recovery = 105% Analysis Date = 01/23/00 Pct Recovery = 105% Analysis Date = 01/23/00 Pct Recovery = 105% Analysis Date = 01/20/00 Pct Recovery = 106% Analysis Date = 01/20/00 Pct Recovery = 106% Analysis Date = 01/17/00 Pct Recovery = 106% Analysis Date = 01/17/00 Pct Recovery = 106% Analysis Date = 01/14/00 Pct Recovery = 107% Analysis Date = 01/14/00 Pct Recovery = 107% Analysis Date = 01/11/00 Pct Recovery = 107% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
TOLUENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 103% 8% 104% 7%
Total 21 103% 8% 104% 7%

Sample Statistics
TOLUENE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
TRANS-1,2-DICHLOROETHYLENE
METHOD: 4054 , TESTIDCODE: 34546GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 100% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 99% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 97% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 92% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 100% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 123% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 134% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 127% Analysis Date = 11/15/00 Pct Recovery = 100% Analysis Date = 11/13/00 Pct Recovery = 100% Analysis Date = 11/13/00 Pct Recovery = 100% Analysis Date = 11/12/00 Pct Recovery = 100% Analysis Date = 11/12/00 Pct Recovery = 100% Analysis Date = 11/11/00 Pct Recovery = 100% Analysis Date = 11/11/00 Pct Recovery = 100% Analysis Date = 11/10/00 Pct Recovery = 100% Analysis Date = 11/10/00 Pct Recovery = 100% Analysis Date = 11/08/00 Pct Recovery = 100% Analysis Date = 11/08/00 Pct Recovery = 100% Analysis Date = 11/07/00 Pct Recovery = 100% Analysis Date = 11/07/00 Pct Recovery = 100% Analysis Date = 11/06/00 Pct Recovery = 99% Analysis Date = 11/06/00 Pct Recovery = 99% Analysis Date = 11/04/00 Pct Recovery = 99% Analysis Date = 11/04/00 Pct Recovery = 99% Analysis Date = 11/03/00 Pct Recovery = 99% Analysis Date = 11/03/00 Pct Recovery = 99% Analysis Date = 11/02/00 Pct Recovery = 99% Analysis Date = 11/02/00 Pct Recovery = 99% Analysis Date = 10/31/00 Pct Recovery = 99% Analysis Date = 10/31/00 Pct Recovery = 99% Analysis Date = 10/30/00 Pct Recovery = 99% Analysis Date = 10/30/00 Pct Recovery = 99% Analysis Date = 10/29/00 Pct Recovery = 99% Analysis Date = 10/29/00 Pct Recovery = 99% Analysis Date = 10/27/00 Pct Recovery = 99% Analysis Date = 10/27/00 Pct Recovery = 99% Analysis Date = 10/26/00 Pct Recovery = 99% Analysis Date = 10/26/00 Pct Recovery = 99% Analysis Date = 10/25/00 Pct Recovery = 99% Analysis Date = 10/25/00 Pct Recovery = 99% Analysis Date = 10/23/00 Pct Recovery = 99% Analysis Date = 10/23/00 Pct Recovery = 99% Analysis Date = 10/22/00 Pct Recovery = 99% Analysis Date = 10/22/00 Pct Recovery = 99% Analysis Date = 10/21/00 Pct Recovery = 99% Analysis Date = 10/21/00 Pct Recovery = 99% Analysis Date = 10/19/00 Pct Recovery = 99% Analysis Date = 10/19/00 Pct Recovery = 99% Analysis Date = 10/18/00 Pct Recovery = 99% Analysis Date = 10/18/00 Pct Recovery = 99% Analysis Date = 10/17/00 Pct Recovery = 99% Analysis Date = 10/17/00 Pct Recovery = 99% Analysis Date = 10/15/00 Pct Recovery = 98% Analysis Date = 10/15/00 Pct Recovery = 98% Analysis Date = 10/14/00 Pct Recovery = 98% Analysis Date = 10/14/00 Pct Recovery = 98% Analysis Date = 10/13/00 Pct Recovery = 98% Analysis Date = 10/13/00 Pct Recovery = 98% Analysis Date = 10/11/00 Pct Recovery = 98% Analysis Date = 10/11/00 Pct Recovery = 98% Analysis Date = 10/10/00 Pct Recovery = 98% Analysis Date = 10/10/00 Pct Recovery = 98% Analysis Date = 10/09/00 Pct Recovery = 98% Analysis Date = 10/09/00 Pct Recovery = 98% Analysis Date = 10/07/00 Pct Recovery = 98% Analysis Date = 10/07/00 Pct Recovery = 98% Analysis Date = 10/06/00 Pct Recovery = 98% Analysis Date = 10/06/00 Pct Recovery = 98% Analysis Date = 10/05/00 Pct Recovery = 98% Analysis Date = 10/05/00 Pct Recovery = 98% Analysis Date = 10/03/00 Pct Recovery = 98% Analysis Date = 10/03/00 Pct Recovery = 98% Analysis Date = 10/02/00 Pct Recovery = 98% Analysis Date = 10/02/00 Pct Recovery = 98% Analysis Date = 10/01/00 Pct Recovery = 98% Analysis Date = 10/01/00 Pct Recovery = 98% Analysis Date = 09/29/00 Pct Recovery = 98% Analysis Date = 09/29/00 Pct Recovery = 98% Analysis Date = 09/28/00 Pct Recovery = 98% Analysis Date = 09/28/00 Pct Recovery = 98% Analysis Date = 09/27/00 Pct Recovery = 98% Analysis Date = 09/27/00 Pct Recovery = 98% Analysis Date = 09/25/00 Pct Recovery = 98% Analysis Date = 09/25/00 Pct Recovery = 98% Analysis Date = 09/24/00 Pct Recovery = 98% Analysis Date = 09/24/00 Pct Recovery = 98% Analysis Date = 09/23/00 Pct Recovery = 98% Analysis Date = 09/23/00 Pct Recovery = 98% Analysis Date = 09/21/00 Pct Recovery = 97% Analysis Date = 09/21/00 Pct Recovery = 97% Analysis Date = 09/20/00 Pct Recovery = 97% Analysis Date = 09/20/00 Pct Recovery = 97% Analysis Date = 09/19/00 Pct Recovery = 97% Analysis Date = 09/19/00 Pct Recovery = 97% Analysis Date = 09/17/00 Pct Recovery = 97% Analysis Date = 09/17/00 Pct Recovery = 97% Analysis Date = 09/16/00 Pct Recovery = 97% Analysis Date = 09/16/00 Pct Recovery = 97% Analysis Date = 09/15/00 Pct Recovery = 97% Analysis Date = 09/15/00 Pct Recovery = 97% Analysis Date = 09/13/00 Pct Recovery = 97% Analysis Date = 09/13/00 Pct Recovery = 97% Analysis Date = 09/12/00 Pct Recovery = 97% Analysis Date = 09/12/00 Pct Recovery = 97% Analysis Date = 09/11/00 Pct Recovery = 97% Analysis Date = 09/11/00 Pct Recovery = 97% Analysis Date = 09/09/00 Pct Recovery = 97% Analysis Date = 09/09/00 Pct Recovery = 97% Analysis Date = 09/08/00 Pct Recovery = 97% Analysis Date = 09/08/00 Pct Recovery = 97% Analysis Date = 09/07/00 Pct Recovery = 97% Analysis Date = 09/07/00 Pct Recovery = 97% Analysis Date = 09/05/00 Pct Recovery = 97% Analysis Date = 09/05/00 Pct Recovery = 97% Analysis Date = 09/04/00 Pct Recovery = 97% Analysis Date = 09/04/00 Pct Recovery = 97% Analysis Date = 09/03/00 Pct Recovery = 97% Analysis Date = 09/03/00 Pct Recovery = 97% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 09/01/00 Pct Recovery = 97% Analysis Date = 08/31/00 Pct Recovery = 97% Analysis Date = 08/31/00 Pct Recovery = 97% Analysis Date = 08/30/00 Pct Recovery = 97% Analysis Date = 08/30/00 Pct Recovery = 97% Analysis Date = 08/28/00 Pct Recovery = 97% Analysis Date = 08/28/00 Pct Recovery = 97% Analysis Date = 08/27/00 Pct Recovery = 97% Analysis Date = 08/27/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/26/00 Pct Recovery = 97% Analysis Date = 08/24/00 Pct Recovery = 97% Analysis Date = 08/24/00 Pct Recovery = 97% Analysis Date = 08/23/00 Pct Recovery = 96% Analysis Date = 08/23/00 Pct Recovery = 96% Analysis Date = 08/22/00 Pct Recovery = 96% Analysis Date = 08/22/00 Pct Recovery = 96% Analysis Date = 08/20/00 Pct Recovery = 96% Analysis Date = 08/20/00 Pct Recovery = 96% Analysis Date = 08/19/00 Pct Recovery = 96% Analysis Date = 08/19/00 Pct Recovery = 96% Analysis Date = 08/18/00 Pct Recovery = 96% Analysis Date = 08/18/00 Pct Recovery = 96% Analysis Date = 08/17/00 Pct Recovery = 96% Analysis Date = 08/17/00 Pct Recovery = 96% Analysis Date = 08/15/00 Pct Recovery = 96% Analysis Date = 08/15/00 Pct Recovery = 96% Analysis Date = 08/14/00 Pct Recovery = 97% Analysis Date = 08/14/00 Pct Recovery = 97% Analysis Date = 08/13/00 Pct Recovery = 97% Analysis Date = 08/13/00 Pct Recovery = 97% Analysis Date = 08/11/00 Pct Recovery = 97% Analysis Date = 08/11/00 Pct Recovery = 97% Analysis Date = 08/10/00 Pct Recovery = 97% Analysis Date = 08/10/00 Pct Recovery = 97% Analysis Date = 08/09/00 Pct Recovery = 98% Analysis Date = 08/09/00 Pct Recovery = 98% Analysis Date = 08/07/00 Pct Recovery = 98% Analysis Date = 08/07/00 Pct Recovery = 98% Analysis Date = 08/06/00 Pct Recovery = 98% Analysis Date = 08/06/00 Pct Recovery = 98% Analysis Date = 08/05/00 Pct Recovery = 99% Analysis Date = 08/05/00 Pct Recovery = 99% Analysis Date = 08/03/00 Pct Recovery = 99% Analysis Date = 08/03/00 Pct Recovery = 99% Analysis Date = 08/02/00 Pct Recovery = 99% Analysis Date = 08/02/00 Pct Recovery = 99% Analysis Date = 08/01/00 Pct Recovery = 99% Analysis Date = 08/01/00 Pct Recovery = 99% Analysis Date = 07/30/00 Pct Recovery = 100% Analysis Date = 07/30/00 Pct Recovery = 100% Analysis Date = 07/29/00 Pct Recovery = 100% Analysis Date = 07/29/00 Pct Recovery = 100% Analysis Date = 07/28/00 Pct Recovery = 100% Analysis Date = 07/28/00 Pct Recovery = 100% Analysis Date = 07/26/00 Pct Recovery = 101% Analysis Date = 07/26/00 Pct Recovery = 101% Analysis Date = 07/25/00 Pct Recovery = 101% Analysis Date = 07/25/00 Pct Recovery = 101% Analysis Date = 07/24/00 Pct Recovery = 101% Analysis Date = 07/24/00 Pct Recovery = 101% Analysis Date = 07/22/00 Pct Recovery = 102% Analysis Date = 07/22/00 Pct Recovery = 102% Analysis Date = 07/21/00 Pct Recovery = 103% Analysis Date = 07/21/00 Pct Recovery = 103% Analysis Date = 07/20/00 Pct Recovery = 103% Analysis Date = 07/20/00 Pct Recovery = 103% Analysis Date = 07/18/00 Pct Recovery = 104% Analysis Date = 07/18/00 Pct Recovery = 104% Analysis Date = 07/17/00 Pct Recovery = 104% Analysis Date = 07/17/00 Pct Recovery = 104% Analysis Date = 07/16/00 Pct Recovery = 105% Analysis Date = 07/16/00 Pct Recovery = 105% Analysis Date = 07/14/00 Pct Recovery = 106% Analysis Date = 07/14/00 Pct Recovery = 106% Analysis Date = 07/13/00 Pct Recovery = 106% Analysis Date = 07/13/00 Pct Recovery = 106% Analysis Date = 07/12/00 Pct Recovery = 107% Analysis Date = 07/12/00 Pct Recovery = 107% Analysis Date = 07/10/00 Pct Recovery = 107% Analysis Date = 07/10/00 Pct Recovery = 107% Analysis Date = 07/09/00 Pct Recovery = 108% Analysis Date = 07/09/00 Pct Recovery = 108% Analysis Date = 07/08/00 Pct Recovery = 109% Analysis Date = 07/08/00 Pct Recovery = 109% Analysis Date = 07/06/00 Pct Recovery = 109% Analysis Date = 07/06/00 Pct Recovery = 109% Analysis Date = 07/05/00 Pct Recovery = 110% Analysis Date = 07/05/00 Pct Recovery = 110% Analysis Date = 07/04/00 Pct Recovery = 110% Analysis Date = 07/04/00 Pct Recovery = 110% Analysis Date = 07/02/00 Pct Recovery = 111% Analysis Date = 07/02/00 Pct Recovery = 111% Analysis Date = 07/01/00 Pct Recovery = 112% Analysis Date = 07/01/00 Pct Recovery = 112% Analysis Date = 06/30/00 Pct Recovery = 112% Analysis Date = 06/30/00 Pct Recovery = 112% Analysis Date = 06/28/00 Pct Recovery = 113% Analysis Date = 06/28/00 Pct Recovery = 113% Analysis Date = 06/27/00 Pct Recovery = 113% Analysis Date = 06/27/00 Pct Recovery = 113% Analysis Date = 06/26/00 Pct Recovery = 114% Analysis Date = 06/26/00 Pct Recovery = 114% Analysis Date = 06/24/00 Pct Recovery = 115% Analysis Date = 06/24/00 Pct Recovery = 115% Analysis Date = 06/23/00 Pct Recovery = 115% Analysis Date = 06/23/00 Pct Recovery = 115% Analysis Date = 06/22/00 Pct Recovery = 116% Analysis Date = 06/22/00 Pct Recovery = 116% Analysis Date = 06/20/00 Pct Recovery = 117% Analysis Date = 06/20/00 Pct Recovery = 117% Analysis Date = 06/19/00 Pct Recovery = 117% Analysis Date = 06/19/00 Pct Recovery = 117% Analysis Date = 06/18/00 Pct Recovery = 118% Analysis Date = 06/18/00 Pct Recovery = 118% Analysis Date = 06/16/00 Pct Recovery = 118% Analysis Date = 06/16/00 Pct Recovery = 118% Analysis Date = 06/15/00 Pct Recovery = 119% Analysis Date = 06/15/00 Pct Recovery = 119% Analysis Date = 06/14/00 Pct Recovery = 119% Analysis Date = 06/14/00 Pct Recovery = 119% Analysis Date = 06/12/00 Pct Recovery = 119% Analysis Date = 06/12/00 Pct Recovery = 119% Analysis Date = 06/11/00 Pct Recovery = 119% Analysis Date = 06/11/00 Pct Recovery = 119% Analysis Date = 06/10/00 Pct Recovery = 120% Analysis Date = 06/10/00 Pct Recovery = 120% Analysis Date = 06/08/00 Pct Recovery = 120% Analysis Date = 06/08/00 Pct Recovery = 120% Analysis Date = 06/07/00 Pct Recovery = 120% Analysis Date = 06/07/00 Pct Recovery = 120% Analysis Date = 06/06/00 Pct Recovery = 120% Analysis Date = 06/06/00 Pct Recovery = 120% Analysis Date = 06/04/00 Pct Recovery = 120% Analysis Date = 06/04/00 Pct Recovery = 120% Analysis Date = 06/03/00 Pct Recovery = 120% Analysis Date = 06/03/00 Pct Recovery = 120% Analysis Date = 06/02/00 Pct Recovery = 121% Analysis Date = 06/02/00 Pct Recovery = 121% Analysis Date = 05/31/00 Pct Recovery = 121% Analysis Date = 05/31/00 Pct Recovery = 121% Analysis Date = 05/30/00 Pct Recovery = 121% Analysis Date = 05/30/00 Pct Recovery = 121% Analysis Date = 05/29/00 Pct Recovery = 121% Analysis Date = 05/29/00 Pct Recovery = 121% Analysis Date = 05/27/00 Pct Recovery = 121% Analysis Date = 05/27/00 Pct Recovery = 121% Analysis Date = 05/26/00 Pct Recovery = 121% Analysis Date = 05/26/00 Pct Recovery = 121% Analysis Date = 05/25/00 Pct Recovery = 122% Analysis Date = 05/25/00 Pct Recovery = 122% Analysis Date = 05/24/00 Pct Recovery = 122% Analysis Date = 05/24/00 Pct Recovery = 122% Analysis Date = 05/22/00 Pct Recovery = 122% Analysis Date = 05/22/00 Pct Recovery = 122% Analysis Date = 05/21/00 Pct Recovery = 122% Analysis Date = 05/21/00 Pct Recovery = 122% Analysis Date = 05/20/00 Pct Recovery = 122% Analysis Date = 05/20/00 Pct Recovery = 122% Analysis Date = 05/18/00 Pct Recovery = 122% Analysis Date = 05/18/00 Pct Recovery = 122% Analysis Date = 05/17/00 Pct Recovery = 123% Analysis Date = 05/17/00 Pct Recovery = 123% Analysis Date = 05/16/00 Pct Recovery = 123% Analysis Date = 05/16/00 Pct Recovery = 123% Analysis Date = 05/14/00 Pct Recovery = 123% Analysis Date = 05/14/00 Pct Recovery = 123% Analysis Date = 05/13/00 Pct Recovery = 123% Analysis Date = 05/13/00 Pct Recovery = 123% Analysis Date = 05/12/00 Pct Recovery = 123% Analysis Date = 05/12/00 Pct Recovery = 123% Analysis Date = 05/10/00 Pct Recovery = 123% Analysis Date = 05/10/00 Pct Recovery = 123% Analysis Date = 05/09/00 Pct Recovery = 123% Analysis Date = 05/09/00 Pct Recovery = 123% Analysis Date = 05/08/00 Pct Recovery = 124% Analysis Date = 05/08/00 Pct Recovery = 124% Analysis Date = 05/06/00 Pct Recovery = 124% Analysis Date = 05/06/00 Pct Recovery = 124% Analysis Date = 05/05/00 Pct Recovery = 124% Analysis Date = 05/05/00 Pct Recovery = 124% Analysis Date = 05/04/00 Pct Recovery = 124% Analysis Date = 05/04/00 Pct Recovery = 124% Analysis Date = 05/02/00 Pct Recovery = 124% Analysis Date = 05/02/00 Pct Recovery = 124% Analysis Date = 05/01/00 Pct Recovery = 124% Analysis Date = 05/01/00 Pct Recovery = 124% Analysis Date = 04/30/00 Pct Recovery = 125% Analysis Date = 04/30/00 Pct Recovery = 125% Analysis Date = 04/28/00 Pct Recovery = 125% Analysis Date = 04/28/00 Pct Recovery = 125% Analysis Date = 04/27/00 Pct Recovery = 125% Analysis Date = 04/27/00 Pct Recovery = 125% Analysis Date = 04/26/00 Pct Recovery = 125% Analysis Date = 04/26/00 Pct Recovery = 125% Analysis Date = 04/24/00 Pct Recovery = 124% Analysis Date = 04/24/00 Pct Recovery = 124% Analysis Date = 04/23/00 Pct Recovery = 124% Analysis Date = 04/23/00 Pct Recovery = 124% Analysis Date = 04/22/00 Pct Recovery = 124% Analysis Date = 04/22/00 Pct Recovery = 124% Analysis Date = 04/20/00 Pct Recovery = 124% Analysis Date = 04/20/00 Pct Recovery = 124% Analysis Date = 04/19/00 Pct Recovery = 124% Analysis Date = 04/19/00 Pct Recovery = 124% Analysis Date = 04/18/00 Pct Recovery = 123% Analysis Date = 04/18/00 Pct Recovery = 123% Analysis Date = 04/16/00 Pct Recovery = 123% Analysis Date = 04/16/00 Pct Recovery = 123% Analysis Date = 04/15/00 Pct Recovery = 123% Analysis Date = 04/15/00 Pct Recovery = 123% Analysis Date = 04/14/00 Pct Recovery = 123% Analysis Date = 04/14/00 Pct Recovery = 123% Analysis Date = 04/12/00 Pct Recovery = 122% Analysis Date = 04/12/00 Pct Recovery = 122% Analysis Date = 04/11/00 Pct Recovery = 122% Analysis Date = 04/11/00 Pct Recovery = 122% Analysis Date = 04/10/00 Pct Recovery = 122% Analysis Date = 04/10/00 Pct Recovery = 122% Analysis Date = 04/08/00 Pct Recovery = 122% Analysis Date = 04/08/00 Pct Recovery = 122% Analysis Date = 04/07/00 Pct Recovery = 122% Analysis Date = 04/07/00 Pct Recovery = 122% Analysis Date = 04/06/00 Pct Recovery = 121% Analysis Date = 04/06/00 Pct Recovery = 121% Analysis Date = 04/04/00 Pct Recovery = 121% Analysis Date = 04/04/00 Pct Recovery = 121% Analysis Date = 04/03/00 Pct Recovery = 121% Analysis Date = 04/03/00 Pct Recovery = 121% Analysis Date = 04/02/00 Pct Recovery = 121% Analysis Date = 04/02/00 Pct Recovery = 121% Analysis Date = 03/31/00 Pct Recovery = 120% Analysis Date = 03/31/00 Pct Recovery = 120% Analysis Date = 03/30/00 Pct Recovery = 120% Analysis Date = 03/30/00 Pct Recovery = 120% Analysis Date = 03/29/00 Pct Recovery = 120% Analysis Date = 03/29/00 Pct Recovery = 120% Analysis Date = 03/27/00 Pct Recovery = 120% Analysis Date = 03/27/00 Pct Recovery = 120% Analysis Date = 03/26/00 Pct Recovery = 120% Analysis Date = 03/26/00 Pct Recovery = 120% Analysis Date = 03/25/00 Pct Recovery = 119% Analysis Date = 03/25/00 Pct Recovery = 119% Analysis Date = 03/23/00 Pct Recovery = 119% Analysis Date = 03/23/00 Pct Recovery = 119% Analysis Date = 03/22/00 Pct Recovery = 119% Analysis Date = 03/22/00 Pct Recovery = 119% Analysis Date = 03/21/00 Pct Recovery = 119% Analysis Date = 03/21/00 Pct Recovery = 119% Analysis Date = 03/19/00 Pct Recovery = 119% Analysis Date = 03/19/00 Pct Recovery = 119% Analysis Date = 03/18/00 Pct Recovery = 119% Analysis Date = 03/18/00 Pct Recovery = 119% Analysis Date = 03/17/00 Pct Recovery = 119% Analysis Date = 03/17/00 Pct Recovery = 119% Analysis Date = 03/15/00 Pct Recovery = 119% Analysis Date = 03/15/00 Pct Recovery = 119% Analysis Date = 03/14/00 Pct Recovery = 119% Analysis Date = 03/14/00 Pct Recovery = 119% Analysis Date = 03/13/00 Pct Recovery = 119% Analysis Date = 03/13/00 Pct Recovery = 119% Analysis Date = 03/11/00 Pct Recovery = 118% Analysis Date = 03/11/00 Pct Recovery = 118% Analysis Date = 03/10/00 Pct Recovery = 118% Analysis Date = 03/10/00 Pct Recovery = 118% Analysis Date = 03/09/00 Pct Recovery = 118% Analysis Date = 03/09/00 Pct Recovery = 118% Analysis Date = 03/07/00 Pct Recovery = 118% Analysis Date = 03/07/00 Pct Recovery = 118% Analysis Date = 03/06/00 Pct Recovery = 118% Analysis Date = 03/06/00 Pct Recovery = 118% Analysis Date = 03/05/00 Pct Recovery = 118% Analysis Date = 03/05/00 Pct Recovery = 118% Analysis Date = 03/03/00 Pct Recovery = 118% Analysis Date = 03/03/00 Pct Recovery = 118% Analysis Date = 03/02/00 Pct Recovery = 118% Analysis Date = 03/02/00 Pct Recovery = 118% Analysis Date = 03/01/00 Pct Recovery = 118% Analysis Date = 03/01/00 Pct Recovery = 118% Analysis Date = 02/28/00 Pct Recovery = 118% Analysis Date = 02/28/00 Pct Recovery = 118% Analysis Date = 02/27/00 Pct Recovery = 118% Analysis Date = 02/27/00 Pct Recovery = 118% Analysis Date = 02/26/00 Pct Recovery = 118% Analysis Date = 02/26/00 Pct Recovery = 118% Analysis Date = 02/25/00 Pct Recovery = 118% Analysis Date = 02/25/00 Pct Recovery = 118% Analysis Date = 02/23/00 Pct Recovery = 117% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
TRANS-1,2-DICHLOROETHYLENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 8 109% 16% 100% 20%
Total 8 109% 16% 100% 20%

Sample Statistics
TRANS-1,2-DICHLOROETHYLENE

Characteristic N % % Basis
Plotted 8 62% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 5 38% Spiked
Spiked 13 .  
False Negatives 0 0% 0 out of 13
Not Spiked 23 .  
False Positives 0 0% 0 out of 23

BQS OBSP Determination:
TRANS-1,3-DICHLOROPROPENE
METHOD: 4054 , TESTIDCODE: 34699GCM66
Open Data Set

Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 89% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 114% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 105% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 110% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 87% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 91% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 103% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 94% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 95% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 103% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 100% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 80% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 96% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 92% Analysis Date = 07/08/03 Pct Recovery = 102% Analysis Date = 07/02/03 Pct Recovery = 102% Analysis Date = 07/02/03 Pct Recovery = 102% Analysis Date = 06/26/03 Pct Recovery = 102% Analysis Date = 06/26/03 Pct Recovery = 102% Analysis Date = 06/20/03 Pct Recovery = 102% Analysis Date = 06/20/03 Pct Recovery = 102% Analysis Date = 06/14/03 Pct Recovery = 102% Analysis Date = 06/14/03 Pct Recovery = 102% Analysis Date = 06/08/03 Pct Recovery = 103% Analysis Date = 06/08/03 Pct Recovery = 103% Analysis Date = 06/02/03 Pct Recovery = 103% Analysis Date = 06/02/03 Pct Recovery = 103% Analysis Date = 05/26/03 Pct Recovery = 103% Analysis Date = 05/26/03 Pct Recovery = 103% Analysis Date = 05/20/03 Pct Recovery = 103% Analysis Date = 05/20/03 Pct Recovery = 103% Analysis Date = 05/14/03 Pct Recovery = 103% Analysis Date = 05/14/03 Pct Recovery = 103% Analysis Date = 05/08/03 Pct Recovery = 103% Analysis Date = 05/08/03 Pct Recovery = 103% Analysis Date = 05/02/03 Pct Recovery = 103% Analysis Date = 05/02/03 Pct Recovery = 103% Analysis Date = 04/26/03 Pct Recovery = 103% Analysis Date = 04/26/03 Pct Recovery = 103% Analysis Date = 04/19/03 Pct Recovery = 103% Analysis Date = 04/19/03 Pct Recovery = 103% Analysis Date = 04/13/03 Pct Recovery = 103% Analysis Date = 04/13/03 Pct Recovery = 103% Analysis Date = 04/07/03 Pct Recovery = 103% Analysis Date = 04/07/03 Pct Recovery = 103% Analysis Date = 04/01/03 Pct Recovery = 103% Analysis Date = 04/01/03 Pct Recovery = 103% Analysis Date = 03/26/03 Pct Recovery = 103% Analysis Date = 03/26/03 Pct Recovery = 103% Analysis Date = 03/20/03 Pct Recovery = 102% Analysis Date = 03/20/03 Pct Recovery = 102% Analysis Date = 03/14/03 Pct Recovery = 102% Analysis Date = 03/14/03 Pct Recovery = 102% Analysis Date = 03/07/03 Pct Recovery = 102% Analysis Date = 03/07/03 Pct Recovery = 102% Analysis Date = 03/01/03 Pct Recovery = 102% Analysis Date = 03/01/03 Pct Recovery = 102% Analysis Date = 02/23/03 Pct Recovery = 102% Analysis Date = 02/23/03 Pct Recovery = 102% Analysis Date = 02/17/03 Pct Recovery = 102% Analysis Date = 02/17/03 Pct Recovery = 102% Analysis Date = 02/11/03 Pct Recovery = 102% Analysis Date = 02/11/03 Pct Recovery = 102% Analysis Date = 02/05/03 Pct Recovery = 102% Analysis Date = 02/05/03 Pct Recovery = 102% Analysis Date = 01/29/03 Pct Recovery = 102% Analysis Date = 01/29/03 Pct Recovery = 102% Analysis Date = 01/23/03 Pct Recovery = 102% Analysis Date = 01/23/03 Pct Recovery = 102% Analysis Date = 01/17/03 Pct Recovery = 102% Analysis Date = 01/17/03 Pct Recovery = 102% Analysis Date = 01/11/03 Pct Recovery = 102% Analysis Date = 01/11/03 Pct Recovery = 102% Analysis Date = 01/05/03 Pct Recovery = 102% Analysis Date = 01/05/03 Pct Recovery = 102% Analysis Date = 12/30/02 Pct Recovery = 102% Analysis Date = 12/30/02 Pct Recovery = 102% Analysis Date = 12/23/02 Pct Recovery = 102% Analysis Date = 12/23/02 Pct Recovery = 102% Analysis Date = 12/17/02 Pct Recovery = 102% Analysis Date = 12/17/02 Pct Recovery = 102% Analysis Date = 12/11/02 Pct Recovery = 102% Analysis Date = 12/11/02 Pct Recovery = 102% Analysis Date = 12/05/02 Pct Recovery = 102% Analysis Date = 12/05/02 Pct Recovery = 102% Analysis Date = 11/29/02 Pct Recovery = 102% Analysis Date = 11/29/02 Pct Recovery = 102% Analysis Date = 11/23/02 Pct Recovery = 102% Analysis Date = 11/23/02 Pct Recovery = 102% Analysis Date = 11/17/02 Pct Recovery = 102% Analysis Date = 11/17/02 Pct Recovery = 102% Analysis Date = 11/10/02 Pct Recovery = 102% Analysis Date = 11/10/02 Pct Recovery = 102% Analysis Date = 11/04/02 Pct Recovery = 102% Analysis Date = 11/04/02 Pct Recovery = 102% Analysis Date = 10/29/02 Pct Recovery = 102% Analysis Date = 10/29/02 Pct Recovery = 102% Analysis Date = 10/23/02 Pct Recovery = 102% Analysis Date = 10/23/02 Pct Recovery = 102% Analysis Date = 10/17/02 Pct Recovery = 102% Analysis Date = 10/17/02 Pct Recovery = 102% Analysis Date = 10/11/02 Pct Recovery = 102% Analysis Date = 10/11/02 Pct Recovery = 102% Analysis Date = 10/04/02 Pct Recovery = 102% Analysis Date = 10/04/02 Pct Recovery = 102% Analysis Date = 09/28/02 Pct Recovery = 102% Analysis Date = 09/28/02 Pct Recovery = 102% Analysis Date = 09/22/02 Pct Recovery = 102% Analysis Date = 09/22/02 Pct Recovery = 102% Analysis Date = 09/16/02 Pct Recovery = 102% Analysis Date = 09/16/02 Pct Recovery = 102% Analysis Date = 09/10/02 Pct Recovery = 102% Analysis Date = 09/10/02 Pct Recovery = 102% Analysis Date = 09/04/02 Pct Recovery = 102% Analysis Date = 09/04/02 Pct Recovery = 102% Analysis Date = 08/29/02 Pct Recovery = 102% Analysis Date = 08/29/02 Pct Recovery = 102% Analysis Date = 08/22/02 Pct Recovery = 102% Analysis Date = 08/22/02 Pct Recovery = 102% Analysis Date = 08/16/02 Pct Recovery = 102% Analysis Date = 08/16/02 Pct Recovery = 102% Analysis Date = 08/10/02 Pct Recovery = 102% Analysis Date = 08/10/02 Pct Recovery = 102% Analysis Date = 08/04/02 Pct Recovery = 102% Analysis Date = 08/04/02 Pct Recovery = 102% Analysis Date = 07/29/02 Pct Recovery = 101% Analysis Date = 07/29/02 Pct Recovery = 101% Analysis Date = 07/23/02 Pct Recovery = 101% Analysis Date = 07/23/02 Pct Recovery = 101% Analysis Date = 07/16/02 Pct Recovery = 101% Analysis Date = 07/16/02 Pct Recovery = 101% Analysis Date = 07/10/02 Pct Recovery = 100% Analysis Date = 07/10/02 Pct Recovery = 100% Analysis Date = 07/04/02 Pct Recovery = 100% Analysis Date = 07/04/02 Pct Recovery = 100% Analysis Date = 06/28/02 Pct Recovery = 100% Analysis Date = 06/28/02 Pct Recovery = 100% Analysis Date = 06/22/02 Pct Recovery = 100% Analysis Date = 06/22/02 Pct Recovery = 100% Analysis Date = 06/16/02 Pct Recovery = 99% Analysis Date = 06/16/02 Pct Recovery = 99% Analysis Date = 06/09/02 Pct Recovery = 99% Analysis Date = 06/09/02 Pct Recovery = 99% Analysis Date = 06/03/02 Pct Recovery = 99% Analysis Date = 06/03/02 Pct Recovery = 99% Analysis Date = 05/28/02 Pct Recovery = 99% Analysis Date = 05/28/02 Pct Recovery = 99% Analysis Date = 05/22/02 Pct Recovery = 99% Analysis Date = 05/22/02 Pct Recovery = 99% Analysis Date = 05/16/02 Pct Recovery = 98% Analysis Date = 05/16/02 Pct Recovery = 98% Analysis Date = 05/10/02 Pct Recovery = 98% Analysis Date = 05/10/02 Pct Recovery = 98% Analysis Date = 05/04/02 Pct Recovery = 98% Analysis Date = 05/04/02 Pct Recovery = 98% Analysis Date = 04/27/02 Pct Recovery = 98% Analysis Date = 04/27/02 Pct Recovery = 98% Analysis Date = 04/21/02 Pct Recovery = 98% Analysis Date = 04/21/02 Pct Recovery = 98% Analysis Date = 04/15/02 Pct Recovery = 97% Analysis Date = 04/15/02 Pct Recovery = 97% Analysis Date = 04/09/02 Pct Recovery = 97% Analysis Date = 04/09/02 Pct Recovery = 97% Analysis Date = 04/03/02 Pct Recovery = 97% Analysis Date = 04/03/02 Pct Recovery = 97% Analysis Date = 03/28/02 Pct Recovery = 97% Analysis Date = 03/28/02 Pct Recovery = 97% Analysis Date = 03/21/02 Pct Recovery = 97% Analysis Date = 03/21/02 Pct Recovery = 97% Analysis Date = 03/15/02 Pct Recovery = 97% Analysis Date = 03/15/02 Pct Recovery = 97% Analysis Date = 03/09/02 Pct Recovery = 96% Analysis Date = 03/09/02 Pct Recovery = 96% Analysis Date = 03/03/02 Pct Recovery = 96% Analysis Date = 03/03/02 Pct Recovery = 96% Analysis Date = 02/25/02 Pct Recovery = 96% Analysis Date = 02/25/02 Pct Recovery = 96% Analysis Date = 02/19/02 Pct Recovery = 96% Analysis Date = 02/19/02 Pct Recovery = 96% Analysis Date = 02/13/02 Pct Recovery = 96% Analysis Date = 02/13/02 Pct Recovery = 96% Analysis Date = 02/06/02 Pct Recovery = 96% Analysis Date = 02/06/02 Pct Recovery = 96% Analysis Date = 01/31/02 Pct Recovery = 96% Analysis Date = 01/31/02 Pct Recovery = 96% Analysis Date = 01/25/02 Pct Recovery = 96% Analysis Date = 01/25/02 Pct Recovery = 96% Analysis Date = 01/19/02 Pct Recovery = 96% Analysis Date = 01/19/02 Pct Recovery = 96% Analysis Date = 01/13/02 Pct Recovery = 96% Analysis Date = 01/13/02 Pct Recovery = 96% Analysis Date = 01/07/02 Pct Recovery = 96% Analysis Date = 01/07/02 Pct Recovery = 96% Analysis Date = 12/31/01 Pct Recovery = 96% Analysis Date = 12/31/01 Pct Recovery = 96% Analysis Date = 12/25/01 Pct Recovery = 96% Analysis Date = 12/25/01 Pct Recovery = 96% Analysis Date = 12/19/01 Pct Recovery = 96% Analysis Date = 12/19/01 Pct Recovery = 96% Analysis Date = 12/13/01 Pct Recovery = 96% Analysis Date = 12/13/01 Pct Recovery = 96% Analysis Date = 12/07/01 Pct Recovery = 96% Analysis Date = 12/07/01 Pct Recovery = 96% Analysis Date = 12/01/01 Pct Recovery = 96% Analysis Date = 12/01/01 Pct Recovery = 96% Analysis Date = 11/24/01 Pct Recovery = 96% Analysis Date = 11/24/01 Pct Recovery = 96% Analysis Date = 11/18/01 Pct Recovery = 96% Analysis Date = 11/18/01 Pct Recovery = 96% Analysis Date = 11/12/01 Pct Recovery = 96% Analysis Date = 11/12/01 Pct Recovery = 96% Analysis Date = 11/06/01 Pct Recovery = 96% Analysis Date = 11/06/01 Pct Recovery = 96% Analysis Date = 10/31/01 Pct Recovery = 96% Analysis Date = 10/31/01 Pct Recovery = 96% Analysis Date = 10/25/01 Pct Recovery = 96% Analysis Date = 10/25/01 Pct Recovery = 96% Analysis Date = 10/19/01 Pct Recovery = 96% Analysis Date = 10/19/01 Pct Recovery = 96% Analysis Date = 10/12/01 Pct Recovery = 97% Analysis Date = 10/12/01 Pct Recovery = 97% Analysis Date = 10/06/01 Pct Recovery = 97% Analysis Date = 10/06/01 Pct Recovery = 97% Analysis Date = 09/30/01 Pct Recovery = 97% Analysis Date = 09/30/01 Pct Recovery = 97% Analysis Date = 09/24/01 Pct Recovery = 97% Analysis Date = 09/24/01 Pct Recovery = 97% Analysis Date = 09/18/01 Pct Recovery = 97% Analysis Date = 09/18/01 Pct Recovery = 97% Analysis Date = 09/12/01 Pct Recovery = 97% Analysis Date = 09/12/01 Pct Recovery = 97% Analysis Date = 09/05/01 Pct Recovery = 97% Analysis Date = 09/05/01 Pct Recovery = 97% Analysis Date = 08/30/01 Pct Recovery = 97% Analysis Date = 08/30/01 Pct Recovery = 97% Analysis Date = 08/24/01 Pct Recovery = 97% Analysis Date = 08/24/01 Pct Recovery = 97% Analysis Date = 08/18/01 Pct Recovery = 97% Analysis Date = 08/18/01 Pct Recovery = 97% Analysis Date = 08/12/01 Pct Recovery = 97% Analysis Date = 08/12/01 Pct Recovery = 97% Analysis Date = 08/06/01 Pct Recovery = 97% Analysis Date = 08/06/01 Pct Recovery = 97% Analysis Date = 07/30/01 Pct Recovery = 97% Analysis Date = 07/30/01 Pct Recovery = 97% Analysis Date = 07/24/01 Pct Recovery = 97% Analysis Date = 07/24/01 Pct Recovery = 97% Analysis Date = 07/18/01 Pct Recovery = 97% Analysis Date = 07/18/01 Pct Recovery = 97% Analysis Date = 07/12/01 Pct Recovery = 97% Analysis Date = 07/12/01 Pct Recovery = 97% Analysis Date = 07/06/01 Pct Recovery = 97% Analysis Date = 07/06/01 Pct Recovery = 97% Analysis Date = 06/30/01 Pct Recovery = 97% Analysis Date = 06/30/01 Pct Recovery = 97% Analysis Date = 06/24/01 Pct Recovery = 97% Analysis Date = 06/24/01 Pct Recovery = 97% Analysis Date = 06/17/01 Pct Recovery = 97% Analysis Date = 06/17/01 Pct Recovery = 97% Analysis Date = 06/11/01 Pct Recovery = 97% Analysis Date = 06/11/01 Pct Recovery = 97% Analysis Date = 06/05/01 Pct Recovery = 97% Analysis Date = 06/05/01 Pct Recovery = 97% Analysis Date = 05/30/01 Pct Recovery = 97% Analysis Date = 05/30/01 Pct Recovery = 97% Analysis Date = 05/24/01 Pct Recovery = 97% Analysis Date = 05/24/01 Pct Recovery = 97% Analysis Date = 05/18/01 Pct Recovery = 97% Analysis Date = 05/18/01 Pct Recovery = 97% Analysis Date = 05/11/01 Pct Recovery = 97% Analysis Date = 05/11/01 Pct Recovery = 97% Analysis Date = 05/05/01 Pct Recovery = 97% Analysis Date = 05/05/01 Pct Recovery = 97% Analysis Date = 04/29/01 Pct Recovery = 97% Analysis Date = 04/29/01 Pct Recovery = 97% Analysis Date = 04/23/01 Pct Recovery = 97% Analysis Date = 04/23/01 Pct Recovery = 97% Analysis Date = 04/17/01 Pct Recovery = 97% Analysis Date = 04/17/01 Pct Recovery = 97% Analysis Date = 04/11/01 Pct Recovery = 97% Analysis Date = 04/11/01 Pct Recovery = 97% Analysis Date = 04/05/01 Pct Recovery = 97% Analysis Date = 04/05/01 Pct Recovery = 97% Analysis Date = 03/29/01 Pct Recovery = 97% Analysis Date = 03/29/01 Pct Recovery = 97% Analysis Date = 03/23/01 Pct Recovery = 97% Analysis Date = 03/23/01 Pct Recovery = 97% Analysis Date = 03/17/01 Pct Recovery = 97% Analysis Date = 03/17/01 Pct Recovery = 97% Analysis Date = 03/11/01 Pct Recovery = 97% Analysis Date = 03/11/01 Pct Recovery = 97% Analysis Date = 03/05/01 Pct Recovery = 97% Analysis Date = 03/05/01 Pct Recovery = 97% Analysis Date = 02/27/01 Pct Recovery = 97% Analysis Date = 02/27/01 Pct Recovery = 97% Analysis Date = 02/20/01 Pct Recovery = 97% Analysis Date = 02/20/01 Pct Recovery = 97% Analysis Date = 02/14/01 Pct Recovery = 97% Analysis Date = 02/14/01 Pct Recovery = 97% Analysis Date = 02/08/01 Pct Recovery = 97% Analysis Date = 02/08/01 Pct Recovery = 97% Analysis Date = 02/02/01 Pct Recovery = 97% Analysis Date = 02/02/01 Pct Recovery = 97% Analysis Date = 01/27/01 Pct Recovery = 97% Analysis Date = 01/27/01 Pct Recovery = 97% Analysis Date = 01/21/01 Pct Recovery = 97% Analysis Date = 01/21/01 Pct Recovery = 97% Analysis Date = 01/14/01 Pct Recovery = 97% Analysis Date = 01/14/01 Pct Recovery = 97% Analysis Date = 01/08/01 Pct Recovery = 97% Analysis Date = 01/08/01 Pct Recovery = 97% Analysis Date = 01/02/01 Pct Recovery = 97% Analysis Date = 01/02/01 Pct Recovery = 97% Analysis Date = 12/27/00 Pct Recovery = 98% Analysis Date = 12/27/00 Pct Recovery = 98% Analysis Date = 12/21/00 Pct Recovery = 98% Analysis Date = 12/21/00 Pct Recovery = 98% Analysis Date = 12/15/00 Pct Recovery = 98% Analysis Date = 12/15/00 Pct Recovery = 98% Analysis Date = 12/09/00 Pct Recovery = 98% Analysis Date = 12/09/00 Pct Recovery = 98% Analysis Date = 12/02/00 Pct Recovery = 98% Analysis Date = 12/02/00 Pct Recovery = 98% Analysis Date = 11/26/00 Pct Recovery = 98% Analysis Date = 11/26/00 Pct Recovery = 98% Analysis Date = 11/20/00 Pct Recovery = 98% Analysis Date = 11/20/00 Pct Recovery = 98% Analysis Date = 11/14/00 Pct Recovery = 98% Analysis Date = 11/14/00 Pct Recovery = 98% Analysis Date = 11/08/00 Pct Recovery = 97% Analysis Date = 11/08/00 Pct Recovery = 97% Analysis Date = 11/02/00 Pct Recovery = 97% Analysis Date = 11/02/00 Pct Recovery = 97% Analysis Date = 10/26/00 Pct Recovery = 97% Analysis Date = 10/26/00 Pct Recovery = 97% Analysis Date = 10/20/00 Pct Recovery = 97% Analysis Date = 10/20/00 Pct Recovery = 97% Analysis Date = 10/14/00 Pct Recovery = 97% Analysis Date = 10/14/00 Pct Recovery = 97% Analysis Date = 10/08/00 Pct Recovery = 96% Analysis Date = 10/08/00 Pct Recovery = 96% Analysis Date = 10/02/00 Pct Recovery = 96% Analysis Date = 10/02/00 Pct Recovery = 96% Analysis Date = 09/26/00 Pct Recovery = 96% Analysis Date = 09/26/00 Pct Recovery = 96% Analysis Date = 09/20/00 Pct Recovery = 96% Analysis Date = 09/20/00 Pct Recovery = 96% Analysis Date = 09/13/00 Pct Recovery = 95% Analysis Date = 09/13/00 Pct Recovery = 95% Analysis Date = 09/07/00 Pct Recovery = 95% Analysis Date = 09/07/00 Pct Recovery = 95% Analysis Date = 09/01/00 Pct Recovery = 95% Analysis Date = 09/01/00 Pct Recovery = 95% Analysis Date = 08/26/00 Pct Recovery = 95% Analysis Date = 08/26/00 Pct Recovery = 95% Analysis Date = 08/20/00 Pct Recovery = 95% Analysis Date = 08/20/00 Pct Recovery = 95% Analysis Date = 08/14/00 Pct Recovery = 94% Analysis Date = 08/14/00 Pct Recovery = 94% Analysis Date = 08/07/00 Pct Recovery = 94% Analysis Date = 08/07/00 Pct Recovery = 94% Analysis Date = 08/01/00 Pct Recovery = 94% Analysis Date = 08/01/00 Pct Recovery = 94% Analysis Date = 07/26/00 Pct Recovery = 94% Analysis Date = 07/26/00 Pct Recovery = 94% Analysis Date = 07/20/00 Pct Recovery = 94% Analysis Date = 07/20/00 Pct Recovery = 94% Analysis Date = 07/14/00 Pct Recovery = 93% Analysis Date = 07/14/00 Pct Recovery = 93% Analysis Date = 07/08/00 Pct Recovery = 93% Analysis Date = 07/08/00 Pct Recovery = 93% Analysis Date = 07/01/00 Pct Recovery = 93% Analysis Date = 07/01/00 Pct Recovery = 93% Analysis Date = 06/25/00 Pct Recovery = 93% Analysis Date = 06/25/00 Pct Recovery = 93% Analysis Date = 06/19/00 Pct Recovery = 93% Analysis Date = 06/19/00 Pct Recovery = 93% Analysis Date = 06/13/00 Pct Recovery = 92% Analysis Date = 06/13/00 Pct Recovery = 92% Analysis Date = 06/07/00 Pct Recovery = 92% Analysis Date = 06/07/00 Pct Recovery = 92% Analysis Date = 06/01/00 Pct Recovery = 92% Analysis Date = 06/01/00 Pct Recovery = 92% Analysis Date = 05/26/00 Pct Recovery = 92% Analysis Date = 05/26/00 Pct Recovery = 92% Analysis Date = 05/19/00 Pct Recovery = 91% Analysis Date = 05/19/00 Pct Recovery = 91% Analysis Date = 05/13/00 Pct Recovery = 91% Analysis Date = 05/13/00 Pct Recovery = 91% Analysis Date = 05/07/00 Pct Recovery = 91% Analysis Date = 05/07/00 Pct Recovery = 91% Analysis Date = 05/01/00 Pct Recovery = 91% Analysis Date = 05/01/00 Pct Recovery = 91% Analysis Date = 04/25/00 Pct Recovery = 91% Analysis Date = 04/25/00 Pct Recovery = 91% Analysis Date = 04/19/00 Pct Recovery = 90% Analysis Date = 04/19/00 Pct Recovery = 90% Analysis Date = 04/12/00 Pct Recovery = 90% Analysis Date = 04/12/00 Pct Recovery = 90% Analysis Date = 04/06/00 Pct Recovery = 90% Analysis Date = 04/06/00 Pct Recovery = 90% Analysis Date = 03/31/00 Pct Recovery = 90% Analysis Date = 03/31/00 Pct Recovery = 90% Analysis Date = 03/25/00 Pct Recovery = 89% Analysis Date = 03/25/00 Pct Recovery = 89% Analysis Date = 03/19/00 Pct Recovery = 89% Analysis Date = 03/19/00 Pct Recovery = 89% Analysis Date = 03/13/00 Pct Recovery = 89% Analysis Date = 03/13/00 Pct Recovery = 89% Analysis Date = 03/06/00 Pct Recovery = 89% Analysis Date = 03/06/00 Pct Recovery = 89% Analysis Date = 02/29/00 Pct Recovery = 89% Analysis Date = 02/29/00 Pct Recovery = 89% Analysis Date = 02/23/00 Pct Recovery = 88% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
TRANS-1,3-DICHLOROPROPENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 14 97% 9% 95% 9%
Total 14 97% 9% 95% 9%

Sample Statistics
TRANS-1,3-DICHLOROPROPENE

Characteristic N % % Basis
Plotted 14 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 14 .  
False Negatives 0 0% 0 out of 14
Not Spiked 22 .  
False Positives 0 0% 0 out of 22

BQS OBSP Determination:
TRANS-1,4-DICHLORO-2-BUTENE
METHOD: 4054 , TESTIDCODE: 73547GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 120% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 93% Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 99% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 116% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 98% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 109% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 93% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 108% Analysis Date = 07/31/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 113% Analysis Date = 04/11/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 117% Analysis Date = 02/22/01 SpikeMix = Ultra S0039: 40 µl Pct Recovery = 109% Analysis Date = 10/04/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 103% Analysis Date = 09/10/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 122% Analysis Date = 08/01/03 SpikeMix = AccuStandard B2080329: 20 µl Pct Recovery = 128% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 117% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 107% Analysis Date = 10/03/03 Pct Recovery = 113% Analysis Date = 09/28/03 Pct Recovery = 113% Analysis Date = 09/28/03 Pct Recovery = 113% Analysis Date = 09/22/03 Pct Recovery = 113% Analysis Date = 09/22/03 Pct Recovery = 113% Analysis Date = 09/16/03 Pct Recovery = 113% Analysis Date = 09/16/03 Pct Recovery = 113% Analysis Date = 09/11/03 Pct Recovery = 112% Analysis Date = 09/11/03 Pct Recovery = 112% Analysis Date = 09/05/03 Pct Recovery = 112% Analysis Date = 09/05/03 Pct Recovery = 112% Analysis Date = 08/30/03 Pct Recovery = 112% Analysis Date = 08/30/03 Pct Recovery = 112% Analysis Date = 08/24/03 Pct Recovery = 112% Analysis Date = 08/24/03 Pct Recovery = 112% Analysis Date = 08/19/03 Pct Recovery = 112% Analysis Date = 08/19/03 Pct Recovery = 112% Analysis Date = 08/13/03 Pct Recovery = 112% Analysis Date = 08/13/03 Pct Recovery = 112% Analysis Date = 08/07/03 Pct Recovery = 111% Analysis Date = 08/07/03 Pct Recovery = 111% Analysis Date = 08/02/03 Pct Recovery = 111% Analysis Date = 08/02/03 Pct Recovery = 111% Analysis Date = 07/27/03 Pct Recovery = 111% Analysis Date = 07/27/03 Pct Recovery = 111% Analysis Date = 07/21/03 Pct Recovery = 111% Analysis Date = 07/21/03 Pct Recovery = 111% Analysis Date = 07/15/03 Pct Recovery = 111% Analysis Date = 07/15/03 Pct Recovery = 111% Analysis Date = 07/10/03 Pct Recovery = 111% Analysis Date = 07/10/03 Pct Recovery = 111% Analysis Date = 07/04/03 Pct Recovery = 111% Analysis Date = 07/04/03 Pct Recovery = 111% Analysis Date = 06/28/03 Pct Recovery = 110% Analysis Date = 06/28/03 Pct Recovery = 110% Analysis Date = 06/23/03 Pct Recovery = 110% Analysis Date = 06/23/03 Pct Recovery = 110% Analysis Date = 06/17/03 Pct Recovery = 110% Analysis Date = 06/17/03 Pct Recovery = 110% Analysis Date = 06/11/03 Pct Recovery = 110% Analysis Date = 06/11/03 Pct Recovery = 110% Analysis Date = 06/05/03 Pct Recovery = 110% Analysis Date = 06/05/03 Pct Recovery = 110% Analysis Date = 05/31/03 Pct Recovery = 110% Analysis Date = 05/31/03 Pct Recovery = 110% Analysis Date = 05/25/03 Pct Recovery = 110% Analysis Date = 05/25/03 Pct Recovery = 110% Analysis Date = 05/19/03 Pct Recovery = 110% Analysis Date = 05/19/03 Pct Recovery = 110% Analysis Date = 05/14/03 Pct Recovery = 109% Analysis Date = 05/14/03 Pct Recovery = 109% Analysis Date = 05/08/03 Pct Recovery = 109% Analysis Date = 05/08/03 Pct Recovery = 109% Analysis Date = 05/02/03 Pct Recovery = 109% Analysis Date = 05/02/03 Pct Recovery = 109% Analysis Date = 04/26/03 Pct Recovery = 109% Analysis Date = 04/26/03 Pct Recovery = 109% Analysis Date = 04/21/03 Pct Recovery = 109% Analysis Date = 04/21/03 Pct Recovery = 109% Analysis Date = 04/15/03 Pct Recovery = 109% Analysis Date = 04/15/03 Pct Recovery = 109% Analysis Date = 04/09/03 Pct Recovery = 109% Analysis Date = 04/09/03 Pct Recovery = 109% Analysis Date = 04/04/03 Pct Recovery = 109% Analysis Date = 04/04/03 Pct Recovery = 109% Analysis Date = 03/29/03 Pct Recovery = 109% Analysis Date = 03/29/03 Pct Recovery = 109% Analysis Date = 03/23/03 Pct Recovery = 109% Analysis Date = 03/23/03 Pct Recovery = 109% Analysis Date = 03/17/03 Pct Recovery = 109% Analysis Date = 03/17/03 Pct Recovery = 109% Analysis Date = 03/12/03 Pct Recovery = 108% Analysis Date = 03/12/03 Pct Recovery = 108% Analysis Date = 03/06/03 Pct Recovery = 108% Analysis Date = 03/06/03 Pct Recovery = 108% Analysis Date = 02/28/03 Pct Recovery = 108% Analysis Date = 02/28/03 Pct Recovery = 108% Analysis Date = 02/22/03 Pct Recovery = 108% Analysis Date = 02/22/03 Pct Recovery = 108% Analysis Date = 02/17/03 Pct Recovery = 108% Analysis Date = 02/17/03 Pct Recovery = 108% Analysis Date = 02/11/03 Pct Recovery = 108% Analysis Date = 02/11/03 Pct Recovery = 108% Analysis Date = 02/05/03 Pct Recovery = 108% Analysis Date = 02/05/03 Pct Recovery = 108% Analysis Date = 01/31/03 Pct Recovery = 108% Analysis Date = 01/31/03 Pct Recovery = 108% Analysis Date = 01/25/03 Pct Recovery = 108% Analysis Date = 01/25/03 Pct Recovery = 108% Analysis Date = 01/19/03 Pct Recovery = 108% Analysis Date = 01/19/03 Pct Recovery = 108% Analysis Date = 01/13/03 Pct Recovery = 108% Analysis Date = 01/13/03 Pct Recovery = 108% Analysis Date = 01/08/03 Pct Recovery = 108% Analysis Date = 01/08/03 Pct Recovery = 108% Analysis Date = 01/02/03 Pct Recovery = 107% Analysis Date = 01/02/03 Pct Recovery = 107% Analysis Date = 12/27/02 Pct Recovery = 107% Analysis Date = 12/27/02 Pct Recovery = 107% Analysis Date = 12/22/02 Pct Recovery = 107% Analysis Date = 12/22/02 Pct Recovery = 107% Analysis Date = 12/16/02 Pct Recovery = 107% Analysis Date = 12/16/02 Pct Recovery = 107% Analysis Date = 12/10/02 Pct Recovery = 107% Analysis Date = 12/10/02 Pct Recovery = 107% Analysis Date = 12/04/02 Pct Recovery = 107% Analysis Date = 12/04/02 Pct Recovery = 107% Analysis Date = 11/29/02 Pct Recovery = 107% Analysis Date = 11/29/02 Pct Recovery = 107% Analysis Date = 11/23/02 Pct Recovery = 107% Analysis Date = 11/23/02 Pct Recovery = 107% Analysis Date = 11/17/02 Pct Recovery = 107% Analysis Date = 11/17/02 Pct Recovery = 107% Analysis Date = 11/12/02 Pct Recovery = 107% Analysis Date = 11/12/02 Pct Recovery = 107% Analysis Date = 11/06/02 Pct Recovery = 107% Analysis Date = 11/06/02 Pct Recovery = 107% Analysis Date = 10/31/02 Pct Recovery = 106% Analysis Date = 10/31/02 Pct Recovery = 106% Analysis Date = 10/25/02 Pct Recovery = 106% Analysis Date = 10/25/02 Pct Recovery = 106% Analysis Date = 10/20/02 Pct Recovery = 106% Analysis Date = 10/20/02 Pct Recovery = 106% Analysis Date = 10/14/02 Pct Recovery = 106% Analysis Date = 10/14/02 Pct Recovery = 106% Analysis Date = 10/08/02 Pct Recovery = 106% Analysis Date = 10/08/02 Pct Recovery = 106% Analysis Date = 10/03/02 Pct Recovery = 106% Analysis Date = 10/03/02 Pct Recovery = 106% Analysis Date = 09/27/02 Pct Recovery = 106% Analysis Date = 09/27/02 Pct Recovery = 106% Analysis Date = 09/21/02 Pct Recovery = 106% Analysis Date = 09/21/02 Pct Recovery = 106% Analysis Date = 09/15/02 Pct Recovery = 106% Analysis Date = 09/15/02 Pct Recovery = 106% Analysis Date = 09/10/02 Pct Recovery = 106% Analysis Date = 09/10/02 Pct Recovery = 106% Analysis Date = 09/04/02 Pct Recovery = 106% Analysis Date = 09/04/02 Pct Recovery = 106% Analysis Date = 08/29/02 Pct Recovery = 106% Analysis Date = 08/29/02 Pct Recovery = 106% Analysis Date = 08/24/02 Pct Recovery = 105% Analysis Date = 08/24/02 Pct Recovery = 105% Analysis Date = 08/18/02 Pct Recovery = 105% Analysis Date = 08/18/02 Pct Recovery = 105% Analysis Date = 08/12/02 Pct Recovery = 105% Analysis Date = 08/12/02 Pct Recovery = 105% Analysis Date = 08/06/02 Pct Recovery = 105% Analysis Date = 08/06/02 Pct Recovery = 105% Analysis Date = 08/01/02 Pct Recovery = 105% Analysis Date = 08/01/02 Pct Recovery = 105% Analysis Date = 07/26/02 Pct Recovery = 105% Analysis Date = 07/26/02 Pct Recovery = 105% Analysis Date = 07/20/02 Pct Recovery = 105% Analysis Date = 07/20/02 Pct Recovery = 105% Analysis Date = 07/14/02 Pct Recovery = 105% Analysis Date = 07/14/02 Pct Recovery = 105% Analysis Date = 07/09/02 Pct Recovery = 105% Analysis Date = 07/09/02 Pct Recovery = 105% Analysis Date = 07/03/02 Pct Recovery = 106% Analysis Date = 07/03/02 Pct Recovery = 106% Analysis Date = 06/27/02 Pct Recovery = 106% Analysis Date = 06/27/02 Pct Recovery = 106% Analysis Date = 06/22/02 Pct Recovery = 106% Analysis Date = 06/22/02 Pct Recovery = 106% Analysis Date = 06/16/02 Pct Recovery = 106% Analysis Date = 06/16/02 Pct Recovery = 106% Analysis Date = 06/10/02 Pct Recovery = 106% Analysis Date = 06/10/02 Pct Recovery = 106% Analysis Date = 06/04/02 Pct Recovery = 106% Analysis Date = 06/04/02 Pct Recovery = 106% Analysis Date = 05/30/02 Pct Recovery = 106% Analysis Date = 05/30/02 Pct Recovery = 106% Analysis Date = 05/24/02 Pct Recovery = 106% Analysis Date = 05/24/02 Pct Recovery = 106% Analysis Date = 05/18/02 Pct Recovery = 106% Analysis Date = 05/18/02 Pct Recovery = 106% Analysis Date = 05/13/02 Pct Recovery = 106% Analysis Date = 05/13/02 Pct Recovery = 106% Analysis Date = 05/07/02 Pct Recovery = 106% Analysis Date = 05/07/02 Pct Recovery = 106% Analysis Date = 05/01/02 Pct Recovery = 106% Analysis Date = 05/01/02 Pct Recovery = 106% Analysis Date = 04/25/02 Pct Recovery = 106% Analysis Date = 04/25/02 Pct Recovery = 106% Analysis Date = 04/20/02 Pct Recovery = 107% Analysis Date = 04/20/02 Pct Recovery = 107% Analysis Date = 04/14/02 Pct Recovery = 107% Analysis Date = 04/14/02 Pct Recovery = 107% Analysis Date = 04/08/02 Pct Recovery = 107% Analysis Date = 04/08/02 Pct Recovery = 107% Analysis Date = 04/03/02 Pct Recovery = 107% Analysis Date = 04/03/02 Pct Recovery = 107% Analysis Date = 03/28/02 Pct Recovery = 107% Analysis Date = 03/28/02 Pct Recovery = 107% Analysis Date = 03/22/02 Pct Recovery = 107% Analysis Date = 03/22/02 Pct Recovery = 107% Analysis Date = 03/16/02 Pct Recovery = 107% Analysis Date = 03/16/02 Pct Recovery = 107% Analysis Date = 03/11/02 Pct Recovery = 107% Analysis Date = 03/11/02 Pct Recovery = 107% Analysis Date = 03/05/02 Pct Recovery = 108% Analysis Date = 03/05/02 Pct Recovery = 108% Analysis Date = 02/27/02 Pct Recovery = 108% Analysis Date = 02/27/02 Pct Recovery = 108% Analysis Date = 02/22/02 Pct Recovery = 108% Analysis Date = 02/22/02 Pct Recovery = 108% Analysis Date = 02/16/02 Pct Recovery = 108% Analysis Date = 02/16/02 Pct Recovery = 108% Analysis Date = 02/10/02 Pct Recovery = 108% Analysis Date = 02/10/02 Pct Recovery = 108% Analysis Date = 02/04/02 Pct Recovery = 108% Analysis Date = 02/04/02 Pct Recovery = 108% Analysis Date = 01/30/02 Pct Recovery = 108% Analysis Date = 01/30/02 Pct Recovery = 108% Analysis Date = 01/24/02 Pct Recovery = 108% Analysis Date = 01/24/02 Pct Recovery = 108% Analysis Date = 01/18/02 Pct Recovery = 108% Analysis Date = 01/18/02 Pct Recovery = 108% Analysis Date = 01/13/02 Pct Recovery = 109% Analysis Date = 01/13/02 Pct Recovery = 109% Analysis Date = 01/07/02 Pct Recovery = 109% Analysis Date = 01/07/02 Pct Recovery = 109% Analysis Date = 01/01/02 Pct Recovery = 109% Analysis Date = 01/01/02 Pct Recovery = 109% Analysis Date = 12/26/01 Pct Recovery = 109% Analysis Date = 12/26/01 Pct Recovery = 109% Analysis Date = 12/21/01 Pct Recovery = 109% Analysis Date = 12/21/01 Pct Recovery = 109% Analysis Date = 12/15/01 Pct Recovery = 109% Analysis Date = 12/15/01 Pct Recovery = 109% Analysis Date = 12/09/01 Pct Recovery = 109% Analysis Date = 12/09/01 Pct Recovery = 109% Analysis Date = 12/03/01 Pct Recovery = 109% Analysis Date = 12/03/01 Pct Recovery = 109% Analysis Date = 11/28/01 Pct Recovery = 110% Analysis Date = 11/28/01 Pct Recovery = 110% Analysis Date = 11/22/01 Pct Recovery = 110% Analysis Date = 11/22/01 Pct Recovery = 110% Analysis Date = 11/16/01 Pct Recovery = 110% Analysis Date = 11/16/01 Pct Recovery = 110% Analysis Date = 11/11/01 Pct Recovery = 110% Analysis Date = 11/11/01 Pct Recovery = 110% Analysis Date = 11/05/01 Pct Recovery = 110% Analysis Date = 11/05/01 Pct Recovery = 110% Analysis Date = 10/30/01 Pct Recovery = 110% Analysis Date = 10/30/01 Pct Recovery = 110% Analysis Date = 10/24/01 Pct Recovery = 110% Analysis Date = 10/24/01 Pct Recovery = 110% Analysis Date = 10/19/01 Pct Recovery = 110% Analysis Date = 10/19/01 Pct Recovery = 110% Analysis Date = 10/13/01 Pct Recovery = 111% Analysis Date = 10/13/01 Pct Recovery = 111% Analysis Date = 10/07/01 Pct Recovery = 111% Analysis Date = 10/07/01 Pct Recovery = 111% Analysis Date = 10/02/01 Pct Recovery = 111% Analysis Date = 10/02/01 Pct Recovery = 111% Analysis Date = 09/26/01 Pct Recovery = 111% Analysis Date = 09/26/01 Pct Recovery = 111% Analysis Date = 09/20/01 Pct Recovery = 111% Analysis Date = 09/20/01 Pct Recovery = 111% Analysis Date = 09/14/01 Pct Recovery = 111% Analysis Date = 09/14/01 Pct Recovery = 111% Analysis Date = 09/09/01 Pct Recovery = 111% Analysis Date = 09/09/01 Pct Recovery = 111% Analysis Date = 09/03/01 Pct Recovery = 111% Analysis Date = 09/03/01 Pct Recovery = 111% Analysis Date = 08/28/01 Pct Recovery = 111% Analysis Date = 08/28/01 Pct Recovery = 111% Analysis Date = 08/23/01 Pct Recovery = 112% Analysis Date = 08/23/01 Pct Recovery = 112% Analysis Date = 08/17/01 Pct Recovery = 112% Analysis Date = 08/17/01 Pct Recovery = 112% Analysis Date = 08/11/01 Pct Recovery = 112% Analysis Date = 08/11/01 Pct Recovery = 112% Analysis Date = 08/05/01 Pct Recovery = 112% Analysis Date = 08/05/01 Pct Recovery = 112% Analysis Date = 07/31/01 Pct Recovery = 112% Analysis Date = 07/31/01 Pct Recovery = 112% Analysis Date = 07/25/01 Pct Recovery = 112% Analysis Date = 07/25/01 Pct Recovery = 112% Analysis Date = 07/19/01 Pct Recovery = 112% Analysis Date = 07/19/01 Pct Recovery = 112% Analysis Date = 07/14/01 Pct Recovery = 112% Analysis Date = 07/14/01 Pct Recovery = 112% Analysis Date = 07/08/01 Pct Recovery = 112% Analysis Date = 07/08/01 Pct Recovery = 112% Analysis Date = 07/02/01 Pct Recovery = 112% Analysis Date = 07/02/01 Pct Recovery = 112% Analysis Date = 06/26/01 Pct Recovery = 112% Analysis Date = 06/26/01 Pct Recovery = 112% Analysis Date = 06/21/01 Pct Recovery = 112% Analysis Date = 06/21/01 Pct Recovery = 112% Analysis Date = 06/15/01 Pct Recovery = 112% Analysis Date = 06/15/01 Pct Recovery = 112% Analysis Date = 06/09/01 Pct Recovery = 112% Analysis Date = 06/09/01 Pct Recovery = 112% Analysis Date = 06/04/01 Pct Recovery = 112% Analysis Date = 06/04/01 Pct Recovery = 112% Analysis Date = 05/29/01 Pct Recovery = 112% Analysis Date = 05/29/01 Pct Recovery = 112% Analysis Date = 05/23/01 Pct Recovery = 112% Analysis Date = 05/23/01 Pct Recovery = 112% Analysis Date = 05/17/01 Pct Recovery = 112% Analysis Date = 05/17/01 Pct Recovery = 112% Analysis Date = 05/12/01 Pct Recovery = 112% Analysis Date = 05/12/01 Pct Recovery = 112% Analysis Date = 05/06/01 Pct Recovery = 112% Analysis Date = 05/06/01 Pct Recovery = 112% Analysis Date = 04/30/01 Pct Recovery = 112% Analysis Date = 04/30/01 Pct Recovery = 112% Analysis Date = 04/24/01 Pct Recovery = 112% Analysis Date = 04/24/01 Pct Recovery = 112% Analysis Date = 04/19/01 Pct Recovery = 112% Analysis Date = 04/19/01 Pct Recovery = 112% Analysis Date = 04/13/01 Pct Recovery = 112% Analysis Date = 04/13/01 Pct Recovery = 112% Analysis Date = 04/07/01 Pct Recovery = 112% Analysis Date = 04/07/01 Pct Recovery = 112% Analysis Date = 04/02/01 Pct Recovery = 112% Analysis Date = 04/02/01 Pct Recovery = 112% Analysis Date = 03/27/01 Pct Recovery = 112% Analysis Date = 03/27/01 Pct Recovery = 112% Analysis Date = 03/21/01 Pct Recovery = 111% Analysis Date = 03/21/01 Pct Recovery = 111% Analysis Date = 03/15/01 Pct Recovery = 111% Analysis Date = 03/15/01 Pct Recovery = 111% Analysis Date = 03/10/01 Pct Recovery = 111% Analysis Date = 03/10/01 Pct Recovery = 111% Analysis Date = 03/04/01 Pct Recovery = 111% Analysis Date = 03/04/01 Pct Recovery = 111% Analysis Date = 02/26/01 Pct Recovery = 111% Analysis Date = 02/26/01 Pct Recovery = 111% Analysis Date = 02/21/01 Pct Recovery = 111% Analysis Date = 02/21/01 Pct Recovery = 111% Analysis Date = 02/15/01 Pct Recovery = 110% Analysis Date = 02/15/01 Pct Recovery = 110% Analysis Date = 02/09/01 Pct Recovery = 110% Analysis Date = 02/09/01 Pct Recovery = 110% Analysis Date = 02/03/01 Pct Recovery = 110% Analysis Date = 02/03/01 Pct Recovery = 110% Analysis Date = 01/29/01 Pct Recovery = 110% Analysis Date = 01/29/01 Pct Recovery = 110% Analysis Date = 01/23/01 Pct Recovery = 110% Analysis Date = 01/23/01 Pct Recovery = 110% Analysis Date = 01/17/01 Pct Recovery = 110% Analysis Date = 01/17/01 Pct Recovery = 110% Analysis Date = 01/12/01 Pct Recovery = 109% Analysis Date = 01/12/01 Pct Recovery = 109% Analysis Date = 01/06/01 Pct Recovery = 109% Analysis Date = 01/06/01 Pct Recovery = 109% Analysis Date = 12/31/00 Pct Recovery = 109% Analysis Date = 12/31/00 Pct Recovery = 109% Analysis Date = 12/25/00 Pct Recovery = 109% Analysis Date = 12/25/00 Pct Recovery = 109% Analysis Date = 12/20/00 Pct Recovery = 109% Analysis Date = 12/20/00 Pct Recovery = 109% Analysis Date = 12/14/00 Pct Recovery = 108% Analysis Date = 12/14/00 Pct Recovery = 108% Analysis Date = 12/08/00 Pct Recovery = 108% Analysis Date = 12/08/00 Pct Recovery = 108% Analysis Date = 12/03/00 Pct Recovery = 108% Analysis Date = 12/03/00 Pct Recovery = 108% Analysis Date = 11/27/00 Pct Recovery = 108% Analysis Date = 11/27/00 Pct Recovery = 108% Analysis Date = 11/21/00 Pct Recovery = 108% Analysis Date = 11/21/00 Pct Recovery = 108% Analysis Date = 11/15/00 Pct Recovery = 108% Analysis Date = 11/15/00 Pct Recovery = 108% Analysis Date = 11/10/00 Pct Recovery = 107% Analysis Date = 11/10/00 Pct Recovery = 107% Analysis Date = 11/04/00 Pct Recovery = 107% Analysis Date = 11/04/00 Pct Recovery = 107% Analysis Date = 10/29/00 Pct Recovery = 107% Analysis Date = 10/29/00 Pct Recovery = 107% Analysis Date = 10/24/00 Pct Recovery = 107% Analysis Date = 10/24/00 Pct Recovery = 107% Analysis Date = 10/18/00 Pct Recovery = 106% Analysis Date = 10/18/00 Pct Recovery = 106% Analysis Date = 10/12/00 Pct Recovery = 106% Analysis Date = 10/12/00 Pct Recovery = 106% Analysis Date = 10/06/00 Pct Recovery = 106% Analysis Date = 10/06/00 Pct Recovery = 106% Analysis Date = 10/01/00 Pct Recovery = 106% Analysis Date = 10/01/00 Pct Recovery = 106% Analysis Date = 09/25/00 Pct Recovery = 106% Analysis Date = 09/25/00 Pct Recovery = 106% Analysis Date = 09/19/00 Pct Recovery = 105% Analysis Date = 09/19/00 Pct Recovery = 105% Analysis Date = 09/13/00 Pct Recovery = 105% Analysis Date = 09/13/00 Pct Recovery = 105% Analysis Date = 09/08/00 Pct Recovery = 105% Analysis Date = 09/08/00 Pct Recovery = 105% Analysis Date = 09/02/00 Pct Recovery = 105% Analysis Date = 09/02/00 Pct Recovery = 105% Analysis Date = 08/27/00 Pct Recovery = 104% Analysis Date = 08/27/00 Pct Recovery = 104% Analysis Date = 08/22/00 Pct Recovery = 104% Analysis Date = 08/22/00 Pct Recovery = 104% Analysis Date = 08/16/00 Pct Recovery = 104% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
TRANS-1,4-DICHLORO-2-BUTENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 2 112% 7% 112% 8%
>= Reporting Level 14 109% 11% 109% 14%
Total 16 109% 10% 109% 12%

Sample Statistics
TRANS-1,4-DICHLORO-2-BUTENE

Characteristic N % % Basis
Plotted 16 94% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 1 6% Spiked
Spiked 17 .  
False Negatives 0 0% 0 out of 17
Not Spiked 19 .  
False Positives 0 0% 0 out of 19

BQS OBSP Determination:
TRICHLOROETHYLENE
METHOD: 4054 , TESTIDCODE: 39180GCM66
Open Data Set

Analysis Date = 03/23/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 107% Analysis Date = 02/14/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 105% Analysis Date = 01/20/00 SpikeMix = ERA 1210-98-04B: 25 µl Pct Recovery = 115% Analysis Date = 08/25/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 101% Analysis Date = 06/09/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 108% Analysis Date = 03/14/01 SpikeMix = ERA 1128-00-06B: 30 µl Pct Recovery = 98% Analysis Date = 05/18/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 103% Analysis Date = 01/20/00 SpikeMix = ERA 093VOC: 40 µl Pct Recovery = 104% Analysis Date = 04/27/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 118% Analysis Date = 04/04/00 SpikeMix = ERA 1210-98-04B: 5 µl Pct Recovery = 103% Analysis Date = 10/18/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 100% Analysis Date = 04/04/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 90% Analysis Date = 01/11/00 SpikeMix = ERA 093VOC: 8 µl Pct Recovery = 108% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 108% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 98% Analysis Date = 10/04/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 106% Analysis Date = 07/25/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 96% Analysis Date = 03/23/00 SpikeMix = Restek 57150: 30 µl Pct Recovery = 104% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 109% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 124% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 110% Analysis Date = 08/24/01 Pct Recovery = 103% Analysis Date = 08/22/01 Pct Recovery = 103% Analysis Date = 08/22/01 Pct Recovery = 103% Analysis Date = 08/19/01 Pct Recovery = 103% Analysis Date = 08/19/01 Pct Recovery = 103% Analysis Date = 08/16/01 Pct Recovery = 103% Analysis Date = 08/16/01 Pct Recovery = 103% Analysis Date = 08/13/01 Pct Recovery = 103% Analysis Date = 08/13/01 Pct Recovery = 103% Analysis Date = 08/10/01 Pct Recovery = 103% Analysis Date = 08/10/01 Pct Recovery = 103% Analysis Date = 08/07/01 Pct Recovery = 103% Analysis Date = 08/07/01 Pct Recovery = 103% Analysis Date = 08/04/01 Pct Recovery = 103% Analysis Date = 08/04/01 Pct Recovery = 103% Analysis Date = 08/01/01 Pct Recovery = 103% Analysis Date = 08/01/01 Pct Recovery = 103% Analysis Date = 07/29/01 Pct Recovery = 103% Analysis Date = 07/29/01 Pct Recovery = 103% Analysis Date = 07/26/01 Pct Recovery = 103% Analysis Date = 07/26/01 Pct Recovery = 103% Analysis Date = 07/23/01 Pct Recovery = 103% Analysis Date = 07/23/01 Pct Recovery = 103% Analysis Date = 07/20/01 Pct Recovery = 103% Analysis Date = 07/20/01 Pct Recovery = 103% Analysis Date = 07/17/01 Pct Recovery = 103% Analysis Date = 07/17/01 Pct Recovery = 103% Analysis Date = 07/14/01 Pct Recovery = 103% Analysis Date = 07/14/01 Pct Recovery = 103% Analysis Date = 07/11/01 Pct Recovery = 103% Analysis Date = 07/11/01 Pct Recovery = 103% Analysis Date = 07/08/01 Pct Recovery = 103% Analysis Date = 07/08/01 Pct Recovery = 103% Analysis Date = 07/05/01 Pct Recovery = 103% Analysis Date = 07/05/01 Pct Recovery = 103% Analysis Date = 07/02/01 Pct Recovery = 103% Analysis Date = 07/02/01 Pct Recovery = 103% Analysis Date = 06/29/01 Pct Recovery = 103% Analysis Date = 06/29/01 Pct Recovery = 103% Analysis Date = 06/26/01 Pct Recovery = 103% Analysis Date = 06/26/01 Pct Recovery = 103% Analysis Date = 06/23/01 Pct Recovery = 103% Analysis Date = 06/23/01 Pct Recovery = 103% Analysis Date = 06/20/01 Pct Recovery = 103% Analysis Date = 06/20/01 Pct Recovery = 103% Analysis Date = 06/17/01 Pct Recovery = 103% Analysis Date = 06/17/01 Pct Recovery = 103% Analysis Date = 06/15/01 Pct Recovery = 103% Analysis Date = 06/15/01 Pct Recovery = 103% Analysis Date = 06/12/01 Pct Recovery = 103% Analysis Date = 06/12/01 Pct Recovery = 103% Analysis Date = 06/09/01 Pct Recovery = 103% Analysis Date = 06/09/01 Pct Recovery = 103% Analysis Date = 06/06/01 Pct Recovery = 103% Analysis Date = 06/06/01 Pct Recovery = 103% Analysis Date = 06/03/01 Pct Recovery = 103% Analysis Date = 06/03/01 Pct Recovery = 103% Analysis Date = 05/31/01 Pct Recovery = 103% Analysis Date = 05/31/01 Pct Recovery = 103% Analysis Date = 05/28/01 Pct Recovery = 103% Analysis Date = 05/28/01 Pct Recovery = 103% Analysis Date = 05/25/01 Pct Recovery = 103% Analysis Date = 05/25/01 Pct Recovery = 103% Analysis Date = 05/22/01 Pct Recovery = 103% Analysis Date = 05/22/01 Pct Recovery = 103% Analysis Date = 05/19/01 Pct Recovery = 103% Analysis Date = 05/19/01 Pct Recovery = 103% Analysis Date = 05/16/01 Pct Recovery = 103% Analysis Date = 05/16/01 Pct Recovery = 103% Analysis Date = 05/13/01 Pct Recovery = 103% Analysis Date = 05/13/01 Pct Recovery = 103% Analysis Date = 05/10/01 Pct Recovery = 103% Analysis Date = 05/10/01 Pct Recovery = 103% Analysis Date = 05/07/01 Pct Recovery = 103% Analysis Date = 05/07/01 Pct Recovery = 103% Analysis Date = 05/04/01 Pct Recovery = 103% Analysis Date = 05/04/01 Pct Recovery = 103% Analysis Date = 05/01/01 Pct Recovery = 103% Analysis Date = 05/01/01 Pct Recovery = 103% Analysis Date = 04/28/01 Pct Recovery = 103% Analysis Date = 04/28/01 Pct Recovery = 103% Analysis Date = 04/25/01 Pct Recovery = 103% Analysis Date = 04/25/01 Pct Recovery = 103% Analysis Date = 04/22/01 Pct Recovery = 103% Analysis Date = 04/22/01 Pct Recovery = 103% Analysis Date = 04/19/01 Pct Recovery = 103% Analysis Date = 04/19/01 Pct Recovery = 103% Analysis Date = 04/16/01 Pct Recovery = 103% Analysis Date = 04/16/01 Pct Recovery = 103% Analysis Date = 04/13/01 Pct Recovery = 103% Analysis Date = 04/13/01 Pct Recovery = 103% Analysis Date = 04/10/01 Pct Recovery = 103% Analysis Date = 04/10/01 Pct Recovery = 103% Analysis Date = 04/08/01 Pct Recovery = 103% Analysis Date = 04/08/01 Pct Recovery = 103% Analysis Date = 04/05/01 Pct Recovery = 103% Analysis Date = 04/05/01 Pct Recovery = 103% Analysis Date = 04/02/01 Pct Recovery = 103% Analysis Date = 04/02/01 Pct Recovery = 103% Analysis Date = 03/30/01 Pct Recovery = 103% Analysis Date = 03/30/01 Pct Recovery = 103% Analysis Date = 03/27/01 Pct Recovery = 103% Analysis Date = 03/27/01 Pct Recovery = 103% Analysis Date = 03/24/01 Pct Recovery = 103% Analysis Date = 03/24/01 Pct Recovery = 103% Analysis Date = 03/21/01 Pct Recovery = 103% Analysis Date = 03/21/01 Pct Recovery = 103% Analysis Date = 03/18/01 Pct Recovery = 103% Analysis Date = 03/18/01 Pct Recovery = 103% Analysis Date = 03/15/01 Pct Recovery = 103% Analysis Date = 03/15/01 Pct Recovery = 103% Analysis Date = 03/12/01 Pct Recovery = 103% Analysis Date = 03/12/01 Pct Recovery = 103% Analysis Date = 03/09/01 Pct Recovery = 103% Analysis Date = 03/09/01 Pct Recovery = 103% Analysis Date = 03/06/01 Pct Recovery = 103% Analysis Date = 03/06/01 Pct Recovery = 103% Analysis Date = 03/03/01 Pct Recovery = 103% Analysis Date = 03/03/01 Pct Recovery = 103% Analysis Date = 02/28/01 Pct Recovery = 103% Analysis Date = 02/28/01 Pct Recovery = 103% Analysis Date = 02/25/01 Pct Recovery = 103% Analysis Date = 02/25/01 Pct Recovery = 103% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/22/01 Pct Recovery = 103% Analysis Date = 02/19/01 Pct Recovery = 103% Analysis Date = 02/19/01 Pct Recovery = 103% Analysis Date = 02/16/01 Pct Recovery = 103% Analysis Date = 02/16/01 Pct Recovery = 103% Analysis Date = 02/13/01 Pct Recovery = 103% Analysis Date = 02/13/01 Pct Recovery = 103% Analysis Date = 02/10/01 Pct Recovery = 103% Analysis Date = 02/10/01 Pct Recovery = 103% Analysis Date = 02/07/01 Pct Recovery = 103% Analysis Date = 02/07/01 Pct Recovery = 103% Analysis Date = 02/04/01 Pct Recovery = 103% Analysis Date = 02/04/01 Pct Recovery = 103% Analysis Date = 02/01/01 Pct Recovery = 103% Analysis Date = 02/01/01 Pct Recovery = 103% Analysis Date = 01/30/01 Pct Recovery = 103% Analysis Date = 01/30/01 Pct Recovery = 103% Analysis Date = 01/27/01 Pct Recovery = 103% Analysis Date = 01/27/01 Pct Recovery = 103% Analysis Date = 01/24/01 Pct Recovery = 103% Analysis Date = 01/24/01 Pct Recovery = 103% Analysis Date = 01/21/01 Pct Recovery = 103% Analysis Date = 01/21/01 Pct Recovery = 103% Analysis Date = 01/18/01 Pct Recovery = 103% Analysis Date = 01/18/01 Pct Recovery = 103% Analysis Date = 01/15/01 Pct Recovery = 103% Analysis Date = 01/15/01 Pct Recovery = 103% Analysis Date = 01/12/01 Pct Recovery = 102% Analysis Date = 01/12/01 Pct Recovery = 102% Analysis Date = 01/09/01 Pct Recovery = 102% Analysis Date = 01/09/01 Pct Recovery = 102% Analysis Date = 01/06/01 Pct Recovery = 102% Analysis Date = 01/06/01 Pct Recovery = 102% Analysis Date = 01/03/01 Pct Recovery = 102% Analysis Date = 01/03/01 Pct Recovery = 102% Analysis Date = 12/31/00 Pct Recovery = 102% Analysis Date = 12/31/00 Pct Recovery = 102% Analysis Date = 12/28/00 Pct Recovery = 102% Analysis Date = 12/28/00 Pct Recovery = 102% Analysis Date = 12/25/00 Pct Recovery = 102% Analysis Date = 12/25/00 Pct Recovery = 102% Analysis Date = 12/22/00 Pct Recovery = 102% Analysis Date = 12/22/00 Pct Recovery = 102% Analysis Date = 12/19/00 Pct Recovery = 102% Analysis Date = 12/19/00 Pct Recovery = 102% Analysis Date = 12/16/00 Pct Recovery = 102% Analysis Date = 12/16/00 Pct Recovery = 102% Analysis Date = 12/13/00 Pct Recovery = 102% Analysis Date = 12/13/00 Pct Recovery = 102% Analysis Date = 12/10/00 Pct Recovery = 102% Analysis Date = 12/10/00 Pct Recovery = 102% Analysis Date = 12/07/00 Pct Recovery = 102% Analysis Date = 12/07/00 Pct Recovery = 102% Analysis Date = 12/04/00 Pct Recovery = 102% Analysis Date = 12/04/00 Pct Recovery = 102% Analysis Date = 12/01/00 Pct Recovery = 102% Analysis Date = 12/01/00 Pct Recovery = 102% Analysis Date = 11/28/00 Pct Recovery = 102% Analysis Date = 11/28/00 Pct Recovery = 102% Analysis Date = 11/25/00 Pct Recovery = 102% Analysis Date = 11/25/00 Pct Recovery = 102% Analysis Date = 11/23/00 Pct Recovery = 102% Analysis Date = 11/23/00 Pct Recovery = 102% Analysis Date = 11/20/00 Pct Recovery = 102% Analysis Date = 11/20/00 Pct Recovery = 102% Analysis Date = 11/17/00 Pct Recovery = 102% Analysis Date = 11/17/00 Pct Recovery = 102% Analysis Date = 11/14/00 Pct Recovery = 102% Analysis Date = 11/14/00 Pct Recovery = 102% Analysis Date = 11/11/00 Pct Recovery = 102% Analysis Date = 11/11/00 Pct Recovery = 102% Analysis Date = 11/08/00 Pct Recovery = 102% Analysis Date = 11/08/00 Pct Recovery = 102% Analysis Date = 11/05/00 Pct Recovery = 102% Analysis Date = 11/05/00 Pct Recovery = 102% Analysis Date = 11/02/00 Pct Recovery = 102% Analysis Date = 11/02/00 Pct Recovery = 102% Analysis Date = 10/30/00 Pct Recovery = 102% Analysis Date = 10/30/00 Pct Recovery = 102% Analysis Date = 10/27/00 Pct Recovery = 102% Analysis Date = 10/27/00 Pct Recovery = 102% Analysis Date = 10/24/00 Pct Recovery = 103% Analysis Date = 10/24/00 Pct Recovery = 103% Analysis Date = 10/21/00 Pct Recovery = 103% Analysis Date = 10/21/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/15/00 Pct Recovery = 103% Analysis Date = 10/15/00 Pct Recovery = 103% Analysis Date = 10/12/00 Pct Recovery = 103% Analysis Date = 10/12/00 Pct Recovery = 103% Analysis Date = 10/09/00 Pct Recovery = 103% Analysis Date = 10/09/00 Pct Recovery = 103% Analysis Date = 10/06/00 Pct Recovery = 103% Analysis Date = 10/06/00 Pct Recovery = 103% Analysis Date = 10/03/00 Pct Recovery = 103% Analysis Date = 10/03/00 Pct Recovery = 103% Analysis Date = 09/30/00 Pct Recovery = 103% Analysis Date = 09/30/00 Pct Recovery = 103% Analysis Date = 09/27/00 Pct Recovery = 103% Analysis Date = 09/27/00 Pct Recovery = 103% Analysis Date = 09/24/00 Pct Recovery = 103% Analysis Date = 09/24/00 Pct Recovery = 103% Analysis Date = 09/21/00 Pct Recovery = 103% Analysis Date = 09/21/00 Pct Recovery = 103% Analysis Date = 09/18/00 Pct Recovery = 103% Analysis Date = 09/18/00 Pct Recovery = 103% Analysis Date = 09/15/00 Pct Recovery = 103% Analysis Date = 09/15/00 Pct Recovery = 103% Analysis Date = 09/13/00 Pct Recovery = 103% Analysis Date = 09/13/00 Pct Recovery = 103% Analysis Date = 09/10/00 Pct Recovery = 103% Analysis Date = 09/10/00 Pct Recovery = 103% Analysis Date = 09/07/00 Pct Recovery = 103% Analysis Date = 09/07/00 Pct Recovery = 103% Analysis Date = 09/04/00 Pct Recovery = 103% Analysis Date = 09/04/00 Pct Recovery = 103% Analysis Date = 09/01/00 Pct Recovery = 103% Analysis Date = 09/01/00 Pct Recovery = 103% Analysis Date = 08/29/00 Pct Recovery = 103% Analysis Date = 08/29/00 Pct Recovery = 103% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/26/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/23/00 Pct Recovery = 103% Analysis Date = 08/20/00 Pct Recovery = 103% Analysis Date = 08/20/00 Pct Recovery = 103% Analysis Date = 08/17/00 Pct Recovery = 103% Analysis Date = 08/17/00 Pct Recovery = 103% Analysis Date = 08/14/00 Pct Recovery = 103% Analysis Date = 08/14/00 Pct Recovery = 103% Analysis Date = 08/11/00 Pct Recovery = 103% Analysis Date = 08/11/00 Pct Recovery = 103% Analysis Date = 08/08/00 Pct Recovery = 103% Analysis Date = 08/08/00 Pct Recovery = 103% Analysis Date = 08/05/00 Pct Recovery = 103% Analysis Date = 08/05/00 Pct Recovery = 103% Analysis Date = 08/02/00 Pct Recovery = 103% Analysis Date = 08/02/00 Pct Recovery = 103% Analysis Date = 07/30/00 Pct Recovery = 103% Analysis Date = 07/30/00 Pct Recovery = 103% Analysis Date = 07/27/00 Pct Recovery = 103% Analysis Date = 07/27/00 Pct Recovery = 103% Analysis Date = 07/24/00 Pct Recovery = 103% Analysis Date = 07/24/00 Pct Recovery = 103% Analysis Date = 07/21/00 Pct Recovery = 103% Analysis Date = 07/21/00 Pct Recovery = 103% Analysis Date = 07/18/00 Pct Recovery = 103% Analysis Date = 07/18/00 Pct Recovery = 103% Analysis Date = 07/15/00 Pct Recovery = 103% Analysis Date = 07/15/00 Pct Recovery = 103% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/12/00 Pct Recovery = 104% Analysis Date = 07/09/00 Pct Recovery = 104% Analysis Date = 07/09/00 Pct Recovery = 104% Analysis Date = 07/07/00 Pct Recovery = 104% Analysis Date = 07/07/00 Pct Recovery = 104% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 07/04/00 Pct Recovery = 104% Analysis Date = 07/01/00 Pct Recovery = 104% Analysis Date = 07/01/00 Pct Recovery = 104% Analysis Date = 06/28/00 Pct Recovery = 104% Analysis Date = 06/28/00 Pct Recovery = 104% Analysis Date = 06/25/00 Pct Recovery = 104% Analysis Date = 06/25/00 Pct Recovery = 104% Analysis Date = 06/22/00 Pct Recovery = 104% Analysis Date = 06/22/00 Pct Recovery = 104% Analysis Date = 06/19/00 Pct Recovery = 105% Analysis Date = 06/19/00 Pct Recovery = 105% Analysis Date = 06/16/00 Pct Recovery = 105% Analysis Date = 06/16/00 Pct Recovery = 105% Analysis Date = 06/13/00 Pct Recovery = 105% Analysis Date = 06/13/00 Pct Recovery = 105% Analysis Date = 06/10/00 Pct Recovery = 105% Analysis Date = 06/10/00 Pct Recovery = 105% Analysis Date = 06/07/00 Pct Recovery = 105% Analysis Date = 06/07/00 Pct Recovery = 105% Analysis Date = 06/04/00 Pct Recovery = 106% Analysis Date = 06/04/00 Pct Recovery = 106% Analysis Date = 06/01/00 Pct Recovery = 106% Analysis Date = 06/01/00 Pct Recovery = 106% Analysis Date = 05/29/00 Pct Recovery = 106% Analysis Date = 05/29/00 Pct Recovery = 106% Analysis Date = 05/26/00 Pct Recovery = 106% Analysis Date = 05/26/00 Pct Recovery = 106% Analysis Date = 05/23/00 Pct Recovery = 106% Analysis Date = 05/23/00 Pct Recovery = 106% Analysis Date = 05/20/00 Pct Recovery = 107% Analysis Date = 05/20/00 Pct Recovery = 107% Analysis Date = 05/17/00 Pct Recovery = 107% Analysis Date = 05/17/00 Pct Recovery = 107% Analysis Date = 05/14/00 Pct Recovery = 107% Analysis Date = 05/14/00 Pct Recovery = 107% Analysis Date = 05/11/00 Pct Recovery = 107% Analysis Date = 05/11/00 Pct Recovery = 107% Analysis Date = 05/08/00 Pct Recovery = 107% Analysis Date = 05/08/00 Pct Recovery = 107% Analysis Date = 05/05/00 Pct Recovery = 108% Analysis Date = 05/05/00 Pct Recovery = 108% Analysis Date = 05/02/00 Pct Recovery = 108% Analysis Date = 05/02/00 Pct Recovery = 108% Analysis Date = 04/30/00 Pct Recovery = 108% Analysis Date = 04/30/00 Pct Recovery = 108% Analysis Date = 04/27/00 Pct Recovery = 108% Analysis Date = 04/27/00 Pct Recovery = 108% Analysis Date = 04/24/00 Pct Recovery = 108% Analysis Date = 04/24/00 Pct Recovery = 108% Analysis Date = 04/21/00 Pct Recovery = 108% Analysis Date = 04/21/00 Pct Recovery = 108% Analysis Date = 04/18/00 Pct Recovery = 108% Analysis Date = 04/18/00 Pct Recovery = 108% Analysis Date = 04/15/00 Pct Recovery = 108% Analysis Date = 04/15/00 Pct Recovery = 108% Analysis Date = 04/12/00 Pct Recovery = 108% Analysis Date = 04/12/00 Pct Recovery = 108% Analysis Date = 04/09/00 Pct Recovery = 107% Analysis Date = 04/09/00 Pct Recovery = 107% Analysis Date = 04/06/00 Pct Recovery = 107% Analysis Date = 04/06/00 Pct Recovery = 107% Analysis Date = 04/03/00 Pct Recovery = 107% Analysis Date = 04/03/00 Pct Recovery = 107% Analysis Date = 03/31/00 Pct Recovery = 107% Analysis Date = 03/31/00 Pct Recovery = 107% Analysis Date = 03/28/00 Pct Recovery = 107% Analysis Date = 03/28/00 Pct Recovery = 107% Analysis Date = 03/25/00 Pct Recovery = 106% Analysis Date = 03/25/00 Pct Recovery = 106% Analysis Date = 03/22/00 Pct Recovery = 106% Analysis Date = 03/22/00 Pct Recovery = 106% Analysis Date = 03/19/00 Pct Recovery = 106% Analysis Date = 03/19/00 Pct Recovery = 106% Analysis Date = 03/16/00 Pct Recovery = 106% Analysis Date = 03/16/00 Pct Recovery = 106% Analysis Date = 03/13/00 Pct Recovery = 106% Analysis Date = 03/13/00 Pct Recovery = 106% Analysis Date = 03/10/00 Pct Recovery = 106% Analysis Date = 03/10/00 Pct Recovery = 106% Analysis Date = 03/07/00 Pct Recovery = 106% Analysis Date = 03/07/00 Pct Recovery = 106% Analysis Date = 03/04/00 Pct Recovery = 106% Analysis Date = 03/04/00 Pct Recovery = 106% Analysis Date = 03/01/00 Pct Recovery = 106% Analysis Date = 03/01/00 Pct Recovery = 106% Analysis Date = 02/27/00 Pct Recovery = 106% Analysis Date = 02/27/00 Pct Recovery = 106% Analysis Date = 02/24/00 Pct Recovery = 106% Analysis Date = 02/24/00 Pct Recovery = 106% Analysis Date = 02/22/00 Pct Recovery = 107% Analysis Date = 02/22/00 Pct Recovery = 107% Analysis Date = 02/19/00 Pct Recovery = 107% Analysis Date = 02/19/00 Pct Recovery = 107% Analysis Date = 02/16/00 Pct Recovery = 107% Analysis Date = 02/16/00 Pct Recovery = 107% Analysis Date = 02/13/00 Pct Recovery = 107% Analysis Date = 02/13/00 Pct Recovery = 107% Analysis Date = 02/10/00 Pct Recovery = 107% Analysis Date = 02/10/00 Pct Recovery = 107% Analysis Date = 02/07/00 Pct Recovery = 108% Analysis Date = 02/07/00 Pct Recovery = 108% Analysis Date = 02/04/00 Pct Recovery = 108% Analysis Date = 02/04/00 Pct Recovery = 108% Analysis Date = 02/01/00 Pct Recovery = 108% Analysis Date = 02/01/00 Pct Recovery = 108% Analysis Date = 01/29/00 Pct Recovery = 108% Analysis Date = 01/29/00 Pct Recovery = 108% Analysis Date = 01/26/00 Pct Recovery = 108% Analysis Date = 01/26/00 Pct Recovery = 108% Analysis Date = 01/23/00 Pct Recovery = 109% Analysis Date = 01/23/00 Pct Recovery = 109% Analysis Date = 01/20/00 Pct Recovery = 109% Analysis Date = 01/20/00 Pct Recovery = 109% Analysis Date = 01/17/00 Pct Recovery = 109% Analysis Date = 01/17/00 Pct Recovery = 109% Analysis Date = 01/14/00 Pct Recovery = 109% Analysis Date = 01/14/00 Pct Recovery = 109% Analysis Date = 01/11/00 Pct Recovery = 109% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
TRICHLOROETHYLENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 21 105% 8% 105% 5%
Total 21 105% 8% 105% 5%

Sample Statistics
TRICHLOROETHYLENE

Characteristic N % % Basis
Plotted 21 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 21 .  
False Negatives 0 0% 0 out of 21
Not Spiked 15 .  
False Positives 0 0% 0 out of 15

BQS OBSP Determination:
TRICHLOROFLUOROMETHANE
METHOD: 4054 , TESTIDCODE: 34488GCM66
Open Data Set

Analysis Date = 07/09/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 122% Analysis Date = 06/07/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 124% Analysis Date = 05/12/03 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 149% Analysis Date = 08/06/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 140% Analysis Date = 05/09/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 135% Analysis Date = 02/22/02 SpikeMix = Absolute 091701: 20 µl Pct Recovery = 93% Analysis Date = 06/21/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 114% Analysis Date = 03/16/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 131% Analysis Date = 01/11/02 SpikeMix = Absolute 091701: 8 µl Pct Recovery = 124% Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 109% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 97% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 127% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 133% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 121% Analysis Date = 07/08/03 Pct Recovery = 131% Analysis Date = 07/02/03 Pct Recovery = 131% Analysis Date = 07/02/03 Pct Recovery = 131% Analysis Date = 06/26/03 Pct Recovery = 131% Analysis Date = 06/26/03 Pct Recovery = 131% Analysis Date = 06/20/03 Pct Recovery = 131% Analysis Date = 06/20/03 Pct Recovery = 131% Analysis Date = 06/14/03 Pct Recovery = 131% Analysis Date = 06/14/03 Pct Recovery = 131% Analysis Date = 06/08/03 Pct Recovery = 131% Analysis Date = 06/08/03 Pct Recovery = 131% Analysis Date = 06/02/03 Pct Recovery = 131% Analysis Date = 06/02/03 Pct Recovery = 131% Analysis Date = 05/26/03 Pct Recovery = 131% Analysis Date = 05/26/03 Pct Recovery = 131% Analysis Date = 05/20/03 Pct Recovery = 131% Analysis Date = 05/20/03 Pct Recovery = 131% Analysis Date = 05/14/03 Pct Recovery = 132% Analysis Date = 05/14/03 Pct Recovery = 132% Analysis Date = 05/08/03 Pct Recovery = 132% Analysis Date = 05/08/03 Pct Recovery = 132% Analysis Date = 05/02/03 Pct Recovery = 132% Analysis Date = 05/02/03 Pct Recovery = 132% Analysis Date = 04/26/03 Pct Recovery = 132% Analysis Date = 04/26/03 Pct Recovery = 132% Analysis Date = 04/19/03 Pct Recovery = 132% Analysis Date = 04/19/03 Pct Recovery = 132% Analysis Date = 04/13/03 Pct Recovery = 132% Analysis Date = 04/13/03 Pct Recovery = 132% Analysis Date = 04/07/03 Pct Recovery = 132% Analysis Date = 04/07/03 Pct Recovery = 132% Analysis Date = 04/01/03 Pct Recovery = 132% Analysis Date = 04/01/03 Pct Recovery = 132% Analysis Date = 03/26/03 Pct Recovery = 132% Analysis Date = 03/26/03 Pct Recovery = 132% Analysis Date = 03/20/03 Pct Recovery = 132% Analysis Date = 03/20/03 Pct Recovery = 132% Analysis Date = 03/14/03 Pct Recovery = 132% Analysis Date = 03/14/03 Pct Recovery = 132% Analysis Date = 03/07/03 Pct Recovery = 132% Analysis Date = 03/07/03 Pct Recovery = 132% Analysis Date = 03/01/03 Pct Recovery = 132% Analysis Date = 03/01/03 Pct Recovery = 132% Analysis Date = 02/23/03 Pct Recovery = 132% Analysis Date = 02/23/03 Pct Recovery = 132% Analysis Date = 02/17/03 Pct Recovery = 132% Analysis Date = 02/17/03 Pct Recovery = 132% Analysis Date = 02/11/03 Pct Recovery = 132% Analysis Date = 02/11/03 Pct Recovery = 132% Analysis Date = 02/05/03 Pct Recovery = 132% Analysis Date = 02/05/03 Pct Recovery = 132% Analysis Date = 01/29/03 Pct Recovery = 132% Analysis Date = 01/29/03 Pct Recovery = 132% Analysis Date = 01/23/03 Pct Recovery = 132% Analysis Date = 01/23/03 Pct Recovery = 132% Analysis Date = 01/17/03 Pct Recovery = 132% Analysis Date = 01/17/03 Pct Recovery = 132% Analysis Date = 01/11/03 Pct Recovery = 132% Analysis Date = 01/11/03 Pct Recovery = 132% Analysis Date = 01/05/03 Pct Recovery = 133% Analysis Date = 01/05/03 Pct Recovery = 133% Analysis Date = 12/30/02 Pct Recovery = 133% Analysis Date = 12/30/02 Pct Recovery = 133% Analysis Date = 12/23/02 Pct Recovery = 133% Analysis Date = 12/23/02 Pct Recovery = 133% Analysis Date = 12/17/02 Pct Recovery = 133% Analysis Date = 12/17/02 Pct Recovery = 133% Analysis Date = 12/11/02 Pct Recovery = 133% Analysis Date = 12/11/02 Pct Recovery = 133% Analysis Date = 12/05/02 Pct Recovery = 133% Analysis Date = 12/05/02 Pct Recovery = 133% Analysis Date = 11/29/02 Pct Recovery = 133% Analysis Date = 11/29/02 Pct Recovery = 133% Analysis Date = 11/23/02 Pct Recovery = 133% Analysis Date = 11/23/02 Pct Recovery = 133% Analysis Date = 11/17/02 Pct Recovery = 133% Analysis Date = 11/17/02 Pct Recovery = 133% Analysis Date = 11/10/02 Pct Recovery = 133% Analysis Date = 11/10/02 Pct Recovery = 133% Analysis Date = 11/04/02 Pct Recovery = 133% Analysis Date = 11/04/02 Pct Recovery = 133% Analysis Date = 10/29/02 Pct Recovery = 133% Analysis Date = 10/29/02 Pct Recovery = 133% Analysis Date = 10/23/02 Pct Recovery = 133% Analysis Date = 10/23/02 Pct Recovery = 133% Analysis Date = 10/17/02 Pct Recovery = 133% Analysis Date = 10/17/02 Pct Recovery = 133% Analysis Date = 10/11/02 Pct Recovery = 133% Analysis Date = 10/11/02 Pct Recovery = 133% Analysis Date = 10/04/02 Pct Recovery = 133% Analysis Date = 10/04/02 Pct Recovery = 133% Analysis Date = 09/28/02 Pct Recovery = 133% Analysis Date = 09/28/02 Pct Recovery = 133% Analysis Date = 09/22/02 Pct Recovery = 133% Analysis Date = 09/22/02 Pct Recovery = 133% Analysis Date = 09/16/02 Pct Recovery = 133% Analysis Date = 09/16/02 Pct Recovery = 133% Analysis Date = 09/10/02 Pct Recovery = 133% Analysis Date = 09/10/02 Pct Recovery = 133% Analysis Date = 09/04/02 Pct Recovery = 133% Analysis Date = 09/04/02 Pct Recovery = 133% Analysis Date = 08/29/02 Pct Recovery = 134% Analysis Date = 08/29/02 Pct Recovery = 134% Analysis Date = 08/22/02 Pct Recovery = 134% Analysis Date = 08/22/02 Pct Recovery = 134% Analysis Date = 08/16/02 Pct Recovery = 134% Analysis Date = 08/16/02 Pct Recovery = 134% Analysis Date = 08/10/02 Pct Recovery = 134% Analysis Date = 08/10/02 Pct Recovery = 134% Analysis Date = 08/04/02 Pct Recovery = 134% Analysis Date = 08/04/02 Pct Recovery = 134% Analysis Date = 07/29/02 Pct Recovery = 133% Analysis Date = 07/29/02 Pct Recovery = 133% Analysis Date = 07/23/02 Pct Recovery = 132% Analysis Date = 07/23/02 Pct Recovery = 132% Analysis Date = 07/16/02 Pct Recovery = 132% Analysis Date = 07/16/02 Pct Recovery = 132% Analysis Date = 07/10/02 Pct Recovery = 131% Analysis Date = 07/10/02 Pct Recovery = 131% Analysis Date = 07/04/02 Pct Recovery = 130% Analysis Date = 07/04/02 Pct Recovery = 130% Analysis Date = 06/28/02 Pct Recovery = 130% Analysis Date = 06/28/02 Pct Recovery = 130% Analysis Date = 06/22/02 Pct Recovery = 129% Analysis Date = 06/22/02 Pct Recovery = 129% Analysis Date = 06/16/02 Pct Recovery = 128% Analysis Date = 06/16/02 Pct Recovery = 128% Analysis Date = 06/09/02 Pct Recovery = 128% Analysis Date = 06/09/02 Pct Recovery = 128% Analysis Date = 06/03/02 Pct Recovery = 127% Analysis Date = 06/03/02 Pct Recovery = 127% Analysis Date = 05/28/02 Pct Recovery = 126% Analysis Date = 05/28/02 Pct Recovery = 126% Analysis Date = 05/22/02 Pct Recovery = 126% Analysis Date = 05/22/02 Pct Recovery = 126% Analysis Date = 05/16/02 Pct Recovery = 125% Analysis Date = 05/16/02 Pct Recovery = 125% Analysis Date = 05/10/02 Pct Recovery = 125% Analysis Date = 05/10/02 Pct Recovery = 125% Analysis Date = 05/04/02 Pct Recovery = 124% Analysis Date = 05/04/02 Pct Recovery = 124% Analysis Date = 04/27/02 Pct Recovery = 123% Analysis Date = 04/27/02 Pct Recovery = 123% Analysis Date = 04/21/02 Pct Recovery = 123% Analysis Date = 04/21/02 Pct Recovery = 123% Analysis Date = 04/15/02 Pct Recovery = 122% Analysis Date = 04/15/02 Pct Recovery = 122% Analysis Date = 04/09/02 Pct Recovery = 122% Analysis Date = 04/09/02 Pct Recovery = 122% Analysis Date = 04/03/02 Pct Recovery = 121% Analysis Date = 04/03/02 Pct Recovery = 121% Analysis Date = 03/28/02 Pct Recovery = 121% Analysis Date = 03/28/02 Pct Recovery = 121% Analysis Date = 03/21/02 Pct Recovery = 120% Analysis Date = 03/21/02 Pct Recovery = 120% Analysis Date = 03/15/02 Pct Recovery = 119% Analysis Date = 03/15/02 Pct Recovery = 119% Analysis Date = 03/09/02 Pct Recovery = 119% Analysis Date = 03/09/02 Pct Recovery = 119% Analysis Date = 03/03/02 Pct Recovery = 118% Analysis Date = 03/03/02 Pct Recovery = 118% Analysis Date = 02/25/02 Pct Recovery = 118% Analysis Date = 02/25/02 Pct Recovery = 118% Analysis Date = 02/19/02 Pct Recovery = 117% Analysis Date = 02/19/02 Pct Recovery = 117% Analysis Date = 02/13/02 Pct Recovery = 117% Analysis Date = 02/13/02 Pct Recovery = 117% Analysis Date = 02/06/02 Pct Recovery = 117% Analysis Date = 02/06/02 Pct Recovery = 117% Analysis Date = 01/31/02 Pct Recovery = 116% Analysis Date = 01/31/02 Pct Recovery = 116% Analysis Date = 01/25/02 Pct Recovery = 116% Analysis Date = 01/25/02 Pct Recovery = 116% Analysis Date = 01/19/02 Pct Recovery = 116% Analysis Date = 01/19/02 Pct Recovery = 116% Analysis Date = 01/13/02 Pct Recovery = 116% Analysis Date = 01/13/02 Pct Recovery = 116% Analysis Date = 01/07/02 Pct Recovery = 115% Analysis Date = 01/07/02 Pct Recovery = 115% Analysis Date = 12/31/01 Pct Recovery = 115% Analysis Date = 12/31/01 Pct Recovery = 115% Analysis Date = 12/25/01 Pct Recovery = 115% Analysis Date = 12/25/01 Pct Recovery = 115% Analysis Date = 12/19/01 Pct Recovery = 115% Analysis Date = 12/19/01 Pct Recovery = 115% Analysis Date = 12/13/01 Pct Recovery = 115% Analysis Date = 12/13/01 Pct Recovery = 115% Analysis Date = 12/07/01 Pct Recovery = 115% Analysis Date = 12/07/01 Pct Recovery = 115% Analysis Date = 12/01/01 Pct Recovery = 115% Analysis Date = 12/01/01 Pct Recovery = 115% Analysis Date = 11/24/01 Pct Recovery = 115% Analysis Date = 11/24/01 Pct Recovery = 115% Analysis Date = 11/18/01 Pct Recovery = 114% Analysis Date = 11/18/01 Pct Recovery = 114% Analysis Date = 11/12/01 Pct Recovery = 114% Analysis Date = 11/12/01 Pct Recovery = 114% Analysis Date = 11/06/01 Pct Recovery = 114% Analysis Date = 11/06/01 Pct Recovery = 114% Analysis Date = 10/31/01 Pct Recovery = 114% Analysis Date = 10/31/01 Pct Recovery = 114% Analysis Date = 10/25/01 Pct Recovery = 114% Analysis Date = 10/25/01 Pct Recovery = 114% Analysis Date = 10/19/01 Pct Recovery = 114% Analysis Date = 10/19/01 Pct Recovery = 114% Analysis Date = 10/12/01 Pct Recovery = 114% Analysis Date = 10/12/01 Pct Recovery = 114% Analysis Date = 10/06/01 Pct Recovery = 114% Analysis Date = 10/06/01 Pct Recovery = 114% Analysis Date = 09/30/01 Pct Recovery = 114% Analysis Date = 09/30/01 Pct Recovery = 114% Analysis Date = 09/24/01 Pct Recovery = 114% Analysis Date = 09/24/01 Pct Recovery = 114% Analysis Date = 09/18/01 Pct Recovery = 113% Analysis Date = 09/18/01 Pct Recovery = 113% Analysis Date = 09/12/01 Pct Recovery = 113% Analysis Date = 09/12/01 Pct Recovery = 113% Analysis Date = 09/05/01 Pct Recovery = 113% Analysis Date = 09/05/01 Pct Recovery = 113% Analysis Date = 08/30/01 Pct Recovery = 113% Analysis Date = 08/30/01 Pct Recovery = 113% Analysis Date = 08/24/01 Pct Recovery = 113% Analysis Date = 08/24/01 Pct Recovery = 113% Analysis Date = 08/18/01 Pct Recovery = 113% Analysis Date = 08/18/01 Pct Recovery = 113% Analysis Date = 08/12/01 Pct Recovery = 113% Analysis Date = 08/12/01 Pct Recovery = 113% Analysis Date = 08/06/01 Pct Recovery = 113% Analysis Date = 08/06/01 Pct Recovery = 113% Analysis Date = 07/30/01 Pct Recovery = 113% Analysis Date = 07/30/01 Pct Recovery = 113% Analysis Date = 07/24/01 Pct Recovery = 112% Analysis Date = 07/24/01 Pct Recovery = 112% Analysis Date = 07/18/01 Pct Recovery = 112% Analysis Date = 07/18/01 Pct Recovery = 112% Analysis Date = 07/12/01 Pct Recovery = 112% Analysis Date = 07/12/01 Pct Recovery = 112% Analysis Date = 07/06/01 Pct Recovery = 112% Analysis Date = 07/06/01 Pct Recovery = 112% Analysis Date = 06/30/01 Pct Recovery = 112% Analysis Date = 06/30/01 Pct Recovery = 112% Analysis Date = 06/24/01 Pct Recovery = 112% Analysis Date = 06/24/01 Pct Recovery = 112% Analysis Date = 06/17/01 Pct Recovery = 112% Analysis Date = 06/17/01 Pct Recovery = 112% Analysis Date = 06/11/01 Pct Recovery = 112% Analysis Date = 06/11/01 Pct Recovery = 112% Analysis Date = 06/05/01 Pct Recovery = 112% Analysis Date = 06/05/01 Pct Recovery = 112% Analysis Date = 05/30/01 Pct Recovery = 111% Analysis Date = 05/30/01 Pct Recovery = 111% Analysis Date = 05/24/01 Pct Recovery = 111% Analysis Date = 05/24/01 Pct Recovery = 111% Analysis Date = 05/18/01 Pct Recovery = 111% Analysis Date = 05/18/01 Pct Recovery = 111% Analysis Date = 05/11/01 Pct Recovery = 111% Analysis Date = 05/11/01 Pct Recovery = 111% Analysis Date = 05/05/01 Pct Recovery = 111% Analysis Date = 05/05/01 Pct Recovery = 111% Analysis Date = 04/29/01 Pct Recovery = 111% Analysis Date = 04/29/01 Pct Recovery = 111% Analysis Date = 04/23/01 Pct Recovery = 111% Analysis Date = 04/23/01 Pct Recovery = 111% Analysis Date = 04/17/01 Pct Recovery = 111% Analysis Date = 04/17/01 Pct Recovery = 111% Analysis Date = 04/11/01 Pct Recovery = 111% Analysis Date = 04/11/01 Pct Recovery = 111% Analysis Date = 04/05/01 Pct Recovery = 110% Analysis Date = 04/05/01 Pct Recovery = 110% Analysis Date = 03/29/01 Pct Recovery = 110% Analysis Date = 03/29/01 Pct Recovery = 110% Analysis Date = 03/23/01 Pct Recovery = 110% Analysis Date = 03/23/01 Pct Recovery = 110% Analysis Date = 03/17/01 Pct Recovery = 110% Analysis Date = 03/17/01 Pct Recovery = 110% Analysis Date = 03/11/01 Pct Recovery = 110% Analysis Date = 03/11/01 Pct Recovery = 110% Analysis Date = 03/05/01 Pct Recovery = 110% Analysis Date = 03/05/01 Pct Recovery = 110% Analysis Date = 02/27/01 Pct Recovery = 110% Analysis Date = 02/27/01 Pct Recovery = 110% Analysis Date = 02/20/01 Pct Recovery = 110% Analysis Date = 02/20/01 Pct Recovery = 110% Analysis Date = 02/14/01 Pct Recovery = 110% Analysis Date = 02/14/01 Pct Recovery = 110% Analysis Date = 02/08/01 Pct Recovery = 109% Analysis Date = 02/08/01 Pct Recovery = 109% Analysis Date = 02/02/01 Pct Recovery = 109% Analysis Date = 02/02/01 Pct Recovery = 109% Analysis Date = 01/27/01 Pct Recovery = 109% Analysis Date = 01/27/01 Pct Recovery = 109% Analysis Date = 01/21/01 Pct Recovery = 109% Analysis Date = 01/21/01 Pct Recovery = 109% Analysis Date = 01/14/01 Pct Recovery = 109% Analysis Date = 01/14/01 Pct Recovery = 109% Analysis Date = 01/08/01 Pct Recovery = 109% Analysis Date = 01/08/01 Pct Recovery = 109% Analysis Date = 01/02/01 Pct Recovery = 109% Analysis Date = 01/02/01 Pct Recovery = 109% Analysis Date = 12/27/00 Pct Recovery = 109% Analysis Date = 12/27/00 Pct Recovery = 109% Analysis Date = 12/21/00 Pct Recovery = 109% Analysis Date = 12/21/00 Pct Recovery = 109% Analysis Date = 12/15/00 Pct Recovery = 108% Analysis Date = 12/15/00 Pct Recovery = 108% Analysis Date = 12/09/00 Pct Recovery = 108% Analysis Date = 12/09/00 Pct Recovery = 108% Analysis Date = 12/02/00 Pct Recovery = 108% Analysis Date = 12/02/00 Pct Recovery = 108% Analysis Date = 11/26/00 Pct Recovery = 108% Analysis Date = 11/26/00 Pct Recovery = 108% Analysis Date = 11/20/00 Pct Recovery = 108% Analysis Date = 11/20/00 Pct Recovery = 108% Analysis Date = 11/14/00 Pct Recovery = 108% Analysis Date = 11/14/00 Pct Recovery = 108% Analysis Date = 11/08/00 Pct Recovery = 108% Analysis Date = 11/08/00 Pct Recovery = 108% Analysis Date = 11/02/00 Pct Recovery = 109% Analysis Date = 11/02/00 Pct Recovery = 109% Analysis Date = 10/26/00 Pct Recovery = 109% Analysis Date = 10/26/00 Pct Recovery = 109% Analysis Date = 10/20/00 Pct Recovery = 110% Analysis Date = 10/20/00 Pct Recovery = 110% Analysis Date = 10/14/00 Pct Recovery = 110% Analysis Date = 10/14/00 Pct Recovery = 110% Analysis Date = 10/08/00 Pct Recovery = 110% Analysis Date = 10/08/00 Pct Recovery = 110% Analysis Date = 10/02/00 Pct Recovery = 111% Analysis Date = 10/02/00 Pct Recovery = 111% Analysis Date = 09/26/00 Pct Recovery = 111% Analysis Date = 09/26/00 Pct Recovery = 111% Analysis Date = 09/20/00 Pct Recovery = 112% Analysis Date = 09/20/00 Pct Recovery = 112% Analysis Date = 09/13/00 Pct Recovery = 112% Analysis Date = 09/13/00 Pct Recovery = 112% Analysis Date = 09/07/00 Pct Recovery = 112% Analysis Date = 09/07/00 Pct Recovery = 112% Analysis Date = 09/01/00 Pct Recovery = 113% Analysis Date = 09/01/00 Pct Recovery = 113% Analysis Date = 08/26/00 Pct Recovery = 113% Analysis Date = 08/26/00 Pct Recovery = 113% Analysis Date = 08/20/00 Pct Recovery = 114% Analysis Date = 08/20/00 Pct Recovery = 114% Analysis Date = 08/14/00 Pct Recovery = 114% Analysis Date = 08/14/00 Pct Recovery = 114% Analysis Date = 08/07/00 Pct Recovery = 114% Analysis Date = 08/07/00 Pct Recovery = 114% Analysis Date = 08/01/00 Pct Recovery = 115% Analysis Date = 08/01/00 Pct Recovery = 115% Analysis Date = 07/26/00 Pct Recovery = 115% Analysis Date = 07/26/00 Pct Recovery = 115% Analysis Date = 07/20/00 Pct Recovery = 116% Analysis Date = 07/20/00 Pct Recovery = 116% Analysis Date = 07/14/00 Pct Recovery = 116% Analysis Date = 07/14/00 Pct Recovery = 116% Analysis Date = 07/08/00 Pct Recovery = 117% Analysis Date = 07/08/00 Pct Recovery = 117% Analysis Date = 07/01/00 Pct Recovery = 117% Analysis Date = 07/01/00 Pct Recovery = 117% Analysis Date = 06/25/00 Pct Recovery = 118% Analysis Date = 06/25/00 Pct Recovery = 118% Analysis Date = 06/19/00 Pct Recovery = 118% Analysis Date = 06/19/00 Pct Recovery = 118% Analysis Date = 06/13/00 Pct Recovery = 119% Analysis Date = 06/13/00 Pct Recovery = 119% Analysis Date = 06/07/00 Pct Recovery = 119% Analysis Date = 06/07/00 Pct Recovery = 119% Analysis Date = 06/01/00 Pct Recovery = 120% Analysis Date = 06/01/00 Pct Recovery = 120% Analysis Date = 05/26/00 Pct Recovery = 120% Analysis Date = 05/26/00 Pct Recovery = 120% Analysis Date = 05/19/00 Pct Recovery = 120% Analysis Date = 05/19/00 Pct Recovery = 120% Analysis Date = 05/13/00 Pct Recovery = 121% Analysis Date = 05/13/00 Pct Recovery = 121% Analysis Date = 05/07/00 Pct Recovery = 121% Analysis Date = 05/07/00 Pct Recovery = 121% Analysis Date = 05/01/00 Pct Recovery = 122% Analysis Date = 05/01/00 Pct Recovery = 122% Analysis Date = 04/25/00 Pct Recovery = 122% Analysis Date = 04/25/00 Pct Recovery = 122% Analysis Date = 04/19/00 Pct Recovery = 123% Analysis Date = 04/19/00 Pct Recovery = 123% Analysis Date = 04/12/00 Pct Recovery = 123% Analysis Date = 04/12/00 Pct Recovery = 123% Analysis Date = 04/06/00 Pct Recovery = 124% Analysis Date = 04/06/00 Pct Recovery = 124% Analysis Date = 03/31/00 Pct Recovery = 124% Analysis Date = 03/31/00 Pct Recovery = 124% Analysis Date = 03/25/00 Pct Recovery = 125% Analysis Date = 03/25/00 Pct Recovery = 125% Analysis Date = 03/19/00 Pct Recovery = 126% Analysis Date = 03/19/00 Pct Recovery = 126% Analysis Date = 03/13/00 Pct Recovery = 126% Analysis Date = 03/13/00 Pct Recovery = 126% Analysis Date = 03/06/00 Pct Recovery = 127% Analysis Date = 03/06/00 Pct Recovery = 127% Analysis Date = 02/29/00 Pct Recovery = 127% Analysis Date = 02/29/00 Pct Recovery = 127% Analysis Date = 02/23/00 Pct Recovery = 128% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
TRICHLOROFLUOROMETHANE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 14 123% 16% 124% 14%
Total 14 123% 16% 124% 14%

Sample Statistics
TRICHLOROFLUOROMETHANE

Characteristic N % % Basis
Plotted 14 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 14 .  
False Negatives 0 0% 0 out of 14
Not Spiked 22 .  
False Positives 0 0% 0 out of 22

BQS OBSP Determination:
VINYL CHLORIDE
METHOD: 4054 , TESTIDCODE: 39175GCM66
Open Data Set

Analysis Date = 11/15/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 104% Analysis Date = 08/16/00 SpikeMix = NSI 053100-01: 25 µl Pct Recovery = 101% Analysis Date = 06/15/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 112% Analysis Date = 04/27/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 128% Analysis Date = 02/23/00 SpikeMix = NSI 121699: 20 µl Pct Recovery = 118% Analysis Date = 11/15/00 Pct Recovery = 104% Analysis Date = 11/13/00 Pct Recovery = 104% Analysis Date = 11/13/00 Pct Recovery = 104% Analysis Date = 11/12/00 Pct Recovery = 104% Analysis Date = 11/12/00 Pct Recovery = 104% Analysis Date = 11/11/00 Pct Recovery = 104% Analysis Date = 11/11/00 Pct Recovery = 104% Analysis Date = 11/10/00 Pct Recovery = 103% Analysis Date = 11/10/00 Pct Recovery = 103% Analysis Date = 11/08/00 Pct Recovery = 103% Analysis Date = 11/08/00 Pct Recovery = 103% Analysis Date = 11/07/00 Pct Recovery = 103% Analysis Date = 11/07/00 Pct Recovery = 103% Analysis Date = 11/06/00 Pct Recovery = 103% Analysis Date = 11/06/00 Pct Recovery = 103% Analysis Date = 11/04/00 Pct Recovery = 103% Analysis Date = 11/04/00 Pct Recovery = 103% Analysis Date = 11/03/00 Pct Recovery = 103% Analysis Date = 11/03/00 Pct Recovery = 103% Analysis Date = 11/02/00 Pct Recovery = 103% Analysis Date = 11/02/00 Pct Recovery = 103% Analysis Date = 10/31/00 Pct Recovery = 103% Analysis Date = 10/31/00 Pct Recovery = 103% Analysis Date = 10/30/00 Pct Recovery = 103% Analysis Date = 10/30/00 Pct Recovery = 103% Analysis Date = 10/29/00 Pct Recovery = 103% Analysis Date = 10/29/00 Pct Recovery = 103% Analysis Date = 10/27/00 Pct Recovery = 103% Analysis Date = 10/27/00 Pct Recovery = 103% Analysis Date = 10/26/00 Pct Recovery = 103% Analysis Date = 10/26/00 Pct Recovery = 103% Analysis Date = 10/25/00 Pct Recovery = 103% Analysis Date = 10/25/00 Pct Recovery = 103% Analysis Date = 10/23/00 Pct Recovery = 103% Analysis Date = 10/23/00 Pct Recovery = 103% Analysis Date = 10/22/00 Pct Recovery = 103% Analysis Date = 10/22/00 Pct Recovery = 103% Analysis Date = 10/21/00 Pct Recovery = 103% Analysis Date = 10/21/00 Pct Recovery = 103% Analysis Date = 10/19/00 Pct Recovery = 103% Analysis Date = 10/19/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/18/00 Pct Recovery = 103% Analysis Date = 10/17/00 Pct Recovery = 103% Analysis Date = 10/17/00 Pct Recovery = 103% Analysis Date = 10/15/00 Pct Recovery = 103% Analysis Date = 10/15/00 Pct Recovery = 103% Analysis Date = 10/14/00 Pct Recovery = 103% Analysis Date = 10/14/00 Pct Recovery = 103% Analysis Date = 10/13/00 Pct Recovery = 103% Analysis Date = 10/13/00 Pct Recovery = 103% Analysis Date = 10/11/00 Pct Recovery = 103% Analysis Date = 10/11/00 Pct Recovery = 103% Analysis Date = 10/10/00 Pct Recovery = 103% Analysis Date = 10/10/00 Pct Recovery = 103% Analysis Date = 10/09/00 Pct Recovery = 103% Analysis Date = 10/09/00 Pct Recovery = 103% Analysis Date = 10/07/00 Pct Recovery = 102% Analysis Date = 10/07/00 Pct Recovery = 102% Analysis Date = 10/06/00 Pct Recovery = 102% Analysis Date = 10/06/00 Pct Recovery = 102% Analysis Date = 10/05/00 Pct Recovery = 102% Analysis Date = 10/05/00 Pct Recovery = 102% Analysis Date = 10/03/00 Pct Recovery = 102% Analysis Date = 10/03/00 Pct Recovery = 102% Analysis Date = 10/02/00 Pct Recovery = 102% Analysis Date = 10/02/00 Pct Recovery = 102% Analysis Date = 10/01/00 Pct Recovery = 102% Analysis Date = 10/01/00 Pct Recovery = 102% Analysis Date = 09/29/00 Pct Recovery = 102% Analysis Date = 09/29/00 Pct Recovery = 102% Analysis Date = 09/28/00 Pct Recovery = 102% Analysis Date = 09/28/00 Pct Recovery = 102% Analysis Date = 09/27/00 Pct Recovery = 102% Analysis Date = 09/27/00 Pct Recovery = 102% Analysis Date = 09/25/00 Pct Recovery = 102% Analysis Date = 09/25/00 Pct Recovery = 102% Analysis Date = 09/24/00 Pct Recovery = 102% Analysis Date = 09/24/00 Pct Recovery = 102% Analysis Date = 09/23/00 Pct Recovery = 102% Analysis Date = 09/23/00 Pct Recovery = 102% Analysis Date = 09/21/00 Pct Recovery = 102% Analysis Date = 09/21/00 Pct Recovery = 102% Analysis Date = 09/20/00 Pct Recovery = 102% Analysis Date = 09/20/00 Pct Recovery = 102% Analysis Date = 09/19/00 Pct Recovery = 102% Analysis Date = 09/19/00 Pct Recovery = 102% Analysis Date = 09/17/00 Pct Recovery = 102% Analysis Date = 09/17/00 Pct Recovery = 102% Analysis Date = 09/16/00 Pct Recovery = 102% Analysis Date = 09/16/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/15/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/13/00 Pct Recovery = 102% Analysis Date = 09/12/00 Pct Recovery = 102% Analysis Date = 09/12/00 Pct Recovery = 102% Analysis Date = 09/11/00 Pct Recovery = 102% Analysis Date = 09/11/00 Pct Recovery = 102% Analysis Date = 09/09/00 Pct Recovery = 102% Analysis Date = 09/09/00 Pct Recovery = 102% Analysis Date = 09/08/00 Pct Recovery = 102% Analysis Date = 09/08/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/07/00 Pct Recovery = 102% Analysis Date = 09/05/00 Pct Recovery = 102% Analysis Date = 09/05/00 Pct Recovery = 102% Analysis Date = 09/04/00 Pct Recovery = 101% Analysis Date = 09/04/00 Pct Recovery = 101% Analysis Date = 09/03/00 Pct Recovery = 101% Analysis Date = 09/03/00 Pct Recovery = 101% Analysis Date = 09/01/00 Pct Recovery = 101% Analysis Date = 09/01/00 Pct Recovery = 101% Analysis Date = 08/31/00 Pct Recovery = 101% Analysis Date = 08/31/00 Pct Recovery = 101% Analysis Date = 08/30/00 Pct Recovery = 101% Analysis Date = 08/30/00 Pct Recovery = 101% Analysis Date = 08/28/00 Pct Recovery = 101% Analysis Date = 08/28/00 Pct Recovery = 101% Analysis Date = 08/27/00 Pct Recovery = 101% Analysis Date = 08/27/00 Pct Recovery = 101% Analysis Date = 08/26/00 Pct Recovery = 101% Analysis Date = 08/26/00 Pct Recovery = 101% Analysis Date = 08/24/00 Pct Recovery = 101% Analysis Date = 08/24/00 Pct Recovery = 101% Analysis Date = 08/23/00 Pct Recovery = 101% Analysis Date = 08/23/00 Pct Recovery = 101% Analysis Date = 08/22/00 Pct Recovery = 101% Analysis Date = 08/22/00 Pct Recovery = 101% Analysis Date = 08/20/00 Pct Recovery = 101% Analysis Date = 08/20/00 Pct Recovery = 101% Analysis Date = 08/19/00 Pct Recovery = 101% Analysis Date = 08/19/00 Pct Recovery = 101% Analysis Date = 08/18/00 Pct Recovery = 101% Analysis Date = 08/18/00 Pct Recovery = 101% Analysis Date = 08/17/00 Pct Recovery = 101% Analysis Date = 08/17/00 Pct Recovery = 101% Analysis Date = 08/15/00 Pct Recovery = 101% Analysis Date = 08/15/00 Pct Recovery = 101% Analysis Date = 08/14/00 Pct Recovery = 101% Analysis Date = 08/14/00 Pct Recovery = 101% Analysis Date = 08/13/00 Pct Recovery = 102% Analysis Date = 08/13/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/11/00 Pct Recovery = 102% Analysis Date = 08/10/00 Pct Recovery = 102% Analysis Date = 08/10/00 Pct Recovery = 102% Analysis Date = 08/09/00 Pct Recovery = 102% Analysis Date = 08/09/00 Pct Recovery = 102% Analysis Date = 08/07/00 Pct Recovery = 102% Analysis Date = 08/07/00 Pct Recovery = 102% Analysis Date = 08/06/00 Pct Recovery = 103% Analysis Date = 08/06/00 Pct Recovery = 103% Analysis Date = 08/05/00 Pct Recovery = 103% Analysis Date = 08/05/00 Pct Recovery = 103% Analysis Date = 08/03/00 Pct Recovery = 103% Analysis Date = 08/03/00 Pct Recovery = 103% Analysis Date = 08/02/00 Pct Recovery = 103% Analysis Date = 08/02/00 Pct Recovery = 103% Analysis Date = 08/01/00 Pct Recovery = 104% Analysis Date = 08/01/00 Pct Recovery = 104% Analysis Date = 07/30/00 Pct Recovery = 104% Analysis Date = 07/30/00 Pct Recovery = 104% Analysis Date = 07/29/00 Pct Recovery = 104% Analysis Date = 07/29/00 Pct Recovery = 104% Analysis Date = 07/28/00 Pct Recovery = 104% Analysis Date = 07/28/00 Pct Recovery = 104% Analysis Date = 07/26/00 Pct Recovery = 105% Analysis Date = 07/26/00 Pct Recovery = 105% Analysis Date = 07/25/00 Pct Recovery = 105% Analysis Date = 07/25/00 Pct Recovery = 105% Analysis Date = 07/24/00 Pct Recovery = 105% Analysis Date = 07/24/00 Pct Recovery = 105% Analysis Date = 07/22/00 Pct Recovery = 105% Analysis Date = 07/22/00 Pct Recovery = 105% Analysis Date = 07/21/00 Pct Recovery = 106% Analysis Date = 07/21/00 Pct Recovery = 106% Analysis Date = 07/20/00 Pct Recovery = 106% Analysis Date = 07/20/00 Pct Recovery = 106% Analysis Date = 07/18/00 Pct Recovery = 106% Analysis Date = 07/18/00 Pct Recovery = 106% Analysis Date = 07/17/00 Pct Recovery = 106% Analysis Date = 07/17/00 Pct Recovery = 106% Analysis Date = 07/16/00 Pct Recovery = 106% Analysis Date = 07/16/00 Pct Recovery = 106% Analysis Date = 07/14/00 Pct Recovery = 107% Analysis Date = 07/14/00 Pct Recovery = 107% Analysis Date = 07/13/00 Pct Recovery = 107% Analysis Date = 07/13/00 Pct Recovery = 107% Analysis Date = 07/12/00 Pct Recovery = 107% Analysis Date = 07/12/00 Pct Recovery = 107% Analysis Date = 07/10/00 Pct Recovery = 107% Analysis Date = 07/10/00 Pct Recovery = 107% Analysis Date = 07/09/00 Pct Recovery = 108% Analysis Date = 07/09/00 Pct Recovery = 108% Analysis Date = 07/08/00 Pct Recovery = 108% Analysis Date = 07/08/00 Pct Recovery = 108% Analysis Date = 07/06/00 Pct Recovery = 108% Analysis Date = 07/06/00 Pct Recovery = 108% Analysis Date = 07/05/00 Pct Recovery = 108% Analysis Date = 07/05/00 Pct Recovery = 108% Analysis Date = 07/04/00 Pct Recovery = 109% Analysis Date = 07/04/00 Pct Recovery = 109% Analysis Date = 07/02/00 Pct Recovery = 109% Analysis Date = 07/02/00 Pct Recovery = 109% Analysis Date = 07/01/00 Pct Recovery = 109% Analysis Date = 07/01/00 Pct Recovery = 109% Analysis Date = 06/30/00 Pct Recovery = 109% Analysis Date = 06/30/00 Pct Recovery = 109% Analysis Date = 06/28/00 Pct Recovery = 110% Analysis Date = 06/28/00 Pct Recovery = 110% Analysis Date = 06/27/00 Pct Recovery = 110% Analysis Date = 06/27/00 Pct Recovery = 110% Analysis Date = 06/26/00 Pct Recovery = 110% Analysis Date = 06/26/00 Pct Recovery = 110% Analysis Date = 06/24/00 Pct Recovery = 110% Analysis Date = 06/24/00 Pct Recovery = 110% Analysis Date = 06/23/00 Pct Recovery = 110% Analysis Date = 06/23/00 Pct Recovery = 110% Analysis Date = 06/22/00 Pct Recovery = 111% Analysis Date = 06/22/00 Pct Recovery = 111% Analysis Date = 06/20/00 Pct Recovery = 111% Analysis Date = 06/20/00 Pct Recovery = 111% Analysis Date = 06/19/00 Pct Recovery = 111% Analysis Date = 06/19/00 Pct Recovery = 111% Analysis Date = 06/18/00 Pct Recovery = 111% Analysis Date = 06/18/00 Pct Recovery = 111% Analysis Date = 06/16/00 Pct Recovery = 112% Analysis Date = 06/16/00 Pct Recovery = 112% Analysis Date = 06/15/00 Pct Recovery = 112% Analysis Date = 06/15/00 Pct Recovery = 112% Analysis Date = 06/14/00 Pct Recovery = 112% Analysis Date = 06/14/00 Pct Recovery = 112% Analysis Date = 06/12/00 Pct Recovery = 113% Analysis Date = 06/12/00 Pct Recovery = 113% Analysis Date = 06/11/00 Pct Recovery = 113% Analysis Date = 06/11/00 Pct Recovery = 113% Analysis Date = 06/10/00 Pct Recovery = 114% Analysis Date = 06/10/00 Pct Recovery = 114% Analysis Date = 06/08/00 Pct Recovery = 114% Analysis Date = 06/08/00 Pct Recovery = 114% Analysis Date = 06/07/00 Pct Recovery = 114% Analysis Date = 06/07/00 Pct Recovery = 114% Analysis Date = 06/06/00 Pct Recovery = 115% Analysis Date = 06/06/00 Pct Recovery = 115% Analysis Date = 06/04/00 Pct Recovery = 115% Analysis Date = 06/04/00 Pct Recovery = 115% Analysis Date = 06/03/00 Pct Recovery = 116% Analysis Date = 06/03/00 Pct Recovery = 116% Analysis Date = 06/02/00 Pct Recovery = 116% Analysis Date = 06/02/00 Pct Recovery = 116% Analysis Date = 05/31/00 Pct Recovery = 117% Analysis Date = 05/31/00 Pct Recovery = 117% Analysis Date = 05/30/00 Pct Recovery = 117% Analysis Date = 05/30/00 Pct Recovery = 117% Analysis Date = 05/29/00 Pct Recovery = 117% Analysis Date = 05/29/00 Pct Recovery = 117% Analysis Date = 05/27/00 Pct Recovery = 118% Analysis Date = 05/27/00 Pct Recovery = 118% Analysis Date = 05/26/00 Pct Recovery = 118% Analysis Date = 05/26/00 Pct Recovery = 118% Analysis Date = 05/25/00 Pct Recovery = 119% Analysis Date = 05/25/00 Pct Recovery = 119% Analysis Date = 05/24/00 Pct Recovery = 119% Analysis Date = 05/24/00 Pct Recovery = 119% Analysis Date = 05/22/00 Pct Recovery = 120% Analysis Date = 05/22/00 Pct Recovery = 120% Analysis Date = 05/21/00 Pct Recovery = 120% Analysis Date = 05/21/00 Pct Recovery = 120% Analysis Date = 05/20/00 Pct Recovery = 121% Analysis Date = 05/20/00 Pct Recovery = 121% Analysis Date = 05/18/00 Pct Recovery = 121% Analysis Date = 05/18/00 Pct Recovery = 121% Analysis Date = 05/17/00 Pct Recovery = 121% Analysis Date = 05/17/00 Pct Recovery = 121% Analysis Date = 05/16/00 Pct Recovery = 122% Analysis Date = 05/16/00 Pct Recovery = 122% Analysis Date = 05/14/00 Pct Recovery = 122% Analysis Date = 05/14/00 Pct Recovery = 122% Analysis Date = 05/13/00 Pct Recovery = 123% Analysis Date = 05/13/00 Pct Recovery = 123% Analysis Date = 05/12/00 Pct Recovery = 123% Analysis Date = 05/12/00 Pct Recovery = 123% Analysis Date = 05/10/00 Pct Recovery = 124% Analysis Date = 05/10/00 Pct Recovery = 124% Analysis Date = 05/09/00 Pct Recovery = 124% Analysis Date = 05/09/00 Pct Recovery = 124% Analysis Date = 05/08/00 Pct Recovery = 124% Analysis Date = 05/08/00 Pct Recovery = 124% Analysis Date = 05/06/00 Pct Recovery = 125% Analysis Date = 05/06/00 Pct Recovery = 125% Analysis Date = 05/05/00 Pct Recovery = 125% Analysis Date = 05/05/00 Pct Recovery = 125% Analysis Date = 05/04/00 Pct Recovery = 126% Analysis Date = 05/04/00 Pct Recovery = 126% Analysis Date = 05/02/00 Pct Recovery = 126% Analysis Date = 05/02/00 Pct Recovery = 126% Analysis Date = 05/01/00 Pct Recovery = 127% Analysis Date = 05/01/00 Pct Recovery = 127% Analysis Date = 04/30/00 Pct Recovery = 127% Analysis Date = 04/30/00 Pct Recovery = 127% Analysis Date = 04/28/00 Pct Recovery = 127% Analysis Date = 04/28/00 Pct Recovery = 127% Analysis Date = 04/27/00 Pct Recovery = 128% Analysis Date = 04/27/00 Pct Recovery = 128% Analysis Date = 04/26/00 Pct Recovery = 128% Analysis Date = 04/26/00 Pct Recovery = 128% Analysis Date = 04/24/00 Pct Recovery = 127% Analysis Date = 04/24/00 Pct Recovery = 127% Analysis Date = 04/23/00 Pct Recovery = 127% Analysis Date = 04/23/00 Pct Recovery = 127% Analysis Date = 04/22/00 Pct Recovery = 127% Analysis Date = 04/22/00 Pct Recovery = 127% Analysis Date = 04/20/00 Pct Recovery = 127% Analysis Date = 04/20/00 Pct Recovery = 127% Analysis Date = 04/19/00 Pct Recovery = 127% Analysis Date = 04/19/00 Pct Recovery = 127% Analysis Date = 04/18/00 Pct Recovery = 126% Analysis Date = 04/18/00 Pct Recovery = 126% Analysis Date = 04/16/00 Pct Recovery = 126% Analysis Date = 04/16/00 Pct Recovery = 126% Analysis Date = 04/15/00 Pct Recovery = 126% Analysis Date = 04/15/00 Pct Recovery = 126% Analysis Date = 04/14/00 Pct Recovery = 126% Analysis Date = 04/14/00 Pct Recovery = 126% Analysis Date = 04/12/00 Pct Recovery = 126% Analysis Date = 04/12/00 Pct Recovery = 126% Analysis Date = 04/11/00 Pct Recovery = 125% Analysis Date = 04/11/00 Pct Recovery = 125% Analysis Date = 04/10/00 Pct Recovery = 125% Analysis Date = 04/10/00 Pct Recovery = 125% Analysis Date = 04/08/00 Pct Recovery = 125% Analysis Date = 04/08/00 Pct Recovery = 125% Analysis Date = 04/07/00 Pct Recovery = 125% Analysis Date = 04/07/00 Pct Recovery = 125% Analysis Date = 04/06/00 Pct Recovery = 125% Analysis Date = 04/06/00 Pct Recovery = 125% Analysis Date = 04/04/00 Pct Recovery = 124% Analysis Date = 04/04/00 Pct Recovery = 124% Analysis Date = 04/03/00 Pct Recovery = 124% Analysis Date = 04/03/00 Pct Recovery = 124% Analysis Date = 04/02/00 Pct Recovery = 124% Analysis Date = 04/02/00 Pct Recovery = 124% Analysis Date = 03/31/00 Pct Recovery = 124% Analysis Date = 03/31/00 Pct Recovery = 124% Analysis Date = 03/30/00 Pct Recovery = 124% Analysis Date = 03/30/00 Pct Recovery = 124% Analysis Date = 03/29/00 Pct Recovery = 123% Analysis Date = 03/29/00 Pct Recovery = 123% Analysis Date = 03/27/00 Pct Recovery = 123% Analysis Date = 03/27/00 Pct Recovery = 123% Analysis Date = 03/26/00 Pct Recovery = 123% Analysis Date = 03/26/00 Pct Recovery = 123% Analysis Date = 03/25/00 Pct Recovery = 123% Analysis Date = 03/25/00 Pct Recovery = 123% Analysis Date = 03/23/00 Pct Recovery = 123% Analysis Date = 03/23/00 Pct Recovery = 123% Analysis Date = 03/22/00 Pct Recovery = 122% Analysis Date = 03/22/00 Pct Recovery = 122% Analysis Date = 03/21/00 Pct Recovery = 122% Analysis Date = 03/21/00 Pct Recovery = 122% Analysis Date = 03/19/00 Pct Recovery = 122% Analysis Date = 03/19/00 Pct Recovery = 122% Analysis Date = 03/18/00 Pct Recovery = 122% Analysis Date = 03/18/00 Pct Recovery = 122% Analysis Date = 03/17/00 Pct Recovery = 122% Analysis Date = 03/17/00 Pct Recovery = 122% Analysis Date = 03/15/00 Pct Recovery = 121% Analysis Date = 03/15/00 Pct Recovery = 121% Analysis Date = 03/14/00 Pct Recovery = 121% Analysis Date = 03/14/00 Pct Recovery = 121% Analysis Date = 03/13/00 Pct Recovery = 121% Analysis Date = 03/13/00 Pct Recovery = 121% Analysis Date = 03/11/00 Pct Recovery = 121% Analysis Date = 03/11/00 Pct Recovery = 121% Analysis Date = 03/10/00 Pct Recovery = 120% Analysis Date = 03/10/00 Pct Recovery = 120% Analysis Date = 03/09/00 Pct Recovery = 120% Analysis Date = 03/09/00 Pct Recovery = 120% Analysis Date = 03/07/00 Pct Recovery = 120% Analysis Date = 03/07/00 Pct Recovery = 120% Analysis Date = 03/06/00 Pct Recovery = 120% Analysis Date = 03/06/00 Pct Recovery = 120% Analysis Date = 03/05/00 Pct Recovery = 120% Analysis Date = 03/05/00 Pct Recovery = 120% Analysis Date = 03/03/00 Pct Recovery = 119% Analysis Date = 03/03/00 Pct Recovery = 119% Analysis Date = 03/02/00 Pct Recovery = 119% Analysis Date = 03/02/00 Pct Recovery = 119% Analysis Date = 03/01/00 Pct Recovery = 119% Analysis Date = 03/01/00 Pct Recovery = 119% Analysis Date = 02/28/00 Pct Recovery = 119% Analysis Date = 02/28/00 Pct Recovery = 119% Analysis Date = 02/27/00 Pct Recovery = 119% Analysis Date = 02/27/00 Pct Recovery = 119% Analysis Date = 02/26/00 Pct Recovery = 118% Analysis Date = 02/26/00 Pct Recovery = 118% Analysis Date = 02/25/00 Pct Recovery = 118% Analysis Date = 02/25/00 Pct Recovery = 118% Analysis Date = 02/23/00 Pct Recovery = 118% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
VINYL CHLORIDE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 5 112% 11% 112% 11%
Total 5 112% 11% 112% 11%

Sample Statistics
VINYL CHLORIDE

Characteristic N % % Basis
Plotted 5 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 5 .  
False Negatives 0 0% 0 out of 5
Not Spiked 31 .  
False Positives 0 0% 0 out of 31