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