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