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