BQS OBSP Determination:
CAFFEINE
METHOD: 2080 , TESTIDCODE: 5030500021
Open Data Set

Analysis Date = 06/15/10 SpikeMix = Restek A069729: 50 µl Pct Recovery = 93% Analysis Date = 08/17/10 SpikeMix = Restek A069729: 50 µl Pct Recovery = 97% Analysis Date = 07/20/10 SpikeMix = Spex Organics T1090819006: 50 µl Pct Recovery = 90% Analysis Date = 09/08/10 SpikeMix = Spex Organics T1090819006: 50 µl Pct Recovery = 96% Analysis Date = 06/15/11 SpikeMix = Accu 210061380: 80 µl Pct Recovery = 79% Analysis Date = 08/25/11 SpikeMix = Accu 210061380: 80 µl Pct Recovery = 105% Analysis Date = 08/03/11 SpikeMix = Supelco LB77166: 80 µl Pct Recovery = 97% Analysis Date = 05/12/11 SpikeMix = Supelco LB77166: 80 µl Pct Recovery = 104% Analysis Date = 12/14/10 SpikeMix = Supelco LB77166: 80 µl Pct Recovery = 85% Analysis Date = 09/18/08 SpikeMix = Accu B7070261: 50 µl Pct Recovery = 99% Analysis Date = 04/07/08 SpikeMix = Accu B7070261: 50 µl Pct Recovery = 116% Analysis Date = 02/19/08 SpikeMix = Supelco LB50305: 50 µl Pct Recovery = 104% Analysis Date = 06/04/08 SpikeMix = ChemService 385-69B: 50 µl Pct Recovery = 115% Analysis Date = 04/23/08 SpikeMix = ChemService 385-69B: 50 µl Pct Recovery = 91% Analysis Date = 05/14/08 SpikeMix = Accu B7070261: 50 µl Pct Recovery = 103% Analysis Date = 03/20/08 SpikeMix = Supelco LB50305: 50 µl Pct Recovery = 96% Analysis Date = 07/15/08 SpikeMix = Accu B7070261: 50 µl Pct Recovery = 127% Analysis Date = 08/25/08 SpikeMix = ChemService 385-69B: 50 µl Pct Recovery = 109% Analysis Date = 10/02/08 SpikeMix = Accu B7070261: 50 µl Pct Recovery = 123% Analysis Date = 07/16/08 SpikeMix = ChemService 385-69B: 50 µl Pct Recovery = 109% Analysis Date = 05/28/08 SpikeMix = Accu B7070261: 50 µl Pct Recovery = 96% Analysis Date = 08/06/08 SpikeMix = Accu B7070261: 50 µl Pct Recovery = 86% Analysis Date = 09/24/10 SpikeMix = Restek A069729: 25 µl Pct Recovery = 79% Analysis Date = 09/24/10 SpikeMix = Spex Organics T1090819006: 25 µl Pct Recovery = 73% Analysis Date = 05/06/10 SpikeMix = Restek A069729: 25 µl Pct Recovery = 90% Analysis Date = 05/25/10 SpikeMix = Spex Organics T1090819006: 25 µl Pct Recovery = 102% Analysis Date = 12/14/09 SpikeMix = Spex Organics T1090819006: 25 µl Pct Recovery = 100% Analysis Date = 04/08/10 SpikeMix = Spex Organics T1090819006: 25 µl Pct Recovery = 99% Analysis Date = 11/12/09 SpikeMix = Restek A069729: 25 µl Pct Recovery = 96% Analysis Date = 02/08/10 SpikeMix = Restek A069729: 25 µl Pct Recovery = 98% Analysis Date = 01/04/11 SpikeMix = Accu 210061380: 50 µl Pct Recovery = 125% Analysis Date = 04/13/11 SpikeMix = Supelco LB77166: 50 µl Pct Recovery = 99% Analysis Date = 09/16/11 SpikeMix = Accu 210061380: 50 µl Pct Recovery = 109% Analysis Date = 07/05/11 SpikeMix = Supelco LB77166: 50 µl Pct Recovery = 100% Analysis Date = 03/23/11 SpikeMix = Supelco LB77166: 50 µl Pct Recovery = 91% Analysis Date = 11/15/10 SpikeMix = Accu 210061380: 50 µl Pct Recovery = 100% Analysis Date = 04/26/11 SpikeMix = Accu 210061380: 50 µl Pct Recovery = 109% Analysis Date = 04/13/09 SpikeMix = Accu B8080253: 40 µl Pct Recovery = 95% Analysis Date = 09/25/09 SpikeMix = Supelco LB60728: 40 µl Pct Recovery = 104% Analysis Date = 08/19/09 SpikeMix = NWQL LCL11SP078A: 100 µl Pct Recovery = 139% Analysis Date = 03/02/09 SpikeMix = Supelco LB60728: 25 µl Pct Recovery = 76% Analysis Date = 05/28/09 SpikeMix = NWQL LCL11SP078A: 80 µl Pct Recovery = 88% Analysis Date = 06/23/10 SpikeMix = NWQL LCL11SP081A: 50 µl Pct Recovery = 145% Analysis Date = 09/10/10 SpikeMix = NWQL LCL11SP081A: 50 µl Pct Recovery = 157% Analysis Date = 04/08/10 SpikeMix = NWQL LCL11SP081A: 50 µl Pct Recovery = 98% Analysis Date = 06/02/10 SpikeMix = NWQL LCL11SP081A: 50 µl Pct Recovery = 90% Analysis Date = 07/21/10 SpikeMix = NWQL LCL11SP081A: 50 µl Pct Recovery = 104% Analysis Date = 06/25/09 SpikeMix = NWQL LCL11SP078A: 80 µl Pct Recovery = 101% Analysis Date = 12/05/08 SpikeMix = Supelco LB60728: 25 µl Pct Recovery = 69% Analysis Date = 07/27/09 SpikeMix = NWQL LCL11SP078A: 80 µl Pct Recovery = 125% Analysis Date = 04/13/09 SpikeMix = Accu B8080253: 25 µl Pct Recovery = 91% Analysis Date = 07/15/09 SpikeMix = Supelco LB60728: 25 µl Pct Recovery = 108% Analysis Date = 11/13/08 SpikeMix = Accu B8080253: 25 µl Pct Recovery = 69% Analysis Date = 08/28/09 SpikeMix = Accu B8080253: 25 µl Pct Recovery = 76% Analysis Date = 04/29/09 SpikeMix = Supelco LB60728: 25 µl Pct Recovery = 78% Analysis Date = 09/16/11 Pct Recovery = 100% Analysis Date = 09/09/11 Pct Recovery = 100% Analysis Date = 09/09/11 Pct Recovery = 100% Analysis Date = 09/02/11 Pct Recovery = 100% Analysis Date = 09/02/11 Pct Recovery = 100% Analysis Date = 08/27/11 Pct Recovery = 100% Analysis Date = 08/27/11 Pct Recovery = 100% Analysis Date = 08/20/11 Pct Recovery = 100% Analysis Date = 08/20/11 Pct Recovery = 100% Analysis Date = 08/14/11 Pct Recovery = 100% Analysis Date = 08/14/11 Pct Recovery = 100% Analysis Date = 08/07/11 Pct Recovery = 100% Analysis Date = 08/07/11 Pct Recovery = 100% Analysis Date = 08/01/11 Pct Recovery = 100% Analysis Date = 08/01/11 Pct Recovery = 100% Analysis Date = 07/25/11 Pct Recovery = 100% Analysis Date = 07/25/11 Pct Recovery = 100% Analysis Date = 07/19/11 Pct Recovery = 100% Analysis Date = 07/19/11 Pct Recovery = 100% Analysis Date = 07/12/11 Pct Recovery = 100% Analysis Date = 07/12/11 Pct Recovery = 100% Analysis Date = 07/06/11 Pct Recovery = 100% Analysis Date = 07/06/11 Pct Recovery = 100% Analysis Date = 06/29/11 Pct Recovery = 100% Analysis Date = 06/29/11 Pct Recovery = 100% Analysis Date = 06/23/11 Pct Recovery = 100% Analysis Date = 06/23/11 Pct Recovery = 100% Analysis Date = 06/16/11 Pct Recovery = 100% Analysis Date = 06/16/11 Pct Recovery = 100% Analysis Date = 06/10/11 Pct Recovery = 100% Analysis Date = 06/10/11 Pct Recovery = 100% Analysis Date = 06/03/11 Pct Recovery = 100% Analysis Date = 06/03/11 Pct Recovery = 100% Analysis Date = 05/28/11 Pct Recovery = 100% Analysis Date = 05/28/11 Pct Recovery = 100% Analysis Date = 05/21/11 Pct Recovery = 100% Analysis Date = 05/21/11 Pct Recovery = 100% Analysis Date = 05/15/11 Pct Recovery = 100% Analysis Date = 05/15/11 Pct Recovery = 100% Analysis Date = 05/08/11 Pct Recovery = 100% Analysis Date = 05/08/11 Pct Recovery = 100% Analysis Date = 05/01/11 Pct Recovery = 100% Analysis Date = 05/01/11 Pct Recovery = 100% Analysis Date = 04/25/11 Pct Recovery = 100% Analysis Date = 04/25/11 Pct Recovery = 100% Analysis Date = 04/18/11 Pct Recovery = 100% Analysis Date = 04/18/11 Pct Recovery = 100% Analysis Date = 04/12/11 Pct Recovery = 100% Analysis Date = 04/12/11 Pct Recovery = 100% Analysis Date = 04/05/11 Pct Recovery = 100% Analysis Date = 04/05/11 Pct Recovery = 100% Analysis Date = 03/30/11 Pct Recovery = 100% Analysis Date = 03/30/11 Pct Recovery = 100% Analysis Date = 03/23/11 Pct Recovery = 100% Analysis Date = 03/23/11 Pct Recovery = 100% Analysis Date = 03/17/11 Pct Recovery = 100% Analysis Date = 03/17/11 Pct Recovery = 100% Analysis Date = 03/10/11 Pct Recovery = 100% Analysis Date = 03/10/11 Pct Recovery = 100% Analysis Date = 03/04/11 Pct Recovery = 100% Analysis Date = 03/04/11 Pct Recovery = 100% Analysis Date = 02/25/11 Pct Recovery = 100% Analysis Date = 02/25/11 Pct Recovery = 100% Analysis Date = 02/19/11 Pct Recovery = 100% Analysis Date = 02/19/11 Pct Recovery = 100% Analysis Date = 02/12/11 Pct Recovery = 100% Analysis Date = 02/12/11 Pct Recovery = 100% Analysis Date = 02/06/11 Pct Recovery = 100% Analysis Date = 02/06/11 Pct Recovery = 100% Analysis Date = 01/30/11 Pct Recovery = 100% Analysis Date = 01/30/11 Pct Recovery = 100% Analysis Date = 01/24/11 Pct Recovery = 100% Analysis Date = 01/24/11 Pct Recovery = 100% Analysis Date = 01/17/11 Pct Recovery = 100% Analysis Date = 01/17/11 Pct Recovery = 100% Analysis Date = 01/11/11 Pct Recovery = 100% Analysis Date = 01/11/11 Pct Recovery = 100% Analysis Date = 01/04/11 Pct Recovery = 100% Analysis Date = 01/04/11 Pct Recovery = 100% Analysis Date = 12/29/10 Pct Recovery = 100% Analysis Date = 12/29/10 Pct Recovery = 100% Analysis Date = 12/22/10 Pct Recovery = 100% Analysis Date = 12/22/10 Pct Recovery = 100% Analysis Date = 12/15/10 Pct Recovery = 100% Analysis Date = 12/15/10 Pct Recovery = 100% Analysis Date = 12/09/10 Pct Recovery = 100% Analysis Date = 12/09/10 Pct Recovery = 100% Analysis Date = 12/02/10 Pct Recovery = 100% Analysis Date = 12/02/10 Pct Recovery = 100% Analysis Date = 11/26/10 Pct Recovery = 100% Analysis Date = 11/26/10 Pct Recovery = 100% Analysis Date = 11/19/10 Pct Recovery = 100% Analysis Date = 11/19/10 Pct Recovery = 100% Analysis Date = 11/13/10 Pct Recovery = 100% Analysis Date = 11/13/10 Pct Recovery = 100% Analysis Date = 11/06/10 Pct Recovery = 100% Analysis Date = 11/06/10 Pct Recovery = 100% Analysis Date = 10/31/10 Pct Recovery = 100% Analysis Date = 10/31/10 Pct Recovery = 100% Analysis Date = 10/24/10 Pct Recovery = 100% Analysis Date = 10/24/10 Pct Recovery = 100% Analysis Date = 10/18/10 Pct Recovery = 101% Analysis Date = 10/18/10 Pct Recovery = 101% Analysis Date = 10/11/10 Pct Recovery = 101% Analysis Date = 10/11/10 Pct Recovery = 101% Analysis Date = 10/05/10 Pct Recovery = 101% Analysis Date = 10/05/10 Pct Recovery = 101% Analysis Date = 09/28/10 Pct Recovery = 101% Analysis Date = 09/28/10 Pct Recovery = 101% Analysis Date = 09/22/10 Pct Recovery = 101% Analysis Date = 09/22/10 Pct Recovery = 101% Analysis Date = 09/15/10 Pct Recovery = 101% Analysis Date = 09/15/10 Pct Recovery = 101% Analysis Date = 09/09/10 Pct Recovery = 101% Analysis Date = 09/09/10 Pct Recovery = 101% Analysis Date = 09/02/10 Pct Recovery = 101% Analysis Date = 09/02/10 Pct Recovery = 101% Analysis Date = 08/27/10 Pct Recovery = 101% Analysis Date = 08/27/10 Pct Recovery = 101% Analysis Date = 08/20/10 Pct Recovery = 101% Analysis Date = 08/20/10 Pct Recovery = 101% Analysis Date = 08/13/10 Pct Recovery = 101% Analysis Date = 08/13/10 Pct Recovery = 101% Analysis Date = 08/07/10 Pct Recovery = 101% Analysis Date = 08/07/10 Pct Recovery = 101% Analysis Date = 07/31/10 Pct Recovery = 101% Analysis Date = 07/31/10 Pct Recovery = 101% Analysis Date = 07/25/10 Pct Recovery = 101% Analysis Date = 07/25/10 Pct Recovery = 101% Analysis Date = 07/18/10 Pct Recovery = 101% Analysis Date = 07/18/10 Pct Recovery = 101% Analysis Date = 07/12/10 Pct Recovery = 101% Analysis Date = 07/12/10 Pct Recovery = 101% Analysis Date = 07/05/10 Pct Recovery = 101% Analysis Date = 07/05/10 Pct Recovery = 101% Analysis Date = 06/29/10 Pct Recovery = 101% Analysis Date = 06/29/10 Pct Recovery = 101% Analysis Date = 06/22/10 Pct Recovery = 101% Analysis Date = 06/22/10 Pct Recovery = 101% Analysis Date = 06/16/10 Pct Recovery = 101% Analysis Date = 06/16/10 Pct Recovery = 101% Analysis Date = 06/09/10 Pct Recovery = 101% Analysis Date = 06/09/10 Pct Recovery = 101% Analysis Date = 06/03/10 Pct Recovery = 101% Analysis Date = 06/03/10 Pct Recovery = 101% Analysis Date = 05/27/10 Pct Recovery = 101% Analysis Date = 05/27/10 Pct Recovery = 101% Analysis Date = 05/21/10 Pct Recovery = 101% Analysis Date = 05/21/10 Pct Recovery = 101% Analysis Date = 05/14/10 Pct Recovery = 101% Analysis Date = 05/14/10 Pct Recovery = 101% Analysis Date = 05/08/10 Pct Recovery = 101% Analysis Date = 05/08/10 Pct Recovery = 101% Analysis Date = 05/01/10 Pct Recovery = 101% Analysis Date = 05/01/10 Pct Recovery = 101% Analysis Date = 04/25/10 Pct Recovery = 101% Analysis Date = 04/25/10 Pct Recovery = 101% Analysis Date = 04/18/10 Pct Recovery = 101% Analysis Date = 04/18/10 Pct Recovery = 101% Analysis Date = 04/12/10 Pct Recovery = 101% Analysis Date = 04/12/10 Pct Recovery = 101% Analysis Date = 04/05/10 Pct Recovery = 101% Analysis Date = 04/05/10 Pct Recovery = 101% Analysis Date = 03/29/10 Pct Recovery = 101% Analysis Date = 03/29/10 Pct Recovery = 101% Analysis Date = 03/23/10 Pct Recovery = 101% Analysis Date = 03/23/10 Pct Recovery = 101% Analysis Date = 03/16/10 Pct Recovery = 101% Analysis Date = 03/16/10 Pct Recovery = 101% Analysis Date = 03/10/10 Pct Recovery = 101% Analysis Date = 03/10/10 Pct Recovery = 101% Analysis Date = 03/03/10 Pct Recovery = 101% Analysis Date = 03/03/10 Pct Recovery = 101% Analysis Date = 02/25/10 Pct Recovery = 101% Analysis Date = 02/25/10 Pct Recovery = 101% Analysis Date = 02/18/10 Pct Recovery = 101% Analysis Date = 02/18/10 Pct Recovery = 101% Analysis Date = 02/12/10 Pct Recovery = 101% Analysis Date = 02/12/10 Pct Recovery = 101% Analysis Date = 02/05/10 Pct Recovery = 101% Analysis Date = 02/05/10 Pct Recovery = 101% Analysis Date = 01/30/10 Pct Recovery = 101% Analysis Date = 01/30/10 Pct Recovery = 101% Analysis Date = 01/23/10 Pct Recovery = 101% Analysis Date = 01/23/10 Pct Recovery = 101% Analysis Date = 01/17/10 Pct Recovery = 101% Analysis Date = 01/17/10 Pct Recovery = 101% Analysis Date = 01/10/10 Pct Recovery = 101% Analysis Date = 01/10/10 Pct Recovery = 101% Analysis Date = 01/04/10 Pct Recovery = 101% Analysis Date = 01/04/10 Pct Recovery = 101% Analysis Date = 12/28/09 Pct Recovery = 101% Analysis Date = 12/28/09 Pct Recovery = 101% Analysis Date = 12/22/09 Pct Recovery = 101% Analysis Date = 12/22/09 Pct Recovery = 101% Analysis Date = 12/15/09 Pct Recovery = 101% Analysis Date = 12/15/09 Pct Recovery = 101% Analysis Date = 12/09/09 Pct Recovery = 100% Analysis Date = 12/09/09 Pct Recovery = 100% Analysis Date = 12/02/09 Pct Recovery = 100% Analysis Date = 12/02/09 Pct Recovery = 100% Analysis Date = 11/25/09 Pct Recovery = 100% Analysis Date = 11/25/09 Pct Recovery = 100% Analysis Date = 11/19/09 Pct Recovery = 100% Analysis Date = 11/19/09 Pct Recovery = 100% Analysis Date = 11/12/09 Pct Recovery = 100% Analysis Date = 11/12/09 Pct Recovery = 100% Analysis Date = 11/06/09 Pct Recovery = 100% Analysis Date = 11/06/09 Pct Recovery = 100% Analysis Date = 10/30/09 Pct Recovery = 99% Analysis Date = 10/30/09 Pct Recovery = 99% Analysis Date = 10/24/09 Pct Recovery = 99% Analysis Date = 10/24/09 Pct Recovery = 99% Analysis Date = 10/17/09 Pct Recovery = 99% Analysis Date = 10/17/09 Pct Recovery = 99% Analysis Date = 10/11/09 Pct Recovery = 99% Analysis Date = 10/11/09 Pct Recovery = 99% Analysis Date = 10/04/09 Pct Recovery = 99% Analysis Date = 10/04/09 Pct Recovery = 99% Analysis Date = 09/28/09 Pct Recovery = 99% Analysis Date = 09/28/09 Pct Recovery = 99% Analysis Date = 09/21/09 Pct Recovery = 98% Analysis Date = 09/21/09 Pct Recovery = 98% Analysis Date = 09/15/09 Pct Recovery = 98% Analysis Date = 09/15/09 Pct Recovery = 98% Analysis Date = 09/08/09 Pct Recovery = 98% Analysis Date = 09/08/09 Pct Recovery = 98% Analysis Date = 09/02/09 Pct Recovery = 98% Analysis Date = 09/02/09 Pct Recovery = 98% Analysis Date = 08/26/09 Pct Recovery = 98% Analysis Date = 08/26/09 Pct Recovery = 98% Analysis Date = 08/20/09 Pct Recovery = 98% Analysis Date = 08/20/09 Pct Recovery = 98% Analysis Date = 08/13/09 Pct Recovery = 97% Analysis Date = 08/13/09 Pct Recovery = 97% Analysis Date = 08/07/09 Pct Recovery = 97% Analysis Date = 08/07/09 Pct Recovery = 97% Analysis Date = 07/31/09 Pct Recovery = 97% Analysis Date = 07/31/09 Pct Recovery = 97% Analysis Date = 07/25/09 Pct Recovery = 97% Analysis Date = 07/25/09 Pct Recovery = 97% Analysis Date = 07/18/09 Pct Recovery = 97% Analysis Date = 07/18/09 Pct Recovery = 97% Analysis Date = 07/11/09 Pct Recovery = 97% Analysis Date = 07/11/09 Pct Recovery = 97% Analysis Date = 07/05/09 Pct Recovery = 97% Analysis Date = 07/05/09 Pct Recovery = 97% Analysis Date = 06/28/09 Pct Recovery = 97% Analysis Date = 06/28/09 Pct Recovery = 97% Analysis Date = 06/22/09 Pct Recovery = 97% Analysis Date = 06/22/09 Pct Recovery = 97% Analysis Date = 06/15/09 Pct Recovery = 97% Analysis Date = 06/15/09 Pct Recovery = 97% Analysis Date = 06/09/09 Pct Recovery = 97% Analysis Date = 06/09/09 Pct Recovery = 97% Analysis Date = 06/02/09 Pct Recovery = 97% Analysis Date = 06/02/09 Pct Recovery = 97% Analysis Date = 05/27/09 Pct Recovery = 97% Analysis Date = 05/27/09 Pct Recovery = 97% Analysis Date = 05/20/09 Pct Recovery = 97% Analysis Date = 05/20/09 Pct Recovery = 97% Analysis Date = 05/14/09 Pct Recovery = 97% Analysis Date = 05/14/09 Pct Recovery = 97% Analysis Date = 05/07/09 Pct Recovery = 97% Analysis Date = 05/07/09 Pct Recovery = 97% Analysis Date = 05/01/09 Pct Recovery = 97% Analysis Date = 05/01/09 Pct Recovery = 97% Analysis Date = 04/24/09 Pct Recovery = 97% Analysis Date = 04/24/09 Pct Recovery = 97% Analysis Date = 04/18/09 Pct Recovery = 97% Analysis Date = 04/18/09 Pct Recovery = 97% Analysis Date = 04/11/09 Pct Recovery = 97% Analysis Date = 04/11/09 Pct Recovery = 97% Analysis Date = 04/05/09 Pct Recovery = 97% Analysis Date = 04/05/09 Pct Recovery = 97% Analysis Date = 03/29/09 Pct Recovery = 97% Analysis Date = 03/29/09 Pct Recovery = 97% Analysis Date = 03/23/09 Pct Recovery = 97% Analysis Date = 03/23/09 Pct Recovery = 97% Analysis Date = 03/16/09 Pct Recovery = 97% Analysis Date = 03/16/09 Pct Recovery = 97% Analysis Date = 03/09/09 Pct Recovery = 98% Analysis Date = 03/09/09 Pct Recovery = 98% Analysis Date = 03/03/09 Pct Recovery = 98% Analysis Date = 03/03/09 Pct Recovery = 98% Analysis Date = 02/24/09 Pct Recovery = 98% Analysis Date = 02/24/09 Pct Recovery = 98% Analysis Date = 02/18/09 Pct Recovery = 98% Analysis Date = 02/18/09 Pct Recovery = 98% Analysis Date = 02/11/09 Pct Recovery = 98% Analysis Date = 02/11/09 Pct Recovery = 98% Analysis Date = 02/05/09 Pct Recovery = 98% Analysis Date = 02/05/09 Pct Recovery = 98% Analysis Date = 01/29/09 Pct Recovery = 98% Analysis Date = 01/29/09 Pct Recovery = 98% Analysis Date = 01/23/09 Pct Recovery = 98% Analysis Date = 01/23/09 Pct Recovery = 98% Analysis Date = 01/16/09 Pct Recovery = 98% Analysis Date = 01/16/09 Pct Recovery = 98% Analysis Date = 01/10/09 Pct Recovery = 98% Analysis Date = 01/10/09 Pct Recovery = 98% Analysis Date = 01/03/09 Pct Recovery = 98% Analysis Date = 01/03/09 Pct Recovery = 98% Analysis Date = 12/28/08 Pct Recovery = 99% Analysis Date = 12/28/08 Pct Recovery = 99% Analysis Date = 12/21/08 Pct Recovery = 99% Analysis Date = 12/21/08 Pct Recovery = 99% Analysis Date = 12/15/08 Pct Recovery = 99% Analysis Date = 12/15/08 Pct Recovery = 99% Analysis Date = 12/08/08 Pct Recovery = 99% Analysis Date = 12/08/08 Pct Recovery = 99% Analysis Date = 12/02/08 Pct Recovery = 99% Analysis Date = 12/02/08 Pct Recovery = 99% Analysis Date = 11/25/08 Pct Recovery = 99% Analysis Date = 11/25/08 Pct Recovery = 99% Analysis Date = 11/19/08 Pct Recovery = 99% Analysis Date = 11/19/08 Pct Recovery = 99% Analysis Date = 11/12/08 Pct Recovery = 99% Analysis Date = 11/12/08 Pct Recovery = 99% Analysis Date = 11/06/08 Pct Recovery = 99% Analysis Date = 11/06/08 Pct Recovery = 99% Analysis Date = 10/30/08 Pct Recovery = 99% Analysis Date = 10/30/08 Pct Recovery = 99% Analysis Date = 10/23/08 Pct Recovery = 99% Analysis Date = 10/23/08 Pct Recovery = 99% Analysis Date = 10/17/08 Pct Recovery = 99% Analysis Date = 10/17/08 Pct Recovery = 99% Analysis Date = 10/10/08 Pct Recovery = 100% Analysis Date = 10/10/08 Pct Recovery = 100% Analysis Date = 10/04/08 Pct Recovery = 100% Analysis Date = 10/04/08 Pct Recovery = 100% Analysis Date = 09/27/08 Pct Recovery = 100% Analysis Date = 09/27/08 Pct Recovery = 100% Analysis Date = 09/21/08 Pct Recovery = 100% Analysis Date = 09/21/08 Pct Recovery = 100% Analysis Date = 09/14/08 Pct Recovery = 100% Analysis Date = 09/14/08 Pct Recovery = 100% Analysis Date = 09/08/08 Pct Recovery = 100% Analysis Date = 09/08/08 Pct Recovery = 100% Analysis Date = 09/01/08 Pct Recovery = 100% Analysis Date = 09/01/08 Pct Recovery = 100% Analysis Date = 08/26/08 Pct Recovery = 100% Analysis Date = 08/26/08 Pct Recovery = 100% Analysis Date = 08/19/08 Pct Recovery = 100% Analysis Date = 08/19/08 Pct Recovery = 100% Analysis Date = 08/13/08 Pct Recovery = 100% Analysis Date = 08/13/08 Pct Recovery = 100% Analysis Date = 08/06/08 Pct Recovery = 100% Analysis Date = 08/06/08 Pct Recovery = 100% Analysis Date = 07/31/08 Pct Recovery = 101% Analysis Date = 07/31/08 Pct Recovery = 101% Analysis Date = 07/24/08 Pct Recovery = 101% Analysis Date = 07/24/08 Pct Recovery = 101% Analysis Date = 07/18/08 Pct Recovery = 101% Analysis Date = 07/18/08 Pct Recovery = 101% Analysis Date = 07/11/08 Pct Recovery = 101% Analysis Date = 07/11/08 Pct Recovery = 101% Analysis Date = 07/05/08 Pct Recovery = 101% Analysis Date = 07/05/08 Pct Recovery = 101% Analysis Date = 06/28/08 Pct Recovery = 101% Analysis Date = 06/28/08 Pct Recovery = 101% Analysis Date = 06/21/08 Pct Recovery = 101% Analysis Date = 06/21/08 Pct Recovery = 101% Analysis Date = 06/15/08 Pct Recovery = 101% Analysis Date = 06/15/08 Pct Recovery = 101% Analysis Date = 06/08/08 Pct Recovery = 101% Analysis Date = 06/08/08 Pct Recovery = 101% Analysis Date = 06/02/08 Pct Recovery = 102% Analysis Date = 06/02/08 Pct Recovery = 102% Analysis Date = 05/26/08 Pct Recovery = 102% Analysis Date = 05/26/08 Pct Recovery = 102% Analysis Date = 05/20/08 Pct Recovery = 102% Analysis Date = 05/20/08 Pct Recovery = 102% Analysis Date = 05/13/08 Pct Recovery = 102% Analysis Date = 05/13/08 Pct Recovery = 102% Analysis Date = 05/07/08 Pct Recovery = 102% Analysis Date = 05/07/08 Pct Recovery = 102% Analysis Date = 04/30/08 Pct Recovery = 102% Analysis Date = 04/30/08 Pct Recovery = 102% Analysis Date = 04/24/08 Pct Recovery = 102% Analysis Date = 04/24/08 Pct Recovery = 102% Analysis Date = 04/17/08 Pct Recovery = 102% Analysis Date = 04/17/08 Pct Recovery = 102% Analysis Date = 04/11/08 Pct Recovery = 103% Analysis Date = 04/11/08 Pct Recovery = 103% Analysis Date = 04/04/08 Pct Recovery = 103% Analysis Date = 04/04/08 Pct Recovery = 103% Analysis Date = 03/29/08 Pct Recovery = 103% Analysis Date = 03/29/08 Pct Recovery = 103% Analysis Date = 03/22/08 Pct Recovery = 103% Analysis Date = 03/22/08 Pct Recovery = 103% Analysis Date = 03/16/08 Pct Recovery = 103% Analysis Date = 03/16/08 Pct Recovery = 103% Analysis Date = 03/09/08 Pct Recovery = 103% Analysis Date = 03/09/08 Pct Recovery = 103% Analysis Date = 03/03/08 Pct Recovery = 103% Analysis Date = 03/03/08 Pct Recovery = 103% Analysis Date = 02/25/08 Pct Recovery = 104% Analysis Date = 02/25/08 Pct Recovery = 104% Analysis Date = 02/19/08 Pct Recovery = 104% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
CAFFEINE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 8 89% 20% 84% 24%
>= Reporting Level 47 102% 17% 99% 13%
Total 55 100% 18% 99% 13%

Sample Statistics
CAFFEINE

Characteristic N % % Basis
Plotted 55 98% Spiked
Estimated Values 10 18% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 1 2% Spiked
Spiked 57 .  
False Negatives 0 0% 0 out of 56
Not Spiked 44 .  
False Positives 1 2% 1 out of 44