OBSP Determination:
1,7-DIMETHYLXANTHINE (P-XANTHINE)
METHOD: 2440 , TESTIDCODE: 67446LCM56

Analysis Date = 09/21/17 SpikeMix = Abs 072517Pharm2: 80 µl & Abs 071817Pharm: 80 µl Pct Recovery = 397% Analysis Date = 09/09/17 SpikeMix = Abs 071817Pharm: 80 µl & Abs 072517Pharm1: 80 µl Pct Recovery = 491% Analysis Date = 07/15/17 SpikeMix = Abs 060916PHARM: 80 µl & Abs 061416: 80 µl Pct Recovery = 477% Analysis Date = 09/21/17 SpikeMix = Abs 071817Pharm: 50 µl & Abs 072517Pharm1: 50 µl Pct Recovery = 384% Analysis Date = 08/26/17 SpikeMix = Abs 072517Pharm1: 50 µl & Abs 071817Pharm: 50 µl Pct Recovery = 329% Analysis Date = 08/25/17 SpikeMix = Abs 072517Pharm2: 50 µl & Abs 071817Pharm: 50 µl Pct Recovery = 370% Analysis Date = 08/11/17 SpikeMix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl Pct Recovery = 342% Analysis Date = 07/15/17 SpikeMix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl Pct Recovery = 337% Analysis Date = 10/22/17 SpikeMix = ERA 06281703: 20 µl & ERA 06281704: 20 µl Pct Recovery = 322% Analysis Date = 08/11/17 SpikeMix = Abs 060916PHARM: 20 µl & Abs 071817Pharm: 20 µl Pct Recovery = 277% Analysis Date = 02/07/17 SpikeMix = Abs 061416: 100 µl & ERA 04281603: 100 µl Pct Recovery = 155% Analysis Date = 02/07/17 SpikeMix = Abs 061416: 100 µl & ERA 04281603: 100 µl Pct Recovery = 162% Analysis Date = 11/03/16 SpikeMix = Crescent EN160610015: 100 µl & ERA 04281604: 100 µl Pct Recovery = 155% Analysis Date = 11/03/16 SpikeMix = Crescent EN160610015: 100 µl & ERA 04281604: 100 µl Pct Recovery = 148% Analysis Date = 11/09/17 SpikeMix = ERA 06281704: 50 µl & ERA 06281702: 50 µl Pct Recovery = 105% Analysis Date = 06/17/17 SpikeMix = Abs 061416: 80 µl & Abs 060916PHARM: 80 µl Pct Recovery = 186% Analysis Date = 06/08/17 SpikeMix = Abs 060916PHARM: 80 µl & Abs 061416: 80 µl Pct Recovery = 163% Analysis Date = 09/24/16 SpikeMix = Crescent EN160610015: 80 µl & Abs 061416: 80 µl Pct Recovery = 150% Analysis Date = 09/24/16 SpikeMix = Abs 061416: 80 µl & Crescent EN160610015: 80 µl Pct Recovery = 140% Analysis Date = 07/23/16 SpikeMix = Abs 061416: 80 µl & Abs 061516PHARM: 80 µl Pct Recovery = 158% Analysis Date = 07/23/16 SpikeMix = Abs 061416: 80 µl & Abs 061516PHARM: 80 µl Pct Recovery = 162% Analysis Date = 07/22/16 SpikeMix = Abs 060916PHARM: 80 µl & Abs 061416: 80 µl Pct Recovery = 173% Analysis Date = 07/22/16 SpikeMix = Abs 060916PHARM: 80 µl & Abs 061416: 80 µl Pct Recovery = 169% Analysis Date = 06/17/17 SpikeMix = ERA 04281604: 80 µl & ERA 04281603: 80 µl Pct Recovery = 179% Analysis Date = 11/18/16 SpikeMix = ERA 04281604: 80 µl & ERA 04281603: 80 µl Pct Recovery = 149% Analysis Date = 11/18/16 SpikeMix = ERA 04281603: 80 µl & ERA 04281604: 80 µl Pct Recovery = 147% Analysis Date = 04/27/16 SpikeMix = Abs 050115: 40 µl & Abs 051315: 40 µl Pct Recovery = 80% Analysis Date = 04/27/16 SpikeMix = Abs 050115: 40 µl & Abs 051315: 40 µl Pct Recovery = 69% Analysis Date = 05/11/17 SpikeMix = Abs 061416: 40 µl & ERA 04281603: 40 µl Pct Recovery = 145% Analysis Date = 12/16/16 SpikeMix = Crescent EN160610015: 40 µl & Abs 061416: 40 µl Pct Recovery = 130% Analysis Date = 12/16/16 SpikeMix = Crescent EN160610015: 40 µl & Abs 061416: 40 µl Pct Recovery = 130% Analysis Date = 09/17/16 SpikeMix = Abs 061416: 40 µl & ERA 04281603: 40 µl Pct Recovery = 130% Analysis Date = 09/17/16 SpikeMix = Abs 061416: 40 µl & ERA 04281603: 40 µl Pct Recovery = 134% Analysis Date = 08/17/16 SpikeMix = Abs 061416: 40 µl & Abs 061516PHARM: 40 µl Pct Recovery = 102% Analysis Date = 08/17/16 SpikeMix = Abs 061416: 40 µl & Abs 061516PHARM: 40 µl Pct Recovery = 111% Analysis Date = 08/16/16 SpikeMix = Abs 060916PHARM: 40 µl & Abs 061416: 40 µl Pct Recovery = 113% Analysis Date = 08/16/16 SpikeMix = Abs 060916PHARM: 40 µl & Abs 061416: 40 µl Pct Recovery = 117% Analysis Date = 06/07/17 SpikeMix = Crescent EN160610015: 40 µl & ERA 04281604: 40 µl Pct Recovery = 167% Analysis Date = 04/06/17 SpikeMix = ERA 04281604: 40 µl & ERA 04281603: 40 µl Pct Recovery = 198% Analysis Date = 04/06/17 SpikeMix = ERA 04281603: 40 µl & ERA 04281604: 40 µl Pct Recovery = 169% Analysis Date = 03/14/17 SpikeMix = Crescent EN160610015: 40 µl & ERA 04281604: 40 µl Pct Recovery = 173% Analysis Date = 03/14/17 SpikeMix = Crescent EN160610015: 40 µl & ERA 04281604: 40 µl Pct Recovery = 179% Analysis Date = 02/07/17 SpikeMix = Abs 060916PHARM: 40 µl & ERA 04281604: 40 µl Pct Recovery = 158% Analysis Date = 02/07/17 SpikeMix = Abs 060916PHARM: 40 µl & ERA 04281604: 40 µl Pct Recovery = 161% Analysis Date = 01/05/17 SpikeMix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl Pct Recovery = 188% Analysis Date = 01/05/17 SpikeMix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl Pct Recovery = 191% Analysis Date = 10/28/16 SpikeMix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl Pct Recovery = 170% Analysis Date = 10/28/16 SpikeMix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl Pct Recovery = 170% Analysis Date = 09/10/16 SpikeMix = Abs 060916PHARM: 40 µl & ERA 04281604: 40 µl Pct Recovery = 142% Analysis Date = 09/10/16 SpikeMix = Abs 060916PHARM: 40 µl & ERA 04281604: 40 µl Pct Recovery = 154% Analysis Date = 11/08/17 SpikeMix = ERA 06281704: 20 µl & Abs 072517Pharm1: 20 µl Pct Recovery = 103% Analysis Date = 11/08/17 SpikeMix = Abs 072517Pharm2: 20 µl & ERA 06281704: 20 µl Pct Recovery = 128% Analysis Date = 04/27/16 SpikeMix = ERA 0406-15-07A: 20 µl & ERA 0406-15-08: 20 µl Pct Recovery = 113% Analysis Date = 04/09/16 SpikeMix = ERA 0406-15-07A: 20 µl & ERA 0406-15-08: 20 µl Pct Recovery = 77% Analysis Date = 04/09/16 SpikeMix = Abs 051315: 10 µl & ERA 0406-15-09: 10 µl Pct Recovery = 79% Analysis Date = 04/14/17 Pct Recovery = 204% Analysis Date = 04/14/17 Pct Recovery = 204% Analysis Date = 04/11/17 Pct Recovery = 201% Analysis Date = 04/11/17 Pct Recovery = 201% Analysis Date = 04/08/17 Pct Recovery = 199% Analysis Date = 04/08/17 Pct Recovery = 199% Analysis Date = 04/05/17 Pct Recovery = 197% Analysis Date = 04/05/17 Pct Recovery = 197% Analysis Date = 04/02/17 Pct Recovery = 194% Analysis Date = 04/02/17 Pct Recovery = 194% Analysis Date = 03/31/17 Pct Recovery = 192% Analysis Date = 03/31/17 Pct Recovery = 192% Analysis Date = 03/28/17 Pct Recovery = 190% Analysis Date = 03/28/17 Pct Recovery = 190% Analysis Date = 03/25/17 Pct Recovery = 188% Analysis Date = 03/25/17 Pct Recovery = 188% Analysis Date = 03/22/17 Pct Recovery = 185% Analysis Date = 03/22/17 Pct Recovery = 185% Analysis Date = 03/19/17 Pct Recovery = 183% Analysis Date = 03/19/17 Pct Recovery = 183% Analysis Date = 03/16/17 Pct Recovery = 181% Analysis Date = 03/16/17 Pct Recovery = 181% Analysis Date = 03/13/17 Pct Recovery = 179% Analysis Date = 03/13/17 Pct Recovery = 179% Analysis Date = 03/10/17 Pct Recovery = 177% Analysis Date = 03/10/17 Pct Recovery = 177% Analysis Date = 03/07/17 Pct Recovery = 176% Analysis Date = 03/07/17 Pct Recovery = 176% Analysis Date = 03/05/17 Pct Recovery = 175% Analysis Date = 03/05/17 Pct Recovery = 175% Analysis Date = 03/02/17 Pct Recovery = 174% Analysis Date = 03/02/17 Pct Recovery = 174% Analysis Date = 02/27/17 Pct Recovery = 173% Analysis Date = 02/27/17 Pct Recovery = 173% Analysis Date = 02/24/17 Pct Recovery = 172% Analysis Date = 02/24/17 Pct Recovery = 172% Analysis Date = 02/21/17 Pct Recovery = 171% Analysis Date = 02/21/17 Pct Recovery = 171% Analysis Date = 02/18/17 Pct Recovery = 169% Analysis Date = 02/18/17 Pct Recovery = 169% Analysis Date = 02/15/17 Pct Recovery = 168% Analysis Date = 02/15/17 Pct Recovery = 168% Analysis Date = 02/12/17 Pct Recovery = 167% Analysis Date = 02/12/17 Pct Recovery = 167% Analysis Date = 02/09/17 Pct Recovery = 166% Analysis Date = 02/09/17 Pct Recovery = 166% Analysis Date = 02/06/17 Pct Recovery = 165% Analysis Date = 02/06/17 Pct Recovery = 165% Analysis Date = 02/04/17 Pct Recovery = 164% Analysis Date = 02/04/17 Pct Recovery = 164% Analysis Date = 02/01/17 Pct Recovery = 164% Analysis Date = 02/01/17 Pct Recovery = 164% Analysis Date = 01/29/17 Pct Recovery = 164% Analysis Date = 01/29/17 Pct Recovery = 164% Analysis Date = 01/26/17 Pct Recovery = 163% Analysis Date = 01/26/17 Pct Recovery = 163% Analysis Date = 01/23/17 Pct Recovery = 163% Analysis Date = 01/23/17 Pct Recovery = 163% Analysis Date = 01/20/17 Pct Recovery = 163% Analysis Date = 01/20/17 Pct Recovery = 163% Analysis Date = 01/17/17 Pct Recovery = 162% Analysis Date = 01/17/17 Pct Recovery = 162% Analysis Date = 01/14/17 Pct Recovery = 162% Analysis Date = 01/14/17 Pct Recovery = 162% Analysis Date = 01/11/17 Pct Recovery = 162% Analysis Date = 01/11/17 Pct Recovery = 162% Analysis Date = 01/09/17 Pct Recovery = 161% Analysis Date = 01/09/17 Pct Recovery = 161% Analysis Date = 01/06/17 Pct Recovery = 161% Analysis Date = 01/06/17 Pct Recovery = 161% Analysis Date = 01/03/17 Pct Recovery = 161% Analysis Date = 01/03/17 Pct Recovery = 161% Analysis Date = 12/31/16 Pct Recovery = 160% Analysis Date = 12/31/16 Pct Recovery = 160% Analysis Date = 12/28/16 Pct Recovery = 159% Analysis Date = 12/28/16 Pct Recovery = 159% Analysis Date = 12/25/16 Pct Recovery = 159% Analysis Date = 12/25/16 Pct Recovery = 159% Analysis Date = 12/22/16 Pct Recovery = 158% Analysis Date = 12/22/16 Pct Recovery = 158% Analysis Date = 12/19/16 Pct Recovery = 158% Analysis Date = 12/19/16 Pct Recovery = 158% Analysis Date = 12/16/16 Pct Recovery = 157% Analysis Date = 12/16/16 Pct Recovery = 157% Analysis Date = 12/13/16 Pct Recovery = 157% Analysis Date = 12/13/16 Pct Recovery = 157% Analysis Date = 12/11/16 Pct Recovery = 156% Analysis Date = 12/11/16 Pct Recovery = 156% Analysis Date = 12/08/16 Pct Recovery = 156% Analysis Date = 12/08/16 Pct Recovery = 156% Analysis Date = 12/05/16 Pct Recovery = 155% Analysis Date = 12/05/16 Pct Recovery = 155% Analysis Date = 12/02/16 Pct Recovery = 155% Analysis Date = 12/02/16 Pct Recovery = 155% Analysis Date = 11/29/16 Pct Recovery = 154% Analysis Date = 11/29/16 Pct Recovery = 154% Analysis Date = 11/26/16 Pct Recovery = 154% Analysis Date = 11/26/16 Pct Recovery = 154% Analysis Date = 11/23/16 Pct Recovery = 153% Analysis Date = 11/23/16 Pct Recovery = 153% Analysis Date = 11/20/16 Pct Recovery = 153% Analysis Date = 11/20/16 Pct Recovery = 153% Analysis Date = 11/17/16 Pct Recovery = 152% Analysis Date = 11/17/16 Pct Recovery = 152% Analysis Date = 11/15/16 Pct Recovery = 152% Analysis Date = 11/15/16 Pct Recovery = 152% Analysis Date = 11/12/16 Pct Recovery = 151% Analysis Date = 11/12/16 Pct Recovery = 151% Analysis Date = 11/09/16 Pct Recovery = 151% Analysis Date = 11/09/16 Pct Recovery = 151% Analysis Date = 11/06/16 Pct Recovery = 151% Analysis Date = 11/06/16 Pct Recovery = 151% Analysis Date = 11/03/16 Pct Recovery = 150% Analysis Date = 11/03/16 Pct Recovery = 150% Analysis Date = 10/31/16 Pct Recovery = 150% Analysis Date = 10/31/16 Pct Recovery = 150% Analysis Date = 10/28/16 Pct Recovery = 149% Analysis Date = 10/28/16 Pct Recovery = 149% Analysis Date = 10/25/16 Pct Recovery = 149% Analysis Date = 10/25/16 Pct Recovery = 149% Analysis Date = 10/22/16 Pct Recovery = 149% Analysis Date = 10/22/16 Pct Recovery = 149% Analysis Date = 10/19/16 Pct Recovery = 148% Analysis Date = 10/19/16 Pct Recovery = 148% Analysis Date = 10/17/16 Pct Recovery = 148% Analysis Date = 10/17/16 Pct Recovery = 148% Analysis Date = 10/14/16 Pct Recovery = 147% Analysis Date = 10/14/16 Pct Recovery = 147% Analysis Date = 10/11/16 Pct Recovery = 147% Analysis Date = 10/11/16 Pct Recovery = 147% Analysis Date = 10/08/16 Pct Recovery = 147% Analysis Date = 10/08/16 Pct Recovery = 147% Analysis Date = 10/05/16 Pct Recovery = 146% Analysis Date = 10/05/16 Pct Recovery = 146% Analysis Date = 10/02/16 Pct Recovery = 146% Analysis Date = 10/02/16 Pct Recovery = 146% Analysis Date = 09/29/16 Pct Recovery = 145% Analysis Date = 09/29/16 Pct Recovery = 145% Analysis Date = 09/26/16 Pct Recovery = 145% Analysis Date = 09/26/16 Pct Recovery = 145% Analysis Date = 09/23/16 Pct Recovery = 145% Analysis Date = 09/23/16 Pct Recovery = 145% Analysis Date = 09/21/16 Pct Recovery = 144% Analysis Date = 09/21/16 Pct Recovery = 144% Analysis Date = 09/18/16 Pct Recovery = 144% Analysis Date = 09/18/16 Pct Recovery = 144% Analysis Date = 09/15/16 Pct Recovery = 144% Analysis Date = 09/15/16 Pct Recovery = 144% Analysis Date = 09/12/16 Pct Recovery = 143% Analysis Date = 09/12/16 Pct Recovery = 143% Analysis Date = 09/09/16 Pct Recovery = 143% Analysis Date = 09/09/16 Pct Recovery = 143% Analysis Date = 09/06/16 Pct Recovery = 142% Analysis Date = 09/06/16 Pct Recovery = 142% Analysis Date = 09/03/16 Pct Recovery = 141% Analysis Date = 09/03/16 Pct Recovery = 141% Analysis Date = 08/31/16 Pct Recovery = 140% Analysis Date = 08/31/16 Pct Recovery = 140% Analysis Date = 08/28/16 Pct Recovery = 139% Analysis Date = 08/28/16 Pct Recovery = 139% Analysis Date = 08/25/16 Pct Recovery = 138% Analysis Date = 08/25/16 Pct Recovery = 138% Analysis Date = 08/23/16 Pct Recovery = 137% Analysis Date = 08/23/16 Pct Recovery = 137% Analysis Date = 08/20/16 Pct Recovery = 136% Analysis Date = 08/20/16 Pct Recovery = 136% Analysis Date = 08/17/16 Pct Recovery = 136% Analysis Date = 08/17/16 Pct Recovery = 136% Analysis Date = 08/14/16 Pct Recovery = 135% Analysis Date = 08/14/16 Pct Recovery = 135% Analysis Date = 08/11/16 Pct Recovery = 133% Analysis Date = 08/11/16 Pct Recovery = 133% Analysis Date = 08/08/16 Pct Recovery = 132% Analysis Date = 08/08/16 Pct Recovery = 132% Analysis Date = 08/05/16 Pct Recovery = 131% Analysis Date = 08/05/16 Pct Recovery = 131% Analysis Date = 08/02/16 Pct Recovery = 130% Analysis Date = 08/02/16 Pct Recovery = 130% Analysis Date = 07/30/16 Pct Recovery = 129% Analysis Date = 07/30/16 Pct Recovery = 129% Analysis Date = 07/28/16 Pct Recovery = 128% Analysis Date = 07/28/16 Pct Recovery = 128% Analysis Date = 07/25/16 Pct Recovery = 127% Analysis Date = 07/25/16 Pct Recovery = 127% Analysis Date = 07/22/16 Pct Recovery = 126% Analysis Date = 07/22/16 Pct Recovery = 126% Analysis Date = 07/19/16 Pct Recovery = 125% Analysis Date = 07/19/16 Pct Recovery = 125% Analysis Date = 07/16/16 Pct Recovery = 124% Analysis Date = 07/16/16 Pct Recovery = 124% Analysis Date = 07/13/16 Pct Recovery = 123% Analysis Date = 07/13/16 Pct Recovery = 123% Analysis Date = 07/10/16 Pct Recovery = 122% Analysis Date = 07/10/16 Pct Recovery = 122% Analysis Date = 07/07/16 Pct Recovery = 121% Analysis Date = 07/07/16 Pct Recovery = 121% Analysis Date = 07/04/16 Pct Recovery = 120% Analysis Date = 07/04/16 Pct Recovery = 120% Analysis Date = 07/01/16 Pct Recovery = 119% Analysis Date = 07/01/16 Pct Recovery = 119% Analysis Date = 06/29/16 Pct Recovery = 118% Analysis Date = 06/29/16 Pct Recovery = 118% Analysis Date = 06/26/16 Pct Recovery = 117% Analysis Date = 06/26/16 Pct Recovery = 117% Analysis Date = 06/23/16 Pct Recovery = 116% Analysis Date = 06/23/16 Pct Recovery = 116% Analysis Date = 06/20/16 Pct Recovery = 115% Analysis Date = 06/20/16 Pct Recovery = 115% Analysis Date = 06/17/16 Pct Recovery = 114% Analysis Date = 06/17/16 Pct Recovery = 114% Analysis Date = 06/14/16 Pct Recovery = 112% Analysis Date = 06/14/16 Pct Recovery = 112% Analysis Date = 06/11/16 Pct Recovery = 111% Analysis Date = 06/11/16 Pct Recovery = 111% Analysis Date = 06/08/16 Pct Recovery = 110% Analysis Date = 06/08/16 Pct Recovery = 110% Analysis Date = 06/05/16 Pct Recovery = 109% Analysis Date = 06/05/16 Pct Recovery = 109% Analysis Date = 06/03/16 Pct Recovery = 108% Analysis Date = 06/03/16 Pct Recovery = 108% Analysis Date = 05/31/16 Pct Recovery = 107% Analysis Date = 05/31/16 Pct Recovery = 107% Analysis Date = 05/28/16 Pct Recovery = 106% Analysis Date = 05/28/16 Pct Recovery = 106% Analysis Date = 05/25/16 Pct Recovery = 105% Analysis Date = 05/25/16 Pct Recovery = 105% Analysis Date = 05/22/16 Pct Recovery = 104% Analysis Date = 05/22/16 Pct Recovery = 104% Analysis Date = 05/19/16 Pct Recovery = 103% Analysis Date = 05/19/16 Pct Recovery = 103% Analysis Date = 05/16/16 Pct Recovery = 102% Analysis Date = 05/16/16 Pct Recovery = 102% Analysis Date = 05/13/16 Pct Recovery = 101% Analysis Date = 05/13/16 Pct Recovery = 101% Analysis Date = 05/10/16 Pct Recovery = 100% Analysis Date = 05/10/16 Pct Recovery = 100% Analysis Date = 05/07/16 Pct Recovery = 99% Analysis Date = 05/07/16 Pct Recovery = 99% Analysis Date = 05/05/16 Pct Recovery = 98% Analysis Date = 05/05/16 Pct Recovery = 98% Analysis Date = 05/02/16 Pct Recovery = 97% Analysis Date = 05/02/16 Pct Recovery = 97% Analysis Date = 04/29/16 Pct Recovery = 96% Analysis Date = 04/29/16 Pct Recovery = 96% Analysis Date = 04/26/16 Pct Recovery = 95% Analysis Date = 04/26/16 Pct Recovery = 95% Analysis Date = 04/23/16 Pct Recovery = 94% Analysis Date = 04/23/16 Pct Recovery = 94% Analysis Date = 04/20/16 Pct Recovery = 93% Analysis Date = 04/20/16 Pct Recovery = 93% Analysis Date = 04/17/16 Pct Recovery = 92% Analysis Date = 04/17/16 Pct Recovery = 92% Analysis Date = 04/14/16 Pct Recovery = 91% Analysis Date = 04/14/16 Pct Recovery = 91% Analysis Date = 04/11/16 Pct Recovery = 90% Analysis Date = 04/11/16 Pct Recovery = 90% Analysis Date = 04/09/16 Pct Recovery = 89% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
1,7-DIMETHYLXANTHINE (P-XANTHINE)

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 1 79% . 79% 0%
>= Reporting Level 54 188% 97% 160% 41%
Total 55 186% 98% 158% 41%

Sample Statistics
1,7-DIMETHYLXANTHINE (P-XANTHINE)

Characteristic N % % Basis
Plotted 55 98% Spiked
Estimated Values 50 89% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 1 2% Spiked
Spiked 56 .  
False Negatives 0 0% 0 out of 56
Not Spiked 30 .  
False Positives 0 0% 0 out of 30