BQS OBSP Determination:
N-PENTANAL
METHOD: 4437 , TESTIDCODE: 77061GM016
DATES: 05/07/14 - 09/09/17

 Expected Conc. = 0.3592 
 Median Pct Recovery = 81%  Expected Conc. = 0.3592 
 Median Pct Recovery = 81%  Expected Conc. = 0.3592 
 Median Pct Recovery = 81%  Expected Conc. = 0.3592 
 Median Pct Recovery = 81%  Expected Conc. = 0.3592 
 Median Pct Recovery = 81%  Expected Conc. = 0.2245 
 Median Pct Recovery = 81%  Expected Conc. = 0.2245 
 Median Pct Recovery = 81%  Expected Conc. = 0.2245 
 Median Pct Recovery = 81%  Expected Conc. = 0.2245 
 Median Pct Recovery = 81%  Expected Conc. = 0.2245 
 Median Pct Recovery = 81%  Expected Conc. = 0.2245 
 Median Pct Recovery = 81%  Expected Conc. = 0.2245 
 Median Pct Recovery = 81%  Expected Conc. = 0.2245 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.216 
 Median Pct Recovery = 81%  Expected Conc. = 0.2055 
 Median Pct Recovery = 81%  Expected Conc. = 0.2055 
 Median Pct Recovery = 81%  Expected Conc. = 0.2055 
 Median Pct Recovery = 81%  Expected Conc. = 0.2055 
 Median Pct Recovery = 81%  Expected Conc. = 0.1347 
 Median Pct Recovery = 81%  Expected Conc. = 0.1347 
 Median Pct Recovery = 81%  Expected Conc. = 0.1347 
 Median Pct Recovery = 81%  Expected Conc. = 0.1347 
 Median Pct Recovery = 81%  Expected Conc. = 0.1347 
 Median Pct Recovery = 81%  Expected Conc. = 0.1347 
 Median Pct Recovery = 81%  Expected Conc. = 0.1347 
 Median Pct Recovery = 81%  Expected Conc. = 0.1347 
 Median Pct Recovery = 81%  Expected Conc. = 0.1347 
 Median Pct Recovery = 81%  Expected Conc. = 0.1347 
 Median Pct Recovery = 81%  Expected Conc. = 0.1347 
 Median Pct Recovery = 81%  Expected Conc. = 0.1347 
 Median Pct Recovery = 81%  Expected Conc. = 0.1233 
 Median Pct Recovery = 81%  Expected Conc. = 0.1233 
 Median Pct Recovery = 81%  Expected Conc. = 0.1233 
 Median Pct Recovery = 81%  Expected Conc. = 0.1233 
 Median Pct Recovery = 81%  Expected Conc. = 0.11 
 Median Pct Recovery = 81%  Expected Conc. = 0.11 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.108 
 Median Pct Recovery = 81%  Expected Conc. = 0.0822 
 Median Pct Recovery = 81%  Expected Conc. = 0.0822 
 Median Pct Recovery = 81%  Expected Conc. = 0.0822 
 Median Pct Recovery = 81%  Expected Conc. = 0.0822 
 Median Pct Recovery = 81%  Expected Conc. = 0.0822 
 Median Pct Recovery = 81%  Expected Conc. = 0.0822 
 Median Pct Recovery = 81%  Expected Conc. = 0.0822 
 Median Pct Recovery = 81%  Analysis Date = 03/09/17 
 SpikeMix = NSI 110916: 40 µl & Phenova B20160303: 40 µl 
 Pct Recovery = 82%  Analysis Date = 12/05/16 
 SpikeMix = Abs 060916HVOC: 40 µl & Phenova B20160303: 40 µl 
 Pct Recovery = 87%  Analysis Date = 09/23/16 
 SpikeMix = Phenova B20160303: 40 µl & Accu 216041354: 40 µl 
 Pct Recovery = 79%  Analysis Date = 03/10/17 
 SpikeMix = Phenova B20160303: 25 µl & Supelco LC20145V: 25 µl & Accu 216041225: 25 µl 
 Pct Recovery = 80%  Analysis Date = 11/10/16 
 SpikeMix = NSI 041516: 25 µl & Phenova B20160303: 25 µl & Accu 216041225: 25 µl 
 Pct Recovery = 93%  Analysis Date = 09/08/16 
 SpikeMix = Abs 060916HVOC: 25 µl & Phenova B20160303: 25 µl & NSI 041416HVOC: 25 µl 
 Pct Recovery = 86%  Analysis Date = 08/11/16 
 SpikeMix = Phenova B20160303: 25 µl & Supelco LC20145V: 25 µl & NSI 041416HVOC: 25 µl 
 Pct Recovery = 83%  Analysis Date = 03/19/15 
 SpikeMix = Supelco LC06437: 20 µl & NSI 031814: 20 µl 
 Pct Recovery = 84%  Analysis Date = 01/10/15 
 SpikeMix = Abs 032014: 20 µl & ERA 0321-14-05A: 20 µl 
 Pct Recovery = 67%  Analysis Date = 11/13/14 
 SpikeMix = NSI 031814: 20 µl & ERA 0321-14-05A: 20 µl 
 Pct Recovery = 65%  Analysis Date = 08/20/14 
 SpikeMix = Supelco LC06437: 20 µl & Abs 032014: 20 µl 
 Pct Recovery = 70%  Analysis Date = 07/23/14 
 SpikeMix = Accu 214031128: 20 µl & Abs 032014: 20 µl 
 Pct Recovery = 69%  Analysis Date = 07/03/14 
 SpikeMix = Abs 032014: 20 µl & ChemService 2615700: 20 µl 
 Pct Recovery = 74%  Analysis Date = 06/06/14 
 SpikeMix = NSI 031814: 20 µl & ChemService 2615700: 20 µl 
 Pct Recovery = 83%  Analysis Date = 05/07/14 
 SpikeMix = NSI 031814: 20 µl & Accu 214031128: 20 µl 
 Pct Recovery = 70%  Analysis Date = 01/22/16 
 SpikeMix = NSI 050515HVOC: 25 µl & ERA 0601-15-05: 25 µl 
 Pct Recovery = 81%  Analysis Date = 10/09/15 
 SpikeMix = ERA 0601-15-05: 25 µl & Accu 215041338: 25 µl 
 Pct Recovery = 93%  Analysis Date = 08/01/17 
 SpikeMix = Abs 062917: 15 µl & Phenova B20160303: 15 µl 
 Pct Recovery = 88%  Analysis Date = 03/24/17 
 SpikeMix = Abs 060916HVOC: 15 µl & Phenova B20160303: 15 µl & Accu 216041225: 15 µl 
 Pct Recovery = 93%  Analysis Date = 02/24/17 
 SpikeMix = Phenova B20160303: 15 µl & Accu 216041354: 15 µl & Accu 216041225: 15 µl 
 Pct Recovery = 85%  Analysis Date = 01/14/17 
 SpikeMix = Phenova B20160303: 15 µl & Supelco LC20145V: 15 µl 
 Pct Recovery = 83%  Analysis Date = 07/06/16 
 SpikeMix = Phenova B20160303: 15 µl & Accu 216041354: 15 µl & NSI 041416HVOC: 15 µl 
 Pct Recovery = 97%  Analysis Date = 06/03/16 
 SpikeMix = NSI 041516: 15 µl & Phenova B20160303: 15 µl & NSI 041416HVOC: 15 µl 
 Pct Recovery = 81%  Analysis Date = 09/24/15 
 SpikeMix = Abs 040315: 15 µl & ERA 0601-15-05: 15 µl 
 Pct Recovery = 81%  Analysis Date = 08/24/15 
 SpikeMix = ERA 0601-15-05: 15 µl & Supelco LC13544: 15 µl 
 Pct Recovery = 81%  Analysis Date = 08/10/17 
 SpikeMix = ChemService 6441300: 10 µl & ChemService 6441600: 10 µl & ChemService 6424500: 1 
 Pct Recovery = 95%  Analysis Date = 09/09/17 
 SpikeMix = Spex Organics BW170726021: 10 µl & Spex Organics BW170725005: 10 µl 
 Pct Recovery = 104%  Analysis Date = 08/30/17 
 SpikeMix = ChemService 6441300: 10 µl & ChemService 6424500: 10 µl & Spex Organics BW170725 
 Pct Recovery = 99%  Analysis Date = 04/25/15 
 SpikeMix = Abs 032014: 10 µl & ERA 0321-14-05A: 10 µl 
 Pct Recovery = 68%  Analysis Date = 12/13/14 
 SpikeMix = Accu 214031128: 10 µl & NSI 031814: 10 µl 
 Pct Recovery = 66%  Analysis Date = 11/13/14 
 SpikeMix = Supelco LC06437: 10 µl & NSI 031814: 10 µl 
 Pct Recovery = 60%  Analysis Date = 09/11/14 
 SpikeMix = Accu 214031128: 10 µl & Abs 032014: 10 µl 
 Pct Recovery = 72%  Analysis Date = 09/06/14 
 SpikeMix = NSI 031814: 10 µl & ERA 0321-14-05: 10 µl 
 Pct Recovery = 86%  Analysis Date = 07/30/14 
 SpikeMix = NSI 031814: 10 µl & ChemService 2615700: 10 µl 
 Pct Recovery = 64%  Analysis Date = 06/17/14 
 SpikeMix = Supelco LC06437: 10 µl & Abs 032014: 10 µl 
 Pct Recovery = 78%  Analysis Date = 02/12/16 
 SpikeMix = ERA 0601-15-05: 10 µl & Accu 215041338: 10 µl 
 Pct Recovery = 95%  Analysis Date = 12/05/15 
 SpikeMix = NSI 050515HVOC: 10 µl & ERA 0601-15-05: 10 µl 
 Pct Recovery = 81%  Analysis Date = 11/14/15 
 SpikeMix = ERA 0601-15-05: 10 µl 
 Pct Recovery = 70%  Analysis Date = 08/14/15 
 SpikeMix = Abs 040315: 10 µl & ERA 0601-15-05: 10 µl 
 Pct Recovery = 97%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Median Pct Recovery = 81%  Y = 1
The SGPlot Procedure