BQS OBSP Determination:
2-NITROPROPANE
METHOD: 4437 , TESTIDCODE: 77076GM016
DATES: 05/07/14 - 09/09/17

 Expected Conc. = 0.7864 
 Median Pct Recovery = 89%  Expected Conc. = 0.7864 
 Median Pct Recovery = 89%  Expected Conc. = 0.7864 
 Median Pct Recovery = 89%  Expected Conc. = 0.7864 
 Median Pct Recovery = 89%  Expected Conc. = 0.7864 
 Median Pct Recovery = 89%  Expected Conc. = 0.4915 
 Median Pct Recovery = 89%  Expected Conc. = 0.4915 
 Median Pct Recovery = 89%  Expected Conc. = 0.4915 
 Median Pct Recovery = 89%  Expected Conc. = 0.4915 
 Median Pct Recovery = 89%  Expected Conc. = 0.4915 
 Median Pct Recovery = 89%  Expected Conc. = 0.4915 
 Median Pct Recovery = 89%  Expected Conc. = 0.48 
 Median Pct Recovery = 89%  Expected Conc. = 0.48 
 Median Pct Recovery = 89%  Expected Conc. = 0.48 
 Median Pct Recovery = 89%  Expected Conc. = 0.48 
 Median Pct Recovery = 89%  Expected Conc. = 0.48 
 Median Pct Recovery = 89%  Expected Conc. = 0.48 
 Median Pct Recovery = 89%  Expected Conc. = 0.48 
 Median Pct Recovery = 89%  Expected Conc. = 0.48 
 Median Pct Recovery = 89%  Expected Conc. = 0.4724 
 Median Pct Recovery = 89%  Expected Conc. = 0.4724 
 Median Pct Recovery = 89%  Expected Conc. = 0.4724 
 Median Pct Recovery = 89%  Expected Conc. = 0.4724 
 Median Pct Recovery = 89%  Expected Conc. = 0.4724 
 Median Pct Recovery = 89%  Expected Conc. = 0.4724 
 Median Pct Recovery = 89%  Expected Conc. = 0.4724 
 Median Pct Recovery = 89%  Expected Conc. = 0.4724 
 Median Pct Recovery = 89%  Expected Conc. = 0.45 
 Median Pct Recovery = 89%  Expected Conc. = 0.45 
 Median Pct Recovery = 89%  Expected Conc. = 0.45 
 Median Pct Recovery = 89%  Expected Conc. = 0.45 
 Median Pct Recovery = 89%  Expected Conc. = 0.45 
 Median Pct Recovery = 89%  Expected Conc. = 0.45 
 Median Pct Recovery = 89%  Expected Conc. = 0.36 
 Median Pct Recovery = 89%  Expected Conc. = 0.36 
 Median Pct Recovery = 89%  Expected Conc. = 0.2949 
 Median Pct Recovery = 89%  Expected Conc. = 0.2949 
 Median Pct Recovery = 89%  Expected Conc. = 0.2949 
 Median Pct Recovery = 89%  Expected Conc. = 0.2949 
 Median Pct Recovery = 89%  Expected Conc. = 0.2949 
 Median Pct Recovery = 89%  Expected Conc. = 0.2949 
 Median Pct Recovery = 89%  Expected Conc. = 0.2949 
 Median Pct Recovery = 89%  Expected Conc. = 0.2949 
 Median Pct Recovery = 89%  Expected Conc. = 0.2949 
 Median Pct Recovery = 89%  Expected Conc. = 0.2949 
 Median Pct Recovery = 89%  Expected Conc. = 0.2949 
 Median Pct Recovery = 89%  Expected Conc. = 0.2949 
 Median Pct Recovery = 89%  Expected Conc. = 0.2949 
 Median Pct Recovery = 89%  Expected Conc. = 0.2949 
 Median Pct Recovery = 89%  Expected Conc. = 0.27 
 Median Pct Recovery = 89%  Expected Conc. = 0.27 
 Median Pct Recovery = 89%  Expected Conc. = 0.27 
 Median Pct Recovery = 89%  Expected Conc. = 0.27 
 Median Pct Recovery = 89%  Expected Conc. = 0.27 
 Median Pct Recovery = 89%  Expected Conc. = 0.27 
 Median Pct Recovery = 89%  Expected Conc. = 0.27 
 Median Pct Recovery = 89%  Expected Conc. = 0.27 
 Median Pct Recovery = 89%  Expected Conc. = 0.27 
 Median Pct Recovery = 89%  Expected Conc. = 0.27 
 Median Pct Recovery = 89%  Expected Conc. = 0.24 
 Median Pct Recovery = 89%  Expected Conc. = 0.24 
 Median Pct Recovery = 89%  Expected Conc. = 0.24 
 Median Pct Recovery = 89%  Expected Conc. = 0.24 
 Median Pct Recovery = 89%  Expected Conc. = 0.24 
 Median Pct Recovery = 89%  Expected Conc. = 0.24 
 Median Pct Recovery = 89%  Expected Conc. = 0.24 
 Median Pct Recovery = 89%  Expected Conc. = 0.24 
 Median Pct Recovery = 89%  Expected Conc. = 0.24 
 Median Pct Recovery = 89%  Expected Conc. = 0.24 
 Median Pct Recovery = 89%  Expected Conc. = 0.2362 
 Median Pct Recovery = 89%  Expected Conc. = 0.2362 
 Median Pct Recovery = 89%  Expected Conc. = 0.2362 
 Median Pct Recovery = 89%  Expected Conc. = 0.2362 
 Median Pct Recovery = 89%  Expected Conc. = 0.2362 
 Median Pct Recovery = 89%  Expected Conc. = 0.2362 
 Median Pct Recovery = 89%  Expected Conc. = 0.2362 
 Median Pct Recovery = 89%  Expected Conc. = 0.2362 
 Median Pct Recovery = 89%  Expected Conc. = 0.18 
 Median Pct Recovery = 89%  Expected Conc. = 0.18 
 Median Pct Recovery = 89%  Expected Conc. = 0.18 
 Median Pct Recovery = 89%  Expected Conc. = 0.18 
 Median Pct Recovery = 89%  Expected Conc. = 0.18 
 Median Pct Recovery = 89%  Expected Conc. = 0.18 
 Median Pct Recovery = 89%  Expected Conc. = 0.18 
 Median Pct Recovery = 89%  Expected Conc. = 0.18 
 Median Pct Recovery = 89%  Expected Conc. = 0.18 
 Median Pct Recovery = 89%  Expected Conc. = 0.18 
 Median Pct Recovery = 89%  Expected Conc. = 0.18 
 Median Pct Recovery = 89%  Expected Conc. = 0.18 
 Median Pct Recovery = 89%  Expected Conc. = 0.18 
 Median Pct Recovery = 89%  Expected Conc. = 0.18 
 Median Pct Recovery = 89%  Expected Conc. = 0.18 
 Median Pct Recovery = 89%  Analysis Date = 11/29/16 
 SpikeMix = Accu 216041354: 40 µl & Abs 060916HVOC: 40 µl 
 Pct Recovery = 81%  Analysis Date = 09/23/16 
 SpikeMix = Phenova B20160303: 40 µl & Accu 216041354: 40 µl 
 Pct Recovery = 94%  Analysis Date = 07/06/16 
 SpikeMix = Accu 216041354: 40 µl & NSI 041516: 40 µl & NSI 041416HVOC: 40 µl 
 Pct Recovery = 81%  Analysis Date = 12/23/16 
 SpikeMix = ChemService 5082800: 25 µl & Accu 216041354: 25 µl & NSI 041416HVOC: 25 µl 
 Pct Recovery = 88%  Analysis Date = 09/28/16 
 SpikeMix = Accu 216041354: 25 µl & Abs 060916HVOC: 25 µl & Accu 216041225: 25 µl 
 Pct Recovery = 90%  Analysis Date = 08/31/16 
 SpikeMix = ChemService 5082800: 25 µl & Accu 216041354: 25 µl 
 Pct Recovery = 89%  Analysis Date = 03/19/15 
 SpikeMix = Supelco LC06437: 20 µl & NSI 031814: 20 µl 
 Pct Recovery = 83%  Analysis Date = 02/26/15 
 SpikeMix = ERA 0321-14-05A: 20 µl & Supelco LC06437: 20 µl 
 Pct Recovery = 91%  Analysis Date = 08/20/14 
 SpikeMix = Supelco LC06437: 20 µl & Abs 032014: 20 µl 
 Pct Recovery = 83%  Analysis Date = 06/07/14 
 SpikeMix = ChemService 2615700: 20 µl & Supelco LC06437: 20 µl 
 Pct Recovery = 93%  Analysis Date = 08/13/14 
 SpikeMix = ERA 0321-14-05: 20 µl & Accu 214031128: 20 µl 
 Pct Recovery = 88%  Analysis Date = 07/23/14 
 SpikeMix = Accu 214031128: 20 µl & Abs 032014: 20 µl 
 Pct Recovery = 80%  Analysis Date = 07/11/14 
 SpikeMix = ChemService 2615700: 20 µl & Accu 214031128: 20 µl 
 Pct Recovery = 93%  Analysis Date = 05/07/14 
 SpikeMix = NSI 031814: 20 µl & Accu 214031128: 20 µl 
 Pct Recovery = 81%  Analysis Date = 01/22/16 
 SpikeMix = NSI 050515HVOC: 25 µl & ERA 0601-15-05: 25 µl 
 Pct Recovery = 86%  Analysis Date = 10/09/15 
 SpikeMix = Supelco LC13544: 25 µl & NSI 050515HVOC: 25 µl 
 Pct Recovery = 81%  Analysis Date = 06/25/15 
 SpikeMix = ChemService 3818700: 25 µl & NSI 050515HVOC: 25 µl 
 Pct Recovery = 89%  Analysis Date = 08/16/17 
 SpikeMix = ChemService 6441300: 15 µl & Spex Organics BW170726021: 15 µl & ChemService 6424 
 Pct Recovery = 94%  Analysis Date = 07/14/17 
 SpikeMix = Accu 216041354: 15 µl & ChemService 5082800: 15 µl & Accu 216041225: 15 µl 
 Pct Recovery = 79%  Analysis Date = 02/24/17 
 SpikeMix = Phenova B20160303: 15 µl & Accu 216041354: 15 µl & Accu 216041225: 15 µl 
 Pct Recovery = 96%  Analysis Date = 02/02/17 
 SpikeMix = Accu 216041354: 15 µl & NSI 110916: 15 µl & Accu 216041225: 15 µl 
 Pct Recovery = 84%  Analysis Date = 08/12/16 
 SpikeMix = Accu 216041354: 15 µl & Abs 060916HVOC: 15 µl 
 Pct Recovery = 78%  Analysis Date = 07/06/16 
 SpikeMix = Phenova B20160303: 15 µl & Accu 216041354: 15 µl & NSI 041416HVOC: 15 µl 
 Pct Recovery = 77%  Analysis Date = 06/23/16 
 SpikeMix = . 
 Pct Recovery = 80%  Analysis Date = 05/20/16 
 SpikeMix = Accu 216041354: 15 µl & NSI 041516: 15 µl & Accu 216041225: 15 µl 
 Pct Recovery = 88%  Analysis Date = 11/25/15 
 SpikeMix = Accu 215041338: 15 µl & Abs 040315: 15 µl 
 Pct Recovery = 90%  Analysis Date = 09/24/15 
 SpikeMix = Abs 040315: 15 µl & ERA 0601-15-05: 15 µl 
 Pct Recovery = 96%  Analysis Date = 09/05/15 
 SpikeMix = Accu 215041338: 15 µl & NSI 050515HVOC: 15 µl 
 Pct Recovery = 78%  Analysis Date = 07/30/15 
 SpikeMix = Supelco LC13544: 15 µl & NSI 050515HVOC: 15 µl 
 Pct Recovery = 81%  Analysis Date = 06/16/15 
 SpikeMix = ChemService 3818700: 15 µl & NSI 050515HVOC: 15 µl 
 Pct Recovery = 91%  Analysis Date = 09/09/17 
 SpikeMix = Spex Organics BW170726021: 10 µl & Spex Organics BW170725005: 10 µl 
 Pct Recovery = 108%  Analysis Date = 11/22/14 
 SpikeMix = ChemService 2615700: 10 µl & Supelco LC06437: 10 µl 
 Pct Recovery = 91%  Analysis Date = 11/13/14 
 SpikeMix = Supelco LC06437: 10 µl & NSI 031814: 10 µl 
 Pct Recovery = 77%  Analysis Date = 09/06/14 
 SpikeMix = ERA 0321-14-05: 10 µl & Supelco LC06437: 10 µl 
 Pct Recovery = 100%  Analysis Date = 06/17/14 
 SpikeMix = Supelco LC06437: 10 µl & Abs 032014: 10 µl 
 Pct Recovery = 93%  Analysis Date = 12/13/14 
 SpikeMix = Accu 214031128: 10 µl & NSI 031814: 10 µl 
 Pct Recovery = 83%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0321-14-05A: 10 µl & Accu 214031128: 10 µl 
 Pct Recovery = 98%  Analysis Date = 09/11/14 
 SpikeMix = Accu 214031128: 10 µl & Abs 032014: 10 µl 
 Pct Recovery = 83%  Analysis Date = 05/20/14 
 SpikeMix = ChemService 2615700: 10 µl & Accu 214031128: 10 µl 
 Pct Recovery = 107%  Analysis Date = 04/09/16 
 SpikeMix = Abs 040315: 10 µl & ChemService 3818700: 10 µl 
 Pct Recovery = 104%  Analysis Date = 03/22/16 
 SpikeMix = Supelco LC13544: 10 µl & NSI 050515HVOC: 10 µl 
 Pct Recovery = 89%  Analysis Date = 01/05/16 
 SpikeMix = Accu 215041338: 10 µl & Abs 040315: 10 µl 
 Pct Recovery = 99%  Analysis Date = 12/05/15 
 SpikeMix = NSI 050515HVOC: 10 µl & ERA 0601-15-05: 10 µl 
 Pct Recovery = 91%  Analysis Date = 10/23/15 
 SpikeMix = Abs 040315: 10 µl & ChemService 3818700: 10 µl 
 Pct Recovery = 101%  Analysis Date = 08/14/15 
 SpikeMix = Abs 040315: 10 µl & ERA 0601-15-05: 10 µl 
 Pct Recovery = 91%  Analysis Date = 06/05/15 
 SpikeMix = Accu 215041338: 10 µl & Abs 040315: 10 µl 
 Pct Recovery = 97%  Analysis Date = 05/05/15 
 SpikeMix = Supelco LC13544: 10 µl & Abs 040315: 10 µl 
 Pct Recovery = 99%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Y = 1
The SGPlot Procedure