BQS OBSP Determination:
1,4-DIOXANE
METHOD: 4437 , TESTIDCODE: 81582GM016
DATES: 05/20/14 - 09/09/17

 Expected Conc. = 4.664 
 Median Pct Recovery = 96%  Expected Conc. = 4.664 
 Median Pct Recovery = 96%  Expected Conc. = 4.664 
 Median Pct Recovery = 96%  Expected Conc. = 4.664 
 Median Pct Recovery = 96%  Expected Conc. = 4.664 
 Median Pct Recovery = 96%  Expected Conc. = 4.664 
 Median Pct Recovery = 96%  Expected Conc. = 4.664 
 Median Pct Recovery = 96%  Expected Conc. = 2.915 
 Median Pct Recovery = 96%  Expected Conc. = 2.915 
 Median Pct Recovery = 96%  Expected Conc. = 2.915 
 Median Pct Recovery = 96%  Expected Conc. = 2.915 
 Median Pct Recovery = 96%  Expected Conc. = 2.915 
 Median Pct Recovery = 96%  Expected Conc. = 2.915 
 Median Pct Recovery = 96%  Expected Conc. = 2.915 
 Median Pct Recovery = 96%  Expected Conc. = 2.915 
 Median Pct Recovery = 96%  Expected Conc. = 2.915 
 Median Pct Recovery = 96%  Expected Conc. = 2.915 
 Median Pct Recovery = 96%  Expected Conc. = 2.915 
 Median Pct Recovery = 96%  Expected Conc. = 2.915 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.78 
 Median Pct Recovery = 96%  Expected Conc. = 2.625 
 Median Pct Recovery = 96%  Expected Conc. = 2.625 
 Median Pct Recovery = 96%  Expected Conc. = 2.599 
 Median Pct Recovery = 96%  Expected Conc. = 2.599 
 Median Pct Recovery = 96%  Expected Conc. = 2.599 
 Median Pct Recovery = 96%  Expected Conc. = 2.599 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.749 
 Median Pct Recovery = 96%  Expected Conc. = 1.575 
 Median Pct Recovery = 96%  Expected Conc. = 1.575 
 Median Pct Recovery = 96%  Expected Conc. = 1.575 
 Median Pct Recovery = 96%  Expected Conc. = 1.575 
 Median Pct Recovery = 96%  Expected Conc. = 1.575 
 Median Pct Recovery = 96%  Expected Conc. = 1.575 
 Median Pct Recovery = 96%  Expected Conc. = 1.575 
 Median Pct Recovery = 96%  Expected Conc. = 1.575 
 Median Pct Recovery = 96%  Expected Conc. = 1.5594 
 Median Pct Recovery = 96%  Expected Conc. = 1.5594 
 Median Pct Recovery = 96%  Expected Conc. = 1.5594 
 Median Pct Recovery = 96%  Expected Conc. = 1.5594 
 Median Pct Recovery = 96%  Expected Conc. = 1.4 
 Median Pct Recovery = 96%  Expected Conc. = 1.4 
 Median Pct Recovery = 96%  Expected Conc. = 1.4 
 Median Pct Recovery = 96%  Expected Conc. = 1.4 
 Median Pct Recovery = 96%  Expected Conc. = 1.396 
 Median Pct Recovery = 96%  Expected Conc. = 1.396 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.39 
 Median Pct Recovery = 96%  Expected Conc. = 1.05 
 Median Pct Recovery = 96%  Expected Conc. = 1.05 
 Median Pct Recovery = 96%  Expected Conc. = 1.05 
 Median Pct Recovery = 96%  Expected Conc. = 1.05 
 Median Pct Recovery = 96%  Expected Conc. = 1.05 
 Median Pct Recovery = 96%  Expected Conc. = 1.05 
 Median Pct Recovery = 96%  Expected Conc. = 1.0396 
 Median Pct Recovery = 96%  Expected Conc. = 1.0396 
 Median Pct Recovery = 96%  Expected Conc. = 1.0396 
 Median Pct Recovery = 96%  Expected Conc. = 1.0396 
 Median Pct Recovery = 96%  Expected Conc. = 1.0396 
 Median Pct Recovery = 96%  Expected Conc. = 1.0396 
 Median Pct Recovery = 96%  Expected Conc. = 1.0396 
 Median Pct Recovery = 96%  Analysis Date = 03/09/17 
 SpikeMix = NSI 110916: 40 µl & Phenova B20160303: 40 µl 
 Pct Recovery = 88%  Analysis Date = 02/02/17 
 SpikeMix = Abs 060916HVOC: 40 µl & ChemService 5082800: 40 µl & Accu 216041225: 40 µl 
 Pct Recovery = 102%  Analysis Date = 12/05/16 
 SpikeMix = Abs 060916HVOC: 40 µl & Phenova B20160303: 40 µl 
 Pct Recovery = 98%  Analysis Date = 11/29/16 
 SpikeMix = Accu 216041354: 40 µl & Abs 060916HVOC: 40 µl 
 Pct Recovery = 93%  Analysis Date = 06/24/17 
 SpikeMix = Supelco LC20145V: 25 µl & Abs 060916HVOC: 25 µl & Accu 216041225: 25 µl 
 Pct Recovery = 91%  Analysis Date = 06/13/17 
 SpikeMix = Abs 060916HVOC: 25 µl & ChemService 5082800: 25 µl 
 Pct Recovery = 97%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20145V: 25 µl & NSI 110916: 25 µl 
 Pct Recovery = 86%  Analysis Date = 09/28/16 
 SpikeMix = Accu 216041354: 25 µl & Abs 060916HVOC: 25 µl & Accu 216041225: 25 µl 
 Pct Recovery = 100%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20145V: 25 µl & Abs 060916HVOC: 25 µl 
 Pct Recovery = 96%  Analysis Date = 09/08/16 
 SpikeMix = Abs 060916HVOC: 25 µl & Phenova B20160303: 25 µl & NSI 041416HVOC: 25 µl 
 Pct Recovery = 99%  Analysis Date = 02/26/15 
 SpikeMix = ERA 0321-14-05A: 20 µl & Supelco LC06437: 20 µl 
 Pct Recovery = 108%  Analysis Date = 01/10/15 
 SpikeMix = Abs 032014: 20 µl & ERA 0321-14-05A: 20 µl 
 Pct Recovery = 90%  Analysis Date = 11/13/14 
 SpikeMix = NSI 031814: 20 µl & ERA 0321-14-05A: 20 µl 
 Pct Recovery = 90%  Analysis Date = 08/13/14 
 SpikeMix = ERA 0321-14-05: 20 µl & Accu 214031128: 20 µl 
 Pct Recovery = 104%  Analysis Date = 08/13/14 
 SpikeMix = ERA 0321-14-05: 20 µl & Accu 214031128: 20 µl 
 Pct Recovery = 104%  Analysis Date = 07/11/14 
 SpikeMix = ChemService 2615700: 20 µl & Accu 214031128: 20 µl 
 Pct Recovery = 94%  Analysis Date = 07/11/14 
 SpikeMix = ChemService 2615700: 20 µl & Accu 214031128: 20 µl 
 Pct Recovery = 94%  Analysis Date = 07/03/14 
 SpikeMix = Abs 032014: 20 µl & ChemService 2615700: 20 µl 
 Pct Recovery = 86%  Analysis Date = 07/03/14 
 SpikeMix = Abs 032014: 20 µl & ChemService 2615700: 20 µl 
 Pct Recovery = 86%  Analysis Date = 06/07/14 
 SpikeMix = ChemService 2615700: 20 µl & Supelco LC06437: 20 µl 
 Pct Recovery = 101%  Analysis Date = 06/07/14 
 SpikeMix = ChemService 2615700: 20 µl & Supelco LC06437: 20 µl 
 Pct Recovery = 101%  Analysis Date = 06/06/14 
 SpikeMix = NSI 031814: 20 µl & ChemService 2615700: 20 µl 
 Pct Recovery = 104%  Analysis Date = 06/06/14 
 SpikeMix = NSI 031814: 20 µl & ChemService 2615700: 20 µl 
 Pct Recovery = 104%  Analysis Date = 10/09/15 
 SpikeMix = Supelco LC13544: 25 µl & NSI 050515HVOC: 25 µl 
 Pct Recovery = 95%  Analysis Date = 10/09/15 
 SpikeMix = ERA 0601-15-05: 25 µl & Accu 215041338: 25 µl 
 Pct Recovery = 88%  Analysis Date = 06/26/15 
 SpikeMix = ChemService 3818700: 25 µl & Accu 215041338: 25 µl 
 Pct Recovery = 85%  Analysis Date = 04/27/17 
 SpikeMix = Abs 060916HVOC: 15 µl & ChemService 5082800: 15 µl & NSI 041416HVOC: 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 = 102%  Analysis Date = 02/02/17 
 SpikeMix = Accu 216041354: 15 µl & NSI 110916: 15 µl & Accu 216041225: 15 µl 
 Pct Recovery = 91%  Analysis Date = 01/03/17 
 SpikeMix = Supelco LC20145V: 15 µl & Abs 060916HVOC: 15 µl & NSI 041416HVOC: 15 µl 
 Pct Recovery = 86%  Analysis Date = 11/18/16 
 SpikeMix = NSI 110916: 15 µl & ChemService 5082800: 15 µl & Accu 216041225: 15 µl 
 Pct Recovery = 85%  Analysis Date = 11/02/16 
 SpikeMix = Supelco LC20145V: 15 µl & Abs 060916HVOC: 15 µl & Accu 216041225: 15 µl 
 Pct Recovery = 116%  Analysis Date = 10/07/16 
 SpikeMix = Abs 060916HVOC: 15 µl & ChemService 5082800: 15 µl 
 Pct Recovery = 98%  Analysis Date = 08/18/16 
 SpikeMix = Abs 060916HVOC: 15 µl & ChemService 5082800: 15 µl 
 Pct Recovery = 101%  Analysis Date = 08/12/16 
 SpikeMix = Accu 216041354: 15 µl & Abs 060916HVOC: 15 µl 
 Pct Recovery = 105%  Analysis Date = 04/28/16 
 SpikeMix = ChemService 3818700: 15 µl & Supelco LC13544: 15 µl 
 Pct Recovery = 95%  Analysis Date = 08/24/15 
 SpikeMix = ERA 0601-15-05: 15 µl & Supelco LC13544: 15 µl 
 Pct Recovery = 95%  Analysis Date = 07/30/15 
 SpikeMix = Supelco LC13544: 15 µl & NSI 050515HVOC: 15 µl 
 Pct Recovery = 102%  Analysis Date = 05/14/15 
 SpikeMix = ChemService 3818700: 15 µl & Supelco LC13544: 15 µl 
 Pct Recovery = 95%  Analysis Date = 11/25/15 
 SpikeMix = Accu 215041338: 15 µl & Abs 040315: 15 µl 
 Pct Recovery = 83%  Analysis Date = 09/05/15 
 SpikeMix = Accu 215041338: 15 µl & NSI 050515HVOC: 15 µl 
 Pct Recovery = 90%  Analysis Date = 09/09/17 
 SpikeMix = Spex Organics BW170726021: 10 µl & Spex Organics BW170725005: 10 µl 
 Pct Recovery = 84%  Analysis Date = 08/30/17 
 SpikeMix = ChemService 6441300: 10 µl & ChemService 6424500: 10 µl & Spex Organics BW170725 
 Pct Recovery = 96%  Analysis Date = 08/16/17 
 SpikeMix = ChemService 6441300: 10 µl & ChemService 6441600: 10 µl & ChemService 6424500: 1 
 Pct Recovery = 90%  Analysis Date = 04/25/15 
 SpikeMix = Abs 032014: 10 µl & ERA 0321-14-05A: 10 µl 
 Pct Recovery = 108%  Analysis Date = 11/22/14 
 SpikeMix = ChemService 2615700: 10 µl & Supelco LC06437: 10 µl 
 Pct Recovery = 94%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0321-14-05A: 10 µl & Accu 214031128: 10 µl 
 Pct Recovery = 86%  Analysis Date = 09/06/14 
 SpikeMix = NSI 031814: 10 µl & ERA 0321-14-05: 10 µl 
 Pct Recovery = 108%  Analysis Date = 09/06/14 
 SpikeMix = NSI 031814: 10 µl & ERA 0321-14-05: 10 µl 
 Pct Recovery = 108%  Analysis Date = 09/06/14 
 SpikeMix = ERA 0321-14-05: 10 µl & Supelco LC06437: 10 µl 
 Pct Recovery = 122%  Analysis Date = 09/06/14 
 SpikeMix = ERA 0321-14-05: 10 µl & Supelco LC06437: 10 µl 
 Pct Recovery = 122%  Analysis Date = 07/30/14 
 SpikeMix = NSI 031814: 10 µl & ChemService 2615700: 10 µl 
 Pct Recovery = 94%  Analysis Date = 07/30/14 
 SpikeMix = NSI 031814: 10 µl & ChemService 2615700: 10 µl 
 Pct Recovery = 94%  Analysis Date = 05/20/14 
 SpikeMix = ChemService 2615700: 10 µl & Accu 214031128: 10 µl 
 Pct Recovery = 108%  Analysis Date = 05/20/14 
 SpikeMix = ChemService 2615700: 10 µl & Accu 214031128: 10 µl 
 Pct Recovery = 108%  Analysis Date = 03/22/16 
 SpikeMix = Supelco LC13544: 10 µl & NSI 050515HVOC: 10 µl 
 Pct Recovery = 95%  Analysis Date = 12/10/15 
 SpikeMix = ChemService 3818700: 10 µl & Supelco LC13544: 10 µl 
 Pct Recovery = 95%  Analysis Date = 05/05/15 
 SpikeMix = Supelco LC13544: 10 µl & Abs 040315: 10 µl 
 Pct Recovery = 105%  Analysis Date = 02/12/16 
 SpikeMix = ERA 0601-15-05: 10 µl & Accu 215041338: 10 µl 
 Pct Recovery = 96%  Analysis Date = 01/05/16 
 SpikeMix = Accu 215041338: 10 µl & Abs 040315: 10 µl 
 Pct Recovery = 96%  Analysis Date = 06/05/15 
 SpikeMix = Accu 215041338: 10 µl & Abs 040315: 10 µl 
 Pct Recovery = 106%  Analysis Date = 05/20/15 
 SpikeMix = ChemService 3818700: 10 µl & Accu 215041338: 10 µl 
 Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Y = 1
The SGPlot Procedure