BQS OBSP Determination:
BUTANE
METHOD: 4440 , TESTIDCODE: 81563GCM66
DATES: 05/09/15 - 09/07/17

 Expected Conc. = 0.2 
 Median Pct Recovery = 80%  Expected Conc. = 0.145 
 Median Pct Recovery = 80%  Expected Conc. = 0.145 
 Median Pct Recovery = 80%  Expected Conc. = 0.145 
 Median Pct Recovery = 80%  Expected Conc. = 0.145 
 Median Pct Recovery = 80%  Expected Conc. = 0.1433 
 Median Pct Recovery = 80%  Expected Conc. = 0.1433 
 Median Pct Recovery = 80%  Expected Conc. = 0.1 
 Median Pct Recovery = 80%  Expected Conc. = 0.1 
 Median Pct Recovery = 80%  Expected Conc. = 0.087 
 Median Pct Recovery = 80%  Expected Conc. = 0.087 
 Median Pct Recovery = 80%  Expected Conc. = 0.087 
 Median Pct Recovery = 80%  Expected Conc. = 0.087 
 Median Pct Recovery = 80%  Expected Conc. = 0.087 
 Median Pct Recovery = 80%  Expected Conc. = 0.087 
 Median Pct Recovery = 80%  Expected Conc. = 0.086 
 Median Pct Recovery = 80%  Expected Conc. = 0.086 
 Median Pct Recovery = 80%  Expected Conc. = 0.086 
 Median Pct Recovery = 80%  Expected Conc. = 0.086 
 Median Pct Recovery = 80%  Expected Conc. = 0.086 
 Median Pct Recovery = 80%  Expected Conc. = 0.086 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 75%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 103%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 88%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 56%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 80%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 97%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 77%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 96%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 67%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 74%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 68%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 96%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 104%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 95%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 63%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 80%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 81%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 58%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Y = 1
The SGPlot Procedure