BQS Organic Blind Sample Program
False Positives & False Negatives
4-TERT-OCTYLPHENOL DIETHOXYLATES, TOTAL (OPEO2)
Method: 4433 Testid: 62486GCM99

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The SGPlot Procedure

Updated 08/31/2015

False Positive & Negative Listing for 4-TERT-OCTYLPHENOL DIETHOXYLATES, TOTAL (OPEO2)

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20120690028 Crescent 06MM136: 50 µl 0.2 04/10/12 < 0.44 1.98
  20130870086 NSI 061412-01: 20 µl & Crescent 05BB045: 20 µl 0.2 05/29/13 < 0.2 0.3
  20132910006 NSI 042213WWUF: 20 µl & Crescent 04CC095: 20 µl 0.2 11/14/13 < 0.2 0.4
False Positive 20101340153 NWQL BNA2SP094D: 60 µl 0.5 07/15/10 E 0.224 0
  20101900001 NWQL BNA2SP094D: 60 µl 0.5 08/20/10 E 0.19 0
  20142480001 ChemService 2616300: 60 µl & Abs 032814: 60 µl 0.2 09/23/14 E 0.09 0

Updated 08/31/2015