BQS Organic Blind Sample Program
False Positives & False Negatives
4-NONYLPHENOL MONOETHOXYLATE
Method: 4433 Testid: 61704GCM99

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The SGPlot Procedure

Updated 08/31/2015

False Positive & Negative Listing for 4-NONYLPHENOL MONOETHOXYLATE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20123040158 Crescent 05BB045: 20 µl & Restek A088824: 20 µl 1.6 12/18/12 < 1.6 1.96
  20141220026 Supelco LC06436: 30 µl & Abs 032814: 30 µl 1.6 05/22/14 < 1.6 3.2106
  20141290007 ChemService 2616300: 30 µl & Abs 032814: 30 µl 1.6 06/05/14 < 1.6 3.2106
  20141490201 Spex Organics E1140402006: 60 µl & Abs 032814: 60 µl 1.6 07/08/14 < 1.6 6.4212
  20141990081 Abs 032814: 30 µl & ERA 0227-14-07.1: 30 µl 1.6 08/20/14 < 1.6 3.2106
  20142270002 Spex Organics E1140402006: 30 µl & Abs 032814: 30 µl 1.6 09/11/14 < 1.6 3.2106
  20142480001 ChemService 2616300: 60 µl & Abs 032814: 60 µl 1.6 09/23/14 < 1.6 6.4212
  20142720001 Abs 032814: 30 µl & ERA 0227-14-07.1: 30 µl 1.6 10/20/14 < 1.6 3.2106
  20143180046 Abs 032814: 60 µl & Supelco LC06436: 60 µl 1.6 12/03/14 < 1.6 6.4212
False Positive 20100920047 Accu 209081217: 40 µl 1.6 05/12/10 E 1.33 0
  20101340153 NWQL BNA2SP094D: 60 µl 1.6 07/15/10 E 1.67 0
  20101900001 NWQL BNA2SP094D: 60 µl 1.6 08/20/10 E 1.68 0
  20101950138 Accu 209081217: 80 µl 1.6 08/21/10 E 3.85 0
  20111260151 NWQL BNA2SP124B: 50 µl 1.6 05/19/11 E 2.14 0
  20112380056 NWQL BNA2SP124B: 80 µl 1.6 10/18/11 E 2.92 0

Updated 08/31/2015