BQS Organic Blind Sample Program
False Positives & False Negatives
4-NONYLPHENOL DIETHOXYLATE, TOTAL (NPEO2)
Method: 4433 Testid: 61703GCM99

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The SGPlot Procedure

Updated 08/31/2015

False Positive & Negative Listing for 4-NONYLPHENOL DIETHOXYLATE, TOTAL (NPEO2)

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20141360095 Supelco LC06436: 60 µl & Spex Organics E1140402006: 60 µl 1.6 06/04/14 < 1.6 6.6
  20141490201 Spex Organics E1140402006: 60 µl & Abs 032814: 60 µl 1.6 07/08/14 < 1.6 6.6
  20142130131 ERA 0227-14-07.1: 30 µl & Spex Organics E1140402006: 30 µl 1.6 08/21/14 < 1.6 3.3
  20142270002 Spex Organics E1140402006: 30 µl & Abs 032814: 30 µl 1.6 09/11/14 < 1.6 3.3
  20142470040 ERA 0227-14-07.1: 60 µl & Spex Organics E1140402006: 60 µl 1.6 09/23/14 < 1.6 6.6
  20142760025 Supelco LC06436: 60 µl & Spex Organics E1140402006: 60 µl 1.6 10/21/14 < 1.6 6.6
  20142960087 Spex Organics E1140402006: 60 µl & Crescent 03DD005: 60 µl 1.6 11/05/14 < 1.6 6.6
  20143520107 Spex Organics E1140402006: 30 µl & Crescent 03DD005: 30 µl 1.6 01/27/15 < 1.6 3.3

Updated 08/31/2015