BQS Organic Blind Sample Program
False Positives & False Negatives
COTININE
Method: 4433 Testid: 61945GCM99

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The SGPlot Procedure

Updated 08/31/2015

False Positive & Negative Listing for COTININE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20122210008 Crescent 05BB045: 20 µl & Restek A088824: 20 µl 0.08 08/24/12 < 0.095 0.3
  20140300033 ChemService 1466200: 20 µl & Supelco LC00152: 20 µl 0.08 04/23/14 < 0.08 0.342
  20140860103 Crescent 04CC095: 20 µl & Abs 050613WWUF: 20 µl 0.08 04/23/14 < 0.08 0.342
  20141010007 Supelco LC06436: 30 µl & Crescent 03DD005: 30 µl 0.08 04/24/14 < 0.08 0.1596
  20141220026 Supelco LC06436: 30 µl & Abs 032814: 30 µl 0.08 05/22/14 < 0.08 0.1599
  20141290007 ChemService 2616300: 30 µl & Abs 032814: 30 µl 0.08 06/05/14 < 0.08 0.1599
False Positive 20093450031 Restek A070024: 40 µl 0.8 02/11/10 E 0.033 0
  20142760025 Supelco LC06436: 60 µl & Spex Organics E1140402006: 60 µl 0.08 10/21/14 E 0.029 0

Updated 08/31/2015