BQS Organic Blind Sample Program
False Positives & False Negatives
17-BETA-ESTRADIOL
Method: 4434 Testid: 64530GM005

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The SGPlot Procedure

Updated 03/10/2016

False Positive & Negative Listing for 17-BETA-ESTRADIOL

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20150430091 ERA 0227-14-07.2: 60 µl & ChemService 2561700: 60 µl 0.8 04/01/15 < 2.82 3.199579
  20151380010 Supelco LC13547: 30 µl & Abs 041515: 30 µl 0.8 06/29/15 < 0.8 1.202526
  20151410211 Supelco LC13547: 30 µl & Spex Organics EN150501025: 30 µl 0.8 09/17/15 < 0.8 1.2
  20151480171 Supelco LC13547: 30 µl & Abs 041515: 30 µl 0.8 09/17/15 < 0.8 1.202526
  20151620181 Supelco LC13547: 50 µl & Spex Organics EN150501025: 50 µl 0.8 07/21/15 < 1.54 2
  20152460213 Crescent 04EE007: 30 µl & Spex Organics EN150501025: 30 µl 0.8 12/11/15 < 1.14 1.2

Updated 03/10/2016