BQS Organic Blind Sample Program
False Positives & False Negatives
DIHYDROTESTOSTERONE
Method: 4434 Testid: 64544GM005

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The SGPlot Procedure

Updated 03/10/2016

False Positive & Negative Listing for DIHYDROTESTOSTERONE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20131370002 Supelco LB99393: 20 µl & Spex Organics T1130423008: 20 µl 4 06/04/13 < 4 5.684211
  20151380010 Supelco LC13547: 30 µl & Abs 041515: 30 µl 4 06/29/15 < 5.39 6.025263
  20151410211 Supelco LC13547: 30 µl & Spex Organics EN150501025: 30 µl 4 09/17/15 < 4 6
  20151480171 Supelco LC13547: 30 µl & Abs 041515: 30 µl 4 09/17/15 < 4 6.025263
  20151620181 Supelco LC13547: 50 µl & Spex Organics EN150501025: 50 µl 4 07/21/15 < 4 10
  20152460213 Crescent 04EE007: 30 µl & Spex Organics EN150501025: 30 µl 4 12/11/15 < 4 6
False Positive 20140440054 Supelco LB99393: 50 µl & Abs 060413: 50 µl & Abs 071513: 50 µl 4 03/14/14 . 1.14 0

Updated 03/10/2016