BQS Organic Blind Sample Program
False Positives & False Negatives
3-BETA-COPROSTANOL
Method: 4434 Testid: 64532GM005

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The SGPlot Procedure

Updated 03/10/2016

False Positive & Negative Listing for 3-BETA-COPROSTANOL

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 200 06/04/13 < 200 349.8947
  20131580025 ERA 0415-13-01.1A: 20 µl & Spex Organics T1130423008: 20 µl 200 06/27/13 < 200 349.8947
  20133260007 Abs 050813: 20 µl & Abs 071513: 20 µl 200 03/03/14 < 200 350.7731
  20141770146 ERA 0227-14-07.2: 30 µl & Spex Organics E1140505004: 30 µl 200 09/04/14 < 200 397.8947
  20143110109 Abs 031014: 30 µl & Supelco LC06946: 30 µl 200 01/29/15 < 200 398.6526
  20151380010 Supelco LC13547: 30 µl & Abs 041515: 30 µl 200 06/29/15 < 200 297.2564
  20151410211 Supelco LC13547: 30 µl & Spex Organics EN150501025: 30 µl 200 09/17/15 < 200 300
  20151480171 Supelco LC13547: 30 µl & Abs 041515: 30 µl 200 09/17/15 < 200 297.2564
  20151620181 Supelco LC13547: 50 µl & Spex Organics EN150501025: 50 µl 200 07/21/15 < 200 500
  20151970169 ChemService 4073900: 50 µl & Abs 041515: 50 µl 200 08/17/15 < 200 495.4274
  20152190002 ChemService 4073900: 30 µl & Spex Organics EN150501025: 30 µl 200 09/23/15 < 200 300
  20152460213 Crescent 04EE007: 30 µl & Spex Organics EN150501025: 30 µl 200 12/11/15 < 200 300

Updated 03/10/2016