BQS Organic Blind Sample Program
False Positives & False Negatives
ESTRONE
Method: 4434 Testid: 64541GM005

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The SGPlot Procedure

Updated 03/10/2016

False Positive & Negative Listing for ESTRONE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20143110109 Abs 031014: 30 µl & Supelco LC06946: 30 µl 0.8 01/29/15 < 0.8 1.578947
  20143240098 Supelco LC06946: 60 µl & Abs 042114: 60 µl 0.8 02/12/15 < 1.36 3.157895
  20151140151 Abs 031014: 30 µl & ERA 0227-14-07.2: 30 µl 0.8 06/03/15 < 1.15 1.635789
  20151380010 Supelco LC13547: 30 µl & Abs 041515: 30 µl 0.8 06/29/15 < 0.8 1.2
  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 1.2
  20152610010 Abs 041515: 50 µl & ERA 0601-15-04: 50 µl 0.8 12/10/15 < 1.93 2.021053
  20153090108 ERA 0601-15-04: 30 µl & ChemService 4073900: 30 µl 0.8 01/08/16 < 0.8 1.212632

Updated 03/10/2016