BQS Organic Blind Sample Program
False Positives & False Negatives
ERYTHROMYCIN
Method: LC9017 Testid: 67449LCM56

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The SGPlot Procedure

Updated 08/31/2015

False Positive & Negative Listing for ERYTHROMYCIN

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20123560094 Abs 053112: 40 µl & ERA 0507-12-06.2: 40 µl 53.1 01/24/13 < 53.1 213
  20130740022 Abs 053112: 20 µl & Abs 060112: 20 µl 53.1 03/27/13 < 53.1 106.5
  20132340083 Spex Organics T1120802015: 20 µl & ERA 0507-12-06.1: 20 µl 53.1 08/29/13 < 53.1 106.5
  20140510045 ERA 0507-12-06.1: 20 µl & ERA 0507-12-06.2: 20 µl 53.1 03/21/14 < 53.1 106.5
  20140780046 ERA 0823-11-05.1: 20 µl & ERA 0507-12-06.1: 20 µl 53.1 03/21/14 < 53.1 106.5
False Positive 20121810009 ERA 0823-11-05.1: 20 µl 53.1 07/26/12 . 5.77 0

Updated 08/31/2015