BQS Organic Blind Sample Program
False Positives & False Negatives
1-METHYLNAPHTHALENE
Method: 1433 Testid: 62054GCM37

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The SGPlot Procedure

Updated 08/31/2015

False Positive & Negative Listing for 1-METHYLNAPHTHALENE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20090210032 Protocol D1080815007: 40 µl 0.04 01/29/09 < 0.04 0.3999167
False Positive 20093520065 ChemService 480-95B: 80 µl 0.022 02/23/10 E 0.011 0

Updated 08/31/2015