BQS Organic Blind Sample Program |
False Positives & False Negatives |
2,4-D METHYL ESTER |
Method: 2060 Testid: 50470LCM29 |
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Updated 08/31/2015 |
False Positive & Negative Listing for 2,4-D METHYL ESTER |
Status | Lab ID | Spike Mix | Reporting Level | Analysis Date | Result Conc. | Expected Conc. |
---|---|---|---|---|---|---|
False Negative | 20133470007 | Spex Organics T1130601011: 20 µl & ChemService 1448600: 20 µl & NSI 050613: 20 µ | 0.2 | 01/16/14 | < 0.2 | 0.35 |
20133580037 | Abs 042513: 20 µl & Supelco LC01386: 20 µl & NSI 050613: 20 µl | 0.2 | 01/16/14 | < 0.2 | 0.352 | |
20140930050 | Spex Organics T1130601011: 20 µl & Accu 213041030: 20 µl | 0.2 | 04/24/14 | < 0.2 | 0.35 | |
False Positive | 20101720152 | NSI 090309-01HPLC: 80 µl | 0.2 | 07/01/10 | E 0.04 | 0 |
20101830111 | NWQL LCL11SP079A: 50 µl & NWQL LCL11SP079B: 50 µl | 0.2 | 07/27/10 | E 0.005 | 0 |
Updated 08/31/2015 |