Environmental Chemistry Methods (ECM) Index - O

Analyte(s) by Pesticide ECM MRID Matrix Method Date
Oxadiazon 41767401 Soil 8/21/89
Oxamyl & Oxime Degradate 47865901 Soil 9/3/09
Oxamyl & Oxime Degradate 45591601 Water 6/17/99
Oxydemeton-Methyl 41430202 Soil 5/1/89


EPA makes no claim of validity by posting these methods, but recognizes that the methods may be of some utility to state, tribal, and local authorities. In addition, not all methods listed are independently validated.

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