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Environmental Chemistry Methods (ECM) Index - H

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Analyte(s) by Pesticide	ECM MRID	Matrix	Method Date
Halauxifen-methyl & Degradates	48557785	Soil	8/27/12
Halauxifen-methyl & Degradates	48557787	Water	12/23/11
Halauxifen-methyl & Degradate Halauxifen Acid	49702101	Soil	8/26/15
Halofenozide	44352702	Soil	4/9/97
Halosulfuron-methyl	42976305	Water	9/1/93
Halosulfuron-methyl	42661413	Soil	7/10/92
Halosulfuron-methyl & Degradates	49798402	Soil and Sediment	12/7/15
Halosulfuron-methyl & Degradates	49798401	Water	12/1/15
Hexazinone & Degradates	42379201	Soil	10/3/91
Hexazinone & Degradates	45132802	Soil	4/23/99
Hexazinone & Degradates	45132803	Water	4/23/99
Hydramethylnon	43345201	Soil	3/15/94
Hydramethylnon & Degradates	50862503	Soil	5/30/19
Hydramethylnon & Degradates	50862501	Groundwater and Surface water	3/25/19
Hydrogen Cyanamide	44804701	Water	8/31/98

DISCLAIMER

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.