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Environmental Chemistry Methods (ECM) Index - M

Analyte(s) by Pesticide ECM MRID Matrix Method Date
Malathion & Malaoxon 48800202 Soil 6/16/11
Malathion & Malaoxon 48800201 Water 6/16/11
Malathion & Malaoxon 41727701 Soil 8/1/89
Malathion & Malaoxon 42058401 Water 10/2/91
Maleic Hydrazide 44712501 Soil 10/19/98
Maleic Hydrazide 44900001 Water 7/20/99
Mancozeb Degradate ETU 44880401 Water 7/14/99
Mandestrobin 49068639 Water 10/19/11
Mandestrobin & Degradates 49068570 Soil 11/5/12
Maneb Degradate ETU 44880401 Water 7/14/99
Mandipropamid & Degradate CGA-380778 46800126 Soil 10/9/03
Mandipropamid 46800124 Saltwater 5/13/05
MCPA 42134001 Soil 3/25/91
MCPA 44192701 Water 12/6/96
MCPA 49775206 Soil 8/5/14
MCPA 49775206 Water 8/11/14
MCPB 49775206 Soil 8/5/14
MCPB 49775206 Water 8/11/14
Mecoprop (MCPP) 40053502 Soil 1/12/87
Mecoprop-p (MCPP-p) 49775206 Soil 8/5/14
Mecoprop-p (MCPP-p) 49775206 Water 8/11/14
Mefentrifluconazole & Degradates 49762549 Soil 9/8/16
Mefentrifluconazole & Degradates 49762550 Water 5/2/17
Mefentrifluconazole Degradates 49762552 Water 5/23/17
Mefentrifluconazole Degradate 1,2,4-triazole 49762553 Water 2/19/13
Mepiquat Chloride 42369401 Soil 5/18/92
Mepiquat Chloride 49586601 Water 3/26/03
Mesosulfuron-methyl 45386523 Water 6/16/00
Mesosulfuron-methyl 46451701 Water 7/23/02
Mesosulfuron-methyl & Degradates 49829804 Water 1/28/16
Mesosulfuron-methyl & Degradates 49829803 Soil 1/27/16
Mesotrione & Degradates 49458108 Soil 9/27/04
Mesotrione & Degradates 49458109 Water 5/6/04
Metaflumizone & Degradates 46264225 Soil 10/22/03
Metaflumizone & Degradates 46264227 Water 11/24/03
Metalaxyl 40985401 Soil 7/15/88
Metalaxyl 42259804 Water/Soil 1/21/92
Metaldehyde 42287001 Soil 4/14/92
Metam Degradate DMU 41514401 Soil 11/28/89
Metconazole & Degradates 46902209 Soil 6/20/06
Metconazole & Degradates 46805102 Seawater 5/19/05
Metconazole Enantiomers 50200402 Water 4/27/15
Methiocarb & Degradates 49502502 Soil 8/21/14
Methiocarb & Degradates 49502503 Water 8/19/14
Methiozolin & Degradate 2,6-Difluorobenzoic Acid 49780008 Soil & Grass 11/9/15
Methiozolin & Degradate 2,6-Difluorobenzyl Alcohol 50446912 Water 7/31/17
Methomyl 41623901 Soil 11/10/89
Methomyl 42288001 Soil 11/27/91
Methomyl 43117402 Soil 8/27/93
Methomyl 43117401 Soil 11/12/93
Methomyl 43117402 Water 4/8/91
Methomyl 43117401 Water 11/12/93
Methomyl (Multi-analyte) 49145602 Water 6/5/13
Methoxyfenozide 47809902 Soil 10/15/99
Methoxyfenozide 47824201 Water 11/5/99
Methoxyfenozide 49201703 Water 5/5/98
Methoxyfenozide & Degradates 49525704 Soil 6/23/14
Methoxyfenozide & Degradates 49525703 Water 4/25/14
Metiram Degradate ETU 44880401 Water 7/14/99
Metolachlor 41309805 Soil 11/1/89
Metolachlor 45499601 Water 6/23/99
Metolachlor 44712301 Water 3/20/96
Metolachlor (multi-analyte) 48346602 Water 2/16/10
Metalachlor (multi-analyte) 46839502 Water 11/11/05
Metolachlor & Degradates 41309805 Soil 11/1/89
Metolachlor (R) 45499612 Water 8/20/01
Metolachlor (S) 45499611 Water 8/20/01
Metolachlor (S) & Degradates 46829512 Soil, Thatch, & Grass 9/2/99
Metrafenone & Degradate CL 377160 47267434 Soil 7/11/01
Metrafenone & Degradate CL 377160 47267435 Soil 1/30/02
Metrafenone & Degradate CL 375816 47267436 Water 3/20/02
Metribuzin & Degradates DADK, DA, DK 49846001 Water & Soil  6/5/15
Metsulfuron-methyl 41821701 Soil 11/17/98

Metsulfuron-methyl & Degradates

49585702 Water 11/15/10
Mevinphos 41760301 Soil 12/1/90
MGK 264 50105601 Water 5/15/15
Milbemectin 45414704 Soil 01/04/01
Milbemectin 44844334 Water 6/18/98
MITC 49549401 Water 4/2/13
Molinate 41421803 Water 4/22/85
Molinate 40391706 Soil 4/22/85
Molinate Degradate Carboxymolinate 41421803 Water 11/20/89
Molinate Degradate Hexamethyleneimine 41421803 Water 6/30/89
Molinate (S-methyl) 41421803 Soil 2/15/89
Molinate Degradate Molinate Sulfoxide 41421803 Soil 9/11/89
Momfluorothrin 49019934 Soil 2/22/11

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.

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