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Index of Environmental Chemistry Methods (ECM) - M

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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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M

Analyte(s) by Pesticide MRID EPA Review Matrix Method Date Registrant Analysis Limit of Quantitation
(LOQ)
Environmental Chemistry Method Independent Laboratory Validation
Malathion & Malaoxon 417277-01 (PDF)
(24 pp, 627K)
  PDF
(40 pp, 822K)
Soil 8/1/89 American Cyanamid GC/FPD 30 g/kg
420584-01 (PDF)
(38 pp, 811K)
  PDF
(40 pp, 822K)
Water 10/2/91 American Cyanamid GC/FPD 30 g/L
Maleic Hydrazide 447125-01 (PDF)
(38 pp, 654K)
    Soil 10/19/98 Uniroyal Chemical Co HPLC/ELCD 10 PPB
Maleic Hydrazide Technical 449000-01 (PDF)
(11 pp, 254K)
    Water 7/20/99 Uniroyal Chemical Co HPLC/ELCD 0.1 PPM
Mancozeb (Ethylenethiourea, Etu) 448804-01 (PDF)
(28 pp, 426K)
    Water 7/14/99 Rohm & Haas LC/MS/MS .1 PPB
Mandipropamid & Degradate CGA-380778 46800126 (PDF)
(16 pp, 299K)
46800125 (PDF)
(8 pp, 168K)
  Soil 10/9/03 Syngenta Crop Protection, Inc. LC/MS/MS 0.5 g/kg
Mandipropamid 46800124 (PDF)
(7 pp, 139K)
    Saltwater 5/13/05 Syngenta Crop Protection, Inc. HPLC/UV 100 g/L
MCPA 421340-01 (PDF)
(8 pp, 149K)
    Soil 3/25/91 Dow Elanco GC/ECD .05 PPM
441927-01 (PDF)
(60 pp, 966K)
    Water 12/6/96 Wildlife International Ltd GC/MS 1.0 PPB
Mecoprop (MCPP) 400535-02 (PDF)
(13 pp, 173K)
    Soil 1/12/87 WR Laudis Ass Inc HPLC/UV .05 PPM
Mepiquat Chloride 423533-01 (PDF)
(43 pp, 919K)
    Soil 6/1/92 BASF Corp Ion Chromatogr .01 PPM
Mesosulfuron-methyl 45386523 (PDF)
(9 pp, 204K)
    Water 06/16/00 Aventis Cropscience HPLC/UV 0.10 µg/L
46451701 (PDF)
(12 pp, 254K)
46451702 (PDF)
(11 pp, 329K)
(PDF)
(4 pp, 185K)
Water 7/23/02 Bayer CropScience LC-MS/MS 0.005 µg/L
Mesotrione 445051-26 (PDF)
(76 pp, 1.28MB)
    Soil 12/4/97 Zeneca Ag Products HPLC/UV 0.005 ug/g
Metaflumizone 462642-27 (PDF)
(66 pp, 1.16MBK)
    Water 11/24/2003 BASF Corporation LC/MS/MS 0.05 ug/kg
Metalaxyl 409854-01 (PDF)
(17 pp, 304K)
    Soil 7/15/88 Ciba-Geigy Corp GC/NPD .025 PPM
422598-04 (PDF)
(11 pp, 331K)
    Water/Soil 1/21/92 Ciba Geigy Corp GC/NPD 1 /10.0 PPB
Metaldehyde 422870-01 (PDF)
(40 pp, 557K)
    Soil 4/14/92 En-Cas Analytical Lab GC/NPD .02 PPM
Methidathion and Metab 420484-01 (PDF)
(12 pp, 203K)
    Soil 5/1/91 Ciba Geigy GC/NPD .01 PPM
Methomyl 41623901 (PDF)
(4 pp, 97K)
    Soil 11/10/89 E. I. du Pont de Nemours & Co. Inc. HPLC/UV 20 µg/kg
42288001 (PDF)
(3 pp, 69K)
    Soil 11/27/91 E. I. du Pont de Nemours & Co. Inc. HPLC/UV 20 µg/kg
43117402 (PDF)
(4 pp, 82K)
    Soil 8/27/93 E. I. du Pont de Nemours & Co. Inc. HPLC/UV Not specified
43117401 (PDF)
(21 pp, 480K)
See EPA Review PDF
(8 pp, 170K)
Soil 11/12/93 E. I. du Pont de Nemours & Co. Inc. Immunoassay 10 µg/kg
43117402 (PDF)
(10 pp, 166K)
    Water 4/8/91 E. I. du Pont de Nemours & Co. Inc. HPLC/UV 0.1 µg/L
43117401 (PDF)
(21 pp, 480K)
See EPA Review PDF
(8 pp, 167K)
Water 11/12/93 E. I. du Pont de Nemours & Co. Inc. Immunoassay 0.2 µg/L
Methoxyfenozide 47809902 (PDF)
(8 pp, 131K)
  PDF
(7 pp, 890K)
Soil 10/15/99 Rhom and Haas Co. LC/UV 10 µg/kg
47824201 (PDF)
(12 pp, 278K)
  PDF
(6 pp, 458K)
Water 11/5/99 Rhom and Haas Co. LC/UV 0.05 µg/L
49201703 (PDF)
(6 pp, 296K)
49201702 (PDF)
(5 pp, 284K)
  Water 5/5/98 Rhom and Haas Co. LC/UV 0.10 µg/L
Metiram (1-3 Dimethylurea) 415144-01 (PDF)
(18 pp, 352K)
    Soil 11/22/89 ICI American Inc GC/NPD 0.02 PPM
Metolachlor 413098-05 (PDF)
(27 pp, 387K)
    Soil 11/1/89 Ciba Geigy GC/MS Not specified
454996-01 (PDF)
(41 pp, 643K)
    Water 6/23/99 Novartis Crop Protection Immunoassay 0.10 PPB
447123-01 (PDF)
(29 pp, 638K)
    Water 3/20/96 Monsanto GC/MS 0.05 PPB
Metolachlor (CGA-24705) 413098-05 (PDF)
(20 pp, 405K)
    Soil 11/1/89 Ciba Geigy GC/NPD .05 PPM
Metolachlor (R) 454996-12 (PDF)
(46 pp, 770K)
    Water 8/20/01 Syngenta Crop Protection Immunoassay 0.20 PPB
Metolachlor (S) 454996-11 (PDF)
(46 pp, 759K)
    Water 8/20/01 Syngenta Crop Protection Immunoassay 0.075 PPB
Metsulfuron-Methyl (Harmony) 418217-01 (PDF)
(25 pp, 512K)
    Soil 11/17/98 E I Dupont HPLC/UV Not specified
Mevinphos 417603-01 (PDF)
(9 pp, 214K)
    Soil 12/1/90 Amvac Chemical GC/FPD .01 PPM
Milbemectin 454147-04-S (PDF)
(66 pp, 1.03MB)
    Soil 01/04/2001 Wildlife International HPLC/FLD 1.0 ug/kg
448443-34 (PDF)
(34 pp, 458K)
    Water 6/18/98 Sankyo Co., Ltd HPLC/FLD 0.005 ugLg
Molinate 414218-03 (PDF)
(7 pp, 123K)
  PDF
(14 pp, 274K)
Water 4/22/85 ICI Americas Inc GC/NPD 3 g/L
403917-06 (PDF)
(10 pp, 167K)
    Soil 4/22/85 Stauffer Chemical Co GC/ECD 0.05 PPM
Molinate (Carboxymolinate) 414218-03 (PDF)
(30 pp, 543K)
    Water 11/20/89 ICI Americas Inc GC/MSD 0.01 PPM
Molinate (Hexamethylenemine) 414218-03 (PDF)
(16 pp, 260K)
    Water 6/30/89 ICI Americas Inc GC/NPD 0.01 PPM
Molinate (S-methyl) 414218-03 (PDF)
(23 pp, 359K)
    Soil 2/15/89 ICI Americas GC/NPD 0.01 PPM
Molinate Sulfoxide 414218-03 (PDF)
(17 pp, 255K)
    Soil 9/11/89 ICI Americas Inc GC/NPD 0.05 PPM

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