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Index of Environmental Chemistry Methods (ECM) - N

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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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N

Analyte(s) by Pesticide MRID EPA Review Matrix Method Date Registrant Analysis Limit of Quantitation
(LOQ)
Environmental Chemistry Method Independent Laboratory Validation
Naled 404941-01 (PDF)
(6 pp, 110K)
    Soil 1/1/88 Chevron Chemical Co GC/NPD .01 PPM
404941-01 (PDF)
(6 pp, 98K)
    Water 1/1/88 Chevron Chemical Co GC/NPD 1 PPB
Napropamide 415753-04 (PDF)
(30 pp, 472K)
    Soil 2/1/89 ICI Americas Inc GC/NPD .01 PPM
450742-02 (PDF)
(20 pp, 376K)
    soil 2/3/00 Zeneca Ag products GC/NPD 0.01 PPM
436595-02 (PDF)
(24 pp, 663K)
    Water 1/1/94 US Geological Survey GC/MS .05 PPM
450742-01 (PDF)
(15 pp, 354K)
    Water 2/3/00 Zeneca Ag Products GC/NPD 0.1 ug/L
Naptalam 400691-01 (PDF)
(11 pp, 204K)
    Soil 1/1/87 Uniroyal Chemical Co HPLC/ELCD 0.1 PPM
Nicosulfuron & Degradates 43023102 (PDF)
(11 pp, 494K)
  PDF
(30 pp, 971K)
Soil 4/19/90 E. I. du Pont de Nemours & Co. Inc. LC/MS 20 g/kg
Nicosulfuron 43023103 (PDF)
(7 pp, 383K)
  PDF
(40 pp, 2.32MB)
Water 9/11/91 E. I. du Pont de Nemours & Co. Inc. LC/UV 0.07 g/L
43601701 (PDF)
(17 pp, 462K)
    Soil/Water 3/9/95 E I Dupont Immunoassay 0.5 g/L
Norflurazon 407667-01 (PDF)
(11 pp, 180K)
    Soil/Water 11/1/86 Sandoz Crop Protection GC/ECD .01 PPM

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