Soil & Water Multiresidue Screen

A Combination of Four Modified EPA Methods

Multiresidue Screen in Soil and Water

These profiles are a combination of two Modified EPA methods: EPA 8270D (GC-MS/MS) and EPA 8321B (LC-MS/MS). They include over 230 pesticides comprised of organochlorine, organophosphorous, organonitrogen and n-methyl carbamates. It is designed to comply with Oregon DEQ Guidance for Evaluating Residual Pesticides on Lands Formerly Used for Agricultural Production (DEQ-06-LQ-011) and for other environmental screening purposes.

EPA Methods Involving Pesticides

Analytes     EPA Method

Glyphosate in Water     547

Diquat and Paraquat in Water     549.1

Organochlorine Pesticides     8081B

Organophosphorous Pesticides     8141B

Dithiocarbamate Pesticides in Water     630.1

Carbamate and Urea Pesticides in Water     8321B

Chlorinated Herbicides     8151A, 8321B

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