Approved Drinking Water Methods for Pesticide Active Ingredients
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These methods are approved for Clean Water Act compliance monitoring. The methods are approved for use with the Pesticide Chemicals Effluent Guidelines, 40 CFR Part 455.
- Refer to 40 CFR 136.3, Table I-G.
- They are not approved for monitoring under 40 CFR Part 141 (Safe Drinking Water Act).
- 525.1: Determination of Organic Compounds in Drinking Water by Liquid-Solid Extraction and Capillary Column Gas Chromatography/Mass Spectrometry; Rev 2.2 (pdf)
- 548: Determination of Endothall in Drinking Water by Aqueous Derivatization, Liquid-Solid Extraction and Gas Chromatography with Electron-Capture Detection (pdf)
- 553: Determination of Benzidines and Nitrogen-Containing Pesticides in Water by Liquid-Liquid Extraction or Liquid-Solid Extraction and Reverse Phase High Performance Liquid Chromatography/Particle Beam/Mass Spectrometry; Rev. 1.1 (pdf)