EPA Method 645

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EPA Method 645:
The Determination of Certain Amine Pesticides and Lethane in Municipal and Industrial Wastewater

The amine pesticides and lethane are removed from the sample matrix by extraction with methylene chloride. The extract is dried, exchanged into hexane, and analyzed by gas chromatography. Column chromatography is used as necessary to eliminate interferences which may be encountered. Measurement of the pesticides is accomplished with a nitrogen/phosphorous specific detector.

This method covers the determination of certain amine pesticides and lethane in municipal and industrial wastewater.

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