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View Actual EPA Method 630 (PDF File)
EPA Method 630:The Determination of Dithiocarbamate Pesticides in Municipal and Industrial Wastewater
Summary:A measured volume of sample, approximately 1 L, is digested with acid to yield carbon disulfide by hydrolysis of the dithiocarbamate moiety. The evolved CS2 is purged from the sample and absorbed by a color reagent. The absorbance of the solution is measured at 380 and 435 nm using a UV-visible spectrophotometer.
Scope:This method covers the determination of dithiocarbamate pesticides.
Report Number:821/R-93-010-A