Occurrence of Lawn Care and Agricultural Pesticides in the Don and Humber River Watersheds (1998-2002)
Description: In 1998, a study of the Don and Humber River watersheds was initiated to determine the concentrations of pesticides in surface water with a particular focus on those used in lawn care. Water samples were collected and analyzed for up to 152 pesticide active ingredients and eight metabolites, including phenoxy acid herbicides, organophosphorus insecticides, and other pesticides associated with lawn care use.
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