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A summary of pesticide residue data from the Alberta treated water survey, 1995-2003

Description

Pesticide residues in aquatic environments in Alberta were relatively poorly documented until recently. Although pesticides had been analyzed for environmental samples since the early 1970s, and... More ≫

Description

Pesticide residues in aquatic environments in Alberta were relatively poorly documented until recently. Although pesticides had been analyzed for environmental samples since the early 1970s, and in treated water supplies since 1978, detection limits were high and few pesticides were detected. Recently, new analytical instrumentation has enabled a 1-2 order of magnitude reduction in detection levels, resulting in information on pesticides in treated water supplies that was not available before.

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