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Use of toxic pesticides stirs debate on LI

Dennis Glassberg, left, leads a protest against pesticides

Photo credit: James Carbone | Dennis Glassberg, left, leads a protest against pesticides outside a Suffolk legislature meeting. (Nov. 16, 2010)

Back in 1979, an insecticide that Suffolk potato farmers used to kill beetles and roundworms turned up in several private water wells.

Aldicarb is toxic in large doses, and it wasn't supposed to leach into groundwater. But it did. Today, decades after the chemical was banned here, traces still linger in the aquifers that supply local drinking water.

Concern over such persistent pollutants...

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