Dioxins
Dioxins
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NPR's Jon Hamilton reports although it's been expected that federal agencies would classify dioxin as a known cancer-causing agent, a lawsuit has delayed the official declaration for now. Dioxin is one of the best-studied chemicals in science, and much is known about its risks. Still, thirty-years after its use in a herbicide in the Vietnam conflict, debate rages over how to regulate its use in industry.