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Pressure-Treated Wood Contains High Levels of Arsenic

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A just-released study by two environmental groups has found high levels of arsenic on the surface of pressure-treated wood products. The Environmental Working Group and the Healthy Building Network tested pressure-treated wood purchased from home improvement stores in 13 cities. Those chemicals are now being re-evaluated by both the Canadian and American governments. But as the Great Lakes Radio Consortium's Karen Kelly reports, the two governments are approaching the issue differently.

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