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Chemical Week Magazine :: Regulatory

EPA Rejects Request to Approve Residential Use of Acid Copper Chromate

10:54 AM MDT | July 23, 2007 | Kara Sissell

EPA says it has denied an industry petition seeking approval of wood preservative acid copper chromate for residential uses, due to concerns about human exposure to the known carcinogen hexavalent chromium, an ingredient in the preservative. Acid copper chromate is still approved for industrial applications, including railroad ties and telephone poles, however. Residential use application poses more concerns than industrial use due to increased potential for human exposure, EPA says. Manufacturers include petitioner Forest Products Research Lab (Princes...

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