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EPA Extends 1,4-dioxane Comment Period

Sept. 15, 2011, 11:45 PM

The Environmental Protection Agency will extend to Nov. 15 its comment period for its draft human health assessment of 1,4-dioxane, a solvent and chemical used in the manufacture of many products, the agency will announce in a Sept. 16 Federal Register notice. In a recently released draft assessment, EPA proposed to set its first risk value designed to prevent respiratory problems the agency has found associated with 1,4-dioxane (179 DEN A-6, 9/15/11). A “listening session,” in which EPA invites interested parties to provide information that may be relevant to its assessment, will be held Oct. 18 in Arlington, ...

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