Analysis: Despite advances, U.S. EPA's chemical-assessment tools need improvement

10/22/2013 | Chemical & Engineering News

Chemical assessment tools used by the U.S. Environmental Protection Agency are evolving, but there is room for improvement, according to this analysis. For example, the agency's ToxCast computational modeling tool mainly uses assays that were designed for discovering drugs instead of assessing chemical hazards, although scientists have had some success developing "fit for purpose" assays. A new program, ExpoCast, is aimed at measuring chemical exposures, which the EPA has had difficulty assessing in the past.

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