EPA published a 60-day public comment period on September 30, 2010 (75 FR 60454) for the external review draft human health assessment titled, "Toxicological Review of Hexavalent Chromium: In Support of Summary Information on the Integrated Risk Information System (IRIS)'' EPA/635/R-10/004C. We are extending the public comment period 30 days at the request of the American Chemistry Council (ACC). The draft assessment was prepared by the National Center for Environmental Assessment (NCEA) within the EPA Office of Research and Development (ORD). EPA released this draft assessment solely for the purpose of pre-dissemination peer review under applicable information quality guidelines.

Document ID: EPA-HQ-ORD-2010-0540-0005
Document Type: NOTICES
Docket ID: EPA-HQ-ORD-2010-0540

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