Availability of the Draft IRIS Toxicological Review of Perfluorohexane Sulfonate (PFHxS) and Related Salts

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The Environmental Protection Agency (EPA) is announcing a 60- day public comment period associated with release of the draft IRIS Toxicological Review of Perfluorohexane Sulfonate (PFHxS) and Related Salts. The draft assessment was prepared by the Center for Public Health and Environmental Assessment (CPHEA) within EPA's Office of Research and Development (ORD). EPA is releasing this draft IRIS assessment for public comment in advance of a contractor-led peer review. Public comments received will be provided to the external peer reviewers. ERG, a contractor to EPA, will convene a public meeting to discuss the draft report during Step 4 of the IRIS Process. The external peer reviewers will consider public comments submitted in response to this notice and those provided at the public meeting when reviewing this assessment. EPA will consider all comments received when revising the assessment post-peer review. This draft assessment is not final as described in EPA's information quality guidelines, and it does not represent, and should not be construed to represent Agency policy or views.