Availability of the Draft IRIS Toxicological Review of Perfluorobutanoic Acid (PFBA) and Related Compound Ammonium Perfluorobutanoic Acid; Extension of Public Comment Period

摘要

The Environmental Protection Agency (EPA) is extending the public comment period for the document titled, ``Availability of the Draft IRIS Toxicological Review of Perfluorobutanoic Acid (PFBA) and Related Compound Ammonium Perfluorobutanoic Acid.'' The original Federal Register document announcing the public comment period was published on August 23, 2021.