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EPA Designates PFOA and PFOS as CERCLA Hazardous Substances

On April 19, 2024, EPA announced its highly anticipated final rule designating two polyfluoroalkyl substances ("PFAS")—perfluorooctanoic acid ("PFOA") and perfluorooctanesulfonic acid ("PFOS")—as "hazardous substances" under...more

EPA's PFAS Reporting Rule Requires Broad Retroactive Disclosure of PFAS Data

The Situation: In 2019, Congress amended the Toxic Substances Control Act ("TSCA") to require the Environmental Protection Agency ("EPA") to promulgate a reporting rule on per- and polyfluoroalkyl substances ("PFAS"). EPA...more

EPA Proposes Standards to Limit Certain PFAS Substances in Drinking Water

On March 14, 2023, the EPA took a step toward imposing federal limits on certain per- and polyfluoroalkyl substances in drinking water under the Safe Drinking Water Act. The United States Environmental Protection Agency...more

EPA Issues Guidance Addressing Discharges of PFAS

In Short - The Situation: The Environmental Protection Agency's ("EPA") new guidance memorandum to states provides direction on how they can use the National Pollutant Discharge Elimination System ("NPDES") permitting...more

EPA Proposes Designating PFOA and PFOS as Hazardous Substances Under CERCLA

The EPA announced on August 26, 2022, a proposed rulemaking that would designate perfluorooctanoic acid ("PFOA") and perfluorooctanesulfonic acid ("PFOS"), including their salts and structural isomers, as hazardous substances...more

Regulators in the United States and Europe Move to Restrict PFAS in Products and Wastes

The Background: In recent years, the scientific and regulatory communities have paid increasing attention to per- and polyfluoroalkyl substances ("PFAS"), which have been common components for decades in consumer and...more

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