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On February 8, 2024, the Environmental Protection Agency (EPA) published two proposed rules that would expand its regulatory authority over PFAS: one to list nine PFAS as hazardous constituents subject to the Resource Conservation and Recovery Act (“RCRA”) corrective action program (the “PFAS Constituent Rule”) and another to expand the regulatory definition of RCRA hazardous waste to address PFAS releases from RCRA-permitted solid waste management units (the “Definition Rule”).

The EPA (or “Agency”) is seeking public input and data regarding the potential future designation of seven per- and polyfluoroalkyl substances (“PFAS”) under the Comprehensive Environmental Response, Compensation, and Liability Act (“CERCLA”).

The Environmental Protection Agency (“EPA”) issued a long-anticipated proposal to designate two per- and polyfluoroalkyl substances (“PFAS”) as hazardous substances under the federal Superfund law known as the Comprehensive Environmental Response, Compensation, and Liability Act (“CERCLA”).

On March 28, 2022, the Environmental Protection Agency (“EPA”) published its Final Strategic Plan (“Strategic Plan”) setting forth the agency’s priorities over the next four years based on seven strategic goals focused on the protection of the environment and human health.

In the latest development surrounding PFAS, EPA has published a direct final rule endorsing use of the newly updated ASTM E1527-21 standard for Phase I Environmental Site Assessments (“Phase Is”).

Several environmental groups recently filed a suit (the “Complaint”) challenging two EPA rules (the “PFAS rules”) that added a total of 175 PFAS chemicals to the list of toxic chemicals subject to reporting under what is commonly known as the Toxics Release Inventory (“TRI”).

On October 25, 2021, the Environmental Protection Agency (“EPA”) released a final human health toxicity assessment for two PFAS substances — hexafluoropropylene oxide dimer acid and its ammonium salt — also known as “GenX chemicals.”

In 2021, there was sustained and fast-paced executive action from the Biden administration focused on emphasizing and addressing the environmental and human health effects of per- and poly-fluoroalkyl substances, more commonly known as “PFAS.”

The Environmental Protection Agency (“EPA”) launched its PFAS Strategic Roadmap: EPA’s Commitments to Action 2021-2024 (the “Roadmap”) on October 18, 2021.