In the May 8, 2024 Federal Register (Fed Reg_PFAS as CERCLA Haz Waste_2024-05-08), EPA published the final rule designating PFOA and PFOS as hazardous substances under the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA, known as Superfund).
Link to April 17, 2024, AWWA article on the legislation introduced regarding designation of PFOA and PFOS as CERCLA hazardous substances:
Background. In September 2022, EPA published a proposal to designate PFOA and PFOS as hazardous substances under the Comprehensive Environmental Response, Compensation and Lability Act (CERCLA, known as Superfund). CERCLA authorizes EPA to designate compounds as hazardous that “may present substantial danger to the public health or welfare or the environment.” Public comment deadline was November 7, 2022. In April 2024, EPA posted a copy the pre-publication Federal Register notice with the final determination to designate PFOA and PFOS as hazardous substances under CERCLA.