EPA’s drinking water health advisories for PFOA, PFOS, PFBS and GenX can be found on their website. Additional PFAS are being evaluated and may be addressed as groups.
EPA is proposing to designate PFOA and PFOS, including their salts and structural isomers -- as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), also known as Superfund. Notification of Designation available here and on the EPA website.
Read the EPA press release here.