of perfluoroalkyl and polyfluoroalkyl substances as hazardous air pollutants (a) Listing (1) Initial listing Not later than 180 days after the date of enactment of this Act, the Administrator of the Environmental Protection Agency shall issue a final rule adding perfluorooctanoic acid and its salts, and perfluoroactanesulfonic acid and its salts, to the list of hazardous air pollutants under section 112(b) of the Clean Air Act ( 42 U.S.C. 7412(b) ). (2) Additional listings Not later than 5 years after the date of enactment of this Act, the Administrator of the Environmental Protection Agency shall determine whether to issue, in accordance with section 112 of the Clean Air Act ( 42 U.S.C. 7412 ), any final rules adding perfluoroalkyl and polyfluoroalkyl substances, other than those perfluoroalkyl and polyfluoroalkyl substances listed pursuant to paragraph (1), to the list of hazardous air pollutants under section 112(b) of such Act. (b) Sources categories Not later than 365 days after any final rule is issued pursuant to subsection (a), the Administrator of the Environmental Protection Agency shall revise the list under section 112(c)(1) of the Clean Air Act ( 42 U.S.C. 7412(c)(1) ) to include categories and subcategories of major sources and area sources of perfluoroalkyl and polyfluoroalkyl substances listed pursuant to such final rule. 13. Prohibition on unsafe waste incineration of PFAS Section 3004 of the Solid Waste Disposal Act ( 42 U.S.C. 6924 ) is amended by adding at the end the following new subsection: (z) PFAS wastes (1) Firefighting foam Not later than 6 months after the date of enactment of this subsection, the Administrator shall promulgate regulations requiring that when materials containing perfluoroalkyl and polyfluoroalkyl substances are disposed or are designated for disposal— (A) all incineration is conducted in a manner that eliminates perfluoroalkyl and polyfluoroalkyl substances while also minimizing perfluoroalkyl and polyfluoroalkyl substances emitted into the air to the extent feasible