; or (ii) to not commence developing effluent limitations guidelines and standards for those point source categories and entities, including an explanation of the reasoning for this determination. (B) Requirement Any effluent limitations guidelines and standards for the point source categories and entities listed in paragraph (1)(B) shall be published in the Federal Register by not later than December 31, 2027. (d) Method promulgation Subject to the requirements of subchapter II of chapter 5 of title 5, United States Code (commonly referred to as the Administrative Procedure Act ), not later than January 31, 2025, the Administrator shall promulgate Method 1633, as described in the document of the Environmental Protection Agency entitled Method 1633 Analysis of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous, Solid, Biosolids, and Tissue Samples by LC-MS/MS and dated January 2024 (or a successor method), under part 136 of title 40, Code of Federal Regulations (or successor regulations). (e) Notification The Administrator shall notify the Committee on Transportation and Infrastructure of the House of Representatives and the Committee on Environment and Public Works of the Senate of each publication made under this section. (f) Pretreatment program (1) In general Subject to the availability of appropriations, the Administrator shall award grants to owners and operators of publicly owned treatment works— (A) to carry out pretreatment program activities conducted in accordance with part 403 of title 40, Code of Federal Regulations (or successor regulations), that address contamination by perfluoroalkyl substances and polyfluoroalkyl substances