Hazardous air pollutant monitoring

(a) In general Not later than 2 years after the date of enactment of this Act, for the purposes of improving the quality of the national emissions inventory and advancing public access to information, the Administrator shall, after public notice and a public comment period of not less than 60 days, amend subpart A of part 51 of title 40, Code of Federal Regulations, to update and expand the requirements under that subpart to require all major and non-major sources to report additional emissions data, including emissions of hazardous air pollutants, perfluoroalkyl substances, and polyfluoroalkyl substances. (b) Minimum requirements The amendment required under subsection (a) shall, at a minimum— (1) contain all amendments described in the proposed rule of the Environmental Protection Agency entitled Revisions to the Air Emissions Reporting Requirements (88 Fed. Reg. 54118 (August 9, 2023)); (2) ensure reporting of emissions during periods of malfunction of the source; and (3) consistent with the proposal to require reporting of emissions of perfluoroalkyl substances and polyfluoroalkyl substances in the rule described in paragraph (1), require, in the reporting cycle immediately following the date on which a pollutant is listed as a hazardous air pollutant, the reporting of emissions of that pollutant. (c) Effective date The amendment required under subsection (a) shall take effect for the first inventory year that begins after that amendment is finalized.