Reconsideration of the National Ambient Air Quality Standards for Particulate Matter; Correction

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency 40 CFR Parts 50 and 58 [EPA-HQ-OAR-2015-0072; FRL-8635.1-02-OAR] RIN 2060-AW48 AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule; correction and correcting amendment. SUMMARY: The Environmental Protection Agency (EPA) is correcting a final rule published in the Federal Register on March 6, 2024, that became effective on May 6, 2024. The final rule revised the primary annual PM 2.5 standard by lowering the level from 12.0 µg/m 3 to 9.0 µg/m 3 , retained the current primary 24-hour PM 2.5 standard and the primary 24-hour PM 10 standard, retained the secondary 24-hour PM 2.5 standard, secondary annual PM 2.5 standard, and secondary 24-hour PM 10 standard, and finalized revisions to the Air Quality Index (AQI) and monitoring requirements for the national ambient air quality standards for particulate matter (PM NAAQS). After publication, the EPA became aware of an error in the preamble text regarding the due date for infrastructure State implementation plan (infrastructure SIP) submissions for the 2024 p.m. NAAQS. With this action, the EPA is clarifying the due date for infrastructure SIP submissions for the 2024 p.m. NAAQS. The EPA is also correcting inadvertent errors in the PM 2.5 monitoring regulatory text. These corrections do not include any substantive changes to the final rule. DATES: This correction is effective on December 19, 2024. ADDRESSES: The EPA has established a docket for the final rule under Docket ID N…