Air Plan Approval; California; South Coast Air Quality Management District

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 Part 52 [EPA-R09-OAR-2023-0494; FRL-11442-02-R9] AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule. SUMMARY: The Environmental Protection Agency (EPA) is taking final action on a revision to the South Coast Air Quality Management District (SCAQMD or “the District”) portion of the California State Implementation Plan (SIP). This revision concerns the regulation of emissions of oxides of nitrogen (NO X ) and particulate matter (PM) associated with warehouses as indirect sources that attract or may attract mobile source emissions. The EPA is approving SCAQMD Rule 2305, “Warehouse Indirect Source Rule—Warehouse Actions and Investments to Reduce Emissions (WAIRE) Program,” to regulate these emission sources under the Clean Air Act (CAA or “the Act”) as a SIP strengthening. DATES: This rule is effective October 11, 2024. ADDRESSES: The EPA has established a docket for this action under Docket ID No. EPA-R09-OAR-2023-0494. All documents in the docket are listed on the https://www.regulations.gov website. Although listed in the index, some information is not publicly available, e.g., Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. Certain other material, such as copyrighted material, is not placed on the internet and will be publicly available only in hard copy form. Publicly available docket materials are available through https://w…