Data / Federal rules / 2024-25946

Air Plan Approval and Attainment Date Extension; 1997 Annual Fine Particulate Matter Nonattainment Area; San Joaquin Valley, California

The Environmental Protection Agency published this final rule in the Federal Register on November 19, 2024. It took effect on December 19, 2024.

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What the agency says

The Environmental Protection Agency (EPA) is finalizing approval of a state implementation plan (SIP) revision submitted by the State of California to meet Clean Air Act (CAA or "Act") requirements for the 1997 fine particulate matter (PM<INF>2.5</INF>) national ambient air quality standards (NAAQS or "standards") in the San Joaquin Valley "Serious" nonattainment area. The EPA is also finalizing a one-year extension of the applicable attainment date from December 31, 2023, to December 31, 2024, for the 1997 annual PM<INF>2.5</INF> San Joaquin Valley, California, nonattainment area based on our evaluation of air quality monitoring data and the extension request and supporting information submitted by the State of California.

Key facts

Document number: 2024-25946
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: November 19, 2024
Takes effect: December 19, 2024
Dates: This rule is effective on December 19, 2024.
Docket: EPA-R09-OAR-2024-0250 and EPA-R09-OAR-2024-0301; FRL-12006-02-R9
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Ammonia; Environmental protection; Incorporation by reference; Intergovernmental relations; Nitrogen oxides; Particulate matter; Reporting and recordkeeping requirements; Sulfur oxides; Volatile organic compounds
Pages: 7

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on ammonia · Rules on environmental protection · Published in November 2024

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.