Data / Federal rules / 2024-02082

Air Plan Disapproval; California; Los Angeles-South Coast Air Basin; 1997 8-Hour Ozone

The Environmental Protection Agency published this proposed rule in the Federal Register on February 2, 2024. Comments closed on March 4, 2024.

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What the agency says

The Environmental Protection Agency (EPA) is proposing to disapprove a state implementation plan (SIP) revision submitted by the State of California to meet a Clean Air Act (CAA) requirement for the 1997 8-hour ozone national ambient air quality standards (NAAQS or "standards") in the Los Angeles-South Coast Air Basin, California ozone nonattainment area ("South Coast"). This submission, titled "Final Contingency Measure Plan--Planning for Attainment of the 1997 80 ppb 8-hour Ozone Standard in the South Coast Air Basin," ("Contingency Measure Plan" or "Plan"), addresses the CAA requirements for the submission of contingency measures that will be implemented if emissions reductions from anticipated technologies associated with the area's 1997 ozone NAAQS attainment demonstration are not achieved. We are taking comments on this proposal and plan to follow with a final action.

Key facts

Document number: 2024-02082
Type: Proposed rule
Action: Proposed rule
Agency: Environmental Protection Agency
Published: February 2, 2024
Comments due: March 4, 2024
Dates: Comments must be received on or before March 4, 2024.
Docket: EPA-R09-OAR-2023-0626; FRL-11614-01-R9
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Nitrogen dioxide; Ozone; Reporting and recordkeeping requirements; Volatile organic compounds
Pages: 8

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on environmental protection · Rules on incorporation by reference · Published in February 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.