Data / Federal rules / 2025-17038

Revisions to the Clean Air Act Operating Permit Program; California; San Diego County Air Pollution Control District

The Environmental Protection Agency published this proposed rule in the Federal Register on September 5, 2025. Comments closed on October 6, 2025.

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What the agency says

The Environmental Protection Agency (EPA) is proposing approval of revisions to the Clean Air Act (CAA or "Act") Operating Permit Program (title V) of the San Diego County Air Pollution Control District (SDCAPCD or "District") in California. Once approved, these revisions will update the District's public noticing requirements to conform to current federal requirements for title V programs. We are taking comments on these proposed revisions and are simultaneously publishing our final action approving these revisions in a direct final rule.

Key facts

Document number: 2025-17038
Type: Proposed rule
Action: Proposed rule
Agency: Environmental Protection Agency
Published: September 5, 2025
Comments due: October 6, 2025
Dates: Written comments must be received on or before October 6, 2025.
Docket: EPA-R09-OAR-2025-0038; FRL-12574-01-R9
Code of Federal Regulations: 40 CFR 70
Topics: Administrative practice and procedure; Air pollution control; Environmental protection; Intergovernmental relations; Reporting and recordkeeping requirements
Pages: 2

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on administrative practice and procedure · Rules on air pollution control · Rules on environmental protection · Published in September 2025

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.