Data / Federal rules / 2025-05375

Air Plan Revision; California; Placer County Air Pollution Control District; New Source Review

The Environmental Protection Agency published this proposed rule in the Federal Register on April 2, 2025. Comments closed on May 2, 2025.

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What the agency says

The Environmental Protection Agency (EPA) is proposing to approve a revision to the Placer County Air Pollution Control District (PCAPCD or "District") portion of the California State Implementation Plan (SIP). This revision concerns the District's Clean Air Act (CAA or "Act") nonattainment new source review permitting program that regulates construction and modifications of major stationary sources of air pollution in nonattainment areas. We are proposing to approve a local rule that has been revised to address deficiencies previously identified by the EPA in a prior action that included a limited approval/limited disapproval of a prior version of the rule. We are taking comments on this proposal and plan to follow with a final action. Elsewhere in this Federal Register, we are making an interim final determination that will defer the imposition of CAA sanctions associated with our previous limited disapproval.

Key facts

Document number: 2025-05375
Type: Proposed rule
Action: Proposed rule
Agency: Environmental Protection Agency
Published: April 2, 2025
Comments due: May 2, 2025
Dates: Comments must be received on or before May 2, 2025.
Docket: EPA-R09-OAR-2024-0620; FRL-12530-01-R9
Code of Federal Regulations: 40 CFR 52
Topics: Administrative practice and procedure; Air pollution control; Ammonia; Environmental protection; Incorporation by reference; Intergovernmental relations; Nitrogen oxides; Ozone; Particulate matter; Reporting and recordkeeping requirements; Sulfur oxides; Volatile organic compounds
Pages: 4

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 ammonia · Published in April 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.