# Air Plan Revisions; California; Feather River Air Quality Management District
> **Rule** · Final rule. · Published 2025-03-19 · Effective 2025-04-18 · 90 FR 12688
## Document
- **Document number:** 2025-04041
- **Category:** air-emissions
- **Federal Register citation:** 90 FR 12688
- **CFR reference:** 40 CFR 52
- **Publication date:** 2025-03-19
- **Effective date:** 2025-04-18
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2024-0315
## Abstract

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the Feather River Air Quality Management District (FRAQMD or "District") portion of the California State Implementation Plan (SIP). This revision concerns recodification of certain rules to replace historical Sutter County Air Pollution Control District and Yuba County Air Pollution Control District rules with the corresponding FRAQMD rules. These rules regulate pollutants under the Clean Air Act (CAA or "Act").

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/03/19/2025-04041/air-plan-revisions-california-feather-river-air-quality-management-district)
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