# Air Plan Revisions; California; Sacramento Air Quality Management District
> **Rule** · Final rule. · Published 2024-03-06 · Effective 2024-04-05 · 89 FR 15962
## Document
- **Document number:** 2024-04708
- **Category:** air-emissions
- **Federal Register citation:** 89 FR 15962
- **CFR reference:** 40 CFR 52
- **Publication date:** 2024-03-06
- **Effective date:** 2024-04-05
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2023-0588
## Abstract

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the Sacramento Metropolitan Air Quality Management District (SMAQMD) portion of the California State Implementation Plan (SIP). This revision concerns a rule submitted to address section 185 of the Clean Air Act (CAA or the Act).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2024/03/06/2024-04708/air-plan-revisions-california-sacramento-air-quality-management-district)
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