# Air Plan Approval; California; San Joaquin Valley Unified Air Pollution Control District
> **Rule** · Final rule. · Published 2026-01-06 · Effective 2026-02-05 · 91 FR 336
## Document
- **Document number:** 2026-00005
- **Category:** air-emissions
- **Federal Register citation:** 91 FR 336
- **CFR reference:** 40 CFR 52
- **Publication date:** 2026-01-06
- **Effective date:** 2026-02-05
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2025-0300
## Abstract

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the San Joaquin Valley Unified Air Pollution Control District (SJVUAPCD or "District") portion of the California State Implementation Plan (SIP) concerning a rule submitted to address section 185 of the Clean Air Act (CAA or the "Act") with respect to the revoked 1997 8-hour ozone National Ambient Air Quality Standards (NAAQS or "standard"). We are approving this local rule that was submitted as an equivalent alternative to a statutory section 185 program.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2026/01/06/2026-00005/air-plan-approval-california-san-joaquin-valley-unified-air-pollution-control-district)
---
*AI Analytics · CC0 1.0*