# Revisions to the California State Implementation Plan, San Joaquin Valley Unified Air Pollution Control District and Santa Barbara County Air Pollution Control District
> **Rule** · Direct final rule. · Published 2009-08-28 · Effective 2009-10-27 · 74 FR 44291
## Document
- **Document number:** E9-20804
- **Category:** air-emissions
- **Federal Register citation:** 74 FR 44291
- **CFR reference:** 40 CFR 52
- **Publication date:** 2009-08-28
- **Effective date:** 2009-10-27
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2009-0385
## Abstract

EPA is taking direct final action to approve revisions to the San Joaquin Valley Unified Air Pollution Control District (SJVUAPCD) and Santa Barbara County Air Pollution Control District (SBCAPCD) portions of the California State Implementation Plan (SIP). Under authority of the Clean Air Act as amended in 1990 (CAA or the Act), we are approving these local rules that address changes for clarity and consistency.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/08/28/E9-20804/revisions-to-the-california-state-implementation-plan-san-joaquin-valley-unified-air-pollution)
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