# Revisions to the California State Implementation Plan, Antelope Valley Air Quality Management District and San Joaquin Valley Unified Air Pollution Control District
> **Rule** · Direct final rule. · Published 2012-03-01 · Effective 2012-04-30 · 77 FR 12491
## Document
- **Document number:** 2012-4667
- **Category:** air-emissions
- **Federal Register citation:** 77 FR 12491
- **CFR reference:** 40 CFR 52
- **Publication date:** 2012-03-01
- **Effective date:** 2012-04-30
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2012-0020
## Abstract

EPA is taking direct final action to approve revisions to the Antelope Valley Air Quality Management District (AVAQMD) and San Joaquin Valley Unified Air Pollution Control District (SJVUAPCD) portions of the California State Implementation Plan (SIP). These revisions concern negative declarations for volatile organic compound (VOC) and oxides of sulfur source categories for the AVAQMD and SJVUAPCD. We are approving these negative declarations under the Clean Air Act as amended in 1990 (CAA or the Act).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/03/01/2012-4667/revisions-to-the-california-state-implementation-plan-antelope-valley-air-quality-management)
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