# Revisions to the California State Implementation Plan, San Joaquin Valley Unified Air Pollution Control District
> **Rule** · Direct final rule. · Published 2004-02-17 · Effective 2004-04-19 · 69 FR 7370
## Document
- **Document number:** 04-3220
- **Category:** air-emissions
- **Federal Register citation:** 69 FR 7370
- **CFR reference:** 40 CFR 52
- **Publication date:** 2004-02-17
- **Effective date:** 2004-04-19
- **State:** CA
- **EPA docket:** CA 295-0434a
## Abstract

EPA is taking direct final action to approve a revision to the San Joaquin Valley Unified Air Pollution Control District (SJVUAPCD) portion of the California State Implementation Plan (SIP). This revision concerns oxides of nitrogen (NO<INF>X</INF>) emissions from residential water heaters. We are approving a local rule that regulates these emission sources under the Clean Air Act as amended in 1990 (CAA or the Act).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/02/17/04-3220/revisions-to-the-california-state-implementation-plan-san-joaquin-valley-unified-air-pollution)
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