# Revisions to the California State Implementation Plan, Imperial County Air Pollution Control District
> **Rule** · Direct final rule. · Published 2003-02-26 · Effective 2003-04-28 · 68 FR 8839
## Document
- **Document number:** 03-4376
- **Category:** air-emissions
- **Federal Register citation:** 68 FR 8839
- **CFR reference:** 40 CFR 52
- **Publication date:** 2003-02-26
- **Effective date:** 2003-04-28
- **State:** CA
- **EPA docket:** CA273-0381a
## Abstract

EPA is taking direct final action to approve a revision to the Imperial County Air Pollution Control District (ICAPCD) portion of the California State Implementation Plan (SIP). The revision concerns a rule controlling particulate matter (PM) emissions from livestock feed yard operations. 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/2003/02/26/03-4376/revisions-to-the-california-state-implementation-plan-imperial-county-air-pollution-control-district)
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