# Revisions to the California State Implementation Plan, Imperial County Air Pollution Control District and Monterey Bay Unified Air Pollution Control District
> **Rule** · Direct final rule. · Published 2003-01-31 · Effective 2003-04-01 · 68 FR 4929
## Document
- **Document number:** 03-2174
- **Category:** air-emissions
- **Federal Register citation:** 68 FR 4929
- **CFR reference:** 40 CFR 52
- **Publication date:** 2003-01-31
- **Effective date:** 2003-04-01
- **State:** CA
- **EPA docket:** CA 273-0370a
## Abstract

EPA is taking direct final action to approve revisions to the Imperial County Air Pollution Control District (ICAPCD) and the Monterey Bay Unified Air Pollution Control District (MBUAPCD) portions of the California State Implementation Plan (SIP). The ICAPCD revision concerns the emission of particulate matter (PM-10) from agricultural burning. The MBUAPCD revision concerns the emission of PM-10 from incinerator burning. We are approving the local rules that regulate 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/2003/01/31/03-2174/revisions-to-the-california-state-implementation-plan-imperial-county-air-pollution-control-district)
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