# Revisions to the California State Implementation Plan, Imperial County Air Pollution Control District
> **Rule** · Final rule. · Published 2013-04-22 · Effective 2013-05-22 · 78 FR 23677
## Document
- **Document number:** 2013-09307
- **Category:** air-emissions
- **Federal Register citation:** 78 FR 23677
- **CFR reference:** 40 CFR 52
- **Publication date:** 2013-04-22
- **Effective date:** 2013-05-22
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2012-0960
## Abstract

EPA is finalizing approval of revisions to the Imperial County Air Pollution Control District (ICAPCD) portion of the California State Implementation Plan (SIP). This action was proposed in the Federal Register on January 7, 2013 and concerns local rules that regulate inhalable particulate matter (PM) emissions from sources of fugitive dust such as unpaved roads and disturbed soils in open and agricultural areas in Imperial County. We are approving local rules that regulate these emission sources under the Clean Air Act (CAA or the Act).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/04/22/2013-09307/revisions-to-the-california-state-implementation-plan-imperial-county-air-pollution-control-district)
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