# Revisions to the California State Implementation Plan, Imperial County Air Pollution Control District
> **Rule** · Direct final rule. · Published 2007-01-03 · Effective 2007-03-05 · 72 FR 9
## Document
- **Document number:** E6-22420
- **Category:** air-emissions
- **Federal Register citation:** 72 FR 9
- **CFR reference:** 40 CFR 52
- **Publication date:** 2007-01-03
- **Effective date:** 2007-03-05
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2005-CA-0011, FRL-8259-9
## Abstract

EPA is taking direct final action to approve revisions to the Imperial County Air Pollution Control District (ICAPCD) portion of the California State Implementation Plan (SIP). These revisions concern the permitting of air pollution sources. We are approving local rules under authority of the Clean Air Act as amended in 1990 (CAA or the Act).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/01/03/E6-22420/revisions-to-the-california-state-implementation-plan-imperial-county-air-pollution-control-district)
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