# Revisions to the California State Implementation Plan, Great Basin Unified Air Pollution Control District and Kern County Air Pollution Control District
> **Rule** · Direct final rule. · Published 2008-12-05 · Effective 2009-02-03 · 73 FR 74029
## Document
- **Document number:** E8-28732
- **Category:** air-emissions
- **Federal Register citation:** 73 FR 74029
- **CFR reference:** 40 CFR 52
- **Publication date:** 2008-12-05
- **Effective date:** 2009-02-03
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2007-0290, FRL-8745-6
## Abstract

EPA is taking direct final action to approve revisions to the Great Basin Unified Air Pollution Control District (GBUAPCD) and Kern County Air Pollution Control District (KCAPCD) portions of the California State Implementation Plan (SIP). Under authority of the Clean Air Act as amended in 1990 (CAA or the Act), we are approving local rules that address permitting.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/12/05/E8-28732/revisions-to-the-california-state-implementation-plan-great-basin-unified-air-pollution-control)
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