# Revisions to the California State Implementation Plan, San Diego County Air Pollution Control District
> **Rule** · Direct final rule. · Published 2010-09-17 · Effective 2010-11-16 · 75 FR 56889
## Document
- **Document number:** 2010-23128
- **Category:** air-emissions
- **Federal Register citation:** 75 FR 56889
- **CFR reference:** 40 CFR 52
- **Publication date:** 2010-09-17
- **Effective date:** 2010-11-16
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2010-0569
## Abstract

EPA is taking direct final action to approve revisions to the San Diego County Air Pollution Control District (SDCAPCD) portion of the California State Implementation Plan (SIP). This revision concerns the definition of volatile organic compound (VOC). 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/2010/09/17/2010-23128/revisions-to-the-california-state-implementation-plan-san-diego-county-air-pollution-control)
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