# Revisions to the California State Implementation Plan, Sacramento Metropolitan Air Quality Management District
> **Rule** · Direct final rule. · Published 2012-08-09 · Effective 2012-10-09 · 77 FR 47535
## Document
- **Document number:** 2012-19315
- **Category:** air-emissions
- **Federal Register citation:** 77 FR 47535
- **CFR reference:** 40 CFR 52
- **Publication date:** 2012-08-09
- **Effective date:** 2012-10-09
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2012-0311
## Abstract

EPA is taking direct final action to approve revisions to the Sacramento Metropolitan Air Quality Management District 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 helps regulate VOCs under the Clean Air Act, as amended (CAA or the Act).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/08/09/2012-19315/revisions-to-the-california-state-implementation-plan-sacramento-metropolitan-air-quality-management)
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