# Revisions to the California State Implementation Plan, San Joaquin Valley United Air Pollution Control District (SJVUAPCD) and South Coast Air Quality Management District (SCAQMD)
> **Rule** · Final rule. · Published 2012-11-29 · Effective 2012-12-31 · 77 FR 71129
## Document
- **Document number:** 2012-28827
- **Category:** air-emissions
- **Federal Register citation:** 77 FR 71129
- **CFR reference:** 40 CFR 52
- **Publication date:** 2012-11-29
- **Effective date:** 2012-12-31
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2012-0252
## Abstract

EPA is finalizing approval of revisions to the SJVUAPCD and SCAQMD portion of the California State Implementation Plan (SIP). This action was proposed in the Federal Register on June 21, 2012 and concerns volatile organic compound (VOC) emissions from chipping and grinding activities, and composting operations. 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/2012/11/29/2012-28827/revisions-to-the-california-state-implementation-plan-san-joaquin-valley-united-air-pollution)
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