# Revisions to the California State Implementation Plan, South Coast Air Quality Management District (SCAQMD)
> **Rule** · Final rule. · Published 2012-09-04 · Effective 2012-10-04 · 77 FR 53773
## Document
- **Document number:** 2012-21563
- **Category:** air-emissions
- **Federal Register citation:** 77 FR 53773
- **CFR reference:** 40 CFR 52
- **Publication date:** 2012-09-04
- **Effective date:** 2012-10-04
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2012-0236
## Abstract

EPA is finalizing approval of a revision to the SCAQMD portion of the California State Implementation Plan (SIP). This action was published on June 1, 2012 and concerns particulate matter (PM) emissions from cement manufacturing facilities. We are approving a local rule that regulates this emission source under the Clean Air Act as amended in 1990 (CAA or the Act).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/09/04/2012-21563/revisions-to-the-california-state-implementation-plan-south-coast-air-quality-management-district)
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