# Revision to the California State Implementation Plan; Yolo-Solano Air Quality Management District
> **Rule** · Direct final rule. · Published 2011-09-08 · Effective 2011-11-07 · 76 FR 55581
## Document
- **Document number:** 2011-22975
- **Category:** air-emissions
- **Federal Register citation:** 76 FR 55581
- **CFR reference:** 40 CFR 52
- **Publication date:** 2011-09-08
- **Effective date:** 2011-11-07
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2011-0594
## Abstract

EPA is taking direct final action to approve a revision to the Yolo-Solano Air Quality Management District portion of the California State Implementation Plan (SIP). This revision concerns volatile organic compound (VOC) emissions from expandable polystyrene product manufacturing operations. We are approving a local rule that regulates these emission sources under the Clean Air Act as amended in 1990 (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/09/08/2011-22975/revision-to-the-california-state-implementation-plan-yolo-solano-air-quality-management-district)
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