# Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Revision to Pittsburgh-Beaver Valley Area Ozone Maintenance Plan
> **Rule** · Direct final rule. · Published 2003-08-05 · Effective 2003-10-06 · 68 FR 46099
## Document
- **Document number:** 03-19739
- **Category:** air-emissions
- **Federal Register citation:** 68 FR 46099
- **CFR reference:** 40 CFR 52
- **Publication date:** 2003-08-05
- **Effective date:** 2003-10-06
- **State:** PA
- **EPA docket:** PA206-4212a
## Abstract

EPA is taking direct final action to approve revisions to the Pennsylvania State Implementation Plan. The revisions consist of an amendment to the contingency measures portion of the maintenance plan for the Pittsburgh-Beaver Valley ozone maintenance area. EPA is approving these revisions to Pennsylvania SIP in accordance with the requirements of the Clean Air Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/08/05/03-19739/approval-and-promulgation-of-air-quality-implementation-plans-pennsylvania-revision-to)
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