# Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; 2002 Base Year Inventory for the Pittsburgh-Beaver Valley 8-Hour Ozone Nonattainment Area
> **Rule** · Final rule. · Published 2008-11-17 · Effective 2008-12-17 · 73 FR 67776
## Document
- **Document number:** E8-27210
- **Category:** air-emissions
- **Federal Register citation:** 73 FR 67776
- **CFR reference:** 40 CFR 52
- **Publication date:** 2008-11-17
- **Effective date:** 2008-12-17
- **State:** PA
- **EPA docket:** EPA-R03-OAR-2007-0453
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the Commonwealth of Pennsylvania. This revision establishes a 2002 base year inventory for the Pittsburgh-Beaver Valley, Pennsylvania, ozone nonattainment area (the Pittsburgh Area). The intended effect of this action is to approve a 2002 base year inventory for the Pittsburgh Area. This action is being taken under the Clean Air Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/11/17/E8-27210/approval-and-promulgation-of-air-quality-implementation-plans-pennsylvania-2002-base-year-inventory)
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