# Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Revision to the Motor Vehicle Enhanced I/M Program-Philadelphia, Pittsburgh, South Central, and Northern Regions and Safety Inspection Program Enhancements for Non-I/M Regions
> **Rule** · Final rule. · Published 2005-10-06 · Effective 2005-11-07 · 70 FR 58313
## Document
- **Document number:** 05-20003
- **Category:** air-emissions
- **Federal Register citation:** 70 FR 58313
- **CFR reference:** 40 CFR 52
- **Publication date:** 2005-10-06
- **Effective date:** 2005-11-07
- **State:** PA
- **EPA docket:** R03-OAR-2004-PA-0001, R03-OAR-2004-PA-0002
## Abstract

EPA is approving several State Implementation Plan (SIP) revisions submitted by the Commonwealth of Pennsylvania. These revisions amend Pennsylvania`s existing, Federally-approved enhanced vehicle inspection and maintenance program (or I/M program) SIP. EPA is herein taking a single final rulemaking action to finalize two separately issued proposed rulemakings on the subject of Pennsylvania's I/M program. The intended effect of this combined final action is to approve the Commonwealth's revised I/M program SIP for the Philadelphia, Pittsburgh, South Central and Northern Regions. This action also serves to incorporate into the SIP a visual emission component inspection program done under the Commonwealth's annual safety inspection program in those 42 counties of Pennsylvania not subject to Federal I/M program requirements.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/10/06/05-20003/approval-and-promulgation-of-air-quality-implementation-plans-pennsylvania-revision-to-the-motor)
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