# Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Nonattainment New Source Review Rules
> **Rule** · Final rule. · Published 2012-05-14 · Effective 2012-06-13 · 77 FR 28261
## Document
- **Document number:** 2012-11461
- **Category:** air-emissions
- **Federal Register citation:** 77 FR 28261
- **CFR reference:** 40 CFR 52
- **Publication date:** 2012-05-14
- **Effective date:** 2012-06-13
- **State:** PA
- **EPA docket:** EPA-R03-OAR-2011-0925
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the Commonwealth of Pennsylvania on August 9, 2007. This revision pertains to the preconstruction permitting requirements of Pennsylvania's nonattainment New Source Review (NSR) program. The revision is intended to update Pennsylvania's nonattainment NSR regulations to meet EPA's 2002 NSR Reform regulations (NSR Reform), and to satisfy the requirements related to antibacksliding. Additionally, the proposed revision makes clarifying changes to regulations that are not related to NSR Reform. This action is being taken under the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/05/14/2012-11461/approval-and-promulgation-of-air-quality-implementation-plans-pennsylvania-nonattainment-new-source)
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