# Approval and Promulgation of Air Quality Implementation Plans; Michigan; PSD and NSR Regulations
> **Rule** · Final rule. · Published 2012-09-12 · Effective 2012-10-12 · 77 FR 56124
## Document
- **Document number:** 2012-22328
- **Category:** air-emissions
- **Federal Register citation:** 77 FR 56124
- **CFR reference:** 40 CFR 52
- **Publication date:** 2012-09-12
- **Effective date:** 2012-10-12
- **State:** MI
- **EPA docket:** EPA-R05-OAR-2011-0826
## Abstract

EPA is approving specified revisions to Michigan's State Implementation Plan (SIP) that EPA has determined are consistent with the Federal requirements of the prevention of significant deterioration (PSD) construction permit program for the purpose of meeting the requirements of the Clean Air Act (CAA) with regard to new source review (NSR) in Class I areas attaining the National Ambient Air Quality Standards.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/09/12/2012-22328/approval-and-promulgation-of-air-quality-implementation-plans-michigan-psd-and-nsr-regulations)
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