# Approval and Promulgation of Air Quality Implementation Plans; Michigan; PSD Regulations
> **Rule** · Direct final rule. · Published 2010-09-27 · Effective 2010-11-26 · 75 FR 59081
## Document
- **Document number:** 2010-23987
- **Category:** air-emissions
- **Federal Register citation:** 75 FR 59081
- **CFR reference:** 40 CFR 52
- **Publication date:** 2010-09-27
- **Effective date:** 2010-11-26
- **State:** MI
- **EPA docket:** EPA-R05-OAR-2010-0657
## Abstract

EPA is taking direct final action to approve revisions to the Michigan State Implementation Plan (SIP). The revisions serve to meet specific requirements of the prevention of significant deterioration (PSD) construction permit program under the Federal Clean Air Act (CAA). This program affects major stationary sources in Michigan that are subject to or potentially subject to the PSD construction permit program. On July 16, 2010, Michigan submitted revisions pertaining to the "net emission increase" definition and the "reasonable possibility" recordkeeping and reporting requirements, and EPA has found the revisions acceptable.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/09/27/2010-23987/approval-and-promulgation-of-air-quality-implementation-plans-michigan-psd-regulations)
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