# Air Plan Approval; Michigan; Michigan Nonattainment New Source Review Certification for the 2015 Ozone NAAQS
> **Rule** · Direct final rule. · Published 2023-06-09 · Effective 2023-08-08 · 88 FR 37766
## Document
- **Document number:** 2023-12304
- **Category:** air-emissions
- **Federal Register citation:** 88 FR 37766
- **CFR reference:** 40 CFR 52
- **Publication date:** 2023-06-09
- **Effective date:** 2023-08-08
- **State:** MI
- **EPA docket:** EPA-R05-OAR-2023-0049
## Abstract

The Environmental Protection Agency (EPA) is approving, as a revision to the Michigan State Implementation Plan (SIP), Michigan's certification that its SIP satisfies the nonattainment new source review (NNSR) requirements of the Clean Air Act (CAA) for the 2015 ozone National Ambient Air Quality Standard (NAAQS).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2023/06/09/2023-12304/air-plan-approval-michigan-michigan-nonattainment-new-source-review-certification-for-the-2015-ozone)
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