# Approval and Promulgation of Air Quality Implementation Plans; Michigan; Excess Emissions During Startup, Shutdown or Malfunction
> **Rule** · Direct final rule. · Published 2003-02-24 · Effective 2003-04-25 · 68 FR 8550
## Document
- **Document number:** 03-4260
- **Category:** air-emissions
- **Federal Register citation:** 68 FR 8550
- **CFR reference:** 40 CFR 52
- **Publication date:** 2003-02-24
- **Effective date:** 2003-04-25
- **State:** MI
- **EPA docket:** MI80-01-7289a, FRL-7442-9
## Abstract

The EPA is approving several rule revisions for incorporation into Michigan's State Implementation Plan (SIP). The Michigan Department of Environmental Quality (MDEQ) submitted these revisions to EPA on September 23, 2002. They include rules to address excess emissions occurring during startup, shutdown or malfunction, as well as revisions to related definitions.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/02/24/03-4260/approval-and-promulgation-of-air-quality-implementation-plans-michigan-excess-emissions-during)
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