Data / Federal rules / 2025-20150

Air Plan Approval; Michigan; Revisions to Part 1 and 2 Rules

The Environmental Protection Agency published this final rule in the Federal Register on November 18, 2025. It took effect on December 18, 2025.

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What the agency says

The Environmental Protection Agency (EPA) is approving revisions to the Michigan State Implementation Plan (SIP) that Michigan's Department of Environment, Great Lakes, and Energy (EGLE) submitted on March 8, 2022. These revisions amend Michigan's SIP- approved rules for minor New Source Review (NSR) found in Michigan Air Pollution Control Rules Part 2, Air Use Approval. This action updates Michigan's minor NSR rules in the SIP to exempt certain processes and equipment from the requirement to obtain a preconstruction permit.

Key facts

Document number: 2025-20150
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: November 18, 2025
Takes effect: December 18, 2025
Dates: This final rule is effective on December 18, 2025.
Docket: EPA-R05-OAR-2022-0295; FRL-10162-05-R5
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Ammonia; Carbon monoxide; Environmental protection; Incorporation by reference; Intergovernmental relations; Lead; Nitrogen oxides; Ozone; Particulate matter; Reporting and recordkeeping requirements; Sulfur oxides; Volatile organic compounds
Pages: 8

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on ammonia · Rules on carbon monoxide · Published in November 2025

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.