Regulation & law · 12/09/2012Updated: 10/17/2026 · 1 min read

EPA Approves Michigan Air Quality Implementation Plan Revisions

The Environmental Protection Agency (EPA) has approved revisions to Michigan's State Implementation Plan (SIP) to meet federal Clean Air Act requirements for preventing significant deterioration and new source review in Class I areas.

Original source language: Federal Register — All DocumentsOpen original release →

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