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Energy & environment · 21/07/1994Updated: 10/16/2026 · 1 min read

USEPA Proposes Approval of Revisions to Michigan State Implementation Plan for Ozone Attainment

The United States Environmental Protection Agency (USEPA) proposes to approve revisions to the Michigan State Implementation Plan for ozone attainment, specifically for the Detroit-Ann Arbor moderate ozone nonattainment area.

Original source language: Federal Register — Environmental Protection AgencyOpen original release →

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