2022-26503: Air Plan Approval; MO; Marginal Nonattainment Plan for the St. Louis Area for the 2015 8-Hour Ozone Standard
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The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the Missouri Department of Natural Resources (MoDNR) on September 8, 2021, and supplemented on April 8, 2022, as meeting the Marginal nonattainment area requirements for the 2015 8-hour ozone National Ambient Air Quality Standard (NAAQS or standard) for the Missouri portion of the St. Louis, MO-IL nonattainment area ("St. Louis area" or "area"). The EPA is proposing this action pursuant to the Clean Air Act (CAA or Act).
The agency’s own summary, as published.
What this changes
Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.
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