2019-28329: Air Plan Approval; Oklahoma; Infrastructure for the 2015 Ozone National Ambient Air Quality Standards
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Under the Federal Clean Air Act (CAA or Act), the Environmental Protection Agency (EPA) is proposing to approve elements of a State Implementation Plan (SIP) submission from the State of Oklahoma for the 2015 Ozone (O<INF>3</INF>) National Ambient Air Quality Standard (NAAQS). This submittal addresses how the existing SIP provides for implementation, maintenance, and enforcement of the 2015 O<INF>3</INF> NAAQS (infrastructure SIP or i-SIP). The i-SIP ensures that the Oklahoma SIP is adequate to meet the state's responsibilities under the CAA for this NAAQS.
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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