2021-23035: Air Plan Approval; Oklahoma; Updates to the General SIP and Incorporation by Reference Provisions
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Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is proposing to approve identified portions of two revisions to the Oklahoma State Implementation Plan (SIP) submitted by the State of Oklahoma designee on May 15, 2020, and February 9, 2021. This action addresses the revisions submitted to the Oklahoma SIP pertaining to the general SIP definitions and the incorporation by reference of Federal requirements under Oklahoma Administrative Code (OAC).
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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