Home / Agencies / EPA / 2026-13398
Final Rule

Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP Provisions

Agency
EPA
Document Number
2026-13398
Published
July 2, 2026
Effective Date
August 3, 2026

Abstract

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving identified portions of revisions to the Oklahoma State Implementation Plan (SIP) submitted by the State of Oklahoma designee between 2002 and 2025 to update the Oklahoma New Source Review (NSR) permit program and make general updates to the Oklahoma SIP.

Federal Register Source

This document is published by the Office of the Federal Register, National Archives and Records Administration. Access the full regulatory text, preamble, and docket comments below.

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Frequently Asked Questions

What is the 2026-13398 Federal Register document?
Document 2026-13398 is a Final Rule published by the Environmental Protection Agency in the Federal Register on July 2, 2026, with an effective date of August 3, 2026. Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving identified portions of revisions to the Oklahoma State Implementation Plan (SIP) submitted by the State of Oklahoma designee between 2002 and 2025 to update the Oklahoma New Source Review (NSR) permit program and make general updates to the Oklahoma SIP. View the original at https://www.federalregister.gov/documents/2026/07/02/2026-13398/air-plan-approval-oklahoma-updates-to-the-state-implementation-plan-for-new-source-review-permitting.
Is document 2026-13398 an economically significant rule?
No. Document 2026-13398 is not classified as economically significant under Executive Order 12866. Economically significant rules require OIRA review and are estimated to have impacts of $100 million or more per year.

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