# Air Plan Approval; Oklahoma; Regional Haze Five-Year Progress Report
> **Rule** · Final rule. · Published 2019-06-28 · Effective 2019-07-29 · 84 FR 30918
## Document
- **Document number:** 2019-13738
- **Category:** air-emissions
- **Federal Register citation:** 84 FR 30918
- **CFR reference:** 40 CFR 52
- **Publication date:** 2019-06-28
- **Effective date:** 2019-07-29
- **State:** OK
- **EPA docket:** EPA-R06-OAR-2016-0619
## Abstract

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving a revision to a State Implementation Plan (SIP) submitted by the Governor of Oklahoma through the Oklahoma Department of Environmental Quality (ODEQ) on September 28, 2016. The SIP revision addresses requirements of federal regulations that direct the State to submit a periodic report describing progress toward reasonable progress goals (RPGs) established for regional haze and a determination of the adequacy of the existing implementation plan.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2019/06/28/2019-13738/air-plan-approval-oklahoma-regional-haze-five-year-progress-report)
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