# Approval and Promulgation of Implementation Plans; Oklahoma; Infrastructure and Interstate Transport for the 2012 Fine Particulate Matter Standard
> **Rule** · Final rule. · Published 2017-06-14 · Effective 2017-07-14 · 82 FR 27121
## Document
- **Document number:** 2017-12209
- **Category:** air-emissions
- **Federal Register citation:** 82 FR 27121
- **CFR reference:** 40 CFR 52
- **Publication date:** 2017-06-14
- **Effective date:** 2017-07-14
- **State:** OK
- **EPA docket:** EPA-R06-OAR-2015-0142
## Abstract

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving elements of a State Implementation Plan (SIP) submission from the State of Oklahoma for the 2012 Fine Particulate Matter (PM<INF>2.5</INF>) National Ambient Air Quality Standard (NAAQS or standard). The submission addresses how the existing SIP provides for implementation, maintenance, and enforcement of this 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.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/06/14/2017-12209/approval-and-promulgation-of-implementation-plans-oklahoma-infrastructure-and-interstate-transport)
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