# Approval and Promulgation of Implementation Plans; States of Arkansas and Louisiana; Clean Air Interstate Rule State Implementation Plan Revisions
> **Rule** · Direct final rule. · Published 2014-04-17 · Effective 2014-06-16 · 79 FR 21631
## Document
- **Document number:** 2014-08647
- **Category:** air-emissions
- **Federal Register citation:** 79 FR 21631
- **CFR reference:** 40 CFR 52
- **Publication date:** 2014-04-17
- **Effective date:** 2014-06-16
- **State:** AR
- **EPA docket:** EPA-R06-OAR-2009-0594
## Abstract

The Environmental Protection Agency (EPA) is taking a direct final action to approve revisions submitted to the applicable State Implementation Plans (SIPs) addressing the requirements of EPA's Clean Air Interstate Rule (CAIR) for Arkansas and Louisiana. EPA is approving revisions to the CAIR NO<INF>X</INF> Ozone Season allocation methodology submitted by the State of Arkansas as revisions to the Arkansas SIP on September 16, 2009. EPA is also approving revisions to the CAIR NO<INF>X</INF> Annual and Ozone Season Abbreviated SIP for the annual and ozone season NO<INF>X</INF> allocation methodologies and the CAIR SO<INF>2</INF> SIP submitted by the State of Louisiana as revisions to the Louisiana SIP on July 1, 2009. EPA has evaluated the CAIR SIP revisions for Arkansas and Louisiana and determined these revisions to be consistent with the requirements of CAIR and the Clean Air Act (Act or CAA). This action is being taken under section 110 of the Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2014/04/17/2014-08647/approval-and-promulgation-of-implementation-plans-states-of-arkansas-and-louisiana-clean-air)
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