# Approval and Promulgation of Air Quality Implementation Plans; Ohio; Regional Haze
> **Rule** · Final rule. · Published 2012-07-02 · Effective 2012-08-01 · 77 FR 39177
## Document
- **Document number:** 2012-16033
- **Category:** air-emissions
- **Federal Register citation:** 77 FR 39177
- **CFR reference:** 40 CFR 52
- **Publication date:** 2012-07-02
- **Effective date:** 2012-08-01
- **State:** OH
- **EPA docket:** EPA-R05-OAR-2011-0329
## Abstract

EPA is finalizing a limited approval of revisions to the Ohio State Implementation Plan (SIP), submitted on March 11, 2011, addressing regional haze for the first implementation period that ends 2018. This action is being taken in accordance with the requirements of the Clean Air Act (CAA) and EPA's rules for states to prevent and remedy future and existing anthropogenic impairment of visibility in mandatory Class I areas through a regional haze program.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/07/02/2012-16033/approval-and-promulgation-of-air-quality-implementation-plans-ohio-regional-haze)
---
*AI Analytics · CC0 1.0*