# Air Plan Approval; Indiana; Redesignation of the Terre Haute Area to Attainment of the 2010 Sulfur Dioxide Standard
> **Rule** · Final rule. · Published 2019-07-08 · Effective 2019-07-08 · 84 FR 32317
## Document
- **Document number:** 2019-14359
- **Category:** air-emissions
- **Federal Register citation:** 84 FR 32317
- **CFR reference:** 40 CFR 52
- **Publication date:** 2019-07-08
- **Effective date:** 2019-07-08
- **State:** IN
- **EPA docket:** EPA-R05-OAR-2018-0733
## Abstract

In accordance with the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is redesignating the Terre Haute, Indiana area from nonattainment to attainment for the 2010 sulfur dioxide (SO<INF>2</INF>) National Ambient Air Quality Standard (NAAQS). The area consists of Fayette and Harrison Townships in Vigo County, Indiana. EPA is also approving, as a revision to the Indiana State Implementation Plan (SIP), Indiana's maintenance plan for this area. EPA proposed to approve Indiana's redesignation request and maintenance plan on May 3, 2019.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2019/07/08/2019-14359/air-plan-approval-indiana-redesignation-of-the-terre-haute-area-to-attainment-of-the-2010-sulfur)
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