# Air Plan Approval; Indiana; Commissioner's Orders for A.B. Brown and Clifty Creek
> **Rule** · Final rule. · Published 2016-05-06 · Effective 2016-06-06 · 81 FR 27330
## Document
- **Document number:** 2016-10579
- **Category:** other
- **Federal Register citation:** 81 FR 27330
- **CFR reference:** 40 CFR 52
- **Publication date:** 2016-05-06
- **Effective date:** 2016-06-06
- **State:** IN
- **EPA docket:** EPA-R05-OAR-2016-0075
## Abstract

The Environmental Protection Agency (EPA) is finalizing approval of revisions to the Indiana State Implementation Plan (SIP) submitted by the Indiana Department of Environmental Management (IDEM) to EPA in parallel process form on January 27, 2016, and February 5, 2016, and final form on March 21, 2016, and March 31, 2016. The submittals consist of orders issued by the Commissioner of IDEM that require more stringent sulfur dioxide (SO<INF>2</INF>) emissions limits than those currently contained in the SIP for Vectren's A.B. Brown Generating Station (A.B. Brown) and Indiana-Kentucky Electric Corporation's Clifty Creek Generating Station (Clifty Creek). EPA proposed approval of these revisions to the Indiana SIP on February 25, 2016 and received no adverse comments. EPA's approval of these revisions makes the Commissioner's orders' SO<INF>2</INF> emissions limits and applicable reporting, recordkeeping, and compliance demonstration requirements federally enforceable.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/05/06/2016-10579/air-plan-approval-indiana-commissioners-orders-for-ab-brown-and-clifty-creek)
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