# State of Iowa; Approval and Promulgation of the State Implementation Plan, the 111(d) Plan and the Operating Permits Program
> **Rule** · Final rule. · Published 2018-06-08 · Effective 2018-07-09 · 83 FR 26599
## Document
- **Document number:** 2018-12166
- **Category:** other
- **Federal Register citation:** 83 FR 26599
- **CFR reference:** 40 CFR 52
- **Publication date:** 2018-06-08
- **Effective date:** 2018-07-09
- **State:** IA
- **EPA docket:** EPA-R07-OAR-2017-0470
## Abstract

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Iowa State Implementation Plan (SIP), the 111(d) plan, and the Operating Permits Program. These revisions update and clarify rules and make minor revisions and corrections. Approval of these revisions will ensure consistency between the state and federally-approved rules, and ensure Federal enforceability of the state's revised air program rules.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/06/08/2018-12166/state-of-iowa-approval-and-promulgation-of-the-state-implementation-plan-the-111d-plan-and-the)
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