# Approval and Promulgation of State Implementation Plans and Operating Permits Program; State of Iowa
> **Rule** · Direct final rule. · Published 2007-10-16 · Effective 2007-12-17 · 72 FR 58535
## Document
- **Document number:** E7-20378
- **Category:** other
- **Federal Register citation:** 72 FR 58535
- **CFR reference:** 40 CFR 52
- **Publication date:** 2007-10-16
- **Effective date:** 2007-12-17
- **State:** IA
- **EPA docket:** EPA-R07-OAR-2007-0718
## Abstract

EPA is approving revisions to the Iowa State Implementation Plan (SIP) and Operating Permits Program submitted by the state of Iowa. These revisions update and clarify various rules and make minors 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/2007/10/16/E7-20378/approval-and-promulgation-of-state-implementation-plans-and-operating-permits-program-state-of-iowa)
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