# Approval and Promulgation of Implementation Plans; State of Iowa
> **Rule** · Direct final rule. · Published 2005-08-16 · Effective 2005-10-17 · 70 FR 48073
## Document
- **Document number:** 05-16224
- **Category:** air-emissions
- **Federal Register citation:** 70 FR 48073
- **CFR reference:** 40 CFR 52
- **Publication date:** 2005-08-16
- **Effective date:** 2005-10-17
- **State:** IA
- **EPA docket:** R07-OAR-2005-IA-0003
## Abstract

EPA is approving the State Implementation Plan (SIP) revision submitted by the state of Iowa for the purpose of approving the 2001 and 2004 updates to the Linn County Air Quality Ordinance. These revisions will help to ensure consistency between the applicable local agency rules and Federally-approved rules, and ensure Federal enforceability of the applicable parts of the local agency air programs.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/08/16/05-16224/approval-and-promulgation-of-implementation-plans-state-of-iowa)
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