# Approval and Promulgation of Implementation Plans; State of Iowa
> **Rule** · Direct final rule. · Published 2006-03-30 · Effective 2006-05-30 · 71 FR 16048
## Document
- **Document number:** 06-3032
- **Category:** other
- **Federal Register citation:** 71 FR 16048
- **CFR reference:** 40 CFR 52
- **Publication date:** 2006-03-30
- **Effective date:** 2006-05-30
- **State:** IA
- **EPA docket:** EPA-R07-OAR-2005-0482
## Abstract

EPA is announcing a revision to the State Implementation Plan (SIP) submitted by the state of Iowa. The purpose of this revision is to approve the 2005 update to the Polk County Board of Health Rules and Regulations, Chapter V, Air Pollution. 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/2006/03/30/06-3032/approval-and-promulgation-of-implementation-plans-state-of-iowa)
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