# Approval and Promulgation of Implementation Plans; State of Iowa
> **Rule** · Direct final rule. · Published 2010-07-06 · Effective 2010-09-07 · 75 FR 38745
## Document
- **Document number:** 2010-16235
- **Category:** other
- **Federal Register citation:** 75 FR 38745
- **CFR reference:** 40 CFR 52
- **Publication date:** 2010-07-06
- **Effective date:** 2010-09-07
- **State:** IA
- **EPA docket:** EPA-R07-OAR-2010-0156
## Abstract

The EPA is approving a revision to the Iowa State Implementation Plan (SIP). The purpose of this revision is to update the Polk County Board of Health Rules and Regulations, Chapter V, Air Pollution. These revisions reflect updates to the Iowa statewide rules previously approved by EPA and will ensure consistency between the applicable local agency rules and Federally-approved rules. This rulemaking also ensures Federal enforceability of the applicable parts of the local agency's ``Air Pollution'' rules.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/07/06/2010-16235/approval-and-promulgation-of-implementation-plans-state-of-iowa)
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