# Approval and Promulgation of Implementation Plans; State of Iowa
> **Rule** · Final rule. · Published 2007-05-14 · Effective 2007-06-13 · 72 FR 27056
## Document
- **Document number:** E7-9131
- **Category:** air-emissions
- **Federal Register citation:** 72 FR 27056
- **CFR reference:** 40 CFR 52
- **Publication date:** 2007-05-14
- **Effective date:** 2007-06-13
- **State:** IA
- **EPA docket:** EPA-R07-OAR-2007-0015
## Abstract

EPA is approving a State Implementation Plan (SIP) submission by the state of Iowa which revises the air quality rules to include portions of the Federal New Source Review (NSR) regulations promulgated by EPA in December 2002. These revisions do not include the portion of the rules for nonattainment areas as there are currently no nonattainment areas in the state of Iowa. The definitions and applicability portions of the Prevention of Significant Deterioration (PSD) program were written into the state rules while the remaining portions of the PSD program were adopted by reference. All references to clean units and pollution control projects are not adopted by reference. Iowa has also not adopted portions of the Federal rule relating to exceptions from recordkeeping requirements.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/05/14/E7-9131/approval-and-promulgation-of-implementation-plans-state-of-iowa)
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