# Approval and Promulgation of Implementation Plans; State of Iowa
> **Rule** · Direct final rule. · Published 1995-06-23 · Effective 1995-08-22 · 60 FR 32601
## Document
- **Document number:** 95-15236
- **Category:** air-emissions
- **Federal Register citation:** 60 FR 32601
- **CFR reference:** 40 CFR 52
- **Publication date:** 1995-06-23
- **Effective date:** 1995-08-22
- **State:** IA
- **EPA docket:** IA-15-1-6829a
## Abstract

This final action approves the State Implementation Plan (SIP) revision submitted by the state of Iowa. The revision includes special requirements for nonattainment areas, compliance and enforcement information, and adoption of EPA definitions. These revisions strengthen the SIP with respect to attainment and maintenance of established air quality standards.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1995/06/23/95-15236/approval-and-promulgation-of-implementation-plans-state-of-iowa)
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