# Approval and Promulgation of Implementation Plans; State of Iowa
> **Rule** · Direct final rule. · Published 2006-11-08 · Effective 2007-01-08 · 71 FR 65414
## Document
- **Document number:** E6-18845
- **Category:** air-emissions
- **Federal Register citation:** 71 FR 65414
- **CFR reference:** 40 CFR 52
- **Publication date:** 2006-11-08
- **Effective date:** 2007-01-08
- **State:** IA
- **EPA docket:** EPA-R07-OAR-2006-0836
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the state of Iowa. This revision will update Code of Federal Regulation (CFR) amendment dates, make a clarification to the state air quality rules for laundry activities listed under construction permit exemptions, and adopt the American Meteorological Society/Environmental Protection Agency Regulatory Model (AERMOD). The SIP revisions are necessary for consistency with Federal regulations.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/11/08/E6-18845/approval-and-promulgation-of-implementation-plans-state-of-iowa)
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