# Approval and Promulgation of Implementation Plans; State of Iowa
> **Rule** · Direct final rule. · Published 2007-05-31 · Effective 2007-07-30 · 72 FR 30275
## Document
- **Document number:** E7-10490
- **Category:** air-emissions
- **Federal Register citation:** 72 FR 30275
- **CFR reference:** 40 CFR 52
- **Publication date:** 2007-05-31
- **Effective date:** 2007-07-30
- **State:** IA
- **EPA docket:** EPA-R07-OAR-2007-0124
## Abstract

EPA is approving a State Implementation Plan (SIP) for the purpose of revising the general emission rate for particulate matter.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/05/31/E7-10490/approval-and-promulgation-of-implementation-plans-state-of-iowa)
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