# Approval and Promulgation of Implementation Plans; State of Missouri
> **Rule** · Direct final rule. · Published 2001-04-06 · Effective 2001-06-05 · 66 FR 18198
## Document
- **Document number:** 01-8479
- **Category:** air-emissions
- **Federal Register citation:** 66 FR 18198
- **CFR reference:** 40 CFR 52
- **Publication date:** 2001-04-06
- **Effective date:** 2001-06-05
- **State:** MO
- **EPA docket:** MO 114-1114a
## Abstract

EPA is approving as an amendment to the Missouri State Implementation Plan (SIP) a revision to the Missouri construction permit rule. This revision will strengthen the SIP with respect to attainment and maintenance of established air quality standards, ensure consistency between the state and Federally approved rules, and ensure Federal enforceability of the state's air program rule revisions pursuant to section 110 of the Clean Air Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/04/06/01-8479/approval-and-promulgation-of-implementation-plans-state-of-missouri)
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