# Approval and Promulgation of Implementation Plans; State of Missouri
> **Rule** · Direct final rule. · Published 2006-06-26 · Effective 2006-08-25 · 71 FR 36210
## Document
- **Document number:** 06-5625
- **Category:** air-emissions
- **Federal Register citation:** 71 FR 36210
- **CFR reference:** 40 CFR 52
- **Publication date:** 2006-06-26
- **Effective date:** 2006-08-25
- **State:** MO
- **EPA docket:** EPA-R07-OAR-2006-0286
## Abstract

We are taking final action to approve a revision to the maintenance plan prepared by Missouri to maintain the national ambient air quality standard for ozone in the Missouri portion of the Kansas City maintenance area. This plan is applicable to Clay, Jackson and Platte Counties. The effect of this approval is to ensure Federal enforceability of the state air program plan and to maintain consistency between the state-adopted plan and the approved SIP.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/06/26/06-5625/approval-and-promulgation-of-implementation-plans-state-of-missouri)
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