# Approval and Promulgation of Implementation Plans; State of Missouri
> **Rule** · Direct final rule. · Published 2004-05-13 · Effective 2004-07-12 · 69 FR 26503
## Document
- **Document number:** 04-10874
- **Category:** other
- **Federal Register citation:** 69 FR 26503
- **CFR reference:** 40 CFR 52
- **Publication date:** 2004-05-13
- **Effective date:** 2004-07-12
- **State:** MO
- **EPA docket:** R07-OAR-2004-MO-0001
## Abstract

EPA is announcing it is approving a revision to the Missouri State Implementation Plan (SIP) which updates changes to the non- regulatory portion of the Inspection and Maintenance (I/M) Program for the St. Louis area. The original SIP for the centralized St. Louis I/M program was approved in 2000 and the program was implemented in April 2000. Due to a regulatory amendment, the SIP was revised in 2002. At that time, the non-regulatory portion of the SIP was not revised. Approval of this revision will ensure consistency between the description of the program included in the approved SIP and the current Missouri program description.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/05/13/04-10874/approval-and-promulgation-of-implementation-plans-state-of-missouri)
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