# Approval and Promulgation of Implementation Plans; State of Missouri
> **Rule** · Direct final rule. · Published 2001-10-15 · Effective 2001-12-14 · 66 FR 52359
## Document
- **Document number:** 01-25726
- **Category:** enforcement
- **Federal Register citation:** 66 FR 52359
- **CFR reference:** 40 CFR 52
- **Publication date:** 2001-10-15
- **Effective date:** 2001-12-14
- **State:** MO
- **EPA docket:** MO 0135-1135a
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the state of Missouri. This approval pertains to revisions to a rule which provide reference methods for determining data and information necessary for the enforcement of air pollution control regulations throughout Missouri. The effect of this approval is to ensure Federal enforceability of the state air program rules and to maintain consistency between the state-adopted rules and the approved SIP.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/10/15/01-25726/approval-and-promulgation-of-implementation-plans-state-of-missouri)
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