# Approval and Promulgation of Implementation Plans; State of Missouri
> **Rule** · Final rule. · Published 2000-05-18 · Effective 2000-06-19 · 65 FR 31482
## Document
- **Document number:** 00-12387
- **Category:** air-emissions
- **Federal Register citation:** 65 FR 31482
- **CFR reference:** 40 CFR 52
- **Publication date:** 2000-05-18
- **Effective date:** 2000-06-19
- **State:** MO
- **EPA docket:** Region 7 Tracking No. MO 102-1102
## Abstract

EPA is taking final action to approve a nitrogen oxides (NO<INF>X</INF>) reasonably available control technology (RACT) rule which is applicable to the St. Louis, Missouri, ozone nonattainment area. This rule reduces NO<INF>X</INF> emissions in the St. Louis area by requiring major sources to install or comply with RACT as required by the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/05/18/00-12387/approval-and-promulgation-of-implementation-plans-state-of-missouri)
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