# Approval and Promulgation of Implementation Plans; State of Missouri
> **Rule** · Final rule. · Published 2000-12-28 · Effective 2001-01-29 · 65 FR 82285
## Document
- **Document number:** 00-32947
- **Category:** air-emissions
- **Federal Register citation:** 65 FR 82285
- **CFR reference:** 40 CFR 52
- **Publication date:** 2000-12-28
- **Effective date:** 2001-01-29
- **State:** MO
- **EPA docket:** Region 7 Tracking No. 113-1113a
## Abstract

EPA is announcing final approval of a statewide NO<INF>X</INF> rule to reduce the emissions of nitrogen oxides ( NO<INF>X</INF>) and establish a NO<INF>X</INF> emissions trading program for the state of Missouri. This rule is a critical element in the state's plan to attain the ozone standard in the St. Louis ozone nonattainment area.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/12/28/00-32947/approval-and-promulgation-of-implementation-plans-state-of-missouri)
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