# Air Plan Approval; Missouri and Kansas; Determination of Attainment for the Jackson County, Missouri 1-Hour Sulfur Dioxide Nonattainment Area and Redesignation of the Wyandotte County, Kansas Unclassifiable Area to Attainment/Unclassifiable
> **Rule** · Final rule. · Published 2020-07-09 · Effective 2020-07-09 · 85 FR 41193
## Document
- **Document number:** 2020-13376
- **Category:** air-emissions
- **Federal Register citation:** 85 FR 41193
- **CFR reference:** 40 CFR 52
- **Publication date:** 2020-07-09
- **Effective date:** 2020-07-09
- **State:** KS
- **EPA docket:** EPA-R07-OAR-2020-0155
## Abstract

The Environmental Protection Agency (EPA) is taking final action to determine that the Jackson County, Missouri 1-hour (1-hr) Sulfur Dioxide (SO<INF>2</INF>) National Ambient Air Quality Standard (NAAQS) Nonattainment Area has attained the NAAQS and to redesignate the Wyandotte County, Kansas 1-hr SO<INF>2</INF> NAAQS Unclassifiable Area as Attainment/Unclassifiable. Both final action decisions are based on air quality monitoring and modeling data.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/07/09/2020-13376/air-plan-approval-missouri-and-kansas-determination-of-attainment-for-the-jackson-county-missouri)
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