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
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.