Designation of Areas for Air Quality Planning Purposes; Ohio; Redesignation of the Ohio Portion of the Steubenville Sulfur Dioxide Nonattainment Area

摘要

In accordance with the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is proposing to redesignate the Ohio portion of the Steubenville Ohio-West Virginia interstate sulfur dioxide (SO 2 ) nonattainment area (Steubenville nonattainment area) from nonattainment to attainment. EPA is also proposing to approve Ohio's maintenance plan. Emissions of SO 2 in the area have been reduced and the air quality in the nonattainment area is currently well below the SO 2 national ambient air quality standard (NAAQS).