EPA approves Kentucky’s Ozone Redesignation Request and Maintenance Plan for the Northern Kentucky portion of the Cincinnati OH-KY 2015 8-Hour Ozone National Ambient Air Quality Standards (NAAQS) Nonattainment Area
EPA News Release: EPA approves Kentucky’s Ozone Redesignation Request and Maintenance Plan for the Northern Kentucky portion of the Cincinnati OH-KY 2015 8-Hour Ozone National Ambient Air Quality Standards (NAAQS) Nonattainment Area