EPA Approves Louisville Area for Attainment of 1-Hour Ozone NAAQS

Summary

The Environmental Protection Agency (EPA) has determined that the Louisville moderate 1-hour ozone nonattainment area in Kentucky and Indiana has met the 1-hour ozone National Ambient Air Quality Standard (NAAQS) based on three years of air monitoring data from 1998 to 2000. The EPA is also approving redesignation requests from Kentucky and Indiana to attain the 1-hour ozone NAAQS by 2012.