Regulation & law · 23/11/2005

EPA Proposes Approval of Indiana's Ozone Attainment Plan

The Environmental Protection Agency (EPA) is proposing to approve Indiana's plan to maintain the 8-hour ozone National Ambient Air Quality Standard (NAAQS) in Vigo County, which has been shown to have attained the standard through three years of air quality monitoring data, and to redesignate the area from nonattainment to attainment.