EPA Proposes Determinations on Attainment of 1997 Ozone Standard in Washington, DC-MD-VA Area

Summary

The Environmental Protection Agency (EPA) is proposing to make two determinations regarding the Washington, DC-MD-VA moderate 8-hour ozone nonattainment area, including that the area has attained the 1997 8-hour ozone National Ambient Air Quality Standard (NAAQS) and that it met the standard by its attainment date of June 15, 2010, effectively suspending requirements for further progress and control measures.