Approval and Promulgation of Air Quality Implementation Plans; Maryland; Determination of Attainment of the 1997 8-Hour Ozone National Ambient Air Quality Standard for the Baltimore, Maryland Serious Nonattainment Area
The Environmental Protection Agency (EPA) has determined that the Baltimore, Maryland Serious Nonattainment Area (Baltimore Area) has attained the 1997 8-hour ozone National Ambient Air Quality Standard (NAAQS). This determination is based upon complete, quality-assured, and certified ambient air monitoring data that shows the Baltimore Area has monitored attainment of the 1997 8-hour ozone NAAQS for the 2012- 2014 monitoring period. EPA is finding the Baltimore Area to be in attainment in accordance with the requirements of the Clean Air Act (CAA).