Determination of Attainment of the 2008 Ozone National Ambient Air Quality Standards; Eastern San Luis Obispo, California

The Environmental Protection Agency (EPA) is finalizing our determination that the San Luis Obispo (Eastern San Luis Obispo) ozone nonattainment area (NAA) in California has attained the 2008 ozone National Ambient Air Quality Standards (NAAQS or ``standards'') by the applicable attainment date of July 20, 2016. This determination is based on complete, quality-assured and certified data for the 3-year period preceding that attainment date. Based on this determination, the Eastern San Luis Obispo NAA will not be reclassified to a higher ozone classification.