Energy & environment · 06/12/2010

EPA Proposes Determination of Attainment of 1997 Ozone Standard in New Hampshire

The Environmental Protection Agency (EPA) is proposing to confirm that the Boston-Manchester-Portsmouth moderate 1997 8-hour ozone nonattainment area in New Hampshire continues to meet the 1997 8-hour National Ambient Air Quality Standard (NAAQS) for ozone, based on quality-assured air monitoring data from 2007-2009 and preliminary data available through June 15, 2010.