Description: This report summarizes the Environmental Protection Agency's (EPA) January 15, 2013, final and June 2012 proposed changes to the National Ambient Air Quality Standard (NAAQS) and includes comparisons with previous (1997 and 2006) promulgated and proposed standards. Key actions leading up to the agency's determination, and potential issues and concerns associated with changing the Particulate Matter annual standard, are also highlighted.
Date: January 7, 2015
Creator: Esworthy, Robert
Partner: UNT Libraries Government Documents Department