Air Quality: EPA's 2013 Changes to the Particulate Matter (PM) Standard

Esworthy, Robert

Library of Congress. Congressional Research Service.

关键词: Air quality;    Air pollution control;    Air pollution measurement;   

RP-ID  :  R42934
RP-ID  :  R42934_2015Jan07

美国|英语

来源: UNT Digital Library

【 摘 要 】

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.