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

[摘要] This report summarizes the Environmental Protection Agency's (EPA) proposed changes to the National Ambient Air Quality Standard (NAAQS) and includes comparisons with previous (1997 and 2006) promulgated and proposed standards.

[发布日期] 2015-12-23 [发布机构] Library of Congress. Congressional Research Service.

[关键词] Air quality;Air pollution control;Air pollution measurement