Ozone Air Quality Standards: EPA's 2007 Proposed Changes

McCarthy, James E.

Library of Congress. Congressional Research Service.

关键词: Air quality;    Air pollution;    Air pollution control;    Environmental policy;   

RP-ID  :  RL34057
RP-ID  :  RL34057_2007Aug07

美国|英语

来源: UNT Digital Library

【 摘 要 】

This report provides background on the National Ambient Air Quality Standard (NAAQS), the process used to establish them, the existing ozone standard, and EPA's proposal, as well as information regarding the potential effects of any revision to the standard.