Ozone Air Quality Standards: EPA's 2015 Revision

McCarthy, James E. ; Lattanzio, Richard K.

Library of Congress. Congressional Research Service.

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

RP-ID  :  R43092
RP-ID  :  R43092_2016Jan25

美国|英语

来源: UNT Digital Library

【 摘 要 】

This report discusses the standard-setting process, the specifics of the most recent reviews, and issues raised by the final rulemaking for the Environmental Protection Agency's (EPA's) revisions to the National Ambient Air Quality Standards (NAAQS) for ground-level ozone. The rule sets more stringent standards, lowering both the primary (health-based) and secondary (welfare-based) standards from 75 parts per billion (ppb) to 70 ppb.