Number: RL33807 Title: Air Quality Standards and Sound Science: What Role for CASAC? Authors: James E. McCarthy, Resources, Science, and Industry Division Abstract: This report provides a history of the NAAQS-setting process and the role of CASAC since its inception in the late 1970s. It also reviews various proposals for change that have been discussed, including EPA's December 2006 modifications. Pages: 24 Date: April 21, 2008