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Ozone Air Quality Standards: EPA's Proposed Changes (CRS Report for Congress)

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Release Date June 20, 2007
Report Number RS22682
Report Type Report
Authors James E. McCarthy, Resources, Science, and Industry Division
Source Agency Congressional Research Service
Summary:

EPA [Environmental Protection Agency] is expected to propose changes to the National Ambient Air Quality Standard for ozone on June 20, 2007. The proposal follows a multi-year review of the science regarding ozone's effects on public health and welfare. If the agency decides to strengthen the standard, it will set in motion a long and complicated implementation process that has far-reaching impacts for public health, for sources of pollution in numerous economic sectors, and for states and local governments. This report discusses the standard-setting process and the specifics of the ozone standard, and describes the steps that will follow EPA's proposal.