http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Reviews sanctions required by the Clean Air Act Amendments of 1990 for states that fail to submit and implement State Implementation Plans to meet National Ambient Air Quality Standards.
Record is based on bibliographic data in ProQuest U.S. Congressional Research Digital Collection (last viewed July 2010). Reuse except for individual research requires license from ProQuest, LLC.
Library of Congress. Congressional Research Service.