joint hearing before the Subcommittee on Clean Air and Nuclear Safety and the Subcommittee on Children's Health and Environmental Responsibility of the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, first session, June 8, 2011 United States Congress. Senate. Committee on Environment and Public Works. Subcommittee on Clean Air and Nuclear Safety, creator author. United States Congress. Senate. Committee on Environment and Public Works. Subcommittee on Children's Health and Environmental Responsibility, author. text bibliography Legislative hearings. dcu 2017 monographic eng 1 online resource (iii, 111 pages) : illustrations. Paper version available for sale by the Superintendent of Documents, United States Government Publishing Office. CRDP Program record. Includes bibliographical references. n-us--- Air quality Health aspects United States Air Pollution Health aspects United States Atmospheric ozone United States Physiological aspects Children Health and hygiene United States Air quality management United States United States. Environmental Protection Agency. KF26 .E623 2011c Y 4.P 96/10:S.HRG.112-948 Y 4.P 96/10:S.HRG.112-948 United States. Congress. Senate. http://purl.fdlp.gov/GPO/gpo76616 http://purl.fdlp.gov/GPO/gpo76616 GPO 170118 20170210123720.0 ocn968935593 eng