2013 national ambient air quality standard (NAAQS) for fine particulate matter (PM2.5) : designating nonattainment areas

Clean Air Act mercury control technologies at coal-fired power plants have achieved substantial emissions reductions : report to the Chairman, Subcommittee on Clean Air and Nuclear Safety, Committee on Environment and Public Works, U.S. Senate

Wildfire smoke and air quality

Naturally occurring asbestos approaches for reducing exposure

Black carbon : a global health problem with low-cost solutions : hearing before the Subcommittee on Clean Air and Nuclear Safety of the Committee on Environment and Public Works, United States Senate, One Hundred Thirteenth Congress, first session, September 24, 2013

Clean Air Act and jobs : joint hearing before the Subcommittee on Clean Air and Nuclear Safety and the Subcommittee on Green Jobs and the New Economy of the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, first session, March 17, 2011

Leak detection and repair : a best practices guide

The implications of the Supreme Court's decision regarding EPA's authorities with respect to greenhouse gases under the Clean Air Act : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Tenth Congress, first session, April 24, 2007

Out of thin air : EPA's cross-state air pollution rule : hearing before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Twelfth Congress, first session, Thursday, September 15, 2011

Legislative hearing on S. 2995 : the Clean Air Act Amendments of 2010 : joint hearing before the Subcommittee on Clean Air and Nuclear Safety and the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, second session, March 4, 2010