The EPA needs to develop a strategy to complete overdue residual risk and technology reviews and to meet the statutory deadlines for upcoming reviews

Reality check : the impact and achievability of EPA's proposed ozone standards : hearing before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Fourteenth Congress, first session

Threshold limit values for 1966 : consult local health departments and physicians ; control health hazards to employees at work ; prevent industrial diseases

Conflicts and unintended consequences of motor fuel standards : hearing before the Subcommittee on Energy and Environment, Committee on Science, Space, and Technology, House of Representatives, One Hundred Twelfth Congress, first session, Wednesday, November 2, 2011

Clean air issues in the 113th Congress : an overview

Summary and analysis of comments control of emissions of air pollution from locomotive engines and marine compression ignition engines less than 30 liters per cylinder

EPA needs an oversight program for protocol gases

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

Oversight hearing : EPA's proposed National Ambient Air Quality Standards for ozone : 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, second session, December 17, 2014

Quality science for quality air : hearing before the Subcommittee on Energy and Environment, Committee on Science, Space, and Technology, House of Representatives, One Hundred Twelfth Congress, first session, Tuesday, October 4, 2011