Transfer standards for calibration of air monitoring analyzers for ozone : technical assistance document

Background check : achievability of new ozone standards : hearing before the Subcommittee on Environment, Committee on Science, Space, and Technology, House of Representatives, One Hundred Thirteenth Congress, first session, June 12, 2013

Policy assessment for the review of the Ozone National Ambient Air Quality Standards : second external review draft

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

EPA has reduced its backlog of state implementation plans submitted prior to 2013 but continues to face challenges in taking timely final actions on submitted plans

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

Implementing EPA's 2015 ozone air quality standards

EPA's 2015 ozone standard : concerns over science and implementation : hearing before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Fourteenth Congress, first session, October 22, 2015

Impacts of EPA's proposed ozone standard on manufacturing and utilities : field hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Fourteenth Congress, first session, September 1, 2015, Columbus, NE

Review of EPA's proposed revision to the ozone NAAQS : hearing before the Subcommittee on Clean Air and Nuclear Safety of the Committee on Environment and Public Works, United States Senate, One Hundred Tenth Congress, first session, July 11, 2007