Harmful algal blooms the challenges on the nation's coastlines : hearing before the Subcommittee on Energy and Environment, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, second session, July 10, 2008

Will NIEHS' new priorities protect public health? hearing before the Subcommittee on Domestic Policy of the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, first session, September 25, 2007

Preventing harm, protecting health reforming CDC's environmental public health practices : hearing before the Subcommittee on Investigations and Oversight, Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, second session, May 20, 2010

Environmental health : EPA has made substantial progress but could improve processes for considering children's health : report to the Chairman, Committee on Environment and Public Works, U.S. Senate

State of research on potential environmental health factors with autism and related neurodevelopment disorders : hearing before the Subcommittee on Children's Health of the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, second session, August 3, 2010

Research on environmental and safety impacts of nanotechnology : what are the Federal agencies doing? Hearing before the Committee on Science, House of Representatives ; One Hundred Ninth Congress, second session ; September 21, 2006

Filling the knowledge gaps for safe nanotechnology in the workplace : a progress report from the NIOSH Nanotechnology Research Center, 2004-2011

Oversight on EPA's children's health protection efforts : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Tenth Congress, second session, September 16, 2008

Hearing on the Government Accountability Office's investigation of EPA's efforts to protect children's health : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, second session, March 17, 2010

NIEHS/EPA children's environmental health and disease prevention research centers : protecting children's health for a lifetime