- Testimony Provided to the Subcommittee on Interior and Related Agencies Committee on Appropriations United States Senate Washington, DC (May 5, 2005)
- Testimony Provided to the Subcommittee on Interior, Environment, and Related Agencies Committee on Appropriations United States House of Representatives Washington, DC (March 18, 2005)
- CDC/NIOSH Testimony before the House Subcommittee on National Security, Emerging Threats, and International Relations -- "Assessing September 11th Health Effects: What Should Be Done?" (October 28, 2003)
- ATSDR Testimony Before the Senate VA, HUD, and Independent Agencies Subcommittee (April 30, 2003)
- Follow-Up Questions & Answers to Testimony of March 20, 2003
- ATSDR Testimony Before the House VA, HUD, and Independent Agencies Subcommittee (March 20, 2003)
- ATSDR Testimony Before the House Subcommittee on the District of Columbia - Committee on Government Reform - ATSDR's Public Health Response Activities in Spring Valley (Washington, D.C.) (June 26, 2002)
- ATSDR Testimony Before the Senate Subcommittee on Superfund, Toxics, Risk, and Waste Management - Committee on Environment and Public Works - ATSDR's Public Health Response Plan in Libby, MT (June 20, 2002)
- ATSDR Testimony Before the Senate VA, HUD, and Independent Agencies Subcommittee, Anniston, Alabama (April 19, 2002) on ATSDR's Examination of PCB Contamination in Anniston, Alabama
- ATSDR Testimony Before the House VA, HUD, and Independent Agencies Subcommittee (March 7, 2002)
- Follow-Up Questions & Answers to Testimony of March 7, 2002
- ATSDR Testimony Before the Senate Subcommittee on Public Health (March 6, 2002)
- ATSDR Testimony Provided to the House District of Columbia Subcommittee (July 27, 2001)
- ATSDR Testimony Provided to the Senate VA, HUD, and Independent Agencies Subcommittee (June 22, 2001)
- Follow-Up Questions & Answers to Testimony of May 1, 2001
- ATSDR Testimony Before the House VA, HUD, and Independent Agencies Subcommittee (May 1, 2001)
- ATSDR Testimony Before the Senate Committee on Environment and Public Works (April 12, 2001)
- ATSDR Testimony Before the Senate VA, HUD, and Independent Agencies Subcommittee (April 10, 2000)
- Federal, State, and Local Response to Public Health and Environmental Conditions from Asbestos Contamination in Libby, Montana (February 16, 2000)
- The Scientific Aspects of Mercury (October 1, 1998)
- Medical Monitoring at Hanford Nuclear Facility (September 16, 1998)
- ATSDR: Public Health Provisions of Superfund (October 26, 1995)
- ATSDR: Public Health Actions and Findings (June 27, 1995)
- ATSDR: Public Health Actions and Findings (May 23, 1995)
- ATSDR: Support of the President's FY 1996 Budget Request (May 12, 1995)
- ATSDR: Public Health Actions and Findings (March 29, 1995)
- Health Impacts of Incineration - Part II (July 8, 1994)
- Clinton Administration's Superfund Reform Proposal (June 9,1994)
- Health Impacts of Incineration - Part I (January 24, 1994)
- ATSDR: Applied Research (November 9, 1993)
- ATSDR: Public Health Actions and Findings (May 6, 1993)
- Superfund Sites: Adverse Health Impacts (April 12, 1993)
- Potential Adverse Health Effects of Service in the Gulf War (September 16, 1992)
- ATSDR's Progress in Meeting Congressional Mandates (August 12, 1992)
- Public Health Implications of Dioxins (June 10, 1992)
- ATSDR's Progress in Meeting Congressional Mandates (June 9, 1992)
(109th Congress)