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Your Environment. Your Health.

National Toxicology Program (NTP) Division

The National Institute of Environmental Health Sciences (NIEHS) is home to the National Toxicology Program , a Health and Human Services interagency program dedicated to testing and evaluating substances in our environment.

Linda S. Birnbaum, Ph.D., D.A.B.T., A.T.S.
Linda S. Birnbaum, Ph.D., D.A.B.T., A.T.S.
Director, NIEHS & NTP
Tel 919-541-3201
Fax 919-541-5136
P.O. Box 12233
Mail Drop B2-01
Durham, N.C. 27709
Brian Berridge
Brian R. Berridge, D.V.M., Ph.D., D.A.C.V.P.
Associate Director, National Toxicology Program
Scientific Director, National Toxicology Program Division
Tel 984-287-3111
530 Davis Dr
Keystone Building
Durham, NC 27713

As Director of NIEHS, Linda Birnbaum, Ph.D. also serves as the Director of NTP. Brian Berridge, D.V.M, Ph.D., serves as NTP Associate Director and Director of the NTP Division, which is housed at NIEHS. Berridge provides daily oversight and guidance to the Program.

NTP is comprised of three core agencies:

NTP organizational chart U.S. Consumer Product Safety Commission NTP Executive Committee Environmental Protection Agency Food and Drug Administration Department of Defense National Cancer Institute National Institute of Environmental Health Sciences National Institute for Occupational Safety and Health Occupational Safety and Health Administration Agency for Toxic Substances and Disease Registry NIEHS/NTP Director Page National Center for Toxicological Research National Institute of Environmental Health Sciences National Institute for Occupational Safety and Health Board of Scientific Counselors Scientific Advisory Committee on Alternative Toxicological Methods

The National Toxicology Program Division oversees and carries out the activities of NTP.

The Division is responsible for carrying out the goals of NTP including:

  • Providing toxicological evaluations on substances of public health concern
  • Developing and validating improved toxicology methods (more sensitive, specific, and rapid)
  • Developing approaches and generating data to strengthen the science base for risk assessments
  • Communicating results with all stakeholders
National Toxicology Program Organization Chart Division Office Deputy Division Director for Science Deputy Division Director for Policy Office of the Report on Carcinogens NTP Interagency Center for the Evaluation of Alternative Toxicological Methods Office of Nominations Office of Liaison, Policy and Review Office of Health Assessment and Translation Biomolecular Screening Branch Cellular & Molecular Pathology Branch NTP Laboratory Program Operations Branch Toxicology Branch

The National Toxicology Program Division is comprised of four branches and the NTP Laboratory, as well as the five offices in the Division Office.

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