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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.

Brian Berridge
Brian R. Berridge, D.V.M., Ph.D., D.A.C.V.P.
Scientific Director, Division of the National Toxicology Program
Associate Director, National Toxicology Program
Tel 984-287-3111
P.O. Box 12233
Mail Drop K2-02
Durham, N.C. 27709

DNTP Structure

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 Office of the Scientific Director Office of the Scientific Director Office Nomination and Selection Office of Data Science Deputy Division Director for Research Deputy Division Director for Policy Office of Liaison, Policy, and Review Offce of the Report on Carcinogens Office of health Assessment and Translation Biomolecular Screening Branch Cellular and 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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