National Toxicology Program

National Toxicology Program
  • 13th Report on Carcinogens
  • NTP update newsletter

    NTP Update Newsletter

    The NTP Update newsletter provides timely information about recent and future NTP events.

  • Toxicology in the twenty first century

    Toxicology in the 21st Century (Tox21)

    The Tox21 Program is an ongoing collaboration among federal agencies to characterize the potential toxicity of chemicals using cells and isolated molecular targets instead of laboratory animals.

  • OHAT_OilField

    Office of Health Assessment and Translation

    Assesses the evidence that environmental substances may cause health effects and provides opinions on whether they may be of concern given human exposure levels.

  • NTP Logo

    What is NTP?

    NTP is a federal interagency program headquartered at NIEHS, whose goal is to develop and apply tools of modern toxicology and molecular biology to identify substances in the environment that may affect human health.

NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.