National Toxicology Program

National Toxicology Program
  • Sulfolane slider image

    NTP Sulfolane Research

    Learn what NTP is doing to evaluate sulfolane.

  • WV researcher collecting water sample at the confluence

    NTP Response to West Virginia Chemical Spill

    Read the NTP research plan and get information on studies and findings

  • NTP update newsletter

    NTP Update - July

    Information about NTP activities and 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.