U.S. flag

An official website of the United States government

Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

NTP Logo

Annual Report for Fiscal Year 2018

Annual Report for Fiscal Year 2018

a picture of mountains, sunbeams, and field of flowers and text over the image saying Evaluating agents of public health concern through toxicology testing, research and analysis.


Welcome to the 2018 Annual Report

"The NTP serves a critical role for our nation. It provides a unique, consolidated venue for toxicology research, testing, and analysis to occur." - Dr. Linda Birnbaum, NIEHS and NTP Director

Read the 2018 Letter from the NIEHS and NTP Director.