National Center for Toxicological Research

The National Center for Toxicological Research (NCTR) is the branch of the United States Food and Drug Administration which conducts research to define biological mechanisms of action underlying the toxicity of products regulated by the FDA. Its director is William Slikker, Jr., PhD. 
The FDA toxicological research facility is geographically adjacent to the Pine Bluff Arsenal. The research center is located off Interstate 530 in Jefferson, Arkansas. It is the only FDA center located outside the Washington, D.C. area, and its campus takes up approximately 1 million square feet. NCTR was established by executive order in 1971.