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.

The FDA toxicological research facility is geographically within the confines of the Pine Bluff Arsenal

Pine Bluff Arsenal

The Pine Bluff Arsenal is a US Army installation located in Jefferson County, Arkansas, just northwest of the city of Pine Bluff. PBA is one of the six Army installations in the United States that store chemical weapons...

. The research center is located off Interstate 530

Interstate 530

Interstate 530 in Arkansas is a spur route of the Interstate highway system, traveling from Little Rock at the junction of Interstate 30 and Interstate 440 in the northwest, to Pine Bluff in the southeast.-Route description:...

 in Jefferson

Jefferson, Jefferson County, Arkansas

Jefferson is an unincorporated community in Jefferson County, Arkansas, United States. Jefferson is located along Arkansas Highway 365 northwest of Pine Bluff. Jefferson has a post office with ZIP code 72079....

, Arkansas

Arkansas

Arkansas is a state located in the southern region of the United States. Its name is an Algonquian name of the Quapaw Indians. Arkansas shares borders with six states , and its eastern border is largely defined by the Mississippi River...

.