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.

Https

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.

RR-12: NTP Research Report on Synthetic Turf/Recycled Tire Crumb Rubber: Characterization of the Leachability and Cytotoxicity of Crumb Rubber In Vitro



Study Data


Study Data


Human Lung Cells


24 Hour Exposure

72 Hour Exposure


Human Skin Cells


24 Hour Exposure

72 Hour Exposure


Human Small Intestine Cells


24 Hour Exposure