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Copyrights & Disclaimers

Copyright Information

Links to the National Toxicology Program (NTP) websites are welcomed. Unless a copyright is indicated, information on the NTP website is within the public domain and may be copied and distributed without permission, although citation of NTP as the source of the information is appreciated.

If a copyright is indicated on a photo, graphic, or other medium, permission must be obtained from the original source.

Website Disclaimer

The NTP website links to several other federal agencies. In some cases, the site also links to private organizations. Remember that you are subject to each site's individual privacy policy when you leave our site.

Any reference on the NTP website for a commercial product, process, service, manufacturer, or company does not constitute its endorsement or recommendation by the U.S. Government, NTP, or the National Institute of Environmental Health Sciences. NTP is not responsible for the content of any off-site web page referenced on the NTP website.