An official website of the United States government
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.
Nominated Substances: Sulfolane
Nomination Date: 09/07/2011
Nominator: Mayor Luke Hopkins, Fairbanks North Star Borough
Rationale: High production volume and use in oil and gas refining; public concern related to groundwater contamination in Alaska; inadequate data to evaluate potential adverse health effects from long-term exposures
NTP Principles: not specified