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: Magnesium oxide
Nomination Date: 02/22/2002
Nominator: NCI
Rationale: High production volume industrial chemical; widespread occupational exposure; lack of chronic inhalation toxicity data
NTP Principles: not specified