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: Cobalt dust, Welding fume (copper, zinc, lead oxide)
Nomination Date: 11/10/1999
Nominator: International Union, UAW
Rationale: Widespread occupational exposure; evidence for toxicity of mixture and components; gaps in available health effects data