Nomination Summary for Metals (N94006)
Nominated Substances: Cobalt dust, Welding fume (copper, zinc, lead oxide)
Nomination Date: 04/05/1994
Nominator: International Union, UAW
Rationale: Substantial exposure in the transportation equipment and related metalworking industries; evidence for human health risks, particularly occupational cancer and respiratory toxicity found in epidemiological studies.
NTP Principles: not specified