Specific Substances: Manganese dioxide
Nomination Date: 07/00/1979
Rationale: Sufficient acute data for OSHA to lower permissible exposure limit (PEL). Monthly intramuscular administration to rats and mice negative for carcinogenicity (lifetime study).
NTP Principles: not specified
Agents and Status
The following information relates to the specific agent and may include history from earlier or later nominations for this same agent.
Agent Name: Manganese dioxide