Nomination Date: 10/14/2005
Nominator: Private Individual
Rationale: Use in skin care and pharmaceutical products; inhalation exposures associated with autoimmune disease; lack of toxicity data for oral and dermal exposures.
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: Amorphous silica
Agent Name: Silica, crystalline - quartz