National Toxicology Program

National Toxicology Program

Nomination Summary for Silica, crystalline-quartz (N91216)

Silica, crystalline-quartz

Nominated Substances: Silica, crystalline - quartz

Nomination Date: 04/05/1991

Nominator: California EPA

Rationale: Widespread occurrence; classified as potential human carcinogen by IARC; need for additional evaluation.

NTP Principles: not specified

Status: In Review/Pending

Agents and Status

The following information relates to the specific agent and may include history from earlier or later nominations for this same agent.

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CASRN: 14808-60-7

Agent Name: Silica, crystalline - quartz

NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.