Asbestos
CAS Number
1332-21-4Synonym
Asbestos fiber; Ascarite; Calidria-asbestos
Occurrence/Use
Heat resistant agent used in construction materials, clothing, disk brake pads, gaskets. Use in the US banned for spray-applied surfacing (1973, 1978, 1990); pipe and block insulation on facility components (1975); papers, flooring felt, and rollboard (1976); artificial embers and wall-patching compounds (1977).
California Public Health Goals Data
| Update Date: | |
|---|---|
| Public Health Goal (mg/L): | 7 million fibers/L |
| Health Risk Category: | Carcinogenicity |
| Cancer Risk at Public Health Goal: | 0.000001 |
| CA Maximum Contaminant Level (mg/L): | 7 million fibers/L |
| Cancer Risk at Maximum Contaminant Level (MCL): | 0.000001 |
| Public Health Goal Technical Support Document: |
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