Silica (crystalline, respirable)
Synonym
Silicon dioxide, Quartz, 7631-86-9
Occurrence/Use
Manufacture of glass, abrasives, ceramics, enamels, heat insulators, fire- and acid-prove packing materials; clarifying and filtration agent, molds for castings, decolorizing and purifying oil/petroleum, industrial filler
Chronic REL
| Chronic Inhalation REL (μg/m3): | 3 |
|---|---|
| Chronic Target Organs: | Respiratory system |
| Human Data: | Yes |
| Last Chronic REL Revision: | 2005 |
| Chronic Reference Exposure Levels Comments: |
OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D3
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