NAME: Silica, Fused (Respirable Dust)
SYNONYM(s):
Silica (Fused) prior to 9/1/89
IMIS: 9013
CAS: 60676-86-0
DESCRIPTION:
Solid.
Exposure Limits
THRESHOLD LIMIT VALUE:
0.1 mg/m3 TWA
RECOMMENDED EXPOSURE LIMIT:
0.05 mg/m3 TWA; Potential carcinogen
Health Factors
IARC:
Silica - Group 3, not classifiable as to its carcinogenicity to humans
(Amorphous Silica)
HEALTH EFFECTS:
Pneumoconiosis (HE10)
Monitoring
SLC1:
See Particulates not otherwise regulated (Respirable Fraction) .
REF:
11, 2 (OSHA ID-142)
NOTE:
Fused silica does not diffract X-rays; evaluate + gravimetrically. Submit respirable sample to SLTC for quartz analysis.
WIPE:
No
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