NAME: Talc (Containing no asbestos)
SYNONYM(s):
Hydrous magnesium silicate; Non-fibrous talc; Non-asbestiform talc;
Steatite talc; Fibrous Non-Tremolite Talc; Talc (Total) prior to +
9/1/89
IMIS: 9030
CAS: 14807-96-6
NIOSH: RTECS VV7720000
DESCRIPTION:
Odorless solid.
MW:
295
VP:
approx. 0 mm
MP:
1652 to
1832 F
INCOM:
None hazardous
Exposure Limits
OSHA GENERAL INDUSTRY PEL:
(See 29 CFR 1910.1000 Table Z-3)
OSHA CONSTRUCTION INDUSTRY PEL:
20 mppcf (Mineral Dusts Table)
ACGIH TLV:
2 mg/m3 TWA; The value is for particulate matter containing no
asbestos and <1% crystalline silica. (Respirable fraction) Appendix A4
(Not Classifiable as a Human Carcinogen)
NIOSH REL: 2 mg/m3 TWA
Health Factors
IARC:
Group 3, not classifiable as to its carcinogenicity to humans
SYMPTOM(s):
Fibrotic pneumoconiosis
HEALTH EFFECTS:
Pneumoconiosis (Talcosis) (HE10)
ORGAN:
Lungs, CVS
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA:
Tared Low Ash Polyvinyl Chloride (LAPVC) filter 5 microns with 10 mm Nylon Cyclone
MAX V:
816 Liters MAX F:
1.7 L/min
ANL 1:
Gravimetric Analysis
REF:
11, 12
SAE:
0.10
CLASS:
Fully Validated
NOTE:
Gravimetric analysis is a field method, do not submitted sample to SLTC. Standard is for inert dust; noncompliance can be based on gross weight without laboratory analysis. If the filter is not overloaded, samples may be collected up to an 8-hour period. Sample may be submitted to SLTC for Quartz analysis.
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