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Synonyms: Hydrous magnesium silicate; Non-fibrous talc; Non-asbestiform talc; Steatite talc; Fibrous Non-Tremolite Talc; Talc (Total) prior to + 9/1/89
OSHA IMIS Code Number: 9030
Chemical Abstracts Service (CAS) Registry Number: 14807-96-6
NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: WW2710000
NIOSH Pocket Guide to Chemical Hazards, Talc (Containing no asbestos): chemical description, physical properties, potentially hazardous incompatibilities, and more
Chemical Description and Physical Properties:
odorless solidIncompatibilities None hazardous
OSHA Permissible Exposure Limit (PEL):
General Industry: See 29 CFR 1910.1000 Table Z-3American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (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)
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 2 mg/m3 TWA
International Agency for Research on Cancer (IARC): Group 3, not classifiable as to its carcinogenicity to humans [1 MB PDF, 137 pages]Potential Symptoms: Fibrotic pneumoconiosis
Health Effects: Pneumoconiosis (Talcosis) (HE10)
Affected Organs: Lungs, CVS
Primary Laboratory Sampling/Analytical Method (SLC1):
Page last updated: 01/15/1999
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