Silicate, soapstone
SUBSTANCE DEFINITION :
Containing less than 1% crystalline silica
REFERENCE :
FEREAC Federal Register. (U.S. Government Printing Office, Supt. of
Documents, Washington, DC 20402) V.1- 1936-
RTECS NUMBER : VV8780000
CHEMICAL NAME : Silicate, soapstone
SUBSTANCE DEFINITION :
Containing less than 1% crystalline silica
REFERENCE :
FEREAC Federal Register. (U.S. Government Printing Office, Supt. of
Documents, Washington, DC 20402) V.1- 1936-
LAST UPDATED : 199712
DATA ITEMS CITED : 8
MOLECULAR FORMULA : 3Mg-O.4Si-O2.H2-O
MOLECULAR WEIGHT : 251.31
SYNONYMS/TRADE NAMES :
* Massive talc
* Silicates : soapstone
* Soapstone silicate
* Steatite
*** REVIEWS ***
ACGIH TLV-TWA 3 mg/m3, respirable dist
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
(BEIs) booklet issues by American Conference of Governmental Industrial
Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year:
TLV/BEI,1997
ACGIH TLV-TWA 6 mg/m3, inhalable dust
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
(BEIs) booklet issues by American Conference of Governmental Industrial
Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year:
TLV/BEI,1997
*** U.S. STANDARDS AND REGULATIONS ***
OSHA PEL (Gen Indu):8H TWA 20 mppcf
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1910.1000,1994
OSHA PEL (Construc):8H TWA 20 mppcf
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1926.55,1994
OSHA PEL (Shipyard):8H TWA 20 mppcf
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1915.1000,1993
OSHA PEL (Fed Cont):8H TWA 20 mppcf
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
41,50-204.50,1994
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
NIOSH REL TO SILICATES: SOAPSTONE, res. fraction-air:10H TWA 3 mg/m3
REFERENCE :
NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
Health, Education, and Welfare, Reports and Memoranda.
Volume(issue)/page/year: DHHS #92-100,1992
NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
NIOSH REL TO SILICATES: SOAPSTONE, total dust-air:10H TWA 3 mg/m3
REFERENCE :
NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
Health, Education, and Welfare, Reports and Memoranda.
Volume(issue)/page/year: DHHS #92-100,1992
*** END OF RECORD ***
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