RTECS NUMBER : EW4025000
CHEMICAL NAME : Calcium silicofluoride
CAS REGISTRY NUMBER : 16925-39-6
LAST UPDATED : 199701
DATA ITEMS CITED : 8
MOLECULAR FORMULA : Ca.F6-Si
MOLECULAR WEIGHT : 182.17
WISWESSER LINE NOTATION : CA SI-F6
SYNONYMS/TRADE NAMES :
* Calcium fluorosilicate
* Calcium fluosilicate
* Calcium hexafluorosilicate
* Silicate(2-), hexafluoro-, calcium (1:1)

*** REVIEWS ***

TOXICOLOGY REVIEW
AMSSAQ Acta Medica Scandinavica, Supplement. (Almqvist & Wiksell, POB
45150, S-10430 Stockholm, Sweden) No.1-730, 1921-88.
Volume(issue)/page/year: 400,5,1963

*** U.S. STANDARDS AND REGULATIONS ***

OSHA PEL (Gen Indu):8H TWA 2.5 mg(F)/m3
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 2.5 mg(F)/m3
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 2.5 mg(F)/m3
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 2.5 mg(F)/m3
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 FLUORIDES, INORGANIC-air:10H TWA 2.5 mg(F)/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 OCCUPATIONAL EXPOSURE SURVEY DATA :
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - X3988
No. of Facilities: 1 (estimated)
No. of Industries: 1
No. of Occupations: 5
No. of Employees: 39 (estimated)
No. of Female Employees: 2 (estimated)

*** STATUS IN U.S. ***

EPA TSCA Section 8(b) CHEMICAL INVENTORY