RTECS NUMBER : YO7840000
CHEMICAL NAME : Tungstic acid
CAS REGISTRY NUMBER : 11105-11-6
LAST UPDATED : 199712
DATA ITEMS CITED : 17
MOLECULAR FORMULA : H2-O4-W
MOLECULAR WEIGHT : 249.87
WISWESSER LINE NOTATION : ..H2.W-O4
COMPOUND DESCRIPTOR : Primary Irritant
SYNONYMS/TRADE NAMES :
* Kyselina wolframova
*** HEALTH HAZARD DATA ***
** SKIN/EYE IRRITATION DATA **
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration into the eye
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 500 mg/24H
REACTION SEVERITY : Mild
REFERENCE :
28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku,"
Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu
Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,19,1972
*** REVIEWS ***
ACGIH TLV-TWA 5 mg(W)/m3; STEL 10 mg(W)/m3
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 ***
MSHA STANDARD-air:TWA 5 mg(W)/m3
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:
3,272,1971
*** OCCUPATIONAL EXPOSURE LIMITS ***
OEL-AUSTRALIA:TWA 5 mg(W)/m3;STEL 10 mg(W)/m3 JAN 1993
OEL-BELGIUM:TWA 5 mg(W)/m3;STEL 10 mg(W)/m3 JAN 1993
OEL-DENMARK:TWA 5 mg(W)/m3 JAN 1993
OEL-FINLAND:TWA 5 mg(W)/m3 JAN 1993
OEL-THE NETHERLANDS:TWA 5 mg(W)/m3 JAN 1993
OEL-THE PHILIPPINES:TWA 1 mg(W)/m3 JAN 1993
OEL-SWEDEN:TWA 5 mg(W)/m3 JAN 1993
OEL-SWITZERLAND:TWA 5 mg(W)/m3 JAN 1993
OEL-UNITED KINGDOM:TWA 5 mg(W)/m3;STEL 10 mg(W)/m3 JAN 1993
OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
NIOSH REL TO TUNGSTEN, soluble-air:10H TWA 1 mg(W)/m3;STEL 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 OCCUPATIONAL EXPOSURE SURVEY DATA :
NOHS - National Occupational Hazard Survey (1974)
NOHS Hazard Code - 82043
No. of Facilities: 621 (estimated)
No. of Industries: 1
No. of Occupations: 3
No. of Employees: 3435 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - 82043
No. of Facilities: 81 (estimated)
No. of Industries: 3
No. of Occupations: 7
No. of Employees: 5205 (estimated)
No. of Female Employees: 1480 (estimated)
*** END OF RECORD ***
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