7727-43-7

MOLECULAR FORMULA :

O4-S.Ba

MOLECULAR WEIGHT :

233.40

WISWESSER LINE NOTATION :

.BA..S-O4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD - Lethal dose

ROUTE OF EXPOSURE :

Intratracheal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

>600 uL/kg

TOXIC EFFECTS :

Lungs, Thorax, or Respiration - other changes

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intrapleural

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

200 mg/kg

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors

MUTATION DATA

TEST SYSTEM :

Rodent - mouse

REFERENCE :

GWZHEW Gongye Weisheng Yu Zhiyebing. Industrial Health and Occupational Diseases. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 1973- Volume(issue)/page/year: 12,77,1986 *** REVIEWS *** ACGIH TLV-TWA 10 mg/m3, Inhalable particulate 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 TOXICOLOGY REVIEW 31BYAP "Experimental Lung Cancer: Carcinogenesis and Bioassays, International Symposium, 1974," Karbe, E., and J.F. Park, eds., Springer-Verlag New York, Inc., 1974 Volume(issue)/page/year: -,94,1974 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.5 mg(Ba)/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: 3,21,1971 OSHA PEL (Gen Indu):8H TWA 15 mg/m3, total dust 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 (Gen Indu):8H TWA 5 mg/m3, respirable fraction 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 15 mg/m3, total dust 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 (Construc):8H TWA 5 mg/m3, respirable fraction 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 15 mg/m3, total dust 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 (Shipyard):8H TWA 5 mg/m3, respirable fraction CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 10 mg/m3 JAN 1993 OEL-BELGIUM:TWA 10 mg/m3 (resp. dust) JAN 1993 OEL-UNITED KINGDOM:TWA 2 mg/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 BARIUM SULFATE, respirable fraction-air:10H TWA 5 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 BARIUM SULFATE, total dust-air:10H TWA 10 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 - 80611 No. of Facilities: 18620 (estimated) No. of Industries: 173 No. of Occupations: 104 No. of Employees: 188781 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80611 No. of Facilities: 25446 (estimated) No. of Industries: 200 No. of Occupations: 133 No. of Employees: 363169 (estimated) No. of Female Employees: 96327 (estimated)