7704-99-6

MOLECULAR FORMULA :

H2-Zr

MOLECULAR WEIGHT :

93.24

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intratracheal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

45 gm/kg/26W-I

TOXIC EFFECTS :

Blood - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - dehydrogenases

REFERENCE :

GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 37(7),36,1972 *** REVIEWS *** ACGIH TLV-TWA 5 mg(Zr)/m3; STEL 10 mg(Zr)/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 ACGIH TLV-Not classifiable as a human carcinogen 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(Zr)/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: 3,285,1971 OSHA PEL (Gen Indu):8H TWA 5 mg(Zr)/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 5 mg(Zr)/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 5 mg(Zr)/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 5 mg(Zr)/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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 5 mg(Zr)/m3;STEL 10 mg(Zr)/m3 JAN 1993 OEL-BELGIUM:TWA 5 mg(Zr)/m3;STEL 10 mg(Zr)/m3 JAN 1993 OEL-DENMARK:TWA 5 mg(Zr)/m3 JAN 1993 OEL-FINLAND:TWA 5 mg(Zr)/m3 JAN 1993 OEL-GERMANY:TWA 5 mg(Zr)/m3 JAN 1993 OEL-HUNGARY:STEL 5 mg(Zr)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 5 mg(Zr)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 5 mg(Zr)/m3 JAN 1993 OEL-SWITZERLAND:TWA 5 mg(Zr)/m3 JAN 1993 OEL-TURKEY:TWA 5 mg(Zr)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 5 mg(Zr)/m3;STEL 10 mg(Zr)/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 OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82060 No. of Facilities: 100 (estimated) No. of Industries: 2 No. of Occupations: 3 No. of Employees: 242 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82060 No. of Facilities: 37 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 44 (estimated) No. of Female Employees: 5 (estimated)