*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YO7757000
CHEMICAL NAME           : Tungsten-nickel catalyst dust
SUBSTANCE DEFINITION :
   Composed of 50% tungstic oxide, 24% nickel oxide, and 24% sulfur
REFERENCE :
   NTIMBF Nauchnye Trudy, Irkutskii Gosudarstvennyi Meditsinskii Institut.
   Scientific Works, Irkutsk State Medical Institute.  (Irkutskii
   Gosudarstvennyi Meditsinskii Institut, Irkutsk, USSR) No.80-    1967-
   Volume(issue)/page/year: 115,30,1972
LAST UPDATED            : 199712
DATA ITEMS CITED        : 5
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4 gm/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - emphysema
   Lungs, Thorax, or Respiration - consolidation
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   NTIMBF Nauchnye Trudy, Irkutskii Gosudarstvennyi Meditsinskii Institut.
   Scientific Works, Irkutsk State Medical Institute.  (Irkutskii
   Gosudarstvennyi Meditsinskii Institut, Irkutsk, USSR) No.80-    1967-
   Volume(issue)/page/year: 115,30,1972
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intratracheal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 120 ug/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - emphysema
   Lungs, Thorax, or Respiration - consolidation
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   NTIMBF Nauchnye Trudy, Irkutskii Gosudarstvennyi Meditsinskii Institut.
   Scientific Works, Irkutsk State Medical Institute.  (Irkutskii
   Gosudarstvennyi Meditsinskii Institut, Irkutsk, USSR) No.80-    1967-
   Volume(issue)/page/year: 115,30,1972
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2150 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - emphysema
   Lungs, Thorax, or Respiration - consolidation
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   NTIMBF Nauchnye Trudy, Irkutskii Gosudarstvennyi Meditsinskii Institut.
   Scientific Works, Irkutsk State Medical Institute.  (Irkutskii
   Gosudarstvennyi Meditsinskii Institut, Irkutsk, USSR) No.80-    1967-
   Volume(issue)/page/year: 115,30,1972

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 1 mg(Ni)/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-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

 
                            *** END OF RECORD ***