*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : LK1400000
CHEMICAL NAME           : Ferrosilicon
CAS REGISTRY NUMBER     : 8049-17-0
LAST UPDATED            : 199504
DATA ITEMS CITED        : 4
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >20 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: AD-A062-138
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 194 mg/m3/6H/26W-I
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - other changes
   Lungs, Thorax, or Respiration - changes in lung weight
   Biochemical - Metabolism (Intermediary) - lipids including transport
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 22(6),28,1978

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 82786
       No. of Facilities: 671 (estimated)
       No. of Industries: 12
       No. of Occupations: 42
       No. of Employees: 13768 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 82786
       No. of Facilities: 6542 (estimated)
       No. of Industries: 82
       No. of Occupations: 42
       No. of Employees: 123000 (estimated)
       No. of Female Employees: 732 (estimated)

 
                            *** END OF RECORD ***