*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : CT9450000
CHEMICAL NAME           : Bentonite
CAS REGISTRY NUMBER     : 1302-78-9
OTHER CAS REGISTRY NOS. : 11004-12-9
LAST UPDATED            : 199710
DATA ITEMS CITED        : 10
WISWESSER LINE NOTATION : .AL2.SI4.C10.Q2.QH#
COMPOUND DESCRIPTOR     : Tumorigen
SYNONYMS/TRADE NAMES :
   * Albagel Premium USP 4444
   * Bentonite 2073
   * Bentonite magma
   * HI-Jel
   * Imvite I.G.B.A
   * Magbond
   * Montmorillonite
   * Panther creek bentonite
   * Southern bentonite
   * Tixoton
   * Volcaly bentonite BC
   * Volclay
   * Wilkinite
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 35 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - acute pulmonary edema
REFERENCE :
   BSIBAC Bolletino della Societe Italiana di Biologia Sperimentale.  (Casa
   Editrice Idelson, Via A. de Gasperi, 55, 80133 Naples, Italy)  V.2- 1927- 
   Volume(issue)/page/year: 44,1685,1968
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 10 mg/kg
TOXIC EFFECTS :
   Vascular - thrombosis distant from injection site
REFERENCE :
   JCINAO Journal of Clinical Investigation.  (Rockefeller Univ. Press, 1230
   York Ave., New York, NY 10021)  V.1-    1924-  Volume(issue)/page/year:
   42,860,1963
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 12000 gm/kg/28W-C
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Liver - tumors
REFERENCE :
   ANYAA9 Annals of the New York Academy of Sciences.  (New York Academy of
   Sciences, 2 E. 63rd St., New York, NY 10021)  V.1-    1877-
   Volume(issue)/page/year: 57,678,1954

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 90340
       No. of Facilities: 22741 (estimated)
       No. of Industries: 169
       No. of Occupations: 130
       No. of Employees: 286502 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X1608
       No. of Facilities: 70 (estimated)
       No. of Industries: 3
       No. of Occupations: 3
       No. of Employees: 1732 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X9436
       No. of Facilities: 171 (estimated)
       No. of Industries: 2
       No. of Occupations: 4
       No. of Employees: 6525 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X9494
       No. of Facilities: 115 (estimated)
       No. of Industries: 4
       No. of Occupations: 3
       No. of Employees: 11850 (estimated)
       No. of Female Employees: 11045 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 90340
       No. of Facilities: 31430 (estimated)
       No. of Industries: 212
       No. of Occupations: 147
       No. of Employees: 545795 (estimated)
       No. of Female Employees: 36750 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***