*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EM9032000
CHEMICAL NAME           : Butene, polymers
CAS REGISTRY NUMBER     : 9003-29-6
LAST UPDATED            : 199710
DATA ITEMS CITED        : 7
MOLECULAR FORMULA       : (C4-H8)x
SYNONYMS/TRADE NAMES :
   * Polybutene
   * Polybutenes
 
                       *** HEALTH HAZARD DATA ***
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 700 mg/m3/7H/2W-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   ENVRAL Environmental Research.  (Academic Press, Inc., 1 E. First St.,
   Duluth, MN 55802) V.1-    1967-  Volume(issue)/page/year: 53,48,1990

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION
   FEREAC Federal Register.  (U.S. Government Printing Office, Supt. of
   Documents, Washington, DC 20402) V.1-    1936-  Volume(issue)/page/year:
   54,7740,1989

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - M0521
       No. of Facilities: 19186 (estimated)
       No. of Industries: 173
       No. of Occupations: 98
       No. of Employees: 251242 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X6800
       No. of Facilities: 22477 (estimated)
       No. of Industries: 188
       No. of Occupations: 124
       No. of Employees: 450367 (estimated)
       No. of Female Employees: 82045 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***