*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UD1010000
CHEMICAL NAME           : Propene, 2-methyl-, polymers
CAS REGISTRY NUMBER     : 9003-27-4
LAST UPDATED            : 199701
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : (C4-H8)x
SYNONYMS/TRADE NAMES :
   * Polyisobutylene

                    *** 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 - T1557
       No. of Facilities: 11 (estimated)
       No. of Industries: 1
       No. of Occupations: 2
       No. of Employees: 205 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - T1557
       No. of Facilities: 23863 (estimated)
       No. of Industries: 209
       No. of Occupations: 130
       No. of Employees: 439298 (estimated)
       No. of Female Employees: 44557 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***