*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TX2275000
CHEMICAL NAME           : Propane
CAS REGISTRY NUMBER     : 74-98-6
LAST UPDATED            : 199712
DATA ITEMS CITED        : 22
MOLECULAR FORMULA       : C3-H8
MOLECULAR WEIGHT        : 44.11
WISWESSER LINE NOTATION : 3H
COMPOUND DESCRIPTOR     : Agricultural Chemical
SYNONYMS/TRADE NAMES :
   * Dimethylmethane
   * Liquefied petroleum gas
   * LPG
   * Propane
   * n-Propane
   * Propyl hydride
   * R 290

                              *** REVIEWS ***
 
   ACGIH TLV-Simple asphyxiant, NO TWA
   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

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD:ASPHYXIANTS/GASES
   DTLWS* "Documentation of the Threshold Limit Values for Substances in
   Workroom Air," Supplements. For publisher information, see 85INA8.
   Volume(issue)/page/year: 3,215,1973

   OSHA PEL (Gen Indu):8H TWA 1000 ppm (1800 mg/m3)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1910.1000,1994

   OSHA PEL (Fed Cont):8H TWA 1000 ppm (1800 mg/m3)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   41,50-204.50,1994

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:Asphyxiant JAN 1993
   
   OEL-BELGIUM:Asphyxiant JAN 1993
   
   OEL-DENMARK:TWA 1000 ppm (1800 mg/m3) JAN 1993
   
   OEL-FINLAND:TWA 800 ppm (1100 mg/m3) JAN 1993
   
   OEL-GERMANY:TWA 1000 ppm (1800 mg/m3) JAN 1993
   
   OEL-HUNGARY:Asphyxiant JAN 1993
   
   OEL-THE NETHERLANDS:Asphyxiant JAN 1993
   
   OEL-THE PHILIPPINES:TWA 1000 ppm (1800 mg/m3) JAN 1993
   
   OEL-SWITZERLAND:TWA 1000 ppm (1800 mg/m3) JAN 1993
   
   OEL-UNITED KINGDOM:Asphyxiant JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

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

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO PROPANE-air:10H TWA 1000 ppm
REFERENCE :
   NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
   Health, Education, and Welfare, Reports and Memoranda.
   Volume(issue)/page/year: DHHS #92-100,1992

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 26615
       No. of Facilities: 95086 (estimated)
       No. of Industries: 342
       No. of Occupations: 192
       No. of Employees: 1005020 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 26615
       No. of Facilities: 129448 (estimated)
       No. of Industries: 396
       No. of Occupations: 236
       No. of Employees: 2071479 (estimated)
       No. of Female Employees: 528348 (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 ***