*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : CF2300000
CHEMICAL NAME           : Argon
CAS REGISTRY NUMBER     : 7440-37-1
LAST UPDATED            : 199712
DATA ITEMS CITED        : 16
MOLECULAR FORMULA       : Ar
MOLECULAR WEIGHT        : 39.95
WISWESSER LINE NOTATION : .AR
SYNONYMS/TRADE NAMES :
   * Argon-40
   * Argon

                              *** 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:air-ASPHYXIANTS/GASES
   DTLWS* "Documentation of the Threshold Limit Values for Substances in
   Workroom Air," Supplements. For publisher information, see 85INA8.
   Volume(issue)/page/year: 3,11,1973

   OSHA PEL (Construc):simple asphyxiant - inert gas and vapor
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1926.55,1994

   OSHA PEL (Shipyard):Simple asphyxiant - inert gas and vapor
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1915.1000,1993

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:Asphyxiant JAN 1993
   
   OEL-BELGIUM:Asphyxiant JAN 1993
   
   OEL-HUNGARY:Asphyxiant JAN 1993
   
   OEL-THE NETHERLANDS:Asphyxiant JAN 1993
   
   OEL-SWITZERLAND:Asphyxiant 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 OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 07485
       No. of Facilities: 18257 (estimated)
       No. of Industries: 166
       No. of Occupations: 75
       No. of Employees: 176856 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X6964
       No. of Facilities: 3 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 11 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 07485
       No. of Facilities: 3774 (estimated)
       No. of Industries: 60
       No. of Occupations: 56
       No. of Employees: 66657 (estimated)
       No. of Female Employees: 10463 (estimated)

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

 
                            *** END OF RECORD ***