*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XQ3700000
CHEMICAL NAME           : Tin monoxide
CAS REGISTRY NUMBER     : 21651-19-4
LAST UPDATED            : 199710
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : O-Sn
MOLECULAR WEIGHT        : 134.69
SYNONYMS/TRADE NAMES :
   * Stannous oxide
   * Tin oxide
   * Tin(II) oxide

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   OSHA PEL (Shipyard):8H TWA 15 mg/m3, total dust
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1915.1000,1993

   OSHA PEL (Shipyard):8H TWA 5 mg/m3, respirable fraction
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1915.1000,1993

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 82157
       No. of Facilities: 71 (estimated)
       No. of Industries: 4
       No. of Occupations: 4
       No. of Employees: 2018 (estimated)
       No. of Female Employees: 737 (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   EPA TSCA Section 8(d) unpublished health/safety studies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 ***