*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : OG0700000
CHEMICAL NAME           : Lead dioxide
CAS REGISTRY NUMBER     : 1309-60-0
LAST UPDATED            : 199712
DATA ITEMS CITED        : 26
MOLECULAR FORMULA       : O2-Pb
MOLECULAR WEIGHT        : 239.19
WISWESSER LINE NOTATION :  PB  O2
SYNONYMS/TRADE NAMES :
   * Bioxyde de plomb
   * C.I. 77580
   * Lead Brown
   * Lead Oxide Brown
   * Lead peroxide
   * Lead superoxide
   * Peroxyde de plomb
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 220 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EQSSDX Environmental Quality and Safety, Supplement.  (Stuttgart, Fed. Rep.
   Ger.)  V.1-5, 1975-76. Discontinued.  Volume(issue)/page/year: 1,1,1975

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 0.05 mg(Pb)/m3; animal carcinogen
   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

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-ARAB Republic of Egypt:TWA 0.05 mg(Pb)/m3 JAN 1993
   
   OEL-AUSTRALIA:TWA 0.15 mg(Pb)/m3 JAN 1993
   
   OEL-AUSTRIA:TWA 0.1 mg(Pb)/m3 JAN 1993
   
   OEL-BELGIUM:TWA 0.15 mg(Pb)/m3 JAN 1993
   
   OEL-DENMARK:TWA 0.1 mg(Pb)/m3 JAN 1993
   
   OEL-FINLAND:TWA 0.1 mg(Pb)/m3 JAN 1993
   
   OEL-FRANCE:TWA 0.15 mg(Pb)/m3 JAN 1993
   
   OEL-GERMANY:TWA 0.1 mg(Pb)/m3 JAN 1993
   
   OEL-HUNGARY:STEL 0.04 mg(Pb)/m3;Carcinogen JAN 1993
   
   OEL-THE PHILIPPINES:TWA 0.15 mg(Pb)/m3 JAN 1993
   
   OEL-RUSSIA:STEL 0.005 ppm (0.01 mg(Pb)/m3) JAN 1993
   
   OEL-SWEDEN:TWA 0.05 mg(Pb)/m3 (resp. dust) JAN 1993
   
   OEL-SWEDEN:TWA 0.1 mg(Pb)/m3 (total dust) JAN 1993
   
   OEL-SWITZERLAND:TWA 0.1 mg(Pb)/m3 JAN 1993
   
   OEL-THAILAND:TWA 0.2 mg(Pb)/m3 JAN 1993
   
   OEL-TURKEY:TWA 0.2 mg(Pb)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 0.15 mg(Pb)/m3 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 LEAD, INORGANIC-air:10H TWA <0.1 mg(Pb)/m3
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 - 84544
       No. of Facilities: 384 (estimated)
       No. of Industries: 17
       No. of Occupations: 17
       No. of Employees: 3376 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 84544
       No. of Facilities: 884 (estimated)
       No. of Industries: 16
       No. of Occupations: 29
       No. of Employees: 21708 (estimated)
       No. of Female Employees: 5892 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***