*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : OG2880000
CHEMICAL NAME           : Lead oxide phosphonate, hemihydrate
CAS REGISTRY NUMBER     : 1344-40-7
LAST UPDATED            : 199712
DATA ITEMS CITED        : 23
MOLECULAR FORMULA       : H-O5-P-Pb3.1/2H2-O
MOLECULAR WEIGHT        : 742.56
SYNONYMS/TRADE NAMES :
   * C.I. 77620
   * Dibasic lead metaphosphate
   * Dibasic lead phosphite
   * Lead dibasic phosphite
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >6 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 10,44,1960

                              *** 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 OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - M2566
       No. of Facilities: 361 (estimated)
       No. of Industries: 11
       No. of Occupations: 25
       No. of Employees: 5826 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - M2566
       No. of Facilities: 2027 (estimated)
       No. of Industries: 22
       No. of Occupations: 25
       No. of Employees: 56666 (estimated)
       No. of Female Employees: 2190 (estimated)

 
                            *** END OF RECORD ***