*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TH5775000
CHEMICAL NAME           : Phosphotungstic acid, sodium salt
CAS REGISTRY NUMBER     : 51312-42-6
LAST UPDATED            : 199712
DATA ITEMS CITED        : 18
WISWESSER LINE NOTATION : .NA4.O2 .P2..O5 .WO12O36 .QH18
SYNONYMS/TRADE NAMES :
   * Sodium phosphotungstate
   * Sodium tungstophosphate
   * Tungstophosphoric acid, sodium salt
 
                       *** 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           : 1600 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - excitement
   Behavioral - muscle weakness
REFERENCE :
   HYSAAV Hygiene and Sanitation (USSR).  English translation of GISAAA.
   (Springfield, VA)  1964-71. Discontinued.  Volume(issue)/page/year:
   31(7-9),197,1966
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 700 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - excitement
   Behavioral - muscle weakness
REFERENCE :
   HYSAAV Hygiene and Sanitation (USSR).  English translation of GISAAA.
   (Springfield, VA)  1964-71. Discontinued.  Volume(issue)/page/year:
   31(7-9),197,1966

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 1 mg(W)/m3; STEL 3 mg(W)/m3
   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:TWA 1 mg(W)/m3
   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:
   3,272,1971

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 1 mg(W)/m3;STEL 3 mg(W)/m3 JAN 1993
   
   OEL-BELGIUM:TWA 1 mg(W)/m3;STEL 3 mg(W)/m3 JAN 1993
   
   OEL-DENMARK:TWA 1 mg(W)/m3 JAN 1993
   
   OEL-FINLAND:TWA 1 mg(W)/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 1 mg(W)/m3 JAN 1993
   
   OEL-THE PHILIPPINES:TWA 3 mg(W)/m3 JAN 1993
   
   OEL-SWEDEN:TWA 1 mg(W)/m3 JAN 1993
   
   OEL-SWITZERLAND:TWA 1 mg(W)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 1 mg(W)/m3;STEL 3 mg(W)/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 TUNGSTEN, soluble-air:10H TWA 1 mg(W)/m3;STEL 3 mg/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 :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X9909
       No. of Facilities: 73 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 73 (estimated)
       No. of Female Employees: 73 (estimated)

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

 
                            *** END OF RECORD ***