*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : VV8925000
CHEMICAL NAME           : Silicic acid, beryllium salt
CAS REGISTRY NUMBER     : 15191-85-2
LAST UPDATED            : 199712
DATA ITEMS CITED        : 34
MOLECULAR FORMULA       : O4-Si.2Be
MOLECULAR WEIGHT        : 110.11
WISWESSER LINE NOTATION :  BE2 SI-O4
COMPOUND DESCRIPTOR     : Tumorigen
SYNONYMS/TRADE NAMES :
   * Beryllium silicate (Be2SiO4)
   * Beryllium silicic acid
   * Beryllium orthosilicate
   * Beryllium silicon oxide (Be2SiO4)
   * Diberyllium monosilicate
 
                       *** HEALTH HAZARD DATA ***
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 500 mg/kg
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Tumorigenic - tumor types after systemic administration not seen
   spontaneously
REFERENCE :
   AICCA6 Acta Unio Internationalis Contra Cancrum.  (Louvain, Belgium) V.1-20,
   1936-64.  For publisher information, see IJCNAW. Volume(issue)/page/year:
   7,171,1950
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Implant
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 10 mg/kg
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Musculoskeletal - tumors
REFERENCE :
   ARPAAQ Archives of Pathology.  (Chicago, IL)  V.5(3)-50(3), 1928-50;
   V.70-99, 1960-75.  For publisher information, see APLMAS.
   Volume(issue)/page/year: 88,89,1969

                              *** REVIEWS ***
 
   ACGIH TLV-SUSPECTED HUMAN CARCINOGEN
   85INA8 "Documentation of the Threshold Limit Values and Biological Exposure
   Indices," 5th ed., Cincinnati, OH, American Conference of Governmental
   Industrial Hygienists, Inc., 1986  Volume(issue)/page/year: 6,1/BEI,1997

   ACGIH TLV-TWA 0.002 mg(Be)/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

   ACGIH TLV-Suspected human 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

   IARC Cancer Review:Animal Sufficient Evidence
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 23,143,1980

   IARC Cancer Review:Group 2A
   IMSUDL IARC Monographs, Supplement.  (WHO Publications Centre USA, 49
   Sheridan Ave., Albany, NY 12210)  No.1-    1979-  Volume(issue)/page/year:
   7,127,1987

   TOXICOLOGY REVIEW
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 9,105,1971

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   OSHA PEL (Gen Indu):8H TWA 0.002 mg(Be)/m3
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1910.1000,1994

   OSHA PEL (Construc):8H TWA 0.002 mg(Be)/m3
   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):8H TWA 0.002 mg(Be)/m3
   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 (Fed Cont):8H TWA 0.002 mg(Be)/m3
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   41,50-204.50,1994

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-ARAB Republic of Egypt:TWA 0.002 mg(Be)/m3 JAN 1993
   
   OEL-AUSTRALIA:TWA 0.002 mg(Be)/m3;Carcinogen JAN 1993
   
   OEL-BELGIUM:TWA 0.002 mg(Be)/m3;Carcinogen JAN 1993
   
   OEL-DENMARK:TWA 0.001 mg(Be)/m3;Carcinogen JAN 1993
   
   OEL-FINLAND:TWA 0.002 mg(Be)/m3;STEL 0.006 mg(Be)/m3;Carcinogen JAN 1993
   
   OEL-FRANCE:TWA 0.002 mg(Be)/m3;Carcinogen JAN 1993
   
   OEL-GERMANY;Carcinogen JAN 1993
   
   OEL-HUNGARY:STEL 0.001 mg(Be)/m3;Carcinogen JAN 1993
   
   OEL-INDIA:TWA 0.002 mg(Be)/m3;Carcinogen JAN 1993
   
   OEL-JAPAN:TWA 0.002 mg(Be)/m3;Carcinogen JAN 1993
   
   OEL-THE NETHERLANDS:TWA 0.002 mg(Be)/m3 JAN 1993
   
   OEL-THE PHILIPPINES:TWA 0.002 mg(Be)/m3 JAN 1993
   
   OEL-POLAND:TWA 0.001 mg(Be)/m3 JAN 1993
   
   OEL-RUSSIA:STEL 0.001 mg(Be)/m3;Carcinogen JAN 1993
   
   OEL-SWEDEN:TWA 0.002 mg(Be)/m3;Carcinogen JAN 1993
   
   OEL-SWITZERLAND:TWA 0.002 mg(Be)/m3;Carcinogen JAN 1993
   
   OEL-THAILAND:TWA 0.002 mg(Be)/m3;STEL 0.005 mg(Be)/m3 JAN 1993
   
   OEL-TURKEY:TWA 0.002 mg(Be)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 0.002 mg(Be)/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 BERYLLIUM-air:CA not to exceed 0.0005 mg(Be)/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

 
                            *** END OF RECORD ***