*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : DS4025000
CHEMICAL NAME : Beryllium oxide
CAS REGISTRY NUMBER : 1304-56-9
LAST UPDATED : 199712
DATA ITEMS CITED : 50
MOLECULAR FORMULA : Be-O
MOLECULAR WEIGHT : 25.01
WISWESSER LINE NOTATION : BE O
COMPOUND DESCRIPTOR : Tumorigen
Mutagen
Reproductive Effector
SYNONYMS/TRADE NAMES :
* Beryllia
* Beryllium monoxide
* Thermalox
*** HEALTH HAZARD DATA ***
** TUMORIGENIC DATA **
TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 28 mg/m3/17W-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Lungs, Thorax, or Respiration - tumors
REFERENCE :
IMSUAI Industrial Medicine and Surgery. (Northbrook, IL) V.18-42, 1949-73.
For publisher information, see IOHSA5. Volume(issue)/page/year: 40,23,1971
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intratracheal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 75 mg/kg/15W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Lungs, Thorax, or Respiration - tumors
REFERENCE :
FKIZA4 Fukuoka Igaku Zasshi. (c/o Kyushu Daigaku Igakubu, Tatekasu,
Fukuoka-shi, Fukuoka, Japan) V.33- 1940- Volume(issue)/page/year:
71,19,1980
TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 17 mg/m3/5H/D/48W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Lungs, Thorax, or Respiration - tumors
Musculoskeletal - tumors
REFERENCE :
AMPLAO AMA Archives of Pathology. (Chicago, IL) V.50(4)-69, 1950-60. For
publisher information, see APLMAS. Volume(issue)/page/year: 51,473,1951
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 500 mg/kg/6W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Musculoskeletal - tumors
REFERENCE :
FEPRA7 Federation Proceedings, Federation of American Societies for
Experimental Biology. (Bethesda, MD) V.1-46, 1942-87.
Volume(issue)/page/year: 5,221,1946
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
Lungs, Thorax, or Respiration - tumors
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
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 500 mg/kg/48W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Lungs, Thorax, or Respiration - tumors
Musculoskeletal - tumors
REFERENCE :
PEXTAR Progress in Experimental Tumor Research. (S. Karger AG, Postfach
CH-4009 Basel, Switzerland) V.1- 1960- Volume(issue)/page/year:
2,203,1961
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Intratracheal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 169 mg/kg/2W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Lungs, Thorax, or Respiration - chronic pulmonary edema
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - multiple enzyme effects
REFERENCE :
AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60.
For publisher information, see AEHLAU. Volume(issue)/page/year: 19,190,1959
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 625 mg/kg/25W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Musculoskeletal - tumors
REFERENCE :
AMSHAR Acta Morphologica Academiae Scientiarum Hungaricae. (Budapest,
Hungary) V.1-30, 1951-82. Volume(issue)/page/year: 25,99,1977
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Intratracheal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 79 mg/kg/15W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Lungs, Thorax, or Respiration - tumors
REFERENCE :
SAIGBL Sangyo Igaku. Japanese Journal of Industrial Health. (Nippon Sangyo
Eisei Igakkai, Kosu Eisei Bldg., 1-29-8, Shinjuku, Shinjuku-ku, Tokyo 160,
Japan) V.1- 1959- Volume(issue)/page/year: 20,230,1978
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intratracheal
SPECIES OBSERVED : Rodent - rat
DOSE : 139 mg/kg
SEX/DURATION : female 3 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - pre-implantation mortality (e.g. reduction in
number of implants per female; total number of implants per corpora lutea)
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
Reproductive - Specific Developmental Abnormalities - other developmental
abnormalities
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 51(8),44,1986
*** 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: 1,17,1972
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: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: 58,41,1993
IARC Cancer Review:Human 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: 58,41,1993
IARC Cancer Review:Group 1
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: 58,41,1993
TOXICOLOGY REVIEW
CTOXAO Clinical Toxicology. (New York, NY) V.1-18, 1968-81. For publisher
information, see JTCTDW. Volume(issue)/page/year: 6,497,1973
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
NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - X3577
No. of Facilities: 66 (estimated)
No. of Industries: 6
No. of Occupations: 9
No. of Employees: 4305 (estimated)
No. of Female Employees: 849 (estimated)
*** STATUS IN U.S. ***
EPA GENETOX PROGRAM 1988, Positive: Carcinogenicity-mouse/rat
EPA TSCA Section 8(b) CHEMICAL INVENTORY
NTP 7th Annual Report on Carcinogens, 1992 : anticipated to be carcinogen
*** END OF RECORD ***