*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : GB4000000
CHEMICAL NAME : Chromite (mineral)
CAS REGISTRY NUMBER : 1308-31-2
OTHER CAS REGISTRY NOS. : 61026-56-0
LAST UPDATED : 199712
DATA ITEMS CITED : 28
MOLECULAR FORMULA : Cr2-Fe-O4
MOLECULAR WEIGHT : 223.85
COMPOUND DESCRIPTOR : Tumorigen
Mutagen
SYNONYMS/TRADE NAMES :
* Chrome ore
* Chromite
* Chromite ore
* Iron chromite
*** HEALTH HAZARD DATA ***
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 2 mg/plate
REFERENCE :
CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980-
Volume(issue)/page/year: 2,283,1981
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 2 mg/plate
REFERENCE :
CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980-
Volume(issue)/page/year: 3,1331,1982
TYPE OF TEST : Mutation test systems - not otherwise specified
TEST SYSTEM : Human Cells - not otherwise specified
DOSE/DURATION : 500 mg/L
REFERENCE :
BJCAAI British Journal of Cancer. (Macmillan Press Ltd., Houndmills,
Basingstoke, Hants. RG21 2XS, UK) V.1- 1947- Volume(issue)/page/year:
44,219,1981
TYPE OF TEST : Cytogenetic analysis
TEST SYSTEM : Human Cells - not otherwise specified
DOSE/DURATION : 500 mg/L
REFERENCE :
BJCAAI British Journal of Cancer. (Macmillan Press Ltd., Houndmills,
Basingstoke, Hants. RG21 2XS, UK) V.1- 1947- Volume(issue)/page/year:
44,219,1981
TYPE OF TEST : DNA inhibition
TEST SYSTEM : Rodent - hamster Kidney
DOSE/DURATION : 500 mg/L
REFERENCE :
BJCAAI British Journal of Cancer. (Macmillan Press Ltd., Houndmills,
Basingstoke, Hants. RG21 2XS, UK) V.1- 1947- Volume(issue)/page/year:
44,219,1981
TYPE OF TEST : Mutation test systems - not otherwise specified
TEST SYSTEM : Rodent - hamster Kidney
DOSE/DURATION : 500 mg/L
REFERENCE :
BJCAAI British Journal of Cancer. (Macmillan Press Ltd., Houndmills,
Basingstoke, Hants. RG21 2XS, UK) V.1- 1947- Volume(issue)/page/year:
44,219,1981
TYPE OF TEST : Cytogenetic analysis
TEST SYSTEM : Rodent - hamster Ovary
DOSE/DURATION : 5 mg/L
REFERENCE :
BJCAAI British Journal of Cancer. (Macmillan Press Ltd., Houndmills,
Basingstoke, Hants. RG21 2XS, UK) V.1- 1947- Volume(issue)/page/year:
44,219,1981
TYPE OF TEST : Sister chromatid exchange
TEST SYSTEM : Rodent - hamster Ovary
DOSE/DURATION : 10 mg/L
REFERENCE :
CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980-
Volume(issue)/page/year: 3,1331,1982
*** REVIEWS ***
ACGIH TLV-Confirmed 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
ACGIH TLV-TWA 0.05 mg(Cr)/m3 (ore processing)
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 Inadequate 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: 23,205,1980
IARC Cancer Review:Animal Inadequate 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: 49,49,1990
IARC Cancer Review:Human Inadequate 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: 23,205,1980
IARC Cancer Review:Human Inadequate 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: 49,49,1990
IARC Cancer Review:Group 3
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: 49,49,1990
*** U.S. STANDARDS AND REGULATIONS ***
MSHA STANDARD-air:TWA 0.5 mg(Cr)/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: 3,35,1971
OSHA PEL (Gen Indu):8H TWA 0.5 mg(Cr)/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 0.5 mg(Cr)/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 0.5 mg(Cr)/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 0.5 mg(Cr)/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-RUSSIA:TWA 0.05 mg/m3;Carcinogen 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 - M2761
No. of Facilities: 76 (estimated)
No. of Industries: 4
No. of Occupations: 18
No. of Employees: 7386 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - M2761
No. of Facilities: 569 (estimated)
No. of Industries: 5
No. of Occupations: 13
No. of Employees: 12920 (estimated)
*** STATUS IN U.S. ***
EPA TSCA Section 8(d) unpublished health/safety studies
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
NTP 7th Annual Report on Carcinogens, 1992 : known to be carcinogenic
*** END OF RECORD ***