*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GB2940000
CHEMICAL NAME           : Chromic acid (H2CrO4), dipotassium salt
CAS REGISTRY NUMBER     : 7789-00-6
LAST UPDATED            : 199712
DATA ITEMS CITED        : 68
MOLECULAR FORMULA       : Cr-O4.2K
MOLECULAR WEIGHT        : 194.20
WISWESSER LINE NOTATION :  KA2 CR-O2-Q2
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Bipotassium chromate
   * Chromate of potass
   * Dipotassium chromate
   * Dipotassium monochromate
   * Neutral potassium chromate
   * Potassium chromate(VI)
   * Tarapacaite
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 180 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 223,403,1989
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 32 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 223,403,1989
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 19 mg/kg
TOXIC EFFECTS :
   Behavioral - muscle weakness
   Gastrointestinal - nausea or vomiting
REFERENCE :
   SMSJAR Scottish Medical and Surgical Journal.  (Edinburgh, Scotland)  For
   publisher information, see SMDJAK.  Volume(issue)/page/year: 26,131,1826
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 2900 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EQSSDX Environmental Quality and Safety, Supplement.  (Stuttgart, Fed. Rep.
   Ger.)  V.1-5, 1975-76. Discontinued.  Volume(issue)/page/year: 1,1,1975
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 12 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EQSSDX Environmental Quality and Safety, Supplement.  (Stuttgart, Fed. Rep.
   Ger.)  V.1-5, 1975-76. Discontinued.  Volume(issue)/page/year: 1,1,1975
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 11 mg/kg
TOXIC EFFECTS :
   Behavioral - food intake (animal)
   Behavioral - coma
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 87,119,1946
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 60 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EQSSDX Environmental Quality and Safety, Supplement.  (Stuttgart, Fed. Rep.
   Ger.)  V.1-5, 1975-76. Discontinued.  Volume(issue)/page/year: 1,1,1975
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 209 mg/kg/2W-I
TOXIC EFFECTS :
   Liver - other changes
   Kidney, Ureter, Bladder - other changes
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - multiple enzyme effects
REFERENCE :
   INHEAO Industrial Health.  (National Institute of Industrial Health, 6-21-1
   Nagao, Tama-ku, Kawasaki, 213 Japan)  V.1-    1963- Volume(issue)/page/year:
   23,89,1985
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1600 mg/kg/62W-C
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Blood - leukemia
   Lungs, Thorax, or Respiration - bronchiogenic carcinoma
REFERENCE :
   JONUAI Journal of Nutrition.  (Subscription Dept., 9650 Rockville Pike,
   Bethesda, MD 20014) V.1-    1928-  Volume(issue)/page/year: 101,1431,1971
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 30 mg/kg
SEX/DURATION            : female 8-10 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - cytological changes (including
   somatic cell genetic material)
REFERENCE :
   APTOA6 Acta Pharmacologica et Toxicologica.  (Copenhagen, Denmark)  V.1-59,
   1945-86.  For publisher information, see PHTOEH  Volume(issue)/page/year:
   47,66,1980
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 60 mg/kg
SEX/DURATION            : female 8-10 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - other measures of fertility
REFERENCE :
   APTOA6 Acta Pharmacologica et Toxicologica.  (Copenhagen, Denmark)  V.1-59,
   1945-86.  For publisher information, see PHTOEH  Volume(issue)/page/year:
   47,66,1980
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 35 ug/plate
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 9,611,1988
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 10 ug/plate
REFERENCE :
   AEMIDF Applied and Environmental Microbiology.  (American Soc. for
   Microbiology, 1913 I St., NW, Washington, DC 20006)  V.31-    1976-
   Volume(issue)/page/year: 33,805,1977
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 3200 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 58,175,1978
 
TYPE OF TEST            : Mutation test systems - not otherwise specified
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 1500 nmol/tube
REFERENCE :
   ENMUDM Environmental Mutagenesis.  (New York, NY)  V.1-9, 1979-87.  For
   publisher information, see EMMUEG.  Volume(issue)/page/year: 8,571,1986
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 30 ug/well
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 133,161,1984
 
TYPE OF TEST            : Phage inhibition capacity
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 16 umol/L
REFERENCE :
   ENMUDM Environmental Mutagenesis.  (New York, NY)  V.1-9, 1979-87.  For
   publisher information, see EMMUEG.  Volume(issue)/page/year: 6,59,1984
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Bacteria - Bacillus subtilis
DOSE/DURATION           : 20 mmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 58,175,1978
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Microorganism - not otherwise specified
DOSE/DURATION           : 100 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 368,235,1996
 
TYPE OF TEST            : Specific locus test
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Insect - Drosophila melanogaster
DOSE/DURATION           : 1 mmol/L
REFERENCE :
   EMMUEG Environmental and Molecular Mutagenesis.  (Alan R. Liss, Inc., 41 E.
   11th St., New York, NY 10003)  V.10-    1987-  Volume(issue)/page/year:
   27,219,1996
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Yeast - Schizosaccharomyces pombe
DOSE/DURATION           : 60 nmol/L
REFERENCE :
   CNJGA8 Canadian Journal of Genetics and Cytology.  (National Research
   Council of Canada, Publication Sales and Distribution, Ottawa ON K1A OR6,
   Canada)  V.1-    1959-  Volume(issue)/page/year: 24,771,1982
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Human Fibroblast
DOSE/DURATION           : 50 umol/L/4H
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   42,145,1982
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Human Lung
DOSE/DURATION           : 25 umol/L
REFERENCE :
   CBINA8 Chemico-Biological Interactions.  (Elsevier Scientific Pub. Ireland
   Ltd., POB 85, Limerick, Ireland)  V.1-    1969-  Volume(issue)/page/year:
   36,345,1981
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Human Cells - not otherwise specified
DOSE/DURATION           : 25 umol/L
REFERENCE :
   CBINA8 Chemico-Biological Interactions.  (Elsevier Scientific Pub. Ireland
   Ltd., POB 85, Limerick, Ireland)  V.1-    1969-  Volume(issue)/page/year:
   36,345,1981
 
TYPE OF TEST            : Unscheduled DNA synthesis
TEST SYSTEM             : Human Fibroblast
DOSE/DURATION           : 100 umol/L
REFERENCE :
   DCTODJ Drug and Chemical Toxicology.  (Marcel Dekker, 270 Madison Ave., New
   York, NY 10016) V.1-    1977/78-  Volume(issue)/page/year: 4,185,1981
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 20 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 77,157,1980
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Human Leukocyte
DOSE/DURATION           : 4 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 58,175,1978
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Human Fibroblast
DOSE/DURATION           : 100 umol/L
REFERENCE :
   CARYAB Caryologia.  (Via G. LaPira 4, 50121 Florence, Italy)  V.1-    1948-
   Volume(issue)/page/year: 32,379,1979
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Human Fibroblast
DOSE/DURATION           : 100 nmol/L
REFERENCE :
   DCTODJ Drug and Chemical Toxicology.  (Marcel Dekker, 270 Madison Ave., New
   York, NY 10016) V.1-    1977/78-  Volume(issue)/page/year: 4,185,1981
 
TYPE OF TEST            : Micronucleus test
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 25 mg/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 172,151,1986
 
TYPE OF TEST            : Micronucleus test
TEST SYSTEM             : Rodent - mouse Cells - not otherwise specified
DOSE/DURATION           : 62500 ng/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 301,223,1993
 
TYPE OF TEST            : Specific locus test
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 30 mg/kg/3D (Continuous)
REFERENCE :
   APTOA6 Acta Pharmacologica et Toxicologica.  (Copenhagen, Denmark)  V.1-59,
   1945-86.  For publisher information, see PHTOEH  Volume(issue)/page/year:
   47,66,1980
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Rodent - mouse Leukocyte
DOSE/DURATION           : 25 umol/L
REFERENCE :
   CBINA8 Chemico-Biological Interactions.  (Elsevier Scientific Pub. Ireland
   Ltd., POB 85, Limerick, Ireland)  V.1-    1969-  Volume(issue)/page/year:
   36,345,1981
 
TYPE OF TEST            : DNA inhibition
TEST SYSTEM             : Rodent - mouse Fibroblast
DOSE/DURATION           : 10 umol/L
REFERENCE :
   JTEHD6 Journal of Toxicology and Environmental Health.  (Hemisphere Pub.,
   1025 Vermont Ave., NW, Washington, DC 20005)  V.1-    1975/76-
   Volume(issue)/page/year: 15,237,1985
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - mouse Mammary gland
DOSE/DURATION           : 3200 nmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 67,221,1979
 
TYPE OF TEST            : Mutation in mammalian somatic cells
TEST SYSTEM             : Rodent - mouse Lymphocyte
DOSE/DURATION           : 1 mg/L
REFERENCE :
   JTEHD6 Journal of Toxicology and Environmental Health.  (Hemisphere Pub.,
   1025 Vermont Ave., NW, Washington, DC 20005)  V.1-    1975/76-
   Volume(issue)/page/year: 9,367,1982
 
TYPE OF TEST            : Micronucleus test
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - hamster
DOSE/DURATION           : 40 mg/kg
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: DE83-770037
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 10 umol/L
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   39,193,1979
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 150 ug/L
REFERENCE :
   CARYAB Caryologia.  (Via G. LaPira 4, 50121 Florence, Italy)  V.1-    1948-
   Volume(issue)/page/year: 32,379,1979
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 150 ug/L
REFERENCE :
   CARYAB Caryologia.  (Via G. LaPira 4, 50121 Florence, Italy)  V.1-    1948-
   Volume(issue)/page/year: 32,379,1979
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Rodent - hamster Fibroblast
DOSE/DURATION           : 800 ug/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 104,141,1982
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 26 ug/L
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 4,605,1983
 
TYPE OF TEST            : Sister chromatid exchange
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - hamster
DOSE/DURATION           : 10 mg/kg
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: DE83-770037
 
TYPE OF TEST            : Mutation in mammalian somatic cells
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 133 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 151,293,1985
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Mammal - species unspecified Lymphocyte
DOSE/DURATION           : 1 mmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 368,235,1996

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 0.05 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:
   TLV/BEI,1997

   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

   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: 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: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: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: 49,49,1990

   TOXICOLOGY REVIEW
   PEXTAR Progress in Experimental Tumor Research.  (S. Karger AG, Postfach
   CH-4009 Basel, Switzerland) V.1-    1960-  Volume(issue)/page/year:
   12,102,1969

   TOXICOLOGY REVIEW
   85DHAX "Medical and Biologic Effects of Environmental Pollutants Series,"
   Washington, DC, National Academy of Sciences, 1972-77
   Volume(issue)/page/year: Cr,22,1974

                    *** 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):CL 0.1 mg(CrO3)/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):CL 0.1 mg(CrO3)/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):CL 0.1 mg(CrO3)/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):CL 0.1 mg(CrO3)/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

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO CHROMIUM(VI)-air:10H CA TWA 0.001 mg(Cr)/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 :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 60370
       No. of Facilities: 3305 (estimated)
       No. of Industries: 48
       No. of Occupations: 35
       No. of Employees: 24042 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 60370
       No. of Facilities: 2219 (estimated)
       No. of Industries: 35
       No. of Occupations: 34
       No. of Employees: 25411 (estimated)
       No. of Female Employees: 5985 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: Cell transform.-SA7/SHE; Mammalian
   micronucleus
   
   EPA GENETOX PROGRAM 1988, Positive: B subtilis rec assay; Histidine
   reversion-Ames test
   
   EPA GENETOX PROGRAM 1988, Positive: TRP reversion
   
   EPA GENETOX PROGRAM 1988, Positive/dose response: In vitro UDS-human
   fibroblast
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
   
   NTP 7th Annual Report on Carcinogens, 1992 : known to be carcinogenic

 
                            *** END OF RECORD ***