*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GB6650000
CHEMICAL NAME           : Chromium(VI) oxide (1:3)
CAS REGISTRY NUMBER     : 1333-82-0
LAST UPDATED            : 199712
DATA ITEMS CITED        : 65
MOLECULAR FORMULA       : Cr-O3
MOLECULAR WEIGHT        : 100.00
WISWESSER LINE NOTATION :  CR2 O3
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
                          Reproductive Effector
                          Human
SYNONYMS/TRADE NAMES :
   * Anhydride chromique
   * Anidride cromica
   * Chrome (trioxyde de)
   * Chromia (CrO3)
   * Chromic anhydride
   * Chromium oxide (Cr4O12)
   * Chromium trioxide
   * Chromium(6+) trioxide
   * Chromium(VI) oxide
   * Chromsaeureanhydrid
   * Chromtrioxid
   * Chroomtrioxyde
   * Chroomzuuranhydride
   * Cromo(triossido di)
   * Monochromium trioxide
   * Puratronic chromium trioxide
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Human
DOSE/DURATION           : 110 ug/m3
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YAKUD5 Gekkan Yakuji.  Pharmaceuticals Monthly.  (Yakugyo Jihosha, Inaoka
   Bldg., 2-36 Jinbo-cho, Kanda, Chiyoda-ku, Tokyo 101, Japan)  V.1-   1959-
   Volume(issue)/page/year: 22,291,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 80 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - cyanosis
   Gastrointestinal - hypermotility, diarrhea
   Skin and Appendages - hair
REFERENCE :
   TRENAF Kenkyu Nenpo--Tokyo-toritsu Eisei Kenkyusho.  Annual Report of Tokyo
   Metropolitan Research Laboratory of Public Health.  (Tokyo-toritsu Eisei
   Kenkyusho, 24-1, 3-chome, Hyakunin-cho, Shin-juku-ku, Tokyo 160, Japan) V.1-
      1949/50-  Volume(issue)/page/year: 27,119,1976
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 58400 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   INJPD2 Indian Journal of Pharmacology.  (Dept. of Pharmacology, Baranas
   Hindu Univ., Varanasi 221 005, India)  V.1-    1968(?)-
   Volume(issue)/page/year: 23,153,1991
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 9260 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   INJPD2 Indian Journal of Pharmacology.  (Dept. of Pharmacology, Baranas
   Hindu Univ., Varanasi 221 005, India)  V.1-    1968(?)-
   Volume(issue)/page/year: 23,153,1991
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 127 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CHYCDW Zhonghua Yufangyixue Zazhi.  Chinese Journal of Preventive Medicine.
   (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep.
   China)  Beginning history not known.  Volume(issue)/page/year: 14,86,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 14 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NEZAAQ Nippon Eiseigaku Zasshi.  Japanese Journal of Hygiene.  (Nippon Eisei
   Gakkai, c/o Kyoto Daigaku Igakubu, Konoe-cho, Yoshida, Sakyo-ku, Kyoto 606,
   Japan)  V.1-    1946-  Volume(issue)/page/year: 34,193,1979
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 20 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   SEIJBO Senten Ijo.  Congenital Anomalies.  (Nippon Senten Ijo Gakkai, c/o
   Kinki Daigaku Igakubu Kaibagaku Kyoshitsu, 380 Nishiyama, Sayama-cho,
   Mirami-Kawachi-gun, Osaka-fu, Japan) V.1-26, 1960-86. For publisher
   information, see CGANE7.  Volume(issue)/page/year: 19,171,1979
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 17100 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   INJPD2 Indian Journal of Pharmacology.  (Dept. of Pharmacology, Baranas
   Hindu Univ., Varanasi 221 005, India)  V.1-    1968(?)-
   Volume(issue)/page/year: 23,153,1991
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 29 ug/m3/20H/90D-I
TOXIC EFFECTS :
   Behavioral - muscle contraction or spasticity
   Lungs, Thorax, or Respiration - other changes
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - carbonic anhydrase
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 28(11),9,1963
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Human
DOSE/DURATION           : 110 ug/m3/3Y-C
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Sense Organs and Special Senses (Olfaction) - tumors
   Lungs, Thorax, or Respiration - tumors
REFERENCE :
   AGGHAR Archiv fuer Gewerbepathologie und Gewerbehygiene.  (Berlin, Ger.)
   V.1-18, 1930-61.  For publisher information, see IAEHDW.
   Volume(issue)/page/year: 13,528,1955
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Implant
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 125 mg/kg
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Tumorigenic - tumors at site of application
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   20,274,1959
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 3480 ug/m3/2H/1Y-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Sense Organs and Special Senses (Olfaction) - 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: 29,17,1987
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 20 mg/kg
SEX/DURATION            : female 8 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - extra-embryonic structures
   (e.g., placenta, umbilical cord)
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   SEIJBO Senten Ijo.  Congenital Anomalies.  (Nippon Senten Ijo Gakkai, c/o
   Kinki Daigaku Igakubu Kaibagaku Kyoshitsu, 380 Nishiyama, Sayama-cho,
   Mirami-Kawachi-gun, Osaka-fu, Japan) V.1-26, 1960-86. For publisher
   information, see CGANE7.  Volume(issue)/page/year: 19,171,1979
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - hamster
DOSE                    : 5 mg/kg
SEX/DURATION            : female 8 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - homeostasis
   Reproductive - Specific Developmental Abnormalities - craniofacial
   (including nose and tongue)
   Reproductive - Specific Developmental Abnormalities - Central Nervous System
REFERENCE :
   ENVRAL Environmental Research.  (Academic Press, Inc., 1 E. First St.,
   Duluth, MN 55802) V.1-    1967-  Volume(issue)/page/year: 16,101,1978
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - hamster
DOSE                    : 7500 ug/kg
SEX/DURATION            : female 8 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   ENVRAL Environmental Research.  (Academic Press, Inc., 1 E. First St.,
   Duluth, MN 55802) V.1-    1967-  Volume(issue)/page/year: 16,101,1978
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - hamster
DOSE                    : 7500 ug/kg
SEX/DURATION            : female 8 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
   Reproductive - Specific Developmental Abnormalities - homeostasis
REFERENCE :
   TJADAB Teratology, The International Journal of Abnormal Development. (Alan
   R. Liss, Inc., 41 E. 11th St., New York, NY 10003)  V.1-    1968-
   Volume(issue)/page/year: 9,A17,1974
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - hamster
DOSE                    : 8 mg/kg
SEX/DURATION            : female 8 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - body wall
REFERENCE :
   ANREAK Anatomical Record.  (Alan R. Liss, Inc., 41 E. 11th St., New York, NY
   10003)  V.1-    1906/08-  Volume(issue)/page/year: 199,89A,1981
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 1 mmol/L
REFERENCE :
   TOLED5 Toxicology Letters.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1977-  Volume(issue)/page/year: 8,195,1981
 
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            : DNA repair
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 50 mmol/L
REFERENCE :
   TOLED5 Toxicology Letters.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1977-  Volume(issue)/page/year: 7,439,1981
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 8 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 66,357,1979
 
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           : 18700 ng/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            : DNA repair
TEST SYSTEM             : Bacteria - Bacillus subtilis
DOSE/DURATION           : 50 mmol/L
REFERENCE :
   TOLED5 Toxicology Letters.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1977-  Volume(issue)/page/year: 7,439,1981
 
TYPE OF TEST            : Specific locus test
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Insect - Drosophila melanogaster
DOSE/DURATION           : 300 ppm
REFERENCE :
   CYTOAN Cytologia.  (Japan Pub. Trading Co. (USA), 1255 Howard St., San
   Francisco, CA 94103) V.1-    1929-  Volume(issue)/page/year: 51,421,1986
 
TYPE OF TEST            : Specific locus test
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Insect - Drosophila melanogaster
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: 266,197,1992
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Human Fibroblast
DOSE/DURATION           : 100 nmol/L
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   47,3815,1987
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Human Leukocyte
DOSE/DURATION           : 2 mg/L
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: 18,136,1976
 
TYPE OF TEST            : Cytogenetic analysis
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 20 mg/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 301,33,1993
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - mouse Mammary gland
DOSE/DURATION           : 1 umol/L/48H
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            : Micronucleus test
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 1 umol/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:
   17(Suppl 19),32,1991
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 68 ug/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 46,87,1977
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 250 ug/L
REFERENCE :
   TXCYAC Toxicology.  (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
   Limerick, Ireland) V.1-    1973-  Volume(issue)/page/year: 17,219,1980
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 250 ug/L
REFERENCE :
   TXCYAC Toxicology.  (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
   Limerick, Ireland) V.1-    1973-  Volume(issue)/page/year: 17,219,1980
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Rodent - hamster Fibroblast
DOSE/DURATION           : 320 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            : Mutation in mammalian somatic cells
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 6 umol/L
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 13,2053,1992

                              *** 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: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: 23,205,1980

   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: 23,205,1980

   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:Animal Limited 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 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
   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

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-FINLAND;Carcinogen JAN 1993
   
   OEL-FRANCE:TWA 0.05 mg/m3;STEL 0.1 mg/m3;Carcinogen JAN 1993
   
   OEL-GERMANY;Carcinogen JAN 1993
   
   OEL-RUSSIA:STEL 0.01 mg/m3;Skin JAN 1993
   
   OEL-SWITZERLAND:TWA 0.05 mg/m3;STEL 0.1 mg/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 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 - 19430
       No. of Facilities: 1253 (estimated)
       No. of Industries: 28
       No. of Occupations: 44
       No. of Employees: 20618 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 19430
       No. of Facilities: 2873 (estimated)
       No. of Industries: 55
       No. of Occupations: 65
       No. of Employees: 68271 (estimated)
       No. of Female Employees: 11533 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: Carcinogenicity-mouse/rat; In vitro
   cytogenetics-nonhuman
   
   EPA GENETOX PROGRAM 1988, Positive: B subtilis rec assay; Histidine
   reversion-Ames test
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   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 ***