*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : PC0700000
CHEMICAL NAME           : 4,7-Methanoindene,
                          1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro-
CAS REGISTRY NUMBER     : 76-44-8
OTHER CAS REGISTRY NOS. : 23720-59-4
                          37229-06-4
LAST UPDATED            : 199712
DATA ITEMS CITED        : 77
MOLECULAR FORMULA       : C10-H5-Cl7
MOLECULAR WEIGHT        : 373.30
WISWESSER LINE NOTATION : L C555 A DU IUTJ AG AG BG FG HG IG JG
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Tumorigen
                          Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Aahepta
   * Agroceres
   * Arbinex 30TN
   * 3-Chlorochlordene
   * Dicyclopentadiene, 3,4,5,6,7,8,8a-heptachloro-
   * E 3314
   * ENT 15,152
   * Eptacloro
   * 1,4,5,6,7,8,8-Eptacloro-3a,4,7,7a-tetraidro-4,7-endo-metano-indene
   * GPKh
   * H
   * H-34
   * H-60
   * Hepta
   * Heptachloor
   * 1,4,5,6,7,8,8-Heptachloor-3a,4,7,7a-tetrahydro-4,7-endo-methano-indeen
   * Heptachlor
   * Heptachlor (technical grade)
   * Heptachlorane
   * Heptachlore
   * 3,4,5,6,7,8,8-Heptachlorodicyclopentadiene
   * 3,4,5,6,7,8,8a-Heptachlorodicyclopentadiene
   * 1,4,5,6,7,8,8-Heptachloro-3a,4,7,7a-tetrahydro-4,7-endomethanoindene
   * 1,4,5,6,7,8,8a-Heptachloro-3a,4,7,7a-tetrahydro-4,7-methanoindane
   * 1,4,5,6,7,8,8-Heptachloro-3a,4,7,7a-tetrahydro-4,7-methanoindene
   * 1(3a),4,5,6,7,8,8-Heptachloro-3a(1),4,7,7a-tetrahydro-4,7-methanoindene
   * 1,4,5,6,7,8,8-Heptachloro-3a,4,7,7a-tetrahydro-4,7-methanol-1H-indene
   * 1,4,5,6,7,8,8-Heptachloro-3a,4,7,7,7a-tetrahydro-4,7-methylene indene
   * 1,4,5,6,7,10,10-Heptachloro-4,7,8,9-tetrahydro-4,7-methyleneindene
   * 1,4,5,6,7,10,10-Heptachloro-4,7,8,9-tetrahydro-4,7-endomethyleneindene
   * 1,4,5,6,7,8,8-Heptachlor-3a,4,7,7,7a-tetrahydro-4,7-endo-methano-inden
   * Heptagran
   * Heptamul
   * Heptox
   * Latka 104
   * NCI-C00180
   * OMS 193
   * RCRA waste number P059
   * Rhodiachlor
   * Velsicol 104
   * Velsicol heptachlor
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 40 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PHJOAV Pharmaceutical Journal.  (Pharmaceutical Soc. of Great Britain, 1
   Lambeth High St., London, SE1 7JN, UK)  V.131-    1933-
   Volume(issue)/page/year: 185,361,1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 119 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   SPEADM Special Publication of the Entomological Society of America.  (4603
   Calvert Rd., College Park, MD 20740)  Volume(issue)/page/year: 78-1,12,1978
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 27 mg/kg
TOXIC EFFECTS :
   Behavioral - tremor
   Behavioral - convulsions or effect on seizure threshold
   Behavioral - changes in motor activity (specific assay)
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 11,63,1973
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 68 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   SPEADM Special Publication of the Entomological Society of America.  (4603
   Calvert Rd., College Park, MD 20740)  Volume(issue)/page/year: 78-1,12,1978
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 130 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   SOGEBZ Soviet Genetics.  English translation of GNKAA5.  (Plenum Pub. Corp.,
   233 Spring St., New York, NY 10013)  V.2-    1966- Volume(issue)/page/year:
   2,80,1966
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 20 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
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: 107,266,1953
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intracerebral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 12 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
REFERENCE :
   TOLED5 Toxicology Letters.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1977-  Volume(issue)/page/year: 60,289,1992
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - cat
DOSE/DURATION           : 50 mg/kg
TOXIC EFFECTS :
   Behavioral - excitement
   Behavioral - muscle contraction or spasticity
   Behavioral - aggression
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 2(5),15,1958
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Mammal - cat
DOSE/DURATION           : 150 mg/m3/4H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single
   Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects,
   GKNT, 1982  Volume(issue)/page/year: -,71,1982
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 2(5),15,1958
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 116 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PCOC** Pesticide Chemicals Official Compendium, Association of the American
   Pesticide Control Officials, Inc., 1966.  (Topeka, KS)
   Volume(issue)/page/year: -,576,1966
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Behavioral - excitement
   Behavioral - muscle contraction or spasticity
   Behavioral - aggression
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 2(5),15,1958
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - hamster
DOSE/DURATION           : 100 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EJTXAZ European Journal of Toxicology and Environmental Hygiene.  (Paris,
   France)  V.7-9, 1974-76. For publisher information, see TOERD9.
   Volume(issue)/page/year: 7,159,1974
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 200 mg/m3/4H
TOXIC EFFECTS :
   Behavioral - excitement
   Behavioral - muscle contraction or spasticity
   Behavioral - aggression
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 2(5),15,1958
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 60 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   30ZDA9 "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag
   New York, Inc., 1971  Volume(issue)/page/year: -,59,1971
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 22750 mg/kg/26W-I
TOXIC EFFECTS :
   Blood - pigmented or nucleated red blood cells
   Blood - changes in erythrocyte (RBC) count
   Biochemical - Metabolism (Intermediary) - lipids including transport
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 30(3),13,1965
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 475 mg/kg/19D-I
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - respiratory depression
   Related to Chronic Data - death
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 2(5)15,1958
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 2800 mg/kg/28D-C
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - changes in bladder weight
   Endocrine - changes in adrenal weight
   Endocrine - changes in spleen weight
REFERENCE :
   AECTCV Archives of Environmental Contamination and Toxicology.
   (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ
   070944)  V.1-    1973-  Volume(issue)/page/year: 19,913,1990
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 403 mg/kg/80W-C
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Liver - tumors
REFERENCE :
   NCITR* National Cancer Institute Carcinogenesis Technical Report Series.
   (Bethesda, MD)  No.0-205. For publisher information, see NTPTR*.
   Volume(issue)/page/year: NCI-TR-9,1977
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 930 mg/kg/80W-C
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Liver - tumors
REFERENCE :
   NCITR* National Cancer Institute Carcinogenesis Technical Report Series.
   (Bethesda, MD)  No.0-205. For publisher information, see NTPTR*.
   Volume(issue)/page/year: NCI-TR-9,1977
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 876 mg/kg/2Y-C
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Liver - tumors
REFERENCE :
   ECEBDI Experimental Cell Biology.  (S. Karger Pub., Inc., 79 Fifth Ave., New
   York, NY 10003) V.44-    1976-  Volume(issue)/page/year: 45,147,1977
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 350 mg/kg
SEX/DURATION            : female 14 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Fertility - female fertility index (e.g. # females pregnant
   per # sperm positive females; # females pregnant per # females mated)
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
REFERENCE :
   PHTOEH Pharmacology and Toxicology (Copenhagen).  (Munksgaard International
   Pub., POB 2148, DK-1016 Copenhagen K, Denmark)  V.60-    1987-
   Volume(issue)/page/year: 76,112,1995
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 3168 mg/kg
SEX/DURATION            : male 70 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
   sperm morphology, motility, and count)
   Reproductive - Paternal Effects - other effects on male
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
REFERENCE :
   PHTOEH Pharmacology and Toxicology (Copenhagen).  (Munksgaard International
   Pub., POB 2148, DK-1016 Copenhagen K, Denmark)  V.60-    1987-
   Volume(issue)/page/year: 76,112,1995
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation test systems - not otherwise specified
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 837 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:
   19,98,1992
 
TYPE OF TEST            : Unscheduled DNA synthesis
TEST SYSTEM             : Human Fibroblast
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: 42,161,1977
 
TYPE OF TEST            : Cytogenetic analysis
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Rodent - rat
DOSE/DURATION           : 60 ug/kg
REFERENCE :
   34LXAP "Insecticide Biochemistry and Physiology," Wilkinson, C.F., ed., New
   York, Plenum Pub. Corp., 1976  Volume(issue)/page/year: -,555,1976
 
TYPE OF TEST            : Dominant lethal test
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Rodent - rat
DOSE/DURATION           : 60 ug/kg
REFERENCE :
   34LXAP "Insecticide Biochemistry and Physiology," Wilkinson, C.F., ed., New
   York, Plenum Pub. Corp., 1976  Volume(issue)/page/year: -,555,1976
 
TYPE OF TEST            : Mutation test systems - not otherwise specified
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 35 mg/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 343,157,1995
 
TYPE OF TEST            : Cytogenetic analysis
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 5200 ug/kg
REFERENCE :
   SOGEBZ Soviet Genetics.  English translation of GNKAA5.  (Plenum Pub. Corp.,
   233 Spring St., New York, NY 10013)  V.2-    1966- Volume(issue)/page/year:
   2,80,1966
 
TYPE OF TEST            : Mutation in mammalian somatic cells
TEST SYSTEM             : Rodent - mouse Lymphocyte
DOSE/DURATION           : 25 mg/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:
   12,85,1988
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 10 mg/L
REFERENCE :
   AETODY Advances in Modern Environmental Toxicology.  (Senate Press, Inc.,
   P.O. Box 252, Princeton Junction, NJ 08550)  V.1-    1980-
   Volume(issue)/page/year: 1,241,1980

                              *** REVIEWS ***
 
   ACGIH TLV-Animal 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/m3 (skin)
   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: 20,129,1979

   IARC Cancer Review:Animal Limited Evidence
   IMSUDL IARC Monographs, Supplement.  (WHO Publications Centre USA, 49
   Sheridan Ave., Albany, NY 12210)  No.1-    1979-  Volume(issue)/page/year:
   7,146,1987

   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: 53,115,1991

   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: 5,173,1974

   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: 20,129,1979

   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: 53,115,1991

   IARC Cancer Review:Group 2B
   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: 53,115,1991

   TOXICOLOGY REVIEW
   CRTXB2 CRC Critical Reviews in Toxicology.  (CRC Press, Inc., 2000 Corporate
   Blvd., NW, Boca Raton, FL 33431)  V.1-    1971- Volume(issue)/page/year:
   1(1),93,1971

   TOXICOLOGY REVIEW
   CNDQA8 Cahiers de Nutrition et de Dietetique.  (Editions Meteore, 42, rue du
   Louvre, 75001 Paris, France)  V.1-    1966-  Volume(issue)/page/year:
   10(3),43,1975

   TOXICOLOGY REVIEW
   RREVAH Residue Reviews.  (Springer-Verlag New York, Inc., Service Center, 44
   Hartz Way, Secaucus, NJ 07094)  V.1-    1962-  Volume(issue)/page/year:
   56,107,1975

   TOXICOLOGY REVIEW
   BNYMAM Bulletin of the New York Academy of Medicine.  (New York Academy of
   Medicine, 2 E. 103rd St., New York, NY 10029)  Ser 2: V.1-    1925-
   Volume(issue)/page/year: 54,413,1978

   TOXICOLOGY REVIEW
   CTOXAO Clinical Toxicology.  (New York, NY)  V.1-18, 1968-81.  For publisher
   information, see JTCTDW.  Volume(issue)/page/year: 13,231,1978

   TOXICOLOGY REVIEW
   85CVA2 "Oncology 1970, Proceedings of the Tenth International Cancer
   Congress," Chicago, Year Book Medical Pub., 1971  Volume(issue)/page/year:
   5,250,1970

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION
   FEREAC Federal Register.  (U.S. Government Printing Office, Supt. of
   Documents, Washington, DC 20402) V.1-    1936-  Volume(issue)/page/year:
   54,7740,1989

   MSHA STANDARD-air:TWA 0.5 mg/m3 (skin)
   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:
   3,123,1971

   OSHA PEL (Gen Indu):8H TWA 0.5 mg/m3 (skin)
   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/m3 (skin)
   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/m3 (skin)
   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/m3 (skin)
   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-AUSTRALIA:TWA 0.5 mg/m3;Skin JAN 1993
   
   OEL-BELGIUM:TWA 0.5 mg/m3;Skin JAN 1993
   
   OEL-DENMARK:TWA 0.5 mg/m3;Skin JAN 1993
   
   OEL-FINLAND:TWA 0.5 mg/m3;STEL 1.5 mg/m3;Skin JAN 1993
   
   OEL-GERMANY:TWA 0.5 mg/m3;Skin;Carcinogen JAN 1993
   
   OEL-THE NETHERLANDS:TWA 0.5 mg/m3;Skin JAN 1993
   
   OEL-THE PHILIPPINES:TWA 0.5 mg/m3;Skin JAN 1993
   
   OEL-RUSSIA:STEL 0.01 mg/m3 JAN 1993
   
   OEL-SWITZERLAND:TWA 0.5 mg/m3;Skin JAN 1993
   
   OEL-TURKEY:TWA 1 mg/m3;Skin JAN 1993
   
   OEL-UNITED KINGDOM:TWA 0.5 mg/m3;STEL 2 mg/m3;Skin 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 HEPTACHLOR-air:10H CA TWA 0.5 mg/m3 (Sk)
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 - 35960
       No. of Facilities: 346 (estimated)
       No. of Industries: 2
       No. of Occupations: 8
       No. of Employees: 907 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 35960
       No. of Facilities: 120 (estimated)
       No. of Industries: 2
       No. of Occupations: 2
       No. of Employees: 1034 (estimated)

                          *** STATUS IN U.S. ***
 
   ATSDR TOXICOLOGY PROFILE
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: PB/89/194492/AS

   EPA GENETOX PROGRAM 1988, Positive/limited: Carcinogenicity-mouse/rat
   
   EPA GENETOX PROGRAM 1988, Inconclusive: Histidine reversion-Ames test
   
   EPA GENETOX PROGRAM 1988, Inconclusive: D melanogaster Sex-linked lethal
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   On EPA IRIS database
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
   
   NCI Carcinogenesis Bioassay (feed);clear evidence:mouse
   NCITR* National Cancer Institute Carcinogenesis Technical Report Series.
   (Bethesda, MD)  No.0-205. For publisher information, see NTPTR*.
   Volume(issue)/page/year: NCI-TR-9,77

   NCI Carcinogenesis Bioassay (feed);no evidence:rat
   NCITR* National Cancer Institute Carcinogenesis Technical Report Series.
   (Bethesda, MD)  No.0-205. For publisher information, see NTPTR*.
   Volume(issue)/page/year: NCI-TR-9,77

 
                            *** END OF RECORD ***