*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : XS9625000
CHEMICAL NAME : Toluene-2,4-diamine
CAS REGISTRY NUMBER : 95-80-7
BEILSTEIN REFERENCE NO. : 2205839
REFERENCE : 4-13-00-00235 (Beilstein Handbook Reference)
LAST UPDATED : 199712
DATA ITEMS CITED : 64
MOLECULAR FORMULA : C7-H10-N2
MOLECULAR WEIGHT : 122.19
WISWESSER LINE NOTATION : ZR CZ D1
COMPOUND DESCRIPTOR : Agricultural Chemical
Tumorigen
Mutagen
Reproductive Effector
Primary Irritant
SYNONYMS/TRADE NAMES :
* 3-Amino-p-toluidine
* 5-Amino-o-toluidine
* 1,3-Benzenediamine, 4-methyl-
* Benzofur MT
* Brown for Fur T
* C.I. 76035
* C.I. Oxidation Base 20
* C.I. Oxidation Base 35
* C.I. Oxidation Base 200
* Developer 14
* Developer B
* Developer DB
* Developer DBJ
* Developer MC
* Developer MT
* Developer MT-CF
* Developer MTD
* Developer T
* 1,3-Diamino-4-methylbenzene
* 2,4-Diamino-1-methylbenzene
* 2,4-Diaminotoluen
* 2,4-Diaminotoluene
* 2,4-Diamino-1-toluene
* 2,4-Diaminotoluol
* Eucanine GB
* Fouramine
* Fouramine J
* Fourrine 94
* Fourrine M
* 4-Methyl-1,3-benzenediamine
* 4-Methyl-m-phenylenediamine
* MTD
* Nako TMT
* NCI-C02302
* Pelagol Grey J
* Pelagol J
* Pontamine developer TN
* RCRA waste number U221
* Renal MD
* TDA
* Tertral G
* 2,4-Tolamine
* m-Toluenediamine
* m-Toluylendiamin
* m-Toluylenediamine
* m-Tolyenediamine
* m-Tolylenediamine
* Tolylene-2,4-diamine
* 2,4-Tolylenediamine
* Zoba GKE
*** HEALTH HAZARD DATA ***
** SKIN/EYE IRRITATION DATA **
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 500 mg/24H
REACTION SEVERITY : Mild
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,477,1986
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration into the eye
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 100 mg/24H
REACTION SEVERITY : Moderate
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,477,1986
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 325 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JEPTDQ Journal of Environmental Pathology and Toxicology. (Park Forest
South, IL) V.1-5(3), 1977-81(?). For publisher information, see JEPOEC.
Volume(issue)/page/year: 3(1-2),149,1979
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 350 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Cardiac - pulse rate
Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
ZEPTAT Zeitschrift fuer Experimentelle Pathologie und Therapie. (Berlin,
Ger.) V.1-22, 1905-21. For publisher information, see REXMAS.
Volume(issue)/page/year: 17,59,1915
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 480 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JEPTDQ Journal of Environmental Pathology and Toxicology. (Park Forest
South, IL) V.1-5(3), 1977-81(?). For publisher information, see JEPOEC.
Volume(issue)/page/year: 3(1-2),149,1979
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
XPHBAO U.S. Public Health Service, Public Health Bulletin. (Washington, DC)
Volume(issue)/page/year: 271,56,1941
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 400 mg/kg
TOXIC EFFECTS :
Brain and Coverings - other degenerative changes
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
ZEPTAT Zeitschrift fuer Experimentelle Pathologie und Therapie. (Berlin,
Ger.) V.1-22, 1905-21. For publisher information, see REXMAS.
Volume(issue)/page/year: 17,59,1915
** TUMORIGENIC DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 2100 mg/kg/90W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Liver - tumors
Skin and Appendages - tumors
REFERENCE :
JJIND8 JNCI, Journal of the National Cancer Institute. (Washington, DC)
V.61-79, 1978-87. For publisher information, see JNCIEQ.
Volume(issue)/page/year: 62,1107,1979
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 8050 mg/kg/101W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Liver - tumors
Blood - lymphoma, including Hodgkin's disease
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-162,1979
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 17 gm/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Liver - tumors
Blood - lymphoma, including Hodgkin's disease
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-162,1979
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 5030 mg/kg/84W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Liver - tumors
Blood - lymphoma, including Hodgkin's disease
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-162,1979
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 9000 mg/kg/36W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Liver - tumors
REFERENCE :
CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year:
29,1137,1969
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 8400 mg/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Liver - tumors
REFERENCE :
GANNA2 Gann. Japanese Journal of Cancer Research. (Tokyo, Japan) V.1-75,
1907-84. For publisher information, see JJCREP. Volume(issue)/page/year:
70,453,1979
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 16800 mg/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Liver - tumors
REFERENCE :
GANNA2 Gann. Japanese Journal of Cancer Research. (Tokyo, Japan) V.1-75,
1907-84. For publisher information, see JJCREP. Volume(issue)/page/year:
70,453,1979
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 1260 mg/kg
SEX/DURATION : male 10 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - mating performance (e.g. # sperm positive females
per # females mated; # copulations per # estrus cycles)
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: 16,753,1985
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 1260 mg/kg
SEX/DURATION : male 10 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
sperm morphology, motility, and count)
Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland,
accessory glands
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: 16,763,1985
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 210 mg/kg
SEX/DURATION : male 1 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
sperm morphology, motility, and count)
Reproductive - Paternal Effects - testes, epididymis, sperm duct
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: 25,435,1988
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE : 1200 mg/kg
SEX/DURATION : female 6-13 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured
before birth)
Reproductive - Effects on Newborn - live birth index (measured after birth)
REFERENCE :
TCMUD8 Teratogenesis, Carcinogenesis, and Mutagenesis. (Alan R. Liss, Inc.,
41 E. 11th St., New York, NY 10003) V.1- 1980- Volume(issue)/page/year:
7,29,1987
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 10 mg/plate
REFERENCE :
ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For
publisher information, see EMMUEG. Volume(issue)/page/year: 5(Suppl
1),3,1983
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 10 ug/plate
REFERENCE :
JJIND8 JNCI, Journal of the National Cancer Institute. (Washington, DC)
V.61-79, 1978-87. For publisher information, see JNCIEQ.
Volume(issue)/page/year: 76,291,1986
TYPE OF TEST : Mutation test systems - not otherwise specified
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 60 mg/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 192,239,1987
TYPE OF TEST : Phage inhibition capacity
TEST SYSTEM : Bacteria - Escherichia coli
DOSE/DURATION : 100 mmol/L
REFERENCE :
MDMIAZ Medycyna Doswiadczalna i Mikrobiologia. For English translation, see
EXMMAV. (Ars Polona, POB 1001, 00-068 Warsaw 1, Poland) V.1- 1949-
Volume(issue)/page/year: 31,11,1979
TYPE OF TEST : Sex chromosome loss and nondisjunction
ROUTE OF EXPOSURE : Parenteral
TEST SYSTEM : Insect - Drosophila melanogaster
DOSE/DURATION : 5 mmol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 56,31,1977
TYPE OF TEST : Sex chromosome loss and nondisjunction
ROUTE OF EXPOSURE : Oral
TEST SYSTEM : Insect - Drosophila melanogaster
DOSE/DURATION : 15200 mmol/L/3D
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 48,181,1977
TYPE OF TEST : DNA damage
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: 127,107,1984
TYPE OF TEST : Unscheduled DNA synthesis
TEST SYSTEM : Human Liver
DOSE/DURATION : 100 umol/L
REFERENCE :
CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year:
49,1075,1989
TYPE OF TEST : Micronucleus test
ROUTE OF EXPOSURE : Oral
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 300 mg/kg
REFERENCE :
CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980-
Volume(issue)/page/year: 12,2233,1991
TYPE OF TEST : DNA adduct
ROUTE OF EXPOSURE : Oral
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 84 mg/kg/3W (Continuous)
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 367,209,1996
TYPE OF TEST : DNA damage
ROUTE OF EXPOSURE : Intraperitoneal
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 37 mg/kg
REFERENCE :
CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980-
Volume(issue)/page/year: 6,1285,1985
TYPE OF TEST : Unscheduled DNA synthesis
ROUTE OF EXPOSURE : Oral
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 150 mg/kg
REFERENCE :
ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For
publisher information, see EMMUEG. Volume(issue)/page/year: 4,553,1982
TYPE OF TEST : Unscheduled DNA synthesis
TEST SYSTEM : Rodent - rat Liver
DOSE/DURATION : 10 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 315,147,1994
TYPE OF TEST : Body fluid assay
TEST SYSTEM : Rodent - rat Bacteria - Salmonella typhimurium
DOSE/DURATION : 70 mg/kg
REFERENCE :
JJIND8 JNCI, Journal of the National Cancer Institute. (Washington, DC)
V.61-79, 1978-87. For publisher information, see JNCIEQ.
Volume(issue)/page/year: 76,291,1986
TYPE OF TEST : DNA inhibition
ROUTE OF EXPOSURE : Intraperitoneal
TEST SYSTEM : Rodent - mouse
DOSE/DURATION : 111 mg/kg
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 91,75,1981
TYPE OF TEST : Sister chromatid exchange
ROUTE OF EXPOSURE : Intraperitoneal
TEST SYSTEM : Rodent - mouse
DOSE/DURATION : 9 mg/kg
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 108,225,1983
TYPE OF TEST : Mutation in mammalian somatic cells
TEST SYSTEM : Rodent - mouse Lymphocyte
DOSE/DURATION : 198 mg/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 135,115,1984
TYPE OF TEST : Morphological transformation
TEST SYSTEM : Rodent - hamster Embryo
DOSE/DURATION : 500 ug/L
REFERENCE :
CALEDQ Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland
Ltd., POB 85, Limerick, Ireland) V.1- 1975- Volume(issue)/page/year:
3,45,1977
TYPE OF TEST : Mutation test systems - not otherwise specified
TEST SYSTEM : Rodent - hamster Ovary
DOSE/DURATION : 6 mmol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 265,45,1992
TYPE OF TEST : Cytogenetic analysis
TEST SYSTEM : Rodent - hamster Ovary
DOSE/DURATION : 4 mmol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 265,45,1992
TYPE OF TEST : Mutation in mammalian somatic cells
TEST SYSTEM : Rodent - hamster Ovary
DOSE/DURATION : 2 gm/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 135,115,1984
*** REVIEWS ***
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: 16,83,1978
IARC Cancer Review:Human No Adequate Data
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: 16,83,1978
IARC Cancer Review:Group 2B
IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49
Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year:
7,56,1987
*** OCCUPATIONAL EXPOSURE LIMITS ***
OEL-FINLAND;Carcinogen JAN 1993
OEL-GERMANY;Carcinogen JAN 1993
OEL-RUSSIA:STEL 2 mg/m3;Skin JAN 1993
OEL-SWEDEN;Carcinogen JAN 1993
OEL-SWITZERLAND;Carcinogen JAN 1993
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
NIOSH REL TO TOLUENEDIAMINE-air:CA lowest feasible concentration
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 - X5386
No. of Facilities: 130 (estimated)
No. of Industries: 6
No. of Occupations: 15
No. of Employees: 8511 (estimated)
No. of Female Employees: 396 (estimated)
*** STATUS IN U.S. ***
EPA GENETOX PROGRAM 1988, Positive: Carcinogenicity-mouse/rat; Histidine
reversion-Ames test
EPA GENETOX PROGRAM 1988, Positive: D melanogaster Sex-linked lethal
EPA GENETOX PROGRAM 1988, Negative: N crassa-aneuploidy; Sperm
morphology-mouse
EPA GENETOX PROGRAM 1988, Inconclusive: SHE-clonal assay
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA 8(a) PRELIMINARY ASSESSMENT INFORMATION, PROPOSED RULE
FEREAC Federal Register. (U.S. Government Printing Office, Supt. of
Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year:
47,27009,82
EPA TSCA Section 8(d) unpublished health/safety studies
On EPA IRIS database
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
NIOSH CURRENT INTELLIGENCE BULLETIN 53, DECEMBER 1989
NIOSH Analytical Method, 1994: 2,4-Toluenediamine, 5516
NCI Carcinogenesis Bioassay (feed);clear evidence:mouse,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-162,79
NTP 7th Annual Report on Carcinogens, 1992 : anticipated to be carcinogen
NTP Carcinogenesis studies; on test (prechronic studies), October 1997
OSHA ANALYTICAL METHOD #ID-65
*** END OF RECORD ***
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