CAS 106-93-4|1,2-Dibromoethane

CHEMICAL IDENTIFICATION

RTECS NUMBER :

KH9275000

CHEMICAL NAME :

Ethane, 1,2-dibromo-

CAS REGISTRY NUMBER :

106-93-4

BEILSTEIN REFERENCE NO. :

0605266

LAST UPDATED :

199712

DATA ITEMS CITED :

164

MOLECULAR FORMULA :

C2-H4-Br2

MOLECULAR WEIGHT :

187.88

WISWESSER LINE NOTATION :

E2E

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Human

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration into the eye

SPECIES OBSERVED :

Rodent - rabbit

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Human - woman

DOSE/DURATION :

90 mg/kg

TOXIC EFFECTS :

Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting Kidney, Ureter, Bladder - urine volume decreased

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

108 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

14300 mg/m3/30M

TOXIC EFFECTS :

Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

300 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

250 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

220 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Unreported

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

146 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

55 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

300 mg/kg

TOXIC EFFECTS :

Nutritional and Gross Metabolic - body temperature decrease Skin and Appendages - corrosive (after topical exposure)

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Rectal

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

2500 mg/kg

TOXIC EFFECTS :

Lungs, Thorax, or Respiration - other changes Liver - hepatitis (hepatocellular necrosis), diffuse

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

110 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

400 ppm/3H

TOXIC EFFECTS :

Nutritional and Gross Metabolic - conditioned vitamin deficiency Lungs, Thorax, or Respiration - chronic pulmonary edema Liver - hepatitis (hepatocellular necrosis), zonal

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Bird - chicken

DOSE/DURATION :

79 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Bird - quail

DOSE/DURATION :

130 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - hypermotility, diarrhea

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

40 ppm/6H/13W-I

TOXIC EFFECTS :

Liver - changes in liver weight Blood - pigmented or nucleated red blood cells Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

100 ppm/7H/9D-I

TOXIC EFFECTS :

Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

160 mg/kg/2D-I

TOXIC EFFECTS :

Kidney, Ureter, Bladder - other changes

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

3 ppm/6H/13W-I

TOXIC EFFECTS :

Related to Chronic Data - death

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Primate - monkey

DOSE/DURATION :

50 ppm/7H/70D-I

TOXIC EFFECTS :

Behavioral - excitement Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

100 ppm/7H/4D-I

TOXIC EFFECTS :

Liver - hepatitis (hepatocellular necrosis), zonal Liver - fatty liver degeneration Related to Chronic Data - death

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

50 ppm/7H/80D-I

TOXIC EFFECTS :

Lungs, Thorax, or Respiration - changes in lung weight Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Bird - quail

DOSE/DURATION :

162 mg/kg/7D-I

TOXIC EFFECTS :

Liver - changes in liver weight Blood - pigmented or nucleated red blood cells Biochemical - Metabolism (Intermediary) - lipids including transport

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Bird - quail

DOSE/DURATION :

486 mg/kg/21D-I

TOXIC EFFECTS :

Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other transferases

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

540 mg/kg/78W-C

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Vascular - tumors Blood - tumors

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

10 ppm/6H/2Y-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors Vascular - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

16 gm/kg/53W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Gastrointestinal - tumors

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

40 ppm/6H/90W-I

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

190 gm/kg/62W-I

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - tumors Skin and Appendages - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

840 mg/kg/8W-I

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

16 gm/kg/61W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors Liver - tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

23 gm/kg/53W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Gastrointestinal - tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

24 gm/kg/57W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors Liver - tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

6630 mg/kg/34W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors Liver - tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

28 gm/kg/53W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Gastrointestinal - tumors

TYPE OF TEST :

TC - Toxic concentration (other than lowest)

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

20 ppm/7H/78W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Endocrine - adrenal cortex tumors Skin and Appendages - tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

7000 mg/kg/47W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors Liver - tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

18 gm/kg/44W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors Liver - tumors

TYPE OF TEST :

TC - Toxic concentration (other than lowest)

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

10 ppm/6H/2Y-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Vascular - tumors Lungs, Thorax, or Respiration - tumors

TYPE OF TEST :

TC - Toxic concentration (other than lowest)

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

40 ppm/6H/88W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors Vascular - tumors

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

DOSE :

88 ppb/8H

SEX/DURATION :

male 5 year(s) pre-mating

TOXIC EFFECTS :

Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

50 mg/kg

SEX/DURATION :

male 5 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetal death

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

DOSE :

66670 ppb/4H

SEX/DURATION :

female 3-20 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

DOSE :

80 ppm/23H

SEX/DURATION :

female 6-15 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetal death

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

DOSE :

89 ppm/7H

SEX/DURATION :

male 10 week(s) pre-mating

TOXIC EFFECTS :

Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands Reproductive - Fertility - male fertility index (e.g. # males impregnating females per # males exposed to fertile nonpregnant females)

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

DOSE :

39 ppm/7H

SEX/DURATION :

female 3 week(s) pre-mating

TOXIC EFFECTS :

Reproductive - Fertility - mating performance (e.g. # sperm positive females per # females mated; # copulations per # estrus cycles)

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

DOSE :

80 ppm/7H

SEX/DURATION :

female 3 week(s) pre-mating

TOXIC EFFECTS :

Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Unreported

DOSE :

25 mg/kg

SEX/DURATION :

male 1 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Effects on Newborn - behavioral

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

DOSE :

38 ppm/23H

SEX/DURATION :

female 6-15 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetal death

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

DOSE :

20 ppm/23H

SEX/DURATION :

female 6-15 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)

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

DOSE :

38 ppm/23H

SEX/DURATION :

female 6-15 day(s) after conception

TOXIC EFFECTS :

Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth)

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

DOSE :

32 ppm/23H

SEX/DURATION :

female 6-15 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Subcutaneous

DOSE :

225 mg/kg

SEX/DURATION :

male 5 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

40 mg/kg

SEX/DURATION :

male 10 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Subcutaneous

DOSE :

93600 ug/kg

SEX/DURATION :

male 12 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)

TYPE OF TEST :

Specific locus test

TYPE OF TEST :

Sex chromosome loss and nondisjunction

TYPE OF TEST :

Sex chromosome loss and nondisjunction

TYPE OF TEST :

Heritable translocation test

TYPE OF TEST :

Micronucleus test

TYPE OF TEST :

Morphological transformation

TYPE OF TEST :

DNA adduct

TYPE OF TEST :

DNA adduct

TYPE OF TEST :

DNA damage

TYPE OF TEST :

Unscheduled DNA synthesis

TYPE OF TEST :

Unscheduled DNA synthesis

TYPE OF TEST :

Sperm Morphology

TYPE OF TEST :

Morphological transformation

TYPE OF TEST :

DNA damage

TYPE OF TEST :

DNA damage

TYPE OF TEST :

DNA inhibition

MUTATION DATA

TEST SYSTEM :

Mammal - species unspecified

REFERENCE :

FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 18,743,1980 *** REVIEWS *** ACGIH TLV-Animal carcinogen (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: 15,195,1977 IARC Cancer Review:Human Inadequate Evidence IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,204,1987 IARC Cancer Review:Group 2A IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,204,1987 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 NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB83-184325 *** 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 20 ppm (145 mg/m3) (skin) DTLWS* "Documentation of the Threshold Limit Values for Substances in Workroom Air," Supplements. For publisher information, see 85INA8. Volume(issue)/page/year: 3,15,1973 OSHA PEL (Gen Indu):8H TWA 20 ppm;CL 30 ppm;Pk 50 ppm/5M/8H 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 25 ppm (190 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):CL 25 ppm (190 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):CL 25 ppm (190 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-ARAB Republic of Egypt:TWA 0.13 ppm (1 mg/m3) JAN 1993 OEL-AUSTRALIA;Skin;Carcinogen JAN 1993 OEL-BELGIUM;Skin;Carcinogen JAN 1993 OEL-DENMARK:TWA 0.1 ppm (1 mg/m3);Skin;Carcinogen JAN 1993 OEL-FINLAND:TWA 20 ppm (145 mg/m3);STEL 30 ppm;Skin;Carcinogen JAN 1993 OEL-FRANCE;Carcinogen JAN 1993 OEL-GERMANY;Skin;Carcinogen JAN 1993 OEL-HUNGARY:STEL 0.8 mg/m3;Skin;Carcinogen JAN 1993 OEL-THE NETHERLANDS:TWA 20 ppm (155 mg/m3);Skin JAN 1993 OEL-THE PHILIPPINES:TWA 25 ppm (190 mg/m3);Skin JAN 1993 OEL-POLAND:TWA 100 mg/m3 JAN 1993 OEL-SWEDEN;Carcinogen JAN 1993 OEL-SWITZERLAND:TWA 0.1 ppm (0.8 mg/m3);Skin;Carcinogen JAN 1993 OEL-THAILAND:TWA 20 ppm;STEL 30 ppm JAN 1993 OEL-TURKEY:TWA 25 ppm (190 mg/m3);Skin JAN 1993 OEL-UNITED KINGDOM:TWA 1 ppm (8 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 ETHYLENE DIBROMIDE-air:CA TWA 0.045 ppm;CL 0.13 ppm/15M 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 - 23660 No. of Facilities: 438 (estimated) No. of Industries: 5 No. of Occupations: 8 No. of Employees: 7921 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 23660 No. of Facilities: 496 (estimated) No. of Industries: 7 No. of Occupations: 13 No. of Employees: 8559 (estimated) No. of Female Employees: 792 (estimated)

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