CHEMICAL IDENTIFICATION
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RTECS NUMBER :
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KN5250000
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CHEMICAL NAME :
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Ether, tert-butyl methyl
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CAS REGISTRY NUMBER :
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1634-04-4
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BEILSTEIN REFERENCE NO. :
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1730942
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LAST UPDATED :
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199712
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DATA ITEMS CITED :
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22
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MOLECULAR FORMULA :
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C5-H12-O
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MOLECULAR WEIGHT :
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88.17
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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4 gm/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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REFERENCE :
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NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB87-174603
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TYPE OF TEST :
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LC50 - Lethal concentration, 50 percent kill
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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23576 ppm/4H
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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REFERENCE :
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NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB87-174603
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TYPE OF TEST :
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LD - Lethal dose
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ROUTE OF EXPOSURE :
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Intraperitoneal
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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>148 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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REFERENCE :
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JSGRA2 Journal of Surgical Research. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1961- Volume(issue)/page/year: 53,572,1992
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TYPE OF TEST :
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LDLo - Lowest published lethal dose
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ROUTE OF EXPOSURE :
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Intravenous
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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148 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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REFERENCE :
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JSGRA2 Journal of Surgical Research. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1961- Volume(issue)/page/year: 53,572,1992
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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5960 uL/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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REFERENCE :
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CHHTAT Zhonghua Yixue Zazhi. Chinese Medical Journal. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 1915- Suspended 1967-72. Volume(issue)/page/year: 70,172,1990
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TYPE OF TEST :
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LC50 - Lethal concentration, 50 percent kill
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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141 gm/m3/15M
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TOXIC EFFECTS :
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Behavioral - general anesthetic
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REFERENCE :
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ANESAV Anesthesiology. (Lippincott/Harper, Journal Fulfillment Dept., 2350 Virginia Ave., Hagerstown, MD 21740) V.1- 1940- Volume(issue)/page/year: 11,455,1950
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Intraperitoneal
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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1700 uL/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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REFERENCE :
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CHHTAT Zhonghua Yixue Zazhi. Chinese Medical Journal. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 1915- Suspended 1967-72. Volume(issue)/page/year: 70,172,1990 ** OTHER MULTIPLE DOSE TOXICITY DATA **
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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20 gm/kg/14D-I
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TOXIC EFFECTS :
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Kidney, Ureter, Bladder - changes in bladder weight Blood - changes in erythrocyte (RBC) count Nutritional and Gross Metabolic - weight loss or decreased weight gain
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REFERENCE :
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JACTDZ Journal of the American College of Toxicology. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1-12, 1982-1993. Discontinued. Volume(issue)/page/year: 9(5),525,1990
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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27 gm/kg/90D-I
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TOXIC EFFECTS :
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Kidney, Ureter, Bladder - changes in bladder weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - changes in calcium
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REFERENCE :
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JACTDZ Journal of the American College of Toxicology. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1-12, 1982-1993. Discontinued. Volume(issue)/page/year: 9(5),525,1990
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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1516 ppm/6H/10D-I
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TOXIC EFFECTS :
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Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)
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REFERENCE :
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TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 143,301,1997 ** REPRODUCTIVE DATA **
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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DOSE :
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8000 ppm/6H
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SEX/DURATION :
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multigeneration
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TOXIC EFFECTS :
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Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive) Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)
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REFERENCE :
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JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981- Volume(issue)/page/year: 17(S1),S13,1997
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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DOSE :
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4000 ppm/6H
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SEX/DURATION :
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female 6-15 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
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REFERENCE :
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JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981- Volume(issue)/page/year: 17(S1),S21,1997
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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DOSE :
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8000 ppm/6H
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SEX/DURATION :
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female 6-15 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
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REFERENCE :
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JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981- Volume(issue)/page/year: 17(S1),S21,1997 *** 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 144 mg/m3 (40 ppm) 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 100 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4267 No. of Facilities: 614 (estimated) No. of Industries: 6 No. of Occupations: 9 No. of Employees: 5996 (estimated) No. of Female Employees: 1783 (estimated)
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