毒理学数据:
1.急性毒性
LD50:1600~2000mg/kg(大鼠经口)
LC50:88000mg/m3(大鼠吸入,1/2h)
2.刺激性
家兔经皮:810mg(24h),重度刺激。
家兔经眼:162mg,中度刺激。
3.亚急性与慢性毒性
大鼠吸入4.69g/m3,每天8h,共75d,无病理改变。暴露时间增加,有轻度肝萎缩、脂肪变性和细胞浸润。
4.致突变性 微生物致突变:鼠伤寒沙门菌5700ppm。DNA抑制:人成纤维细胞5000ppm(1h)(连续)。DNA损伤:仓鼠卵巢3000ppm。姐妹染色单体交换:仓鼠肺5000ppm(1h)(连续性)
5.致畸性 大鼠孕后6~15d吸入给予最低中毒剂量(TCLo)1250ppm(7h),致肌肉骨骼系统和泌尿生殖系统发育畸形。
6.致癌性 IARC致癌性评论:G2B,可疑人类致癌物。
7.其他 大鼠吸入最低中毒浓度(TCLo):1250ppm(7h)(孕6~15d),引起肌肉骨骼发育异常,泌尿生殖系统发育异常。
生态学数据:
1.生态毒性
LC50:193mg/L(96h)(黑头呆鱼,动态);310mg/L(96h)(黑头呆鱼,静态);200~250mg/L(96h)(蓝鳃太阳鱼,静态);224mg/L(48h)(水蚤);256mg/L(96h)(糖虾)
2.生物降解性
好氧生物降解(h):168~672
厌氧生物降解(h):672~2688
3.非生物降解性
光解最大光吸收波长范围(nm):220~250
空气中光氧化半衰期-高(h):458~4584
一级水解半衰期(h):704a
4.其他有害作用 该物质对环境有危害,在地下水中有蓄积作用。对水生生物应给予特别注意。还应注意对大气的污染。
CHEMICAL IDENTIFICATION
-
RTECS NUMBER :
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PA8050000
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CHEMICAL NAME :
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Methane, dichloro-
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CAS REGISTRY NUMBER :
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75-09-2
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BEILSTEIN REFERENCE NO. :
-
1730800
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LAST UPDATED :
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199712
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DATA ITEMS CITED :
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119
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MOLECULAR FORMULA :
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C-H2-Cl2
-
MOLECULAR WEIGHT :
-
84.93
-
WISWESSER LINE NOTATION :
-
G1G
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
-
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 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 :
-
Standard Draize test
-
ROUTE OF EXPOSURE :
-
Administration into the eye
-
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
-
DOSE/DURATION :
-
357 mg/kg
-
TOXIC EFFECTS :
-
Peripheral Nerve and Sensation - paresthesis Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold
-
TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
SPECIES OBSERVED :
-
Human
-
DOSE/DURATION :
-
500 ppm/1Y-I
-
TOXIC EFFECTS :
-
Behavioral - altered sleep time (including change in righting reflex) Behavioral - somnolence (general depressed activity) Cardiac - change in rate
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TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
SPECIES OBSERVED :
-
Human
-
DOSE/DURATION :
-
500 ppm/8H
-
TOXIC EFFECTS :
-
Behavioral - euphoria
-
TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
1600 mg/kg
-
TOXIC EFFECTS :
-
Behavioral - ataxia
-
TYPE OF TEST :
-
LC50 - Lethal concentration, 50 percent kill
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ROUTE OF EXPOSURE :
-
Inhalation
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
52 gm/m3
-
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 - rat
-
DOSE/DURATION :
-
916 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 :
-
Intratracheal
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
350 mg/kg
-
TOXIC EFFECTS :
-
Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Lungs, Thorax, or Respiration - acute pulmonary edema
-
TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
-
ROUTE OF EXPOSURE :
-
Unreported
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
5350 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 - mouse
-
DOSE/DURATION :
-
14400 ppm/7H
-
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 :
-
437 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 :
-
Subcutaneous
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
6460 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 :
-
4770 mg/kg
-
TOXIC EFFECTS :
-
Gastrointestinal - ulceration or bleeding from stomach Gastrointestinal - ulceration or bleeding from small intestine
-
TYPE OF TEST :
-
LDLo - Lowest published lethal dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Mammal - dog
-
DOSE/DURATION :
-
3 gm/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 :
-
Mammal - dog
-
DOSE/DURATION :
-
14108 ppm/7H
-
TOXIC EFFECTS :
-
Sense Organs and Special Senses (Eye) - miosis (pupillary constriction) Vascular - BP lowering not characterized in autonomic section Lungs, Thorax, or Respiration - dyspnea
-
TYPE OF TEST :
-
LDLo - Lowest published lethal dose
-
ROUTE OF EXPOSURE :
-
Intraperitoneal
-
SPECIES OBSERVED :
-
Mammal - dog
-
DOSE/DURATION :
-
950 mg/kg
-
TOXIC EFFECTS :
-
Liver - liver function tests impaired
-
TYPE OF TEST :
-
LDLo - Lowest published lethal dose
-
ROUTE OF EXPOSURE :
-
Intravenous
-
SPECIES OBSERVED :
-
Mammal - dog
-
DOSE/DURATION :
-
200 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 :
-
Mammal - cat
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DOSE/DURATION :
-
43400 mg/m3/4.5H
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TOXIC EFFECTS :
-
Behavioral - general anesthetic Behavioral - ataxia Nutritional and Gross Metabolic - body temperature decrease
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TYPE OF TEST :
-
LDLo - Lowest published lethal dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rabbit
-
DOSE/DURATION :
-
1900 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 - rabbit
-
DOSE/DURATION :
-
10000 ppm/7H
-
TOXIC EFFECTS :
-
Details of toxic effects not reported other than lethal dose value
-
TYPE OF TEST :
-
LDLo - Lowest published lethal dose
-
ROUTE OF EXPOSURE :
-
Subcutaneous
-
SPECIES OBSERVED :
-
Rodent - rabbit
-
DOSE/DURATION :
-
2700 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 - rabbit
-
DOSE/DURATION :
-
1225 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 :
-
5000 ppm/2H
-
TOXIC EFFECTS :
-
Details of toxic effects not reported other than lethal dose value
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
91 gm/kg/2Y-C
-
TOXIC EFFECTS :
-
Behavioral - fluid intake Liver - fatty liver degeneration 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 :
-
3700 ppm/5H/4W-I
-
TOXIC EFFECTS :
-
Lungs, Thorax, or Respiration - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - dehydrogenases
-
TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
5000 ppm/24H/14W-C
-
TOXIC EFFECTS :
-
Liver - other changes Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Kidney, Ureter, Bladder - changes in bladder weight
-
TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
8400 ppm/6H/13W-I
-
TOXIC EFFECTS :
-
Liver - changes in liver weight Related to Chronic Data - death
-
TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
44 mg/m3/24H/96D-C
-
TOXIC EFFECTS :
-
Nutritional and Gross Metabolic - weight loss or decreased weight gain
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Administration onto the skin
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
39270 mg/kg/17W-I
-
TOXIC EFFECTS :
-
Liver - other changes Liver - changes in liver weight
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
1862 mg/kg/2W-I
-
TOXIC EFFECTS :
-
Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)
-
TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
13000 ppm/6H/19D-I
-
TOXIC EFFECTS :
-
Related to Chronic Data - death
-
TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
150 ppm/24H/30D-C
-
TOXIC EFFECTS :
-
Liver - changes in liver weight Endocrine - changes in spleen weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other esterases
-
TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
5000 ppm/24H/7D-C
-
TOXIC EFFECTS :
-
Liver - changes in liver weight 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 - mouse
-
DOSE/DURATION :
-
300 ppm/24H/90D-C
-
TOXIC EFFECTS :
-
Liver - changes in liver weight Endocrine - changes in spleen weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other esterases
-
TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
SPECIES OBSERVED :
-
Mammal - dog
-
DOSE/DURATION :
-
1000 ppm/24H/7W-C
-
TOXIC EFFECTS :
-
Behavioral - food intake (animal) Musculoskeletal - other changes Related to Chronic Data - death
-
TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
SPECIES OBSERVED :
-
Primate - monkey
-
DOSE/DURATION :
-
5000 ppm/24H/32D-C
-
TOXIC EFFECTS :
-
Behavioral - food intake (animal) Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
-
TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
SPECIES OBSERVED :
-
Rodent - guinea pig
-
DOSE/DURATION :
-
552 ppm/6H/5D-I
-
TOXIC EFFECTS :
-
Liver - other changes Biochemical - Metabolism (Intermediary) - lipids including transport
-
TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
3500 ppm/6H/2Y-I
-
TOXIC EFFECTS :
-
Tumorigenic - Carcinogenic by RTECS criteria Endocrine - tumors
-
TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
2000 ppm/5H/2Y-C
-
TOXIC EFFECTS :
-
Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors
-
TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
DOSE :
-
4500 ppm/24H
-
SEX/DURATION :
-
female 1-17 day(s) after conception
-
TOXIC EFFECTS :
-
Reproductive - Effects on Newborn - behavioral
-
TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
DOSE :
-
1250 ppm/7H
-
SEX/DURATION :
-
female 6-15 day(s) after conception
-
TOXIC EFFECTS :
-
Reproductive - Specific Developmental Abnormalities - musculoskeletal system Reproductive - Specific Developmental Abnormalities - urogenital system
-
TYPE OF TEST :
-
TCLo - Lowest published toxic concentration
-
ROUTE OF EXPOSURE :
-
Inhalation
-
DOSE :
-
1250 ppm/7H
-
SEX/DURATION :
-
female 6-15 day(s) after conception
-
TOXIC EFFECTS :
-
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
-
TYPE OF TEST :
-
Sex chromosome loss and nondisjunction
-
TYPE OF TEST :
-
DNA damage
-
TYPE OF TEST :
-
Micronucleus test
-
TYPE OF TEST :
-
DNA damage
-
TYPE OF TEST :
-
Cytogenetic analysis
-
TYPE OF TEST :
-
Sister chromatid exchange
MUTATION DATA
-
TYPE OF TEST :
-
Mutation in mammalian somatic cells
-
TEST SYSTEM :
-
Rodent - hamster Ovary
-
REFERENCE :
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MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 367,143,1996 *** 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 174 mg/m3 (50 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 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: 41,43,1986 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: 41,43,1986 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: 7,194,1987 TOXICOLOGY REVIEW FAZMAE Fortschritte der Arzneimittelforschung. Progress in Drug Research. (Birkhauser Boston, Inc., c/o Springer-Verlag New York, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1959- Volume(issue)/page/year: 18,365,1974 *** 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 500 ppm (1750 mg/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: 3,171,1971 OSHA PEL (Gen Indu):8H TWA 500 ppm;CL 1000 ppm;Pk 2000 ppm/5M/2H 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):see 56 FR 57036 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 500 ppm (1740 mg/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):8H TWA 500 ppm (1740 mg/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-AUSTRALIA:TWA 100 ppm (350 mg/m3);Carcinogen JAN 1993 OEL-AUSTRIA:TWA 100 ppm (360 mg/m3) JAN 1993 OEL-BELGIUM:TWA 50 ppm (174 mg/m3);Carcinogen JAN 1993 OEL-DENMARK:TWA 50 ppm (175 mg/m3);Skin;Carcinogen JAN 1993 OEL-FINLAND:TWA 100 ppm (350 mg/m3);STEL 250 ppm (870 mg/m3) JAN 1993 OEL-FRANCE:TWA 100 ppm (360 mg/m3);STEL 500 ppm (1800 mg/m3) JAN 1993 OEL-GERMANY:TWA 100 ppm (360 mg/m3);Carcinogen JAN 1993 OEL-HUNGARY:STEL 10 mg/m3;Carcinogen JAN 1993 OEL-JAPAN:TWA 100 ppm (350 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 100 ppm (350 mg/m3);STEL 500 ppm JAN 1993 OEL-THE PHILIPINES:TWA 500 ppm (1740 mg/m3) JAN 1993 OEL-POLAND:TWA 50 mg/m3 JAN 1993 OEL-RUSSIA:TWA 100 ppm;STEL 50 mg/m3 JAN 1993 OEL-SWEDEN:TWA 35 ppm (120 mg/m3);STEL 70 ppm (250 mg/m3);Skin JAN 1993 OEL-SWITZERLAND:TWA 100 ppm (360 mg/m3);STEL 500 ppm JAN 1993 OEL-THAILAND:TWA 500 mg/m3;STEL 1000 mg/m3 JAN 1993 OEL-TURKEY:TWA 500 ppm (1740 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 100 ppm (350 mg/m3);STEL 250 ppm 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 METHYLENE CHLORIDE-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 : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 47270 No. of Facilities: 89025 (estimated) No. of Industries: 374 No. of Occupations: 192 No. of Employees: 975696 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 47270 No. of Facilities: 87086 (estimated) No. of Industries: 363 No. of Occupations: 212 No. of Employees: 1438196 (estimated) No. of Female Employees: 352536 (estimated)
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