毒理学数据:
大鼠经LD50:7mg/kg。人经口摄取1g,能引起中毒死亡。
生态学数据:
通常对水体是稍微有害的,不要将未稀释或大量产品接触地下水,水道或污水系统,未经政府许可勿将材料排入周围环境。
CHEMICAL IDENTIFICATION
-
RTECS NUMBER :
-
VS7350000
-
CHEMICAL NAME :
-
Selenious acid, disodium salt
-
CAS REGISTRY NUMBER :
-
10102-18-8
-
LAST UPDATED :
-
199712
-
DATA ITEMS CITED :
-
108
-
MOLECULAR FORMULA :
-
O3-Se.2Na
-
MOLECULAR WEIGHT :
-
172.94
-
WISWESSER LINE NOTATION :
-
NA2 SE-O3
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 :
-
7 mg/kg
-
TOXIC EFFECTS :
-
Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - hypermotility, diarrhea
-
TYPE OF TEST :
-
LDLo - Lowest published lethal dose
-
ROUTE OF EXPOSURE :
-
Intraperitoneal
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
5476 ug/kg
-
TOXIC EFFECTS :
-
Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - cyanosis Lungs, Thorax, or Respiration - other changes
-
TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
-
ROUTE OF EXPOSURE :
-
Intravenous
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
3 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 :
-
Parenteral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
6570 ug/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 - mouse
-
DOSE/DURATION :
-
7080 ug/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 :
-
13 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 :
-
Intravenous
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
5 mg/kg
-
TOXIC EFFECTS :
-
Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Cardiac - other changes Lungs, Thorax, or Respiration - other changes
-
TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
-
ROUTE OF EXPOSURE :
-
Intracervical
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
300 ug/kg
-
TOXIC EFFECTS :
-
Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - changes in motor activity (specific assay) Lungs, Thorax, or Respiration - dyspnea
-
TYPE OF TEST :
-
LDLo - Lowest published lethal dose
-
ROUTE OF EXPOSURE :
-
Subcutaneous
-
SPECIES OBSERVED :
-
Mammal - dog
-
DOSE/DURATION :
-
4 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 :
-
Intravenous
-
SPECIES OBSERVED :
-
Mammal - dog
-
DOSE/DURATION :
-
1916 ug/kg
-
TOXIC EFFECTS :
-
Cardiac - arrhythmias (including changes in conduction) Lungs, Thorax, or Respiration - respiratory stimulation Gastrointestinal - hypermotility, diarrhea
-
TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rabbit
-
DOSE/DURATION :
-
2250 ug/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 :
-
Intraperitoneal
-
SPECIES OBSERVED :
-
Rodent - rabbit
-
DOSE/DURATION :
-
4 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 :
-
Subcutaneous
-
SPECIES OBSERVED :
-
Rodent - rabbit
-
DOSE/DURATION :
-
6 mg/kg
-
TOXIC EFFECTS :
-
Behavioral - convulsions or effect on seizure threshold Endocrine - hypoglycemia
-
TYPE OF TEST :
-
LDLo - Lowest published lethal dose
-
ROUTE OF EXPOSURE :
-
Intravenous
-
SPECIES OBSERVED :
-
Rodent - rabbit
-
DOSE/DURATION :
-
1971 ug/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 :
-
Intramuscular
-
SPECIES OBSERVED :
-
Rodent - rabbit
-
DOSE/DURATION :
-
2530 ug/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 :
-
Parenteral
-
SPECIES OBSERVED :
-
Rodent - rabbit
-
DOSE/DURATION :
-
1971 ug/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 :
-
Mammal - pig
-
DOSE/DURATION :
-
13 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 :
-
Intravenous
-
SPECIES OBSERVED :
-
Mammal - pig
-
DOSE/DURATION :
-
6570 ug/kg
-
TOXIC EFFECTS :
-
Brain and Coverings - recordings from specific areas of CNS Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - acute pulmonary edema
-
TYPE OF TEST :
-
LDLo - Lowest published lethal dose
-
ROUTE OF EXPOSURE :
-
Intramuscular
-
SPECIES OBSERVED :
-
Mammal - pig
-
DOSE/DURATION :
-
2190 ug/kg
-
TOXIC EFFECTS :
-
Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - hypermotility, diarrhea Nutritional and Gross Metabolic - weight loss or decreased weight gain
-
TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - guinea pig
-
DOSE/DURATION :
-
5060 ug/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 :
-
Parenteral
-
SPECIES OBSERVED :
-
Bird - chicken
-
DOSE/DURATION :
-
8500 ug/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 :
-
Mammal - domestic
-
DOSE/DURATION :
-
3300 ug/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 :
-
Mammal - horse, donkey
-
DOSE/DURATION :
-
13 mg/kg
-
TOXIC EFFECTS :
-
Cardiac - pulse rate increase, without fall in BP Lungs, Thorax, or Respiration - respiratory stimulation Gastrointestinal - hypermotility, diarrhea
-
TYPE OF TEST :
-
LDLo - Lowest published lethal dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Mammal - cattle
-
DOSE/DURATION :
-
9900 ug/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 :
-
Intramuscular
-
SPECIES OBSERVED :
-
Mammal - domestic
-
DOSE/DURATION :
-
1533 ug/kg
-
TOXIC EFFECTS :
-
Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
5397 mg/kg/6W-C
-
TOXIC EFFECTS :
-
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 :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
152 mg/kg/13W-C
-
TOXIC EFFECTS :
-
Kidney, Ureter, Bladder - interstitial nephritis Kidney, Ureter, Bladder - changes in bladder weight Endocrine - effect on menstrual cycle
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
1966 mg/kg/1Y-C
-
TOXIC EFFECTS :
-
Blood - normocytic anemia Related to Chronic Data - death
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - mouse
-
DOSE/DURATION :
-
942 mg/kg/2Y-C
-
TOXIC EFFECTS :
-
Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Kidney, Ureter, Bladder - other changes Related to Chronic Data - death
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rabbit
-
DOSE/DURATION :
-
2541 ug/kg/33W-I
-
TOXIC EFFECTS :
-
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Mammal - pig
-
DOSE/DURATION :
-
13 gm/kg/5W-C
-
TOXIC EFFECTS :
-
Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other oxidoreductases Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Bird - duck
-
DOSE/DURATION :
-
168 mg/kg/6W-C
-
TOXIC EFFECTS :
-
Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other oxidoreductases Biochemical - Metabolism (Intermediary) - other proteins
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Bird - duck
-
DOSE/DURATION :
-
58800 ug/kg/12W-C
-
TOXIC EFFECTS :
-
Blood - changes in leukocyte (WBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
DOSE :
-
384 mg/kg
-
SEX/DURATION :
-
male 34 week(s) pre-mating
-
TOXIC EFFECTS :
-
Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - other effects on male
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
DOSE :
-
15 mg/kg
-
SEX/DURATION :
-
male 13 week(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 :
-
999 mg/kg
-
SEX/DURATION :
-
female 1-19 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 :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
DOSE :
-
50 mg/kg
-
SEX/DURATION :
-
female 8-12 day(s) after conception
-
TOXIC EFFECTS :
-
Reproductive - Effects on Newborn - live birth index (measured after birth)
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
DOSE :
-
112 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) Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
DOSE :
-
50 mg/kg
-
SEX/DURATION :
-
female 8-12 day(s) after conception
-
TOXIC EFFECTS :
-
Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive)
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Subcutaneous
-
DOSE :
-
45995 ug/kg
-
SEX/DURATION :
-
female 7-12 day(s) after conception
-
TOXIC EFFECTS :
-
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Subcutaneous
-
DOSE :
-
1729 ug/kg
-
SEX/DURATION :
-
female 16 day(s) after conception
-
TOXIC EFFECTS :
-
Reproductive - Maternal Effects - uterus, cervix, vagina Reproductive - Effects on Embryo or Fetus - extra-embryonic structures (e.g., placenta, umbilical cord) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Subcutaneous
-
DOSE :
-
7890 ug/kg
-
SEX/DURATION :
-
female 12 day(s) after conception
-
TOXIC EFFECTS :
-
Reproductive - Effects on Newborn - live birth index (measured after birth) Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Intravenous
-
DOSE :
-
2836 ug/kg
-
SEX/DURATION :
-
female 12 day(s) after conception
-
TOXIC EFFECTS :
-
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
DOSE :
-
1003 mg/kg
-
SEX/DURATION :
-
female 1-16 week(s) after conception
-
TOXIC EFFECTS :
-
Reproductive - Effects on Newborn - weaning or lactation index (e.g., # alive at weaning per # alive at day 4) Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
DOSE :
-
17290 mg/kg
-
SEX/DURATION :
-
female 8 day(s) after conception
-
TOXIC EFFECTS :
-
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
-
TYPE OF TEST :
-
Cytogenetic analysis
-
TYPE OF TEST :
-
Sperm Morphology
-
TYPE OF TEST :
-
Cytogenetic analysis
-
TYPE OF TEST :
-
Cytogenetic analysis
-
TYPE OF TEST :
-
Sister chromatid exchange
MUTATION DATA
-
TYPE OF TEST :
-
Sister chromatid exchange
-
TEST SYSTEM :
-
Rodent - hamster Lung
-
DOSE/DURATION :
-
2 mg/L
-
REFERENCE :
-
CALEDQ Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1975- Volume(issue)/page/year: 18,109,1983 *** REVIEWS *** ACGIH TLV-TWA 0.2 mg(Se)/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: TLV/BEI,1997 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: 9,245,1975 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 TOXICOLOGY REVIEW CHREAY Chemical Reviews. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) V.1- 1924- Volume(issue)/page/year: 28,179,1941 TOXICOLOGY REVIEW PHREA7 Physiological Reviews. (American Physiological Soc., 9650 Rockville Pike, Bethesda, MD 20814) V.1- 1921- Volume(issue)/page/year: 23,305,1943 TOXICOLOGY REVIEW 85DHAX "Medical and Biologic Effects of Environmental Pollutants Series," Washington, DC, National Academy of Sciences, 1972-77 Volume(issue)/page/year: Se,112,1976 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.2 mg(Se)/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: 3,224,1971 OSHA PEL (Gen Indu):8H TWA 0.2 mg(Se)/m3 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 0.2 mg(Se)/m3 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 0.2 mg(Se)/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 0.2 mg(Se)/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-ARAB Republic of Egypt:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-AUSTRALIA:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-BELGIUM:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-DENMARK:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-FINLAND:TWA 0.1 mg(Se)/m3;STEL 0.3 mg(Se)/m3 JAN 1993 OEL-GERMANY:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-HUNGARY:STEL 0.1 mg(Se)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-POLAND:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-SWEDEN:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-TURKEY:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.1 mg(Se)/m3 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 OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84379 No. of Facilities: 480 (estimated) No. of Industries: 5 No. of Occupations: 5 No. of Employees: 1198 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84379 No. of Facilities: 741 (estimated) No. of Industries: 7 No. of Occupations: 19 No. of Employees: 10544 (estimated) No. of Female Employees: 3736 (estimated)
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