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Table 4
<br />Potential Chemical Hazards
<br />Metals
<br />CHEMICAL SYNONYMS &
<br />TRADE NAMES PROPERTIES
<br />EXPOSURE LIMITS (mg/m3 ) ROUTES OF EXPOSURE SYMPTOMS! HEALTH EFFECTS TARGET ORGANS TWA
<br />(8-hour workshift
<br />40-hour week)
<br />IDLH
<br />(exit immediately)
<br />Mercury
<br />Colloidal mercury
<br />Metallic mercury
<br />Quicksilver
<br />Hg
<br />Silver-white, heavy, odorless liquid. 0.025 10
<br />inh
<br />abs , ing
<br />con
<br />Irritation eyes, skin; cough, chest pain, dyspnea (breathing
<br />difficulty), bronchitis, pneumonitis; tremor, insomnia, irritability,
<br />indecision, headache, lassitude (weakness, exhaustion);
<br />stomatitis, salivation; gastrointestinal disturbance, anorexia,
<br />weight loss; proteinuria
<br />Eyes, skin, respiratory system,
<br />central nervous system, kidneys
<br />Molybdenum Molybdenum metal
<br />Mo Dark gray or black powder with a metallic luster. 10 5,000
<br />inh
<br />ing
<br />con
<br />In animals: irritation eyes, nose, throat; anorexia, diarrhea, weigh
<br />loss; listlessness; liver, kidney damage
<br />Eyes, respiratory system, liver,
<br />kidneys
<br />Nickel
<br />Elemental nickel
<br />Nickel catalyst
<br />Ni
<br />Lustrous, silvery, odorless solid. 1 10
<br />1 inh
<br />I ing
<br />' con
<br />Sensitization dermatitis, allergic asthma, pneumonitis
<br />CARCINOGEN
<br />Nasal cavities, lungs, skin
<br />Target Organs Nasal cavities,
<br />lungs, skin
<br />Selenium
<br />Elemental selenium
<br />Selenium alloy
<br />Se
<br />Amorphous or crystalline, red to gray solid. [Note:
<br />as an impurity in most sulfide ores.] 0.2 1
<br />inh
<br />ing
<br />con
<br />Irritation eyes, skin, nose, throat; visual disturbance; headache;
<br />chills, fever; dyspnea (breathing difficulty), bronchitis; metallic
<br />taste, garlic breath, gastrointestinal disturbance; dermatitis; eye,
<br />skin burns; in animals: anemia; liver necrosis, cirrhosis; kidney,
<br />spleen damage
<br />Eyes, skin, Eyes skin respiratory system,
<br />liver, kidneys, blood, spleen
<br />Silver Argentum
<br />Ag White, lustrous solid. 0.01 10
<br />inh
<br />ing
<br />con
<br />Blue-gray eyes, nasal septum, throat, skin; irritation, ulceration
<br />skin; gastrointestinal disturbance Nasal septum, skin, eyes
<br />Thalium soluble compounds, as
<br />TI
<br />Appearance and odor vary depending upon the
<br />specific soluble thallium compound. 0.1 15
<br />inh
<br />abs
<br />ing
<br />con
<br />Nausea, diarrhea, abdominal pain, vomiting; ptosis, strabismus;
<br />pen neuritis, tremor; retrostemal (occurring behind the sternum)
<br />tightness, chest pain, pulmonary edema; convulsions, chorea,
<br />psychosis; liver, kidney damage; alopecia; paresthesia legs
<br />Eyes, respiratory system, central
<br />nervous system, liver, kidneys,
<br />gastrointestinal tract, body hair
<br />Vanadium
<br />Ferrovanadium
<br />(Ferrovanadium metal is
<br />an alloy usually
<br />containing 50-80%
<br />vanadium)
<br />Dark, odorless particulate dispersed in air. 1
<br />1
<br />,
<br />500 inh
<br />con
<br />Irritation eyes, respiratory system; in animals: bronchitis,
<br />pneumonitis Eyes, respiratory system
<br />Zinc Zinc oxide White, odorless solid. 5 500 inh
<br />Metal fume fever: chills, muscle ache, nausea, fever, dry throat,
<br />cough; lassitude (weakness, exhaustion); metallic taste;
<br />headache; blurred vision; low back pain; vomiting; malaise
<br />(vague feeling of discomfort); chest tightness; dyspnea
<br />(breathing difficulty), rales, decreased pulmonary function
<br />Respiratory system
<br />Page 2 of 3
<br /> The Source Group, Inc.
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