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File: 082696_doc1_051.txt
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LEWISITE
SECTION III-- HEALTH HAZARD DATA
OSHA PEL: TWA 500 mg/m3 as arsenic (NIOSH/RTECS 1982, p. 442)
ACGIH TLV: Not Found
IDLH: Not Found
Other Limits Recommended: Not Found
Routes of Entry: Inhalation: Yes (Sax 1984, p. 783)
Skin: Yes (Sax 1984, p. 783)
Ingestion: Yes (Sax 1984, p. 783)
Health Hazards (Acute, Delayed, and Chronic): Highly toxic by all routes
of exposure. Lethal dose in humans is 6 ppm (inhalation), 20 mg/kg (skin)
y (Sax 1984, p. 783). Eye injury below 300 mg-min./m3. It is a blister
agent, cell irritant, and systemic poison (U.S. Army 1975, pp. 3-11, 3-12).
Medical Conditions Generally Aggravated by Exposure: Not Found
SECTION IV-- FIRE AND EXPLOSION HAZARD DATA
Flash Point (Method Used): None (U.S. Army 1975, pp. 3-11, 3-12)
Flammable Limits:
-~ LEL: Not Found
UEL: Not Found
Extinguishing Methods: (Non-Specific -- Arsenic Compound, Liquid, n.o.s.)
Extinguish with dry chemical, carbon dioxide, water spray, or foam. Use
water spray, fog, or foam for large fires (DOT 1984, Guide 55).
Special Fire Fighting Procedures: (Non-Specific -- Arsenic Compound,
Liquid, n.o.s.) Wear special protective clothing and positive pressure
breathing apparatus (DOT 1984, Guide 55).
Unusual Fire and Explosion Hazards: (Non-Specific -- Arsenic Compound,
Liquid, n.o.s.) Container may explode in heat of fire. Fire may produce
irritating and poisonous gases (DOT 1984, Guide 55).
NFPA Flammability Rating: Not Found
I SECTION V--REACTIVITY DATA
Stability: Unstable: Not Found
Stable: Not Found
Conditions to Avoid: Not Found
Incompatibility (Materials to Avoid): Hydrolyzed by alkalies; neutralized
by sodium hypochlorite (Merck 1983, p. 445).
1 Hazardous Decomposition or Byproducts: Not Found
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