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/ 13/95, 20:50 CAMEO'm 4.0 Chernical Database page 2 <br /> TLV TWA: 3 ppm (OcACGIH, 1991) <br /> 1-1,V STEi.: S ppm (( ACGIH, 1991) <br /> Fire Hazard: <br /> When heated to decomposition, toxic fumes of nitrogen oxides are emitted. May <br /> ignite other combustible materials (wood, paper, oil, etc.). Mixture with fueis may <br /> explode. Container may explode in heat of fire. Vapor explosion and poison hazard <br /> may occur indoors, outdoors or in sewers. Decomposes in water, forming nitric acid <br /> and nitric oxide. Avoid moisture and physical damage to storage container. <br /> Incompatible with combustible matter, chlorinated hydrocarbons, ammonia, carbon <br /> disulfide. Reacts with alkalies to form nitrates and nitrites. Violent reaction with <br /> cyclonexane, fluorine, formaldehyde, alcohols, nitrobenzene, petroleum, and <br /> toiuene. <br /> (EPA, 1990) <br /> Health Hazards: <br /> Severe exposures may be fatal. Contact may cause burns to skin and eyes. Contact <br /> with liquid may cause frostbite. This compound was reported to react with blood to <br /> form methemoglobin. The lowest lethal human inhalation dose has been reported at <br /> 200 ppm/1. min. (EPA, 1990 <br /> Fire Fighting: <br /> Move container from fire area if you can do so without risk. Stay <br /> fire is out. away from ends of <br /> Eanxs. Spray cuinrng water do containers that are exposed to flames until well after <br /> Extinguish with dry chemical, carbon dioxide, water spray, fog, or foam. For massive <br /> 5re in cargo area, use unmanned hose holder or monitor "'Oz if this is impossible, <br /> withdraw from area and let fire burn. (EPA, 1990) <br /> Non-Fire Response: <br /> Keep sparks, flames, and other sources of ignition away. Keep material out of water <br /> sources and sewers. Attempt to stop leak if without undue personnel hazard. Use <br /> water spray to knock-down vapors. Vapor knockdown water is corrosive or toxic <br /> and should be diked for containment. Land spill: Dig a pit, pond, lagoon, holding <br /> area to contain liquid or solid material. Dike surface flow using soil, sand bags, <br /> foamed polyurethane, or foamed concrete. Absorb bulls liquid with fly ash or <br /> cement powder. Neutralize with agricultural time (CaO), crushed limestone <br />