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AUG 29 '90 03-54 M.H.LCOG. � P. 19/21 <br /> Page 13 <br /> Xvl� <br /> The Xylenes are colorless liquids with an aromatic odor. Xylene <br /> occurs in three isomers; the para, meta and ortho isomers. <br /> Xylene isomers occur together and are usually treated as total <br /> xylene rather than identifying individual isomers. Xylene has a <br /> melting point range of --12 to 55 F and a boiling point range of <br /> 281 to 292 F. Xylene'e UELs range from 6% to 7%, LELs from 1% to <br /> 1. 1%. xylenes have flash paints from 81 F to 90 F. Xylenes are <br /> incompatible with strong oxidizers. Xylene has an ACGIH TLV of <br /> 1.00 ppm or 435 mg/m3 with a ceiling concentration of 150 ppm or <br /> 651 mg/m3 . Xylene has an IDLH level of 1000 ppm. Symptoms of <br /> over-exposure include dizziness, excitement, drowsiness, <br /> incoherence, staggering gait, irritation of the eyes, nose and <br /> throat, corneal, vacuolization, anorexia, nausea, vomiting, <br /> abdominal pain and dermatitis. <br /> Dies <br /> Diesel fuel is a slightly viscous, yellow-brown oily liquid with <br /> a low vapor pressure which floats on water. Diesel fuel is a <br /> mixture of aromatic and aliphatic hydrocarbons. It has a smell <br /> characteristic of fuel oil . It is irritating to skin and eyes <br /> and harmful if swallowed. It has a flash paint of 100 F and an <br /> ignition temperature of 350 to 825 F. If ingested, do not induce <br /> vomiting. Ingestion causes nausea, vomiting and cramping; <br /> depression of the central nervous system ranging from mild <br /> headache to anesthesia, coma and death, pulmonary irritation <br /> secondary to inhalation of solvent, signs of kidney and liver <br /> damage may be delayed. Aspiration causes severe lung irritation <br /> and coughing, gagging, dyspnea, substernal distress and rapidly <br /> developing pulmonary edema. It has an odor threshold of 0.7 <br /> ppm. No IDLH or threshold limit value has been established. <br />