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J <br /> Tom: <br /> i_a GASCO Gasoline Station January 30, 1991 <br /> Project No. 3-30054-31 Page.;'..-4 <br /> Toluene: Toluene is a colorless liquid with an aromatic odor. It is <br /> less volatile than benzene (vapor pressure = 22 nim Hg <br /> @ 68 °F)and may possibly be present in both the liquid <br /> and vapor state. The flash point of toluene is 40 IF, <br /> classifying it as a flammable liquid. <br /> Toluene can enter the body through all four routes of <br /> - exposure: (1) inhalation; (2) absorption, (3) ingestion; <br /> and (4) injection. Target organs are the central nervous <br /> system,liver,kidneys, and skin. Acute exposure effects <br /> include fatigue, dizziness, headache, euphoria, dilated <br /> pupils,paralysis. The PEL for toluenz is 200 ppm. <br /> Ethyl Benzene: Ethyl benzene is a colorless liquid with an aromatic <br /> odor. It has a relatively low volatility (vapor pressure <br /> 7.1 mm Hg @ 68 °F) and may possibly be present in <br /> both the liquid and vapor state. The flash point of ethyl <br /> benzene is 59'F,classifying it as a flammable liquid. <br /> ~ Ethyl benzene can enter the body through all four routes <br /> of exposure: (1) inhalation; (2) absorption; (3) <br /> ingestion; and (4) injection. Target organs are the eys,= <br /> upper respiratory system, skin and central nervous t <br /> system. Acute exposure effects isrclude irritation of the <br /> eyes and mucous membranes, nose, and respiratory <br /> system, as well as headache, nausea, staggered gait, <br /> µ headache, dermatitis, narcosis, and coma. The PEL for <br /> ethyl benzene is 100 ppm. <br /> Xylene: <br /> Xylene is a colorless liquid with an aromatic odor. It is E <br /> generally found as a mixture of three isomers: ortho <br /> meta; and para-xylene. Xylene has a relatively low <br /> volatility (average isomer vapor pressure = 8 mm Hg @ <br /> 68 °F) and will likely be present in soils in both the <br /> liquid or vapor form. The flash point of para-xylene is <br /> w 81°F,classifying it as a flammable liquid. <br /> Xylene can enter the body through all four routes of <br /> exposure: (1) inhalation; (2) absorption; (3) ingestion; <br /> and (4) injection. Target organs are the central nervous <br /> system,eyes,gastrointestinal tract, blood, liver,kidneys, <br /> and skin. Acute exposure effects include dizziness, <br /> excitement, drowsiness,incoordination, abdominal pain, <br /> ,. vomiting, and irritation rf the eyes, nose, and throat. <br /> The PEL for xylene is 100 ppm. <br /> I <br /> an <br /> i <br /> amt <br /> t <br /> w 7„4 f <br /> -W, <br />