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Benzene: Colorless liquid with an aromatic odor. <br /> 40 Vapor pressure 75 mm Hg @ 68 'F <br /> Flash point 12 OF <br /> Hazard classification flammable liquid <br /> Permissable exposure limit (PEL) none <br /> Benzene is recognized by the National Institute of Occupational <br /> Safety and Health (NIOSH) as a potential human carcinogen. <br /> Benzene can enter the body through all four routes of exposure (1) <br /> inhalation, (2) adsorption; (3) ingestion; and (4) injection. Target <br /> organs are the blood, central nervous system, skin, bone marrow, <br /> eyes, and respiratory system Acute exposure effects include <br /> irritation of the eyes, nose, and respiratory system as well as <br /> headache, nausea, staggered gait, depression, and abdommunal pain. <br /> The chronic effect of over-exposure is the potential for cancer <br /> Toluene: Colorless liquid with an aromatic odor <br /> Vapor pressure 22 mm Hg @ 68 OF <br /> Flash point 40 OF <br /> Hazard classification flammable liquid <br /> Permissable exposure limit (PEL) 100 ppm <br /> Toluene can enter the body through all four routes of exposure- (1) <br /> inhalation, (2) adsorption, (3) ingestion; and (4) injection. Target <br /> organs are the central nervous system, liver, kidneys, and skin. <br /> Acute exposure effects include fatigue, dizziness, headache, <br /> euphoria, dilated pupils, paralysis. <br /> Ethylbenzene: Colorless liquid with an aromatic odor. <br /> Vapor pressure 7.1 mm Hg @ 68 OF <br /> Flash point 55 OF <br /> Hazard classification flammable liquid <br /> Permissable exposure limit (PEL) 100 ppm <br /> Ethylbenzene can enter the body through all four routes of <br /> exposure: (1) inhalation; (2) adsorption; (3) ingestion; and (4) <br /> injection. Target organs are the eyes, upper respiratory system, skin <br /> and central nervous system. Acute exposure effects include <br /> irritation of the eyes and mucous membranes, nose, and respiratory <br /> system as well as headache, nausea, staggered gait, headache, <br /> dermatitis, narcosis and coma. <br /> Xylenes: Colorless liquid with an aromatic odor <br /> Vapor pressure 8 mm Hg @ 68F <br /> Flash point 63° F to 81 OF <br /> Hazard classification flammable liquid <br /> Permissable exposure limit (PEL) 100 ppm <br /> 7-237 4 11/22/93 <br />