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S <br /> The currently established TLV for Benzene is 10 ppm in air.. However, the American <br /> Conference of Governmental Hygienists (ACGIH) has recommended a TLV of 1 ppm be <br /> adopted. <br /> Toluene . <br /> This material is a flammable, colorless liquid, with a benzol-like odor. The flash point is listed <br /> at 40 degrees Fahrenheit. The currently established TLV is 100 ppm in air. <br /> Ethylbenzene <br /> Ethylbenzene is a flammable; colorless liquid with an aromatic odor. The flash point is <br /> 59 degrees Fahrenheit, and the currently established TLV is 100 ppm in air. <br /> Xylene Compounds <br /> These materials are clear liquids with a flash point of 100 degrees Fahrenheit. The TLV is <br /> currently established at 100 ppm in air. Xylene compounds are currently under study as <br /> possible carcinogens. <br /> Organic Lead (Tetraethyllead)Lead (Tetraethyllead) <br /> A poison, and a solvent for fatty materials. Tetraethyllead was used as a gasoline additive to <br /> prevent knocking in motors (leaded gasoline contains 1.1 grams of lead per gallon). It is a <br /> colorless liquid, with a flash point of 2000F. The currently,established PEL is 0.075 mg/m3 <br /> (approximately 60 parts per billion [ppb]) in air. It is insoluble in water, but soluble in <br /> benzene. <br /> It is not anticipated that the potential levels of exposure will reach personal exposure limit <br /> (PEL) or threshold limit value (TLV) limits, but this is based solely oriflimited available <br /> specific information. It is expected that inhalation and dermal contact will be the potential <br /> exposure pathways of concern. <br /> 9110081A/SSP 4 'Deceniber22, 1997 <br /> i <br /> t <br />