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Inhalation and dermal (absorption) hazards are. the..major area of concern, regarding the <br /> exposure to VOCs. Results of toxicological studies on animal exposure to pure <br /> concentrations of the VOCs that have been detected at the site are detailed in Handbook of <br /> Toxic and Hazardous Chemicals, by M. Sittig (1981), and Dangerous Properties of <br /> Industrial Materials, by N. Irving Sax (1984). An additional reference source used for the <br /> development of this Site Safety Plan is the Documentation of the Threshold Limit Values, <br /> published by the ACGIH (American Conference of Governmental Industrial Hygienists, <br /> Inc.). <br /> Gasoline <br /> Gasoline has an appearance of a clear, aromatic, volatile liquid, and is a mixture of aliphatic <br /> hydrocarbons. The flash point is listed at -50 degrees Fahrenheit, and has an.LEL (Lower <br /> Explosive Limit) of approximately 1.3 percent. <br /> The TLV for gasoline is listed as 300 parts per million(ppm) in air. <br /> Diesel Fuel <br /> This material currently has no TLV specifically adopted by NIOSH. However, it has been <br /> listed as a suspected carcinogen, and is currently being tested for carcinogenicity. <br /> Benzene <br /> Benzene is a common constituent of gasoline and other petroleum product materials. It is a <br /> clear, colorless liquid, with a flash point_listed at 12 degrees Fahrenheit. <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 i ppm be <br /> adopted. <br /> Toluene <br /> This material is a flammable, colorless liquid, with a benzol-like odor. The flash point is <br /> listed at 40 degrees Fahrenheit. The currently established TLV is 100 ppm in air. <br /> 3 <br />