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SITE HEALTH- & SAFETY PLAN <br /> 3.0 JOB HAZARD ANALYSIS <br /> The possible major contaminants to be encountered on the project are <br /> Petroleum Hydrocarbons and Volatile Organic Compounds (VOCs). <br /> There is currently no known air concentration data available for VOCs <br /> emissions in the direct breathing zone of personnel working around the <br /> piezometers or exposed soils. <br /> Inhalation and dermal (absorption) hazards are the major area of <br /> concern, regarding the exposure to VOCs. Results of` toxicological <br /> studies on animal exposure to pure concentrations .of the VOCs' that have <br /> been detected at the site are detailed in "Handbook of Toxic and <br /> Hazardous Chemicals", by M. Sittig (1981), and "Dangerous Properties of <br /> Industrial Materials", by N. Irving Sax (1984). An additional reference <br /> source used for the development of -.this Site Safety Plan is the <br /> "Documentation of the Threshold Limit Values", published by the ACGIH <br /> (American Conference of Governmental Industrial Hygienists, Inc. <br /> Gasoline <br /> Gasoline has an appearance of a clear, aromatic, volatile liquid, and is <br /> a mixture of. aliphatic hydrocarbons. The flash point is listed a -500F, <br /> and has an LEL (Lower Explosive Limit) of approximately 1.3%. <br /> The TLV for gasoline is listed as 300 ppm in air. <br /> i <br /> 8 I� <br /> I <br />