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A'\ <br /> o Maintenance of personnel exposure monitoring <br /> records, <br /> o Assuring appropriate personal protective equipment <br /> is adequate for actual hazards of on-sits,conditions, <br /> o Assuring appropriate hazard areas are identified <br /> and marked, <br /> o Assuring all personnel entering hazard area are in <br /> appropriate levels of protection. <br /> 3.0 JOB HAZARD ANALYSIS <br /> i <br /> The possible major contaminants to be encountered on the project are <br /> Petroleum Hydrocarbons and Volatile Organic Compounds (VOCs). Currently, <br /> t there is no known air concentration data available for VOCs emissions in the <br /> direct breathing zone of personnel working around the exposed soils. <br /> Inhalation and dermal (absorption) hazards are the major area of concern, <br /> regarding the exposure to VOCs. Results of toxicological studies on animal <br /> exposure to pure concentrations of the VOCs that have been detected at the site <br /> J are detailed in 'Handbook of Toxic and Hazardous Chemicals", by M. Sittig <br /> (1981), and 'Dangerous Properties of Industrial Materials", by N. Irving Sax <br /> 4 (1984). An additional reference source used for the development of this Site <br /> Safety Plan is the 'Documentation of the Threshold Limit Values",published by <br /> the ACGIH(American Conference of Governmental Industrial Hygienists,Inc. <br /> In addition, there will be some risk of hazards based upon the Lower Explosive <br /> Limit (LEL) of the specific compounds encountered on the project site. As the <br /> majority of the petroleum fuel hydrocarbon materials have low flash points, it is <br /> important to measure the presence of the concentrations or amounts of vapor <br /> present. This will be accomplished using direct reading instruments and/or indi- <br /> cator tubes. <br /> Possible hazardous materials that may be encountered include waste oil and <br /> gasoline and its primary constituents; benzene, toluene, xylene and ethyl <br /> benzene. Descriptions of these materials are presented below. <br /> Gasolin <br /> r Gasoline has an appearance of a clear, aromatic,volatile liquid,and is a mixtureof aliphatic hydrocarbons. The flash point is listed at -50 degrees Fahrenheit, <br /> and it has an LEL(Lower Explosive Limit)of approximately 1.3 percent. <br /> 3100101/SSP.00w 3 October 17,1990 <br />