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L <br /> Site Setup <br /> A safe perimeter will be established at the work site. Traffic control equipment and <br /> procedures will be used if necessary. The area will be restricted to required personnel <br /> only. No unauthorized personnel will be allowed within the safe perimeter. Control <br /> boundaries will be marked with caution tape if necessary to maintain the established safe <br /> perimeter. The on-site command post will be established at the Fugro West, Inc. vehicle <br /> on-site. <br /> i <br /> Hazard Evaluation <br /> Chemicals On-site. The following substance(s) suspected to be on site. The primary <br /> hazards of each are identified along with their concentrations, if known. <br /> Concentration (ppm) <br /> Substance Involved Primary Hazard Soil Groundwater <br /> Gasoline (in soil and Benzene 6.8 ppm 530 ppb <br /> ground water) Toluene 33 ppm 1,800 ppb <br /> Ethylbenzene 15 ppm 840 ppb <br /> Xylenes 50 ppm 2,200 ppb <br /> TPH 1000 ppm 26,000 ppb <br /> i <br /> Physical Hazards On-site. Normal physical hazards are present from drilling activities. <br /> Personnel are required to follow Fugro West, Inc.'s general health and safety plan, a copy <br /> of which is kept at Fugro West, Inc. <br /> General Safety Rules <br /> 1. There will be no eating, drinking or smoking within the safe perimeter set up. M <br /> 2. Fire extinguishers should be on site on or near Fugro West, Inc.'s vehicle. <br /> 3. A first aid kit is located at the ori-site command post, within the Fugro West, <br /> Inc. vehicle. <br /> Equipment <br /> Personal Protective Equipment. Based on the evaluation of potential hazards the level of <br /> protection deemed appropriate for this site is Level D. If organic vapor concentrations in <br /> the breathing zone exceed 50 ppmv, EPA level C personal protective equipment will be <br /> used. These concentrations are based on permissible exposure limits (PELs) and k <br /> threshold limit values (TLVs) of the various contaminants anticipated, with some <br /> consideration given to possible contaminants encountered in combination. <br /> L I <br />