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Work will be suspended if combustible readings exceed <br />10% of i explosive limit (LEL). <br />A Photo -Ionization Detector (PID) or colorimetric <br />indicator tube sampler will be used to monitor <br />potentially harmful airborne concentrations of benzene, <br />toluene, xylenes and ethylbenzene. Should <br />concentrations exceed TLV's, protective measures <br />outlined in Section 6.0 will be implemented. <br />Simple precautions will reduce or eliminate physical and <br />chemical hazards associated with drilling, excavation, <br />site restoration, and system maintenance operations. <br />Precautions include using qualified trained personnel, <br />ensuring compliance with the SSP, ensuring proper <br />engineering controls, good housekeeping procedures, <br />utilizing proper protective equipment, and familiarity <br />with emergency response procedures. <br />To prevent injury from moving machinery, automobiles, fires <br />or other physical hazardous the following procedures will be <br />implemented: <br />1. Keep drill rig and mast at least 50 feet away from <br />overhead electrical power lines <br />2. Identify underground utilities prior to operation. <br />Shut down, lock out and tag power lines and pipelines, <br />as appropriate, particularly the power supply and <br />emergency "shut offs" for dispenser pumps and <br />associated delivery lines <br />3. Bond and ground drilling and excavating equipment <br />during all operations. Bond and ground handling and <br />transporting equipment during loading of soils and <br />during pumping and transfer of leachate <br />4. Maintain all equipment in proper working order and <br />inspect equipment prior to each use <br />5. Use spark resistant tools in areas where an ignition <br />source could start a fire <br />6. Clean up spills or deposits of oil or flammable, <br />combustible or hazardous liquids <br />0 <br />