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FAWALAFAM <br /> September 15, 1993 Working To Restore Nature <br /> Ruiz Grocery, 4491 W. Durham Ferry Road, Tracy, California <br /> and Health and Safety Coordinator or Branch Safety Officer and kept in the new employee's <br /> Safety Record <br /> WORD ZONES AND SECURITY MEASURES <br /> The Protect Manager will call Underground Services Alert (USA) and the utilities will be <br /> marked before any drilling is conducted onsite and the borings will be drilled at safe <br /> distances from the utilities The client will also be advised to have a representative onsite <br /> to advise us in selecting locations of borings with respect to utilities or underground <br /> structures RESNA industries assumes no responsibility for utilities not so located The <br /> first 5 feet will be hand augered before any drilling equipment is operated <br /> Each of the areas where the borings will be drilled will be designated as Exclusion Zones <br /> Only essential personnel will be allowed into an Exclusion Zone When it is practical and <br /> local topography allows, approximately 25 to 75 feet of space surrounding those Exclusion <br /> Zones will be designated as Contamination Reduction Zones. <br /> • Cones, wooden barricades, or a suitable alternative will be used to deny public access to <br /> these Contamination Reduction Zones The general public will not be allowed close to the <br /> work area under any conditions. If for any reason the safety of a member of the public <br /> (e g , motorist or pedestrian) may be endangered, work will cease until the situation is <br /> remedied Cones and warning signs will be used when necessary to redirect motorists or <br /> pedestrians. <br /> EXPOSURE MONITORING PLAN <br /> It is not anticipated that protect personnel exposure will exceed the TLVs or PELs of the <br /> materials, however, proper personal protective equipment will be worn while working at the <br /> site In addition, the work area will monitored using a direct-reading combustible gas <br /> analyzer or an organic vapor meter to detect the concentration of the volatile hydrocarbons <br /> in the ambient atmosphere <br /> If the lowest TLV or PEL is consistently being exceeded in the breathing zone, then a <br /> respirator must be worn If the concentration exceeds 1,000 parts per million (ppm), the use <br /> of a respirator is inappropriate and personnel must withdraw from the site <br /> 123015-1 13 <br />