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i <br /> � I <br /> �. 4 <br /> Site Safety Plan ,� July 27, 1992 <br /> A & M Market, Acampo, California QEC 92-120-2.SAF <br /> 4 <br /> 1 <br /> C. Storage <br /> 1. place the respirator in its storage box in a heat- sealed or resealable plastic bag. <br /> Store flat, with the face piece and exhalation valve in an approximately normal <br /> position, to prevent the face seal from taki I g a permanent "set;" <br /> 2. replacement components should be stored in sealed packages in a cool, clean, <br /> low-humidity location until ready for use. ' <br /> WORK ZONES AND SECURITY MEASURES <br /> The Project Manager will call Underground Services Aldrt (USA) and the utilities will be <br /> marked before any excavation is conducted onsite. Quo' um assumes no responsibility for <br /> utilities not so located. <br /> I <br /> The area around the tank cavity will be designated as an Exclusion Zone. Only essential <br /> personnel will be allowed into the Exclusion Zone. Cones, wooden barricades, or a suitable <br /> alternative will be used to deny public access to the Exclusion Zone. The general public will <br /> not be allowed close to the work area under any conditions. If for any reason the safety of <br /> a member of the public (e.g., motorist or pedestrian) may be endangered, work will cease <br /> until the situation is remedied. Cones and warning signs will be used when necessary to <br /> redirect motorists or pedestrians. <br /> i <br /> EXPOSURE MONITORING PLAN ' <br /> It is not anticipated that project personnel exposure will lexceed the TLVs or PELs of the <br /> materials; however, proper personal protective equipment4will be worn while working at the <br /> site. In addition, the work area will monitored using a photoionization detector (PID) to <br /> detect the concentration of the volatile hydrocarbons in the ambient atmosphere. <br /> If the lowest TLV or PEL is consistently being exceed��d 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 /> i <br /> POSSIBLE EXPLOSIVE ATMOSPHERES 'I <br /> Gasoline has a flammable range from approximately 1.4 to 7.6 percent in air. One percent <br /> in air is equivalent to 10,000 ppm; thus the lower explosive limit (LEL) is 14,000 ppm. <br /> Normally explosive levels may be reached in tanks, pits, or other confined spaces. Any area <br /> 'i <br /> 4 <br /> 11 <br /> i <br /> i <br /> �L <br />