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a c <br /> Problem Assessment Report llcc^tuber 5, 1989 <br /> USA Petroleum Station No. 65, Lodi, California <br /> AGS 87050-3 <br /> below the groundwater level or into a competent aquiterd and converted into ground- <br /> wafer monitoring wells. <br /> afet l'la <br /> Field work was performed at the site by Applied GeoSystems on behalf,of USA in <br /> i <br /> l accordance with Applied GeoSystems' Site Safety Plan No. $7050-35 (January 11. I989). <br /> e <br /> This plan describes the basicsafety requirements for the drilling project at the work site. <br /> The site safety plan is applicable to personnel of Applied GeoSystems and to our <br /> subcontractors. Personnel scheduled to work at the site were briefed on the contents of the <br /> t site safety plan before work began. A copy was kept at the work site and was available for <br /> F reference by appropriate parties at all times. Our staff geologist was the Site Safety Officer. r <br /> D ! 01 ectin and am !in Procedures for oil Sam les <br /> �F <br /> Prior to drilling, we contacted Underground Service Alert to delineate public utility lines <br /> I <br /> W at the site. We also hand-augered the borings to a depth of approximately S feet below <br /> grade to attempt to locate underground structures. <br /> r� <br /> In each drilling event, the soil borings were drilled using a Mobile'CME-55 drilling.rig <br /> rr equipped with 8-inch-diameter, continuous flight, hollow-stem augers. The drill rig was <br /> - <br /> 16 i <br /> z <br /> Stems <br /> f <br /> , <br />