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i <br /> I <br /> Following soil and groundwater sample collection, the borings will be backfilled with neat cement <br /> grout to the ground surface. All drill cuttings, if any, will be stored onsite in a 5-gallon container <br /> pending laboratory results. <br /> Sample Analysis <br /> Selected .samples will be immediately placed on ice .and delivered under chain-of-custody <br /> I documentation to GTEL Environmental Labs, a State-certified laboratory, for analysis. Samples <br /> will be analyzed for total.petroleum hydrocarbons as.gasoline (TPHg) using EPA Method 8015 <br />�t Modified, benzene, toluene, ethylbenzene, and xylenes (BTEX) using EPA Method 8020, and <br /> methyl tertiary butyl.ether(MTBE) using EPA Method 8020; and total lead. <br /> .e 4„ <br /> • _ r <br /> Report Preaaration r ' <br /> 5 i <br /> Upon completion of.all field activities; a summaryf report will be.prepared for submittal to <br /> PHS/EHD. Smith. Technology will prepare a report that will include a description of all field <br /> I activities, laboratory analytical results, boring logs,.and recommendations. <br /> All work described in this workplan will be performed under the direction of a California <br /> f Registered Professional Engineer., A completed Site Safety Plan (SSP) is contained in Attachment <br /> 1 and a Quality Control/Quality Assurance Plan is contained in Attachment 2. All field work will <br /> f be completed in accordance with these plans. <br /> I ' <br /> Proiected Schedule <br /> Once .approval of this workplan has been received, Smith Technology will schedule drilling <br /> activities. It is anticipated the drilling' will be completed in one day and drilling has been <br /> tentatively scheduled for August 19, 1997. Smith Technology will notify PHS/EHD at least 48 <br /> hours prior to beginning any field activities. The summary report will be submitted to PHS/EHD <br /> approximately four to five weeks after the completion of field activities. <br /> I <br /> I <br /> i <br /> wA97739Vepor0wkp.doc 3 <br />