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13) Calculate the hydraulic gradient and the groundwater flow direction using the field <br /> data. <br /> 14) Purge each well of standing water to stabilize pH, temperature and conductivity. <br /> Collect a single water sample from all monitoring wells on-site using a disposable <br /> bailer. <br /> 15) Place purge water in DOT drums and store on-site pending-analytical results. <br /> Ib) Transport water samples in chilled container under chain-of-custody to a state- <br /> certified laboratory. <br /> 17) Analyze water samples for TPH as gasoline and BTE&X in accordance with EPA <br /> methods 8015m and 602, respectively. <br /> 18) Prepare a report summarizing the results of the above investigation. <br /> The opportunity to prepare this work plan is greatly appreciated. Please contact our office <br /> if you have any questions. <br /> Sincerely, <br /> GEOLOGICAL AUDIT SERVICES, INC. <br /> Bob Marty <br /> Project Manager �J <br /> 0-1.j-1 A.&SiIna <br /> an. 5.1mi, A <br />