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1 xp � •� <br /> oa <br /> Chevrou U.S.A. - Page 5 <br /> vA <br /> The proposed scope of services will include the following tasks: <br /> o Research and review of pertinent, readily available geologic and hydrologic <br /> literature, and previous investigations at the subject property; <br /> o obtaining required permits prior to the commencement of the field portion of <br /> the additional investigation; <br /> o Drilling and sampling of subsoils for chemical analysis. <br /> o Installation, development and sampling of additional ground water monitoring <br /> wells at and in the vicinity of the subject property to obtain ground water <br /> samples for chemical analysis; <br /> o Re-development, and sampling of existing ground water monitoring wells at <br /> the subject property; <br /> o Re-assessment of ground water gradient and direction of flow; <br /> o In-situ hydraulic testing of aquifer materials; <br /> o Chemical analysis of subsoil and ground water samples to detect the presence <br /> and concentration of petroleum constituents. <br /> o Preparing a report to present our findings, conclusions and recommendations. j <br /> --�o L.2 A av`d --RLJQ cr3_ <br /> 4.0 TECHNICAL APPROACH <br /> Based upon the information provided to this office by Chevron, review of <br /> previous investigation and history of the subject property, and a cursory reviev <br /> of available published ground water data, the following ijop(;;ed work plan has <br /> been developed to help evaluate lateral migration of petr:,'.eir.i hydrocarbons <br /> contamination in ground water and aquifer characteristics at the subject <br /> property. <br /> r <br /> 4.1 York Plan <br /> In order to accomplish the goals established for the purpose and scope of <br /> this investigation, the following work items: <br /> DAMES s MOORr. <br />