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i <br /> I Task 3 Prepare Additional Investigation Report and <br /> �1 Update Site Conceptual Model i t <br /> An Additional Investigation Report documenting the work performed, laboratory analytical reports, <br /> evaluation of the,data collected, conclusions,And recommendations will be prepared. The report willEJ } <br /> include a well construction log of the new borings,lithological cross-sections,chemical iso-concentration i <br /> } maps for soil and groundwater,updated site map and analytical laboratory results of soil and groundwater <br /> } samples collected during the borehole investigation, f <br /> i t <br /> If you have any questions concerning the proposed scope of work or costs please contact the undersigned <br /> at(925)4603300. y <br /> Respectfully submitted, <br /> ATC ASSOCIATES IkC. i <br /> I � <br /> } <br /> ter Kolodner Scott Perkins <br /> i Project Manager Senior Project Manager <br /> ( I <br /> r r! <br /> David,A. Evans, P.G. <br /> I <br /> CA Professional Geologist No.8623 r <br /> i I <br /> Fk j <br /> 'ns ottAl.pPp`Op <br /> Irl ¢DANDA.EVANs i. - - g <br /> a <br /> - <br /> 9� <br /> II <br /> Attachments: <br /> Figure 1 -Proposed boring Location Map <br /> Regulatory Correspondence <br /> ��y�i Additional investigation Workplan. l . <br /> V .>.,.... 1M 0.: omkStop No,a37,SWAVDYS CA <br /> May 19,2009- <br /> vl � 4 <br />