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� = <br /> iy <br /> TANK CI.nSURF. RFPQRT <br /> �. 630 West Charter Way,Stockton,California <br /> Delta Project No.4048-586 <br /> - . Page 13 <br /> 5.0 CONCLUSIONS <br /> Visual observations and laboratory analyses of samples collected from the base of the former and new <br /> gasoline storage tank excavations revealed the presence of pegoicum constituents in soils in these areas. <br /> A wort: plan has been submitted to and approved by the SJLHD to conduct a hydrogeologic assessment <br /> at the site. The investigation is intended to determine the Iateral and vertical extant of petroleum <br /> constituents in soil and ground water. The results of this investigation will be presented in a subsequent <br /> report. <br /> 6.0 REMARKS/SIGNATURES <br /> The recommendations contained in this report represent r.str professional opinions,aad are bas. ,in part, <br /> on information supplied by the client. These opinions are based on currently available information and <br /> are arrived at in accordance with currently accepted hydrogeologic and engineering practices at this time <br /> and location. Other than this, no warranty is implied or intended. <br /> DELTA ENVIRONMENTAL CONSULTANTS,INC. <br /> This report was prepared by: E Date �t7 90 <br /> Erin Dougherty <br /> Geologist <br /> This report was reviewed by: NAX .r- Date <br /> ,.� Michael J. O'BrWi <br /> Hydrogeology Department Manager <br /> 4�. <br /> The work performed in this <br /> report vas done under the <br /> supervision of a Californiar� f <br /> Registered Geologist: Date ! 3r 9J <br /> Dale A. van Dam, R.G. #4632 <br /> V4 <br /> naw h0. 4632 <br /> ch <br /> OF CAL�� "' <br />