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_ <br /> x <br /> 'Y <br /> 3 <br /> ' 9 <br /> f_ <br /> - Fh <br /> ! pAE•TANKpBgACEMENT57TEAs5E55MENT <br /> 1 may} S.fl p�O,Stockton.WfOMIA - <br /> ....r papa <br /> g 4 n 4T:TROYIT3CTIQN <br /> re-tam replacement site <br /> resents the results of the P enc. (Aegis) at the <br /> This report p is Environmental, <br /> assessment perf°rmed by Aeg The site is located at 160 SCounty, <br /> Exxon Service stationthe O City of Stockton, San Joaquin <br /> Dorado Avenue, in <br /> California (Figure 1} . <br /> of the site b <br /> assessment was to: <br /> The purpose drogeologic <br /> Preliminarily characterize the site geologic and y <br /> 5 <br /> O <br /> conditions; the soil <br /> Identify if petroleum hydrocarbons are <br /> pre-sent in <br /> (UST) <br /> t ° the existing underground fuel storage <br /> i fes.: beneath <br /> basin; and <br /> r� round water <br /> Evaluate the possible need carbonsrines Oil gent and/or <br /> o Eval ation of petroleum hydro <br /> mitig <br /> beneath the site. <br /> '3 u* 1 LQ00 " <br /> e °f work is.sumanarized below. ' <br /> ij The scop survey was performed by <br /> i� Radar (GPR) California <br /> o' A Ground. .pensical�Consultants;. Inc.. Of Petaluma, <br /> NORCAL .Geophy The urvey.was .performed in the area of. <br /> i <br /> on 5' 1991. provide 9 information regarding <br /> ,.. <br /> the exce <br /> isting 'UST basin .and <br /> ons of existing underground faciliort isoincluded nas <br /> S <br /> locations <br /> A copy of NORCAL s rep <br /> during <br /> Appendix D. 1990,. at an angle <br /> Pd UST basin. The <br /> r� o <br /> .-Two,soil borings:;were driacen oto�the eex sting A <br /> 'may of`30' from•.verbioal, adj gn_dfameter hollow-stem augwith a <br /> borings were advanced using a total depth of 61' <br /> 1 of b0 feet .of auger was st achieving each boring+ <br /> totevertical depth <br /> final sample drive of 1 angle aThe actual <br /> feet along,` the 30� was aPPoximately 53 feet below <br /> Penetrated by the Barings <br /> ! !y' existing grade. <br />