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TQ Rcr,- CIES P.02 <br /> SEP-27-119`9.,5 08-52 FROM E LG 1 tai TECH SE.RVw I C ES 7 Sep r� 95 b:05 P.M <br /> r u7.7 R <br /> Eased on the 9 May 1995 sail smpI4 results,ERM does not <br /> reconund remedial action until further site dumcte imtion has been <br /> conducted. The following Scope of Work for additional site <br /> character=tfon is xeco=wi ded to provide sufficient data to adequately, <br /> evaluate site=diiions. <br /> SCCWE Old`WORK <br /> ERM proposes to conduct ad&tiorud soil sanipling to further define the <br /> vertical amid horizordel extent of potential soJU contaminatl= In <br /> additions the increasing pollutant conowt mdorts detected in soil samples <br /> collected f =borkigs advarvGed on 9 May,1995,may indicate a ground <br /> I waW south of cont mlimtim <br /> i <br /> The pxopo ed Scope of Work are brolcien down into three tasks as <br /> t�mr,tiariyt�d below. <br /> TaA x -Pm-Field Activities <br /> Under this task,ERM will develop and prepare a letter tom-at workplan, <br /> aoordinme with drillers,obtain underground utility clearance,obtain <br /> daing pe=ts through the San.Joaquin County Departamt of Health <br /> Services,and coordinate schedule and field activities with LYS Can and <br /> Hunter Container Corporation personnel. <br /> Task 2-Field Activi>tUs <br /> ERM recommends the use of the Geoprobe,or hydraulic push techrdque, <br /> to advance three soil,bonngs(GB-.3,GS4 and GB-6)as shown on Rigure <br /> 1. These soil bozfxW wM be advanced to a depth of 25 feet(expected <br /> depth to gerund water). Soil samples wM be collected at five foot <br /> int uvals suutin$at a depth of 75 feet. Samples will be analyzed for <br /> conc entre ons of volatile orpWc compounds(VOCs)using EPA Method <br /> $240,total petroleum hydxoo nbomtasoltne(TPH-G}via modified <br /> Celifoxxiie Method 5030,and total petroleum hydrorbm s-diesel UM- <br /> D)using modified Califomia Method SON. To evaluate if 5ro=d water <br /> has been impacted in this area,a"grab„ground water sample will be <br /> collected at:Gf-3 using the Hydmr-% nth technique. This ground water <br /> sample will be uolyzed.for VOCs by Method 8040,TPH-•G and TPH-A. <br /> A total al of rune soil samples and one gmund water sample will be <br /> collected for artalysis. <br /> A sCCfi��11+r�*p1J <br /> J2t+ewr+ceK,saagsrue:G,Oua .... <br />