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L <br /> 1 I <br /> i i 1 <br /> Groundwater samples will be collected at approximately 46 feet bgs (first encountered water). ! <br /> Becauseprevious investigations indicated that petroleum hydrocarbons were detected up to a ! <br /> maximum depth of 38.5 ft bgs and deeper samples up to a depth of 45.5 ft bgs were below <br /> laboratory method detection limits, soil andsam roundwater les will not be collected below the <br /> g P <br /> �Jfirst encountered water. <br /> Grabsam les roundwater will e <br /> g p b collected at approximately 46 feet bgs (first encountered <br /> ,water) by'Jowering a bailer into the temporarily cased boreholes with a screened or exposed basal <br /> section at4his depth. <br /> All soil cuttings and decontamination water from sampling activities will be placed in 55-gallon <br /> `drums and temporarily stored on site pending analysis and disposal. <br /> 3.4 SOIL AND GROUNDWATER ANALYSIS <br /> y ' <br /> Soil and groundwater samples will be analyzed by a state-certified laboratory for TPH-g, BTEX, <br /> and MTBE using EPA Method 8015/8020, and MTBE and other oxygenates using EPA Method <br /> t® 8260. <br /> 3.5 DATA EVALUATION AND REPORT PREPARATION <br /> A report pesenting the results of the investigation will be submitted. <br /> ii <br /> i <br /> it <br /> E' 1 <br /> r �o,z�.�rv9s.a.osrvr.wra 8 <br /> L h <br />