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AS A MIMI. <br /> i SidvbE'rFF^�s � J Eft O ' <br /> L <br /> .v. Ce3r1 uftants <br /> r <br /> ,`hr analytical result(, for the coil samples collected underneath the gasoline tanks are <br /> W„ <br /> presewk!k d in Table 1. <br /> One soil sample was collected underneath the waste oil tank and analyzed for BTEX, total <br /> lead, chlorinated hydrocarbons, and total extractable petroleum hydrocarbon (I'EPH), The <br /> results were below sche detection for benzene (5 ppb); toluene, etit Ibenzen_ aril tow <br /> tel <br /> xylenes(10 ppb'; total lead 4 m •chlorinate; hydrocarbons(5 ppm);and TEPII 1(i <br /> CPP )> ( PPm) <br /> - limits of the analyses. <br /> ?', In August 1991 VICC conducted a field investigation in two phases:"a subsurface soil <br /> investigation followed by a gro!indwater investigation. During the soil investigation, three <br /> soil borings vrere advanced around the gasoline tank excavation to a depth of 90 feet below t <br /> t1'.9 <br /> ground surface. Soil samples were collected as five foot intervals.and three samples from f <br /> . each boring were submitted to the Iaboratory for analysis based on visual observation of the <br /> ksoil conditions and the measured voiatila organiccompound concentration of the sample. <br /> The submitted samples we "analyzed for TPH gasoline by EPA method:8015, BTEX by <br /> -' EPA method 802015030, and total lead concentration by EPA method 7241.'The analytical. <br /> t <br /> . results for soil:samples collected from the borings is presented in Table 1. Monitoring wells <br /> weir installed in each of the three borings. Groundwatersaraeples collected froir►these wells <br /> were analyzed for total fuel petroleum hydrocarbon (TF1) gasoline by EPA method 5030, <br /> BTEX by EPA method 8020, and fecal coliform by Standard Method 9921. The analytical <br /> results for groundwater samples'collected from the wells is presented in Table 2. <br /> Elevated 'evels of T1'H (gasoline) were not encountered in the analyzed oil samples; <br /> collected during the subsur&ce soil investigation. The analytical results for these samples <br /> i <br /> r <br /> were below the detection limit of the analysis (0;5 mg/kg): No evidence of'TPH (gasoline) <br /> ' soil contamination was detected in the soil samples collected during this investigation in the <br /> area adjacent to the asoIisre tank excavation. Elevated <br /> a adjacent g levels of toluene and ethyl benzene -. <br /> were not encountered in the soil samples analyzed. The analytical results for these samples ' <br /> were below the detection limit of the,,> alysis (5;cg/kg for both toluene and ethyl benzene). <br /> Detectable levels of benzene were encountered in four of the nine samples anaiyzed. No <br /> elevated level of BTEX wasencountered in the soli sampI�;s collected just above the <br /> groundwater interface. <br /> � <br /> 41CO238U/MA7OX <br /> WRT.QRPT 02.20.92 !-a <br /> t _ _ i. <br />