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f <br /> r <br /> 30-0136 <br /> TABLE 2 <br /> Summary of Results of Soil Sampling <br /> Former Mobil Oil Bulk Plant <br /> 500 East Grantline Road, Tracy, California <br /> Concentrations in parts per million (ppm) <br /> eaxasssxaxxaaaaxazssazxxxsaasxssxsasmaxxsaaaxszxaaaxaxzasxxsxssa=mxsxaassxxxsaaxsaxxaaaxxsssaa=os=xcaaaxsaxaasamaaszszxzxzzzsaaaazxzsazx <br /> BORING DATE OF SAMPLE TPH-G TPH-D B T E X Pb TOC LAS <br /> NO. SAMPLING DEPTH <br /> (ft) <br /> xxzszasxxasa�axxsaasaxsszaexxxxsaersxssaaaxxz=Tzsxxssaaz=xsaxaxxsasaaacxxxzasaxxzxaanxxx�=assxaxsa=saaxxs:z:sxszsaaaaz=xsazsszsasaaasasx= <br /> B-14 04/03/92 7.5 - 8.0 ND<1.0 NO-0.0 NA<0.005 ND<0.005 ND<0.005 WD<o.005 ... --- sea <br /> 8-14 04/03/92 9.5 - 10.0 ND<1.0 ND<1.0 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ... --- SEQ <br /> B-15 04/03/92 7.5 - 8.0 NO<1.0 ND0.0 W<0.005 W<0.005 ND<0.005 ND<0.005 --- --- SEC <br /> 0-15 04/03/92 9.5 - 10.0 ND<1.0 ND<1.0 N04.005 ND4.005 ND<0.005 NO<0.005 --- -- SEQ <br /> EXPLANATION OF ABBREVIATIONS: <br /> TPH-D :total petroleum hydrocarbons quantified as diesel ND :not detected at or above method detection limit <br /> TPH-G :total petroleum hydrocarbons quantified as gasoline NA :not applicable/not available <br /> 8 :benzene --- :not analyzed/not measured <br /> T :toluene SEQ :Sequoia Analytical <br /> E :ethytbenzene Al :Anametrix, Inc. <br /> X :total xylenes CAL :Chromatab, Inc. <br /> Pb :organic teed <br /> TOC :total organic carbon <br /> Note: <br /> AW-1 and Ail-3 were installed in backfill material within the area previously excavated. Native soil was not encountered above the <br /> saturated zone. <br /> i <br /> I <br /> I <br /> 15-May-92 Page 2 of 2 <br />