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M » <br /> ;7 <br /> Y` <br /> -140 <br /> Table I <br /> summary of Results of Ground Water 5umPll" <br /> Former Mobil Service Station <br /> tat.onalofornia <br /> 2375 Tracy Boulevard, <br /> Concentrations in Parts Per billion (Ppb) . ---¢s......_.sa <br /> ....=....rs:::._===.i.a.r. x LAO <br /> GROUND TPH-G <br /> WELL s DATE^0F CASING DEPTH WATER w,r <br /> ID .AMPLING/ L(EVATIGN TOWA,ER (ft) EL sATIONrp..�...............r... • ....r.......,.,..........4......e"SAL <br /> MONITORING ( tr )W r....,........... 0.7 2.9 --^4.2 NA <br /> ND( 0.6 --- <br /> ND(0.3 SAL <br /> AMW-4 05/10/90 ^24.41 4.83 19.58 ND(50 ND(0.3 NDC6.3 NO(O.3 NO(0.3 SAL <br /> AMW-4 00/27/90 A 88 19.53 a ND(o.3 P(D(0.3 Nb(0.3 <br /> 11/05/90 24.41 20.33 ND( +0 _ __ _ <br /> AMW-4 4.09 - _ - <br /> _a.41 _ _ <br /> AMW---------------------- <br /> -4 -- ---^-- __- <br /> EXPLANATION TO ABURCVIATIONS:^ -^ ^ :Not Analyzed/Not Measured <br /> AVailabl <br /> NA :Not APPlicabla/Not eJ <br /> TPH-G :Total Petroleum HYdrocarbuns as Gasalinrs NO :Not Detected <br /> (EPA method ©015 modified) Al ;Anametrix Inc. <br /> :Bcnxene (EPA method 80-'0 or 6240) <br /> B q method 9020 or 9240) SAL :Superior Analytical Lab <br /> T :ToluOne (EP <br /> E <br /> :Ethylbenzene (EPA method 8020 or 8740) <br /> 824D <br /> X :Xylenes (EPA method 8020 or <br /> NOTES: <br /> Depth to WZ ter measured xrom toP of w,11 casino tin feet). <br /> tf Tracy bench mark at the intersection of <br /> 1 <br /> 2. >s � Top Of ca3ing column wasanteLine RoadCi Y a <br /> to the <br /> TraCY 13vuleverd and G( ----- <br /> 3. pq = Frse PrOdurt. ^^_ <br /> r <br /> f'a9F b <br /> 19-APV-91 <br />