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__ Y ,F- <br /> IM <br /> Problem Assessment Report December 5, 1989 <br /> USA Petroleum Station No. 65, Lodi, California AGS 87050-3 <br /> } <br /> TABLE G ` <br /> RESULTS OF' ,ABORATORY ANALYSES OF SOIL ANALYSES <br /> USA Station No. 65 <br /> 2500 West Lodi Avenue <br /> E <br /> Lodi, California <br /> Sample Sample Ethyl- Total <br /> Number Date TPH Benzene Toluene benzene Xylenes <br /> S-40-B4 01/17/89 <2.0 <0.05 <0.05 <0.q5 <O.DS <br /> S-40-B5 l8/89 <2.0 <0.05 <0.05 <0.05 <0.05 <br /> 5-46-B5 /23/89 <2.0 <0.05 <0.05 <0.05 <q,1 <br /> S-40 B?n 03/28/89 <2.0 <0.o5 <0.05 <0.05 <0.05 <br /> F1� k 01/19/89 <2.0 ;V.1 67 <0.05 <0.05 <br /> Results in parts per million (ppm) <br /> TPH = Total petroleum hydrocarbons <br /> < = Less than the detection limit for the analytical <br /> methods used <br /> Sample designation: <br /> ,., s-40-BI <br /> ---- Baring number <br /> . f sample depth in feet below ground surface <br /> i <br /> Soil sample <br /> s , <br /> Water <br /> e <br /> Chemical results of laboratory analyses for groundwater samples (Table 7) indicated <br /> hydrocarbon contamination was present in water samples from wells MW-1 through I19W- <br /> 1 4 and MW-b. The highes concentration of TPH as gasoline is <br /> proximately 0.$a pprn in <br /> well MW-2, lyhtonh.i,s (327 .r" - <br /> _ ; ppm <br /> Concentrations of toluene and ethylbeenzene are either below detection limits or no.higher. <br /> 25 <br /> Y. z <br />