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Table 3. Analytical Results,ARCO Station 2133, <br /> Stockton,California(cont'd) <br /> Monitoring well <br /> number Concentrations in u <br /> and date sampled Benzene Ethylbenzene Toluene Xylenes TPH-2L <br /> 4/23191 -- -- — — -- <br /> 7/16/91 <05 <05 <05 <05 <50 <br /> 10/9/91 — -- -- -- — <br /> 1122/92 -- — -- — — <br /> 4/22A32 <05 <0 5 <0.5 <0.5 <50 <br /> 712.9/92 <0.5 <0.5 <0.5 <0.5 <50 <br /> 10/29/92 <05 <05 <0.5 <OS <50 <br /> (a) TPH-G=TPH as gasoline <br /> (b)unknown hydrocarbon- most likely weathered gasoiuie <br /> (c) Raised reporting limit due to matrix interference <br /> (d) Raised reporting hrmt due to high analyte concentration requiring sample dilution <br /> Note. Dash indicates not measured or not analyzed. <br /> • <br />