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Table 3. Analytical Results,ARCO Station 2133, <br /> Stockton,California(cont'd) <br /> • Monitoring well <br /> number Concentrations m ugA <br /> and date sampled Benzene Ethyl nzene. Toluene Xylenes TPH-G a <br /> 5/30/89 -- -- — -- <br /> 8/22/89 <0 5 <05 <0 5 <05 -- <br /> 12/4/89 -- -- -- -- -- <br /> 1/4/90 -- — -- -- — <br /> 2/1/90 __ -- -- -- — <br /> 2/15/90 -- -- -- — <br /> 2/22/90 -- -- — — _ <br /> 3/8/90 <0 5 <0 5 <0 5 <0 5 -- <br /> 415/90 -- -- — -- <br /> 4/19/90 -- — -- -- — <br /> 5/10/90 -- -- -- -- — <br /> 5/24/90 -- -- <br /> 6/5/90 -- <br /> 6/18/90 -- -- — -- — <br /> 7/12190 -- -- -- — <br /> 8116190 -- -- -- -- <br /> 9/17/90 <0 5 <0 5 <0 5 <50 -- <br /> 2/11/91 <0 5 <0 5 <0 5 <0 5 <50 <br /> 2/25/91 — -- -- — — <br /> • 4/23/91 -- M <br /> 7116/91 <0.5 <0 5 <0 5 <05 <50 <br /> 10/9/91 <br /> 1/22/92 -- -- -- -- -- <br /> 4/22192 <0.5 <05 <05 <05 <50 <br /> (a) TPH-G=TPH as gasoline <br /> (b)unknown hydrocarbon-most likely weathered gasoline <br /> (c) Raised reporting limit due to matrix interference <br /> (d) Raked reporting lunit due to high analyte concentration requiring sample dilution <br /> Note Dash indicates not measured or not analyzed <br /> s <br />