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Table 3. Analytical Results <br /> ARCO Station 434, Lodi, California <br /> . Monitoring well <br /> number Concentrations in ugA <br /> and date sampled Benzene Toluene Eth lbenzene Xylenes TPH-G (a) <br /> W-12 <br /> 4/23/90 <0 3 2 3 <0 3 0 9 <br /> 10/04/90 <0 5 <0 5 <0 5 <0 5 - <br /> 2/2/91 <0 5 <0 5 <0 5 <0 5 - <br /> 4/17/91 <0 5 <0 5 <0 5 <0 5 <50 <br /> 7/24191 69 <0 5 <0 5 <0 5 90 <br /> 10/23/91 25 <0 5 <0 5 <0 5 100 <br /> 2110/92 12 <0 5 <0 5 <0 5 95 <br /> 5/12/92 48 <0 5 <0 5 <0 5 I70 <br /> 8/18/92 29 <0 5 <0 5 <0 5 180 <br /> 11/17/92 11 <0 5 <0 5 <0 5 <50 <br /> 2/22/93 <0 5 <0 5 <0 5 <0 5 <50 <br /> 4/23/93 <0 5 <0 5 <0 5 <0 5 <50 <br /> 5/26193 <0 5 <0 5 <0 5 <0 5 <50 <br /> 8/23/93 <0 5 <0 5 <0 5 <0 5, <50 <br /> 11116/93 <0 5 <0 5 <0 5 <0 5 <50 <br /> 3/22/94 <0 3 <0 3 <0 3 <0 5 <10 <br /> 6/23/94 <0 3 <0 3 <0 3 <0 5 <10 <br /> 9/28/94 <0 5 <0 5 <0 5 <0 5 <50 <br /> (a)7 oul petroleum hydrocarbons as gasoline <br /> (b) W01 obstructed <br /> (c) Raised MRL due to high analyte concentration requiring sample dilution <br /> (d) Well dry <br /> (e) Raised MRL due to matrix interference <br /> (f) Well inaccessible <br /> (g) Insufficient water for well sampling <br /> Note Dash indicates not measured or analyzed Bold samples analyzed this quarter <br />