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Table 3. Analytical Results <br /> y ARCO Station 434, Lodi, California (cont'd) <br /> . Monitoring well <br /> number Concentrations in uoll <br /> and date sampled Benzene Toluene Eth (benzene Xylenes TPH-G (a) <br /> 7/24/91 6 9 <0 5 <0 5 <0 5 90 <br /> 10/23/91 25 <0 5 <0 5 <0 5 100 <br /> 2/10/92 12 <0 5 <0 5 <0 5 95 <br /> 5/12/92 48 <0 5 <0 5 <0 5 170 <br /> 8118/92 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 /> 5/26/93 <0 5 <0 5 <0 5 <0 5 <50 <br /> 8/23/93 <0 5 <0 5 <0 5 <0 5 <50 <br /> 11/16/93 <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 /> (a)Total petroleum hydrocarbons as gasoline <br /> (b) Well obstructed <br /> (c) Raised MRI,due to high analyte concentration requiring sample dilution <br /> (d) Well dry <br /> (e) Raised MRL due to matrix cntc,rferena. <br /> (f) Well inaccessible <br /> (g) insufficient water for well s,unpling <br /> Note Dash indicates not measured or andlyzed Bold simples analyzed this quarter <br />