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Table 3. Analytical Results <br /> ' ARCO Facility 434, Lodi, California <br /> Monitoring well <br /> number and Concentrations in ug/1 <br /> date sampled Benzene Toluene Eth lbenzene X lenes TPH-G(a) <br /> 5/12/92 <05 <0 5 <0 5 <0 5 80 <br /> 8/18/92 <05 <0 5 <0 5 <0 5 <50 <br /> 11/17/92 <0 7(e) <0 5 <0 5 <0 5 59 <br /> 2/23/93 <05 <0 5 <0 5 <0 5 <50 <br /> 5/26193 <05 <0 5 <0 5 <0 5 <50 <br /> 8/23/93 <05 <0 5 <0 5 <0 5 <50 <br /> 11/16/93 <0 5 <0 5 <0 5 <0 5 <50 <br /> 3/22194 <0 3 <0 3 <0 3 <0 5 <10 <br /> 6/23/94 <0 3 <0 3 <0 3 <0 5 <10 <br /> 9128/94 <0 5 <0 5 <0 5 <0 5 <50 <br /> 12/19/94 <0 5 <0 5 <0 5 <0 5 <50 <br /> 3/2/95 <0 5 <0.5 <0 5 <0.5 <50 <br /> W-12 <br /> 4/23190 <0 3 2 3 <0 3 0 9 - <br /> 10/04/90 <0 5 <0 5 <05 <0 5 - <br /> 2/2191 <0 5 <0 5 <0 5 <0 5 - <br /> 4/17/91 <0 5 <0 5 <0 5 <0 5 <50 <br /> 7124191 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 <05 95 <br /> 5112/92 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 /> 2122/93 <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 <05 <0 5 <0 5 <0 5 <50 <br /> 8/23/93 <05 <0 5 <0 5 <0 5 <50 <br /> 11/16/93 <05 <0 5 <05 <0 5 <50 <br /> 3/22194 <0 3 <0 3 <03 <0 5 <10 <br /> 6/23/94 <03 <0 3 <03 <0 5 <10 <br /> 9/28194 <05 <0 5 <05 <0 5 <50 <br /> 12/19/94 <05 <0 5 <05 <0 5 <50 <br /> 3/2/95 <05 <0.5 <05 <0 5 <50 <br /> (a)Total petroleum hydrocarbons as gasoline <br /> (b)Well obstructed <br /> (c)New well replaced in same borehole as former well W-2 <br /> (d)Well dry <br /> (e)Insufficient water for well sampling <br /> (f)Raised MRL due to high analyte concentration requiring sample dilution <br /> (g)Raised MRL due to matrix interference <br /> (h)Well could not be located by Emcon field personnel <br /> (i) Well inaccessible <br /> Note Dash indicates not measured or analyzed Bold samples analyzed this quarter <br />