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Table 3. Analytical Results <br /> ARCO Facility 2093,Tracy, California <br /> Monitoring well <br /> number and Concentrations in u /l <br /> date sampled Benzene Toluene Eth (benzene Xylenes TPH-G(a) <br /> 10/27/93 <0 5 <0 5 <0 5 <0 5 <50 <br /> 2118194 04 05 <03 <05 <10 <br /> 5/20/94 <0 3 <0 3 <0 3 <0 5 <10 <br /> 1017194(g) -- -- --12/16/94(g) -- -- -- -- <br /> 02/28/95 (g) <br /> 4/26/95(g) -- -- -- -- -- <br /> SMW-1 <br /> 1017/94 250 110 <0 5 360 2200 <br /> 12/16/94 740 210 330 600 5200 <br /> 2/28/95 1000 330 450 790 8300 <br /> 4/26/95 470 110 270 480 5100 <br /> (a)Total petroleum hydrocarbons as gasoline <br /> (b)Well could not be located due to recent parking lot repaving <br /> (c) Not sampled due to presence of free product <br /> (d)Raised method reporting limit due to high analyte concentration requinng sample dilution <br /> (e)The chromatogram does not match the typical gasoline fingerprint <br /> (f)Not sampled Well was inaccessible,due to on-site construction activities <br /> (g) Unable to open well box lid <br /> Note dashes indicate not analyzed or not taken <br />