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I� 5 <br /> I� <br /> I' <br /> I <br /> I: r <br /> � 111 <br /> Table 3. Analytical iResults for <br /> ARCO Facility 2093, Tracy, California <br /> 0 <br /> Monitoring well f <br /> number and Concentrations inµ <br /> i date sampled Benzene Toluene Eibenzene Xylenes TPH-G(a) <br /> th <br /> 10/7/94(i) -- -- -- -- -' <br /> i 12/16/94 (i) -- -- -- '- -- <br /> �. 2/28/95 (i) -- -- -- -_ <br /> 4 <br /> 4126195 (i) -- -- -- -- <br /> ° " 7127195(i) -- -- -- '- -- <br /> { <br /> 10/26/95 (i) -- -- -- "" <br /> { 2/12196 - <0.5 <0.5I <0.5 <0.5 <50 <br /> 4/18196 <0.5 <0.5 <0.5 <0.5 <50 y� <br /> 5MW-1 <br /> 1017194 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 /> f 4126195 470 110 270 480 5100 <br /> 7127195 410 42 360 630 7400 , <br /> 10/27/95 640 33 440 410 7600 <br /> 2112196 390 <0.5 220 98 3800 <br /> 411.8/96 60 <0.5 20 7.4 500 <br /> E, <br /> TEX-1 <br /> I; 10/26/95 <5 (e) <0.5 <0.5 <0.5 <350 (g) <br /> € <br /> 2/12/960) -- -- -- -- <br /> 4/18/96 <0.5 <0.5 <0.5 <0.5 <50 <br /> i (a)Total petroleum hydrocarbons as gasoline. <br /> I (b)Well could not be located due to recent parking lot repaving. <br /> (c)Well is on a semi-annual sampling schedule. j <br /> (d)Not Sampled due to presence of free product. ii <br /> (e)Raised method reporting limit due to high analyte concentration requiring sample dilution. <br /> (f)The chromatogram does not match the typical gasoline fingerprint. <br /> (g)Raised method reporting limit due to matrix interferences. <br /> ' (h)Not sampled. Well was inaccessible,due to on-site construction activities. <br /> (i) Unable to open well box lid. I' <br /> R' 0) Soil vapor extraction well-not sampled. <br /> Note dashes indicate not analyzed or sample not collected. i! <br /> f <br /> ' J <br /> 33151TABLES12093JiN6.XIS <br /> I <br /> JI - - <br />