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. r y <br /> M-0: <br /> x -v4 a rte- .., -�'+ ',rpa +"W,r"" . x *kasY '. ,e - "f -,~* .F• •f. <br /> Table 1. Analytical Results of Groundwater Samples Collected at <br /> 1r ARCO Station 2133, Stockton,California (continued) <br /> Aromatic volatile organics(BETS),µg/l <br /> Total petroleum <br /> Well Date hydrocarbons, <br /> number sampled Benzene Elhylbenzene Toluene Xylenes C-4 to C-12,994 <br /> E-10 8/26/88 -- -- -- "- <br /> 11/28/88 2,780 690 5.240 3,579 -- <br /> 2/27/89 2,970 750 3,020 5.030 -- <br /> 5/20,189 5,520 1,060 5,760 6,900 -- <br /> 8/22189 2,590 570 3,220 5200 -- <br /> 12/4/89 1,300 400 1,200 3,200 -- <br /> 3/8/90 339 268 606 1,480 -- <br /> 6/19/90 3,510 790 3,180 6,490 -- <br /> 9119190 36 c50 39 7,700 20,000 <br /> E-11 8/26188 -- -- -- -- <br /> 11/28/88 440 110 380 460 -- <br /> 2127189 400 120 250 820 -- <br /> 5/30189 437 97 162 281 -- <br /> 8/22/89 160 38 36 220 -- <br /> 12/4/89 240 38 26 290 -- <br /> 38190 80.1 75.6 31.3 242 -- i <br /> 6/18/90 135 20 16.6 t l l -- <br /> 9119190 90 14 8.2 110 680 <br /> E-12 8/26188 -- -- -- -- <br /> 11/28/88 80.0 S.0 30.0 35.0 -- <br /> 2/2789 121 2.2 3.4 36 -- <br /> 5/30/89 38.4 1.5 1.9 13.1 -- <br /> 8/22/89 150 2.3 2.2 11.6 <br /> 12/4/89 250 <0.3 54 91 -- <br /> 3/8/90 91.7 3.0 16.4 14.5 -- <br /> 6118/90 I51 2.9 4.7 7.6 -- <br /> 9/13/301 180 9.8 2.9 32 1,100 <br /> aDepartment of Health Services(DHS)Maximum Contaminant Levels(MCLS). 1989. <br /> bDepartment of Health Services (DHS)Action Level (MCL not establis:Yed for toluene). <br /> cNot analyzed for total petroleum hydrocarbons. <br /> j <br /> lliilffllmi 6: ill Al I, ill I I <br /> i <br />