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• i i <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station No 5469 <br /> 130 S Wilson Way, Stockton, CA <br /> TOC Depth to Water Level Ethyl- Total <br /> Well Date PI Elevation Water Elevation GRO DRO Benzene ' Toluene benzene Xylenes MtBE DO <br /> Number k Sampled NP (feet msl) (feet bgs) (feet msi) (pglL) (pg/L) (µg/L) (pg1L) (!i9/L) (Ng/L) (µ9/L) (mglL) Comments <br /> MW-6 06/08/20051 P 1589 4230 2641 <25,000 <250 <250 <250 <250 18,000 13 <br /> 09/08/20051 P 1 1589 4265 2676 5,300 <50 <50 <50 <50 7,500 1 6 <br /> 12/08/20051 P 1 1589 4317 2728 <2,500 <25 <25 <25 <25 2 300 1 8 <br /> 02127/20061 -- f 15.89 41 73 -2584 1 - - - -- - - - - <br /> 03/06/2006 1 P 1 1589 4167 I -2578 I <5,00D - <50 <50 UJ <50 <50 5,700 20 <br /> MW-7 103/16/20051 P 1 1649 44 73— 2824 <50 <050 <0 50 <0 50 <0 50 <0 50 67 <br /> 106108/20051 P j 1649 4265 2616 <50 <0 50 <0 50 <0 50 <0 50 <0 50 73 <br /> 109/08/20051 P 1 1649 4337 2688 <50 <0 50 <0 50 <0 50 <0 50 <0 50 18 ! <br /> 12108120051 P ' 1649 4385 2736 <50 <0 50 <0 50 <0 50 <0 50 <0 50 94 <br /> 02/27/20061 -- 1 1649 4236 -2587 -- - - - - - - -- j <br /> 0310612006E P 1 1649 4232 -2583 <50 -- <050 <0 50 <0 50 <0 50 <0 50 6 7 { <br /> MW 8 03/16/20051 P 1646 4467 2821 27,000 600 <100 <100 <100 1 23,000 08 i <br /> 06/08/2005 P 1646 4295 -2649 <25,000 <250 <250 <250 <250 18,000 18 <br /> 09108/2005, P 1646 4330 2684 6,900 <50 <50 <50 <50 9,500 19 <br /> 12/08/2005 P 1646 4384 -2738 <5,000 <50 <50 <50 <50 4,100 1 9 <br /> 02127/2006 f -- 1646 4239 -2593 -- -- - - - .- - - <br /> 03/06/2006 l P 1646 4229 -2583 <5,000 - <50 <50 <50 <50 4,800 18 <br /> MW 9 03/16/20051 P ! 1621 44 65 -2844_ <50 _ <050 <0 50 <0 50 <0 50 054 64 <br /> 06/08/2005 EYP 1621 4226 -2605 <50 <050 <0 50 <0 50 <0 50 <0 50 6 0 I <br /> 09108/2005 P 1621 4340 2719 <50 <050 <0 50 <0 50 <0 50 <0 50 18 <br /> 1210$12005 P j 16 21 43 55 2734 <50 <050 <0 50 <I 0 50 <0 50 T1 6 6 0 <br /> 02/27/2006, 1621 4208 -2587 - -- _ - -- - �-. - <br /> 03/06/2006 1 P 1621 4233 -2612 <50 -- <0 50 <0 50 <0 50 <0 50 8 4 7 8 <br /> MW-10 03/16/2005 P ik 1640 44 60 -2820 90 11 <D 50 c0 50 <0 50 64 42 <br /> 06108/2005 P 1640 4280 -2640 <50 <050 <050 <0 50 <0 50 39 39 <br /> 09/08/2005 P 1 1640 4320 -2680 83 <050 <0 50 0 <0 50 <0 50 1 6 <br /> 12/08120051 P 1 1640 4375 -2735 <50 <0 50 <0 50 <0 50 <0 50 544 34 <br /> 02t27/20061 -- 1 1640 4223 -2583 - -- - -- <br /> 103106120061 P 1 1640 4215 -2575 <50 -- <050 <0 50 <D 50 <0 50 23 1 1 <br /> MW-11 02/2712006' - 15 b2 _41 34 1 -2572 -- - - - -- - -- _ ` <br /> —103/06120061 Pj 1562 4159 1 -2597 <50 -- <0 50 <0-5 0 c0 50 c0 50 41 27 <br /> Report Date April 25,2006 Page 2 of 3 <br />