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Table 2 <br /> Groundwater Elevation and Analytical Data(ARCO) <br /> ARCO Service Station#2133 <br /> 2908 West Benjamin Holt Drive <br /> Stockton,California ' <br /> i <br /> Well Depth Product Groundwater Groundwater Ethyl- Total <br /> Well Date Elevation to Water Thlcknesa Elevation Elevation TPHg Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled Notes (ft,M5L) (ft,TOC) (ft) (ft,MSL) Change(ft) (uglt) (u911) (ugll) (ugM (ugfl) (ug11) (mgfL) <br /> PR-2 9113/2000 NP 8.36 -7.71 0.25 <50 <0.5 <0.5 <0.5 <0.5 <2.5 1.29 <br /> (cont.) 12/1512000 7.85 - -7.20 0.51 _ _ _ _ _ - 1.43 <br /> 4 3/212001 P 5.73 - -5.08 2.12 <50.0 <0.500 <0.500 <0.500 1.10 e2.50 4.2 <br /> 511012001 5.83 - -5.18 -0.10 -- -- - - - __ 2.1 <br /> 812 212 0 0 1 P 8.84 -- -7.99 -2.81 <50 <0.50 <0.50 x0.50 <0.50 <2.5 - <br /> 121512DD1 7.71 •- -7.06 0.93 -- - - - - _ _ <br /> 3112!2002 P 6.12 -- -5.47 1.59 <50 <0.50 <0.50 <0.50 <0.50 <2.5 1.75 <br /> 616/2002 6.94 - -6.29 - -0.82 - - -- -- - __ 1.70 <br /> 912412002 P 8-80 - -8.15 -1.86 72- <0.50 <D,50 0.64 x0.50 82 1.75 <br /> 12/17/2002 6.84 -- -6.19 1.96 <br /> 311812003 P 6.86 -- -6.21 -0.02 <50 <0.50 <0.50 <0.50 <0.50 <2.5 1.18 <br /> 6117/2003 7.14 -- -6.49 -0.28 -- -- -- - - -- 1.10 <br /> 9124103 a P 8.96 - -8.31 -1.82 <50 <0.50 <0.50 <0.5D <0.50 <0.50 022 <br /> 12/1812003 8.28 -- -7.63 0.68 - - - -- -- _ - <br /> 311612004 P 5,92 -5.27 2.36 <50 <0.50 <0.50 x0.50 <0.50 <0.50 - <br /> 6/2212004 8.22 -- -7.57 •0.51 -- - - _ - <br /> 9/2112004 9.27 - -8.62 •3.15 <br /> 12126!2004 7,86 - -7.21 -0.92 <br /> 3!712005 5.15 1.50 3.65 <50 <0.50 <0.50 <0,50 <0.50 <0.50 - <br /> BHD-1 812611988 0.58 - -- - - -- 6,050 220 2,000 1,000 - - <br /> 11)2811988 -- - -- 1,870 <100 480 100 -- -- <br /> 2127l1989 <br /> 5/30/1989 -- - -- -- - 2.900 120 870 780 - - <br /> /22/1989 -- _ _ -- _ 1,450 300 890 1,170 - - <br /> 1214M989 - __ _ _ 1,400 170 1,600 2,800 <br /> 11411990 15.70 -- -15.12 <br /> 2/111990 15.42 - -14.84 <br /> 2/1511990 15.39 -- -14.81 -- <br /> 2f2211990 16.22 -- .15.64 -0.83 <br /> 3!811990 15.17 - •14.59 1.05 -- 1,250 50 1,870 1,360 - - <br /> 4/5/1990 15.38 - -14.60 -021 -- - _ _ _ <br /> 4119/1990 15.58 - -15.D0 -0,20 - - -- <br /> 5110/1990 15.92 -- -15.34 -6.34 _- <br /> 5124/1990 15.89 -- -15.31 0.03 <br /> 615/1990 _ -- __ _ <br /> 6118/1990 16,37 - -15.79 - 1180 40 2070 860 -- -- <br /> 711211990 18.60 - -16.02 -0.23 - - -- _ <br /> 811611990 17.89 -- -17.31 -1.29 <br /> 9/17/1990 17.24 - -16.66 D.65 <br /> 9/1811990 17.24 -16.66 0.00 2,000 110 9 30 650 -• -- <br /> 10l1111990 17.31 -16.73 -0.07 -- - _ „ _ _ _- <br /> 121611990 17.24 - -16.66 0.07 - _ _ „ _ <br /> 2111/1991 16.92 -- -15.34 0.32 6,000 890 60 1,000 360 <br /> 2125/1991 16.86 - -16.28 0.06 - -- - _ _ <br /> 412311991 15.99 - -15.41 0.87 3,300 240 4.8 440 130 <br /> 7116191 18.00 - -17.42 -2.01 7,000 420 420 400 830 <br /> 101811991 18.50 - -17.92 -0.50 3,000 220 <4.0 210 15 <br /> 1122/1992 17.12 -- -16.54 1.38 4,600 200 240 <10 260 <br /> 4/22/1992 16.39 - -15.81 0.73 3,000 130 6.7 200 120 -- <br /> 7/29l1992 f7.93 -17,35 -1,54 8,100 260 21 600 510 <br /> 1012911992 18.35 -- -17.77 -0.42 1,800 80 <2.5 110 17 <br /> 1/27/1993 15.27 - -14.69 3.08 6,700 270 19 790 300 <br /> 4129/1993 13.36 - -12.78 1.91 7,000 340 40 610 460 <br /> 8/511993 14.85 - -14.27 -1.49 10,000 280 31 930 950 <br /> 1111011993 15.23 - -14.65 -0.38 10,000 220 11 570 420 <br /> 3121/1994 14.36 - -13.78 0.87 8,600 83 14 480 360 <br /> 6127!1994 14.30 = -13.72 0.06 9,600 110 32 490 420 = _ <br /> 912911994 15.46 -14.68 -1.16 7,200 170 12 460 340 <br /> 121611994 14.99 -14.41 0.47 8,200 160 14 560 640 .. _ <br /> 31811995 12.81 -- -12.23 2.18 6,000 84 6.2 300 97 <br /> 611!1995 11.29 - -10.71 1.52 7,100 97 <5 370 250 <br /> I:1B P-ARC 0121335Ta b les4gwta bles2133.xis <br /> 18 of 24 <br />