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Table 2 <br /> Groundwater Elevation and Analytical Data(ARCO) <br /> ARCO Service Station#2133 <br /> • 2908 Benjamin Holt Drive <br /> Stockton,California <br /> Well Depth Product Groundwater Groundwater Ethyl- Xylenes <br /> Well Data Elevation to Water Thickness Elevation Elevation TPkg Benzene Toluene benzene (totals MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) M (ft,M$L) Change(ft) (ugn) lug") (ugn) (uGn) (ug/1) (ug11) fmglL) <br /> E-8 612112000 NP 6.91 - -5.94 -2.18 <50 <0.5 <0.5 <0.5 <0.5 Q.5 0.5 <br /> (cont) 911312000 NP 8.73 - -7.76 -1.82 <50 <0.5 <0.5 <0.5 <0.6 <2.5 1.42 <br /> t27152000 P 8.20 - -7.23 0.53 444 0.741 0.802 -0.500 -0.$00 2.67 0.60 <br /> 3/112001 NP 6.16 - -5.19 2.04 <50.0 <0.500 <0.500 -0.500 .0.500 2.61 3.1 <br /> 511012001 P 6.22 - -5.25 -OM 198 -0.500 0.772 0.608 1.52 <2,50 2.7 <br /> 8222001 P 8.97 - -8.00 -2.75 360 1.2 1.4 0.63 2.0 <2.5 - <br /> 12152001 P 8.15 - -7.18 0.82 280 1.1 -0.50 <0.50 0.71 4.8 1.12 <br /> 3/112002 P 6.40 - -5.43 1.75 77 -0.50 -0.50 -0.50 4.50 2.9 1.62 <br /> 6162002 P 7.31 - .6.34 -0,91 51 <0.50 -0.50 <0.50 <0.50 6.7 0.63 <br /> 92412002 Well Inaccessible;Roadway Repavad <br /> 1 2/1 712 00 2 Well Inaccessible;Well Paved Over <br /> 311812003 Well Inaccessible;Well Paved Over <br /> 6117/2003 Well Inaccessible;Well Paved Over <br /> 9124/2003 Well Inaccessible;Well Paved Over <br /> 1 211 8200 3 P 8.68 - -7.71 -1.37 60.00 <0.50 -0,50 <0 50 <0.50 2.5 -- <br /> 31172004 P 6.54 -- -5.57 2.14 67.00 <0.50 -0,50 <0 50 <0.50 2 -- <br /> 61222004 8.60 - -7.63 -2.06 - » _ -_ _ _ <br /> 9121120/14 9.69 - -8.72 -1.09 81 <0,50 -0.50 <0.50 <0,50 5.3 - <br /> E-9 82611988 1.56 - - -- - 4,700 4,900 1,400 5,100 - - <br /> 1112811988 - - - - 780 1.100 400 1,280 - - <br /> 2/2711989 - - _ .- 900 100 260 1,706 -- <br /> 5130l1989 - <br /> 8122/1989 - - -- - - 690 -500 5500 860 <br /> 1/41190 - .. - <br /> 174!1990 18.134 -15.08 <br /> 2/111990 16.44 - -14.88 0.20 <br /> 2/15/1990 16.39 - -14.83 0.05 <br /> 222/1990 16.27 - -14.71 0.12 <br /> 316!1990 16.19 - -14.83 0.08 - 490 70 360 1,440 - -- <br /> 415/1990 16.48 - -14.92 -0.29 - - - .- _ <br /> 411911990 16.49 - -14.93 -0.01 <br /> 511011990 16.86 -15.30 -0.37 <br /> 5124/1990 16.77 » -15.21 0.09 _- <br /> 6l511990 1670 - -15.14 0.07 _- <br /> 6118l1990 17.47 - -15,91 -0.77 <br /> 7/1211990 17.53 - -15.97 -0.06 - -- - -- _ <br /> 8/1611990 17.82 - -16.26 -0.29 <br /> 9/1711990 18.15 - -16.59 -0.33 <br /> 911911990 18.15 - -16.59 0.00 24,00D 130 140 8o 6,000 <br /> 1011111990 18.24 - -16.68 -0.09 - - - <br /> 121611990 18.11 - -16.55 0.13 -- - - _ _ _ -- <br /> 211211991 17.80 - -16.24 0.31 16,000 2,600 130 610 4,700 -- _ <br /> 2/2511991 18.76 - -17.20 -0.96 - - - - <br /> 4123/1991 16.89 - -15.33 1.87 - - - - <br /> 7/15/1991 dry - - - _ _ _ -- <br /> 10/671991 dry - - _ _ - „ <br /> 122/1992 18.24 - -16.68 - - - _ <br /> 4/22/1992 17.45 -15-89 0.79 3,600 170 10 50 120 <br /> 72911992 dry - - _ - - _ _ - <br /> 10129/1992 17.19 - -15,63 - 8,900 480 32 440 1,100 <br /> 12711993 16.10 - -14,54 1-09 12,000 390 25 310 730 _ <br /> 429/1993 14,19 - -12,63 1.91 12,000 270 <98 150 380 .. <br /> 8/511993 15,83 - -14.27 -1.64 16.000 370 22 220 460 _ <br /> 11/1011993 16,18 -- .14,62 .0.35 12,000 210 21 200 390 .. _ <br /> 3121/1994 15.51 - -13.95 067 6,300 170 24 200 320 .. _ <br /> 62711994 15.34 -13.78 0,17 10,000 780 18 660 980 _ <br /> 9/2911994 16.36 -14.80 -1.02 8,800 430 14 470 630 <br /> 12/811994 15.97 -14,41 D.39 7,800 450 20 610 810 <br /> 318/1995 13.54 - -11.98 2.43 81600 100 <20 230 260 <br /> 6/111995 12.02 - -10.46 1.52 24,000 550 38 870 2,900 <br /> I:1ProjectsfARCO21331fableslgwtables2133 xis <br /> 14 of 24 <br />