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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 Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene benzene (totals MtBE DO
<br /> Number Sampled (ft,MSL) (ft,TOC) (ft) (ft,MSL) Change(ft) (11011) (ug/1) (ugli) (ugfl) (ug") (ugti) (mglL)
<br /> E-10 2112/1991 17.47 - -16.21 0.31 7,800 1,100 730 320 3,600 - -
<br /> (cont.) 2125!1991 17,41 - -16.15 0.06 - - - - _ _
<br /> 4123/1991 16,56 - -15.30 0.85 8,200 670 180 200 750 - -
<br /> 7N6791 1911, - AT66 -2.55 9,400 650 230 210 1,100 » -
<br /> 101611991 19.60 - -16,34 -0.49 8,700 860 150 260 820 -
<br /> 112211992 18.24 - -16,96 1.36 32,000 3,200 800 3,600 3,600 » --
<br /> 412211992 17.14 - -15,86 1.10 26,000 2,800 1,300 660 3,400 --
<br /> 712911992 18.62 - -17.36 -1.48 42,000 3,400 1,100 1,4D0 6,400 --
<br /> 10/2911992 18.99 - -17.73 -0.37 25,000 3,600 700 1,2D0 4,000 - -
<br /> 112711993 15.77 - -14.51 3.22 31,000 2,500 540 1,100 3,100 - -
<br /> 412911993 13-96 - -12.70 1,81 26.000 2,500 640 1,400 4,400 - -
<br /> 815/1993 15-52 - -14.26 -1.56 32,000 3,300 630 1,700 5,700 - -
<br /> 1111011993 15.85 - -14.59 -0.33 31,000 2,600 290 1,500 4,400 - --
<br /> 3/21/1994 15.29 - -14.03 0.56 28,000 2,900 290 1,700 4,500 - --
<br /> 6/27/1994 15.10 - -13.84 D.19 25,000 3.000 180 1,900 4,100 - -
<br /> 9729/1994 16.11 •• -14.85 -1.01 27,700 3.200 150 1,780 2,900 - -
<br /> 12/811994 15.71 - -14.45 0.40 181000 3,300 110 1,700 3,000 - -
<br /> 31611995 13.26 - -12.02 2.43 36,ODO 2,100 260 1,800 4,000 - -
<br /> 611195" 14.49 2.74 -11.18 0.84 - - -
<br /> 9111795^ 15.01 1.31 -12.77 -1.59
<br /> 1215795" 14.64 0.37 -13.10 -0,34
<br /> 311871996 9,55 - -8,29 4.81 370.000 7,300 2,200 9,900 62,000 - -
<br /> 611811996 8,87 - -7.61 0.68 400,000 390 3,600 2,ODO 16,000 6,200 -
<br /> .
<br /> 12511996 12.58 - •11.32 -3.71 28,000 2,100 3,900 600 5,100 16,000 -
<br /> 12/ 411996 12.05 •10.79 0.53 55,000 3,600 3,990 1,300 9,800 27,000
<br /> 3/1911997 P 7.37 -6.11 4.68 1,600 39 4.3 5.2 48 1,100 0.1
<br /> 67511997 NP 8.97 - -7.71 -1.60 100 2.8 <0.5 <0.5 2.0 51 0.1
<br /> 811911997 NP 10,43 - •9.17 -1.46 750 18 3.0 3,6 19 1,900 0.1
<br /> 11125/1997 -NP 1161 - -10,35 -1.18 10,000 1,000 320 200 1,400 46,000 -
<br /> 312011998 P 4.65 - -3.39 6.96 7,300 2,000 68 350 260 32,000 5.5
<br /> 612411998 P 6.66 - -5.40 -2.01 15,000 110 130 120 660 19,000 1,0
<br /> 9110/1998 NP 8.32 - -7.06 -1.66 196 6.86 1.18 1.23 6.17 1.870 -
<br /> 12/1711998 NP 8.42 - -7.16 -0.10 5,020 1,230 51,6 239 313 17,600 -
<br /> 371D11999 P 6.21 - -1.95 2.21 1,620 235 14,2 71.9 85.9 3,980 8,2
<br /> 612211999 NP 8.77 - -7.51 -2.56 160 7,07 0.885 <0.5 <0.5 89.3 3,3
<br /> 9113/1999 NP 9.81 - 43.55 -1.04 128 9.31 <0.5D <0,50 1.23 299 11.8
<br /> 1211611999 NP 9.45 - -8.19 0,36 10,800 2,290 6D.7 433 515 17,800 1.4
<br /> 312312000 P 4.78 -- -3.52 4,67 1,520 161 <10.0 45.5 21.2 3,310 1.7
<br /> 672112000 P 7.04 -- -5.78 -2.26 3,770 43.4 36.7 56,0 286 429 0.06
<br /> 911312000 NP 8.79 -- •7,53 -1.75 1,130 155 6.62 10.6 47.0 1,030 1.85
<br /> 1211512000 P 8-25 - -6.99 0.54 18,200 1,44D 82.4 245 424 10,700 0.70
<br /> 31212001 P 6.19 sheen -4.93 2.06 6,63D 1,770 <50,0 131 22B 19,600 -
<br /> 571012001 P 6.62 - -5.36 -0,43 4,500 87.9 22.9 72.1 354 2,750 -
<br /> 8/2272001 P 9,05 - -7.79 •2.43 6,80D 810 250 360 1,500 13,000 -
<br /> 121672001 p 8,48 - -7.22 0.57 11,000` 2,400 110 580 600 37,000 6.76
<br /> 3/1212002 P 6.47 - -5,21 2.01 <20.000 610 <200 <200 450 44,000 0.86
<br /> 61612002 P 7.35 - -6.09 47.88 8,400' 200 60 <50 <50 14,000 0.22
<br /> 912412002 P 9,10 - -7.84 -1.75 570"' 5.8 <2,5 <2.5 <2.5 780 0.11
<br /> 1271712DO2 P 7,97 -- -6-71 1.13 12,000 620 68 160 <20 8,5DO -
<br /> 311872003 P 7.45 - -6.19 0.52 1,100 6.5 <6.0 <5.0 <5.0 1,3DO 1.08
<br /> 6117/2003 P 7.49 - -0.23 -O.D4 170 3.7 <1.0 1.5 3.5 29D 0,10
<br /> 9124103 a P 9.25 - -7.99 -1.76 6,200 240 110 300 1,300 1,500 1.01
<br /> 12118!2003 P 8-89 - •7.63 0.36 3,300 78 17 54 220 1,100 --
<br /> 311712004 P 6.64 - -5.38 2.25 11300 <10 <1D <10 <10 770 --
<br /> B722120D4 8.54 - -7.28 -1.90 1,600 21 9 34 160 280 -
<br /> 912112004 8.62 - 43.38 -1.08 14,000 470 62 330 1,300 3,000 --
<br /> 1:1Projecls/AR C0721331Ta bl a slgwta ble s2133.xl s
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