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<br /> TABLE 1
<br /> i
<br /> GROUNDWATER ELEVATION AND ANALYTICAL DATA
<br /> ARCO Service Station No. 548
<br /> 1612 Hammer Lane,Stockton,California
<br /> Well Elevation Static Top Elevation Groundwater Ethyl- Total
<br /> Sample of Top Water of of Flow TPHg Benzene Toluene benzene Xylenes MtBE[1]
<br /> Number Date of Casing Level Screen Groundwater Direction µ40 ;L0 µ0 µg11 µg/1 µg11 Observations
<br /> I
<br /> MW-1 (56) 2/15/95 10.36 41.19 48,51 -30.83 E 59 2.1 2.5 1.0 3.3 NA No FP,No S,No O
<br /> (56) 5112/95 10.36 39.33 -28.97 E 84 4.7 4.1 1.7 6.5 NA No PP,No S,Yes 0 j
<br /> (56) 8/29/95 10.36 40.89 -30.53 E 190 8.0 5.8 4.7 18 NA No FP,No S,Yes 0
<br /> (56) 12/4/95 10.36 39.53 -29.17 E 78 2.3 1.4 1.4 5.3 NA No FP,No S,Yes O
<br /> 2/2/96 10.36 37.57 -27.21 E 59 3.4 1.5 1.5 4.9 NA No FP,No S,No 0
<br /> (56) 5110196 10.36 35.04 -24.68 E 92 5.5 2.1 2.4 12 <3 No FP,No S,No 0
<br /> (56) 8/29/96 10.36 36.77 -26.41 E 100 4.2 1.4 3.2 12 <3 No FP,No S,No 0
<br /> (56) 11/20/96 10.36 35.75 -25.39 E 140 6.0 1.5 4.6 18 <3 No FP,No S,No 0
<br /> (56) 3/19/97 10.36 32.02 -21.66 E-SE 230 11 2.2 6.4 20 <3 No FP,No S,No 0
<br /> (56) 5/27/97 10.36 32.27 -21.91 E-SE 300 18 1.6 10 25 <3 No FP,No S,No 0
<br /> (55) 8112197 10.36 33.64 -23.28 E 110 7 0.75 4.8 9.6 <5 No FP,No S,No 0
<br /> (56) 11/18/97 10.36 33.38 -23.02 E 180 15 1.3 10 14 <5 No PP,No S,No 0
<br /> (57) 2/16/98 10.36 30.03 -19.67 SE <50 19 2.8 0.74 2.7 <5 No FP,No S,Yes 0
<br /> (56) 6/23/98 [P] 10.36 27.48 -17.12 SE 103 4.58 0.581 3.17 1.46 <5 No FP,No S,No O
<br /> (55) 9/29/98 [P] 10.36 29.25 -18.89 E 151 12.4 <0.5 8.07 2.38 <5 No FP,No S,Yes 0
<br /> (55) 12/30/98 [P] 10.36 27.02 -16.66 SE 61.9 3.72 <0.5 1.42 <0.5 <5 No FP,No S,No 0
<br /> (55) 3/31/99 [P] 10.36 25.63 -15,27 E-SE <50 1.43 <0.5 0.662 <0.5 <5 No FP,No S,No 0
<br /> (55) 6/28199 [P] 10.36 26.75 -16.39 SE 252 24.5 <0.5 12.3 2.98 6.51 No FP,No S,No 0
<br /> (55) 9/10199 [P] 10.36 28.75 -18.39 E 199 13.9 <0.5 8.13 7.01 5.02 No FP,No S,No 0
<br /> (55) I2/13/99 [P] 10.36 27.85 -17.49 E <50 <0.5 <0.5 <0.5 <0.5 5.88 No FP,No S,No 0
<br /> (55) 3/28/00 [P] 1036 24.61 -14.25 SE 109 3.29 <0.5 1.86 0.89 4.43 No FP,No S,No 0
<br /> (56) 6126100 [P] 10.36 25.60 -15.24 E 70.2 6.46 <0.5 1.46 0.92 <2.0[2] No FP,No S,No 0
<br /> 9/28/00 [P] 10.36 28.14 -17.78 E-NE 54.8 2.18 <0.5 1.11 <0.5 <2.5 No FP,No S,No 0
<br /> 12/18/00 [P] 10.36 26.80 -16.44 E <50 0.559 <0.5 <0.5 0.562 11.6[2] No FP,No S,No 0
<br /> 3114/01 [P] 10.36 25.37 -15.01 E <.50 0.892 1.43 <0.5 1.8 19 No FP,No S,No 0
<br /> 6119101 [P] 10.36 26.35 -15.99 E <50 1.2 1.1 <0.5 0.73 8.8[2] No FP,No S,No 0
<br /> 9/11/01 [P] 10.36 28.85 -18.49 E <50 <0.5 <0.5 <0.5 0.6 15[2] No FP,No S,No 0
<br /> 12/13/01 [P] 10.36 28.15 -17.79 UNE 540 43 160 13 76 1,900[2] No PP,No S,Yes 0
<br /> 3/12/02 [P] 10.36 26.37 -16.01 E 60[3] 4.4 5.5 <0.50 4.0 1,100[2] No FP,No S,Yes 0
<br /> 6117/02 [P] 10.36 27.45 -17.09 E 420[3] 2.2 2.4 <0.50 1.0 770[2] No FP,No S,No 0
<br /> 9/9/02 P 10.36 30.29 -19.93 NE 400 0.9 0.53 <0.5 <0.5 900 No FP,No S,No 0
<br /> 1214/02 P 10.36 30.10 -19.74 NE <2,500 <25 <25 <25 <25 740 No FP,No S,No O
<br /> MW-2 61 2115/95 9.82 40.67 47.00 -30.85 E <50 <0.5 <0.5 0.50 <0.5 NA No FP,No S,No O
<br /> 0548 QNIR4Q02
<br /> IOf90
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