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TABLE 1
<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
<br /> Sample of Top Water of of Flow Ethyl- Total
<br /> Number Date of Casing Level Screen Groundwater Direction TPHg Benzene Toluene benzene Xylenes MtBE[1] Observations
<br /> MW-I (56) 2/15/1995 10.36 41.19 48.51 -30.83 E 59 2.1 2.5 1.0 3.3 NA No FP,No S,No 0
<br /> (56) 5/12/1995 10.36 39.33 -28.97 E 84 4.7 4.1 1.7 6.5 NA No FP,No S,Yes 0
<br /> (56) 8/29/1995 10.36 40.89 -30.53 E 190 8.0 5.8 4.7 18 NA No PP,No S,Yes 0
<br /> (56) 12/4/1995 10.36 39.53 -29.17 E 78 2.3 1.4 1.4 5.3 NA No FP,No S,Yes O
<br /> 2/2/1996 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) 5/10/1996 10.36 35.04 -24,68 E 92 5.5 2.1 2.4 12 <3 No FP,No S,No 0
<br /> (56) 8/29/1996 10.36 36.77 -26.41 E 100 4.2 1.4 3.2 12 <3 No FP,No S,No 0
<br /> (56) 11/20/1996 10.36 35.75 -25.39 E 140 6.0 1.5 4.6 18 <3 No FP,No S,No O
<br /> (56) 3/19/1997 10.36 32,02 -21.66 &SE 230 11 2.2 6.4 20 <3 No FP,No S,No 0
<br /> (56) 5/27/1997 10.36 32.27 -21.91 E-SE 300 18 1.6 10 25 <3 No FP,No S,No O
<br /> (55) 8/121I997 10.36 33.64 -23.28 E 110 7 0.75 4.8 9.6 <5 No FP,No S.No O
<br /> (56) 11/18/1997 10.36 33.38 -23.02 E 180 15 1.3 10 14 <5 No PP,No S,No 0
<br /> (57) 2/16/1998 10.36 30.03 -19.67 SE <50 1.9 2.8 0.74 2.7 <5 No FP,No S,Yes 0
<br /> (56) 6/23/1998 [P] 10.36 27.48 -17.12 SE 103 4.58 0.581 3.17 1,46 <5 No PP,No S,No 0
<br /> (55) 9/29/1998 [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) 12/30/1998 [P] 10.36 27,02 -16.66 SE 61.9 3.72 <0.5 1.42 <0.5 <5 No FP,No S,No O
<br /> (55) 3/31/1999 [P] 10.36 25.63 -15.27 USE <50 1.43 <0.5 0.662 <0.5 <5 No FP,No S,No 0
<br /> (55) 6/28/1999 [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/I0/1999 [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) 12/13/1999 [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) 3/28/2000 [P] 10.36 24.61 -14:25 SE 109 3.29 <0.5 1.86 0.89 4.43 No FP,No S,No O
<br /> (56) 6/26/2000 [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 /> 9/28/2000 [P] 10.36 28.14 -17.78 &NE 54.8 2.18 <0.5 1.11 <0.5 <2.5 No PP,No S,No O
<br /> 12/18/2000 [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 O
<br /> 3/14/2001 [P] 10.36 25.37 -15.01 E <50 0.892 1.43 <0.5 1.8 19 No PP,No S,No O
<br /> 6/19/2001 [P] 10.36 26.35 -15.99 E <50 1.2 1.I <0.5 0.73 8.8[2] No FP,No S,No O
<br /> 9/11/2001 [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 /> 12/13/2001 [P] 10.36 28.15 -17.79 &NE 540 43 160 I3 76 1,900[2] No FP,No S,Yes 0
<br /> 3/12/2002 [P] 10.36 26.37 -16.01 E 60[3] 4.4 5.5 <0,50 4.0 1.100[2] No PP,No S,Yes O
<br /> 6/17/2002 [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 O
<br /> 9/9/2002 P 10.36 30.29 -19.93 NE 400 0.9 0.53 <0.5 <0.5 900 No FP,No S,No O
<br /> MW-2 (6 1) 2/15/1995 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 /> (61) 5/12/1995 9.82 38.85 -29.03 E <50 <0.5 <O,S <0.5 <0.5 NA No FP,No S,No O
<br /> (61) 8/29/1995 9.82 40,44 -30.62 E *<52 <0.5 <0.5 1.0 <0.5 NA No FP,No S,No 0
<br /> 0548 QMR3QQ2
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