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TABLE 1
<br /> v�
<br /> Groundwater Elevation and Analytical Data
<br /> ARCO Service Station No.548
<br /> 1612 Hammer Lane,Stockton,California
<br /> Weil Top of Static Top Groundwater Ethyl- Total
<br /> Sample Sample Casing Water of Groundwater Flow TPHg Benzene Toluene benzene Xylenes MtBE[1]
<br /> Number Date Elevation Level Screen Elevation Direction P91L P91L P91L ug/L u92 u9/L Observations
<br /> MW-1 (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 O
<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 FP, 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 O
<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 O
<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 O
<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 E-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 0
<br /> (55) 8/12/1997 10.36 33,64 -23.28 E 110 7 0.75 4.8 9.6 <5 No FP,No S,No 0
<br /> (56) 11/18/1997 10.36 33.38 -23.02 E 180 15 1.3 10 14 <5 No FP,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 FP,No S,No 0
<br /> (55) 9/29/1998 [P) 10.36 29.25 -18.89 E 151 12.4 <03 8.07 2.38 <5 No FP,No S,Yes O
<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 E-SE <50 1.43 <0.5 0.562 <0.5 <5 No FP,No S,No O
<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 O
<br /> (55) 9/10/1999 [P] 10.36 28.75 -18.39 E 199 13.9 <0.5 8.13 7.01 5.02 No FP,No S,No O
<br /> (55) 12/13/1999 [P] 10.35 27.85 -17.49 E <50 <0.5 <0.5 <0.5 <0.5 5.58 No FP,No S,No O
<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 O
<br /> 9128/2000 [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 O
<br /> 12118/2000 [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 FP,No S,No 0
<br /> 6119/2001 [P] 10.36 26.35 -15.99 E <50 1.2 1.1 <0.5 0.73 8.812] No FP, No S,No 0
<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 E-NE 540 43 160 13 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 FP,No S,Yes 0
<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 0
<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 0
<br /> 12/4/2002 P 10.36 30.10 -19.74 NE <2,500 <25 <25 <25 <25 740 No FP,No S,No 0
<br /> 3/3/2003 p 10.36 28.29 -17.93 SE <1000 <10 <10 <10 <10 530[2] No FP,No S,No 0
<br /> 6/3/2003 P 10.36 28.11 -17,75 SE <50 0.94 <0.50 <0.50 <0.50 320[2] No FP,No S,No O
<br /> 9/18/2003 P 10.36 31.63 -21,27 SE 130 R <25 <25 <25 <25 320[2] No FP,No S,No 0
<br /> 12/8/2003 P 10.36 31.56 -21.20 NE-SW 80 R <5.0 <5.0 <5.0 <5.0 250(2] No FP,No S,No O
<br /> KMprocessU6 BP ARco\005461Querter1y\4 OTR 04\oUa QMR 4QO3 Page 1 of 10
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