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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 Top of Static Top Groundwater Ethyl- Total
<br /> Sample Sample Casing Water of Groundwater Flow TPI-Ig Benzene Toluene benzene Xylenes MtBE[1]
<br /> Number Date Elevation Level Screen Elevation Direction rrg/L A9/L u9/L P91L u9/L p9/L Observations
<br /> MW-5 (60) 2/15/1995 9.37 40.28 42.00 -30.91 E 6,700 420 87 620 1,100 NA No FP,No S,No 0
<br /> (61) 5/12/1995 9.37 38.95 -29.08 E 5,000 560 110 400 600 NA No FP,No S,Yes 0
<br /> (60) 8/29/1995 9.37 40.07 -30.70 E 5,700 410 150 310 590 NA No FP,No S,Yes 0
<br /> (61) 12/4/1995 9.37 38.63 -29.26 E 11200 55 11 83 92 NA No FP,No S,Yes 0
<br /> 2/2/1996 9.37 36.66 -27.29 E 270 7.6 1.5 11 9,8 NA No FP,No S,Yes 0
<br /> (60) 5!1011996 9.37 34.15 -24.78 E 5,700 420 180 380 610 34 No FP,No S,Yes 0
<br /> (60) 8/29/1996 9.37 35.99 -26.62 E 9,600 510 90 710 970 39 No FP,No S,Yes 0
<br /> (60) 11/20/1996 9.37 34.83 -25,46 E 4,500 210 93 310 510 '<50 No FP,No S,Yes 0
<br /> (60) 3/19/1997 9.37 31.12 -21.75 E-SE 6,200 420 68 360 590 "'<60 No FP,No S,Yes 0
<br /> 5/27/1997 9.37 31.19 -21,82 E-SE 4,500 490 59 230 350 97 No FP,No S,Yes 0
<br /> (60) 8/12/1997 9.37 32.76 -23.39 E 3,600 260 12 260 350 110 No FP,No S,Yes 0
<br /> (61) 11/18/1997 9.37 32.49 -23,12 E 1,300 180 12 18 88 "<25 No FP, No S,Yes 0
<br /> (61.5) 2/16/1998 9.37 29.14 -19.77 SE 630 110 <2.5 22 8.3 44 No FP,No S,Yes 0
<br /> (60) 6/23/1998 [P] 9.37 26.61 -17.24 SE 702 50.4 7.91 33.3 36.6 47.3 No FP,No S,Yes 0
<br /> (60) 9/2911998 [P] 9.37 28.39 -19,02 E 1,790 242 <5 121 135 145 No FP, No S,Yes 0
<br /> (60) 12/30/1998 [P] 9.37 26.22 -16,85 SE 275 19 <0.50 6.05 0.629 38.2 No FP, No S,Yes 0
<br /> (60) 3/31/1999 [P] 9.37 24.71 -15.34 E-SE 93.4 8.42 <0.50 <0.5 0.835 15.7 No FP, No S,Yes 0
<br /> (60) 6/28/1999 [P] 9.37 25.88 -16.51 SE 175 22.4 <0.50 1.15 2.03 32,8 No FP, No S,Yes 0
<br /> (60) 9/10/1999 [P] 9.37 27.87 -18.50 E 614 41.9 <0.50 10.9 29.3 93.6 No FP, No S,Yes 0
<br /> (60) 1 211 311 999 [P] 9.37 26.92 -17.55 E <50 <0.5 <0.50 <0.50 <0.50 7.52 No FP,No S,No 0
<br /> (60) 3/28/2000 [P] 9.37 23.74 -14.37 SE <50 <0.5 <0.50 <0.50 <0.50 <2.5 No FP,No S,No 0
<br /> (61) 6/26/2000 [P] 9,37 24.71 -15.34 E 106 1.99 <0.50 <0.50 <0.50 42[2] No FP,No S,No 0
<br /> 9/28/2000 [P] 9.37 27.24 -17.87 E-NE 137 <0.50 <0.50 <0.50 <0.50 47.4 No FP,No S,No 0
<br /> 12/18/2000 [P] 9.37 25.87 -16.50 E <50 <0.50 <0.50 <0.50 <0.50 <2(2] No FP,No S,No 0
<br /> 3/14/2001 [P] 9.37 24.48 -15.11 E <50 <0.50 <0.50 <0.50 <0.50 <1.0 No FP,No S,Yes 0
<br /> 6/1912001 [P] 9.37 25.43 -16.06 E <50 <0.50 <0.50 <0.50 <0.50 <2[2] No FP,No S,Yes 0
<br /> 9/11/2001 [P] 9.37 27.95 -18.58 E <50 <0.50 <0.50 <0.50 <0.50 <2[2] No FP,No S,Yes 0
<br /> 12/13/2001 [P] 9.37 27.20 -17.83 E-NE <50 <0.50 <0.50 <0.50 <0.50 <0.50[2] No FP,No S,Yes 0
<br /> 3/12/2002 [Pj 9.37 25.53 -16.16 E <50 <0.50 <0.50 <0.50 <0.50 0,98[2] No FP,No S,Yes 0
<br /> 6/17/2002 [P] 9.37 26.53 -17.16 E <50 <0.50 <0.50 <0.50 <0,50 <0.50[2] No FP,No S,Yes 0
<br /> 9/9/2002 P 9.37 29.38 -20.01 NE <50 <0.50 <0.50 <0.50 <0,50 <0.5 No FP,No S,Yes O
<br /> 12/4/2002 P 9.37 29.14 -19.77 NE <50 <0.50 0.62 <0.50 3.4 <0.5 No FP,No S,Yes O
<br /> 3/3/2003 P 9.37 28.91 -19.54 SE <50 <0.50 <0.50 <0.50 <0.50 <0.5[2] No FP, No S,Yes O
<br /> 6/3/2003 P 9.37 28.67 -19.30 SE <50 <0.50 <0,50 <0,50 <0.50 <0.5[2] No FP,No S,No O
<br /> 9/18/2003 P 9.37 32.08 -22.71 SE <50 <0.50 <0.50 <0.50 <0.50 <0,50[2] No FP,No S,No O
<br /> 12/8/2003 P 9.37 31.93 -22.56 NE-SW <50 <0,50 <0,50 <0,50 <0.50 <0.50[2] No FP,No S,No O
<br /> K:SW precessU5 BP ARCOM5481Quarterly\4 QTR 0450546 QMR 4QC3 Page 5 or 10
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