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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 TPH& Benzene Toluene benzene Mens MtBE[1] Observations
<br /> MW-5 (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 O
<br /> (cont.) (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 O
<br /> (60) 9/29/1998 [P] 9.37 28.39 -19.02 E 1,790 242 <5 121 135 145 No FP,No S, Yes O
<br /> (60) 12/30/1998 [P] 9.37 26.22 -16.85 SE 275 19 <0.5 6.05 0.629 38.2 No FP,No S,Yes O
<br /> (60) 3/31/1999 [P] 9.37 24.71 -15.34 E-SE 93.4 8.42 <0.5 <0.5 0.835 15.7 No FP,No S,Yes O
<br /> (60) 6/28/1999 [P] 9.37 25.88 -16.51 SE 175 22.4 <0.5 1.15 2.03 32.8 No FP,No S,Yes O
<br /> (60) 9/I0/1999 [P] 9.37 27.87 -18.50 E 614 41.9 <0.5 10.9 29.3 93.6 No FP,No S,Yes O
<br /> (60) 12/13/1999 [P] 9.37 26.92 -17.55 E <50 <0.5 <0.5 <0.5 <0.5 7.52 No FP,No S,No O
<br /> (60) 3/28/2000 [P] 9.37 23.74 -14.37 SE <50 <0.5 <0.5 <0.5 <0.5 <2.5 No FP,No S,No O
<br /> (61) 6/26/2000 [P] 9.37 24.71 -15.34 E 106 1.99 <0.5 <0.5 <0.5 42[2] No FP,No S,No O
<br /> 9/28/2000 [P] 9.37 27.24 -17.87 E-NE 137 <0.5 <0.5 <0.5 <0.5 47.4 No FP,No S,No O
<br /> 12/18/2000 [P] 9.37 25.87 -16.50 E <50 <0.5 <0.5 <0.5 <0.5 <2[2] No PP,No S,No O
<br /> 3/14/2001 [P] 9.37 24.48 -15.11 E <50 <0.5 <0.5 <0.5 <0.5 <1.0 No FP,No S,Yes O
<br /> 6/19/2001 [P] 9.37 25.43 -16,06 E <50 <0.5 <0.5 <0.5 <0.5 <2[21 No FP,No S,Yes O
<br /> 9/11/2001 [P] 9.37 27.95 -18.58 E <50 <0.5 <0.5 <0.5 <0.5 <2[2] No FP,No S,Yes O
<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 O
<br /> 3/12/2002 [P] 9.37 25.53 -16.16 E <50 <0.50 <0.50 <0,50 <0.50 0.98[21 No FP,No S,Yes O
<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 O
<br /> 9/9/2002 P 9.37 29.38 -20.01 NE <50 <0.5 <0.5 <0.5 <0.5 <0.5 No FP,No S,Yes O
<br /> MW-6 (58) 2/15/1995 8.95 40.02 40..00 -31.07 E <50 <0.5 <0.5 <0.5 <0.5 NA No FP,No S,No O
<br /> (58) 5/12/1995 8.95 38.26 -29.31 E <50 <0,5 <0,5 <0.5 <0.5 NA No FP,No S,No O
<br /> (59) 8/29/1995 8.95 39.91 -30.96 E *<52 <0.5 <0.5 <0.5 <0.5 NA No FP,No S,No O
<br /> (58) 12/4/1995 8.95 38.38 -29.43 E *<70 <0.5 <D,5 <0,5 <0.5 NA No FP,No S,No O
<br /> 2/2/1996 8.95 36.38 -27.43 E <50 <0.5 <0.5 <0.5 <0.5 NA No PP,No S,No O
<br /> (59) 5/10/1996 8.95 33.88 -24.93 E <50 <0.5 <0.5 <0.5 <0.5 <3 No FP,No S,No O
<br /> (59) 8/29/1996 8.95 35.66 -26.71 E <50 <0,5 <0.5 <0.5 <0.5 <3 No FP,No S,No O
<br /> (59) 11/20/1996 8.95 34.57 -25.62 E <50 <0.5 <0.5 <0.5 <0.5 <3 No FP,No S,No O
<br /> (57) 3/19/1997 8.95 30.83 -21.88 E-SE <50 <0.5 <0.5 <0.5 <0.5 <3 No FP,No S,No O
<br /> 5/27/1997 8.95 31.16 -22.21 E-SE <50 <0.5 <0.5 <0.5 <0,5 <3 No FP,No S,No O
<br /> (59) 8/12/1997 8.95 32.55 -23.60 E <50 <0.5 <0.5 <0.5 <0.5 <5 No FP,No S,No O
<br /> (57) 11/18/1997 8.95 32.19 -23.24 E 54 5.9 5.8 1.6 9.2 <5 No PP,No S,No O
<br /> (57) 2/16/1998 8,95 28.83 -19.88 SE <50 <0.5 <0.5 <0.5 <0.5 <5 No FP,No S,No O
<br /> (57) 6/23/1998 [P] 8.95 26.36 -17.41 SE <50 <0.5 <0.5 <0.5 <0,5 <5 No FP,No S,No O
<br /> 57) 9/29/1998 ] 8.95 28.19 -19.24 E <50 <0.5 <0.5 <0.5 <0.5 <5 No FP,No S,No O
<br /> 0548 QMR3Q02
<br /> 5 of 10
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