|
i
<br /> •
<br /> TABLE I
<br /> GROUNDWATER MONITORING DATA
<br /> ARCO Service Station No.5469
<br /> 130 South Wilson Way,Stockton,California
<br /> Elevation Top of Well Static Water Groundwater Groundwater Ethyl- Total
<br /> Well Top of Casing Screen Level Elevation Flow TPHG Benzene Toluene benzene Xylene MTBE[l]
<br /> Number Date feet msl feet b s feet b feet ins 1) Direction I µ µ
<br /> MW4 NP 6/21100 16.22 34 36.75 -20.53 SE 1,020 1,470 <2.0 6.7 66.0 2,290[2]
<br /> NP 918100 16.22 38.31 -22.09 SE 349 104 <2.5 <2.5 7.81 1,300[2]
<br /> NP 12/11/00 16.22 38.75 22.53 SE&N • <500[6] <5.0[6] .<5.0[6] . <5.0[6] • <5.0[6] 3,050[2]
<br /> P 3122!01 16.22 37.49 -21.27 F--SE 5,320 2,820 <0.5 <0.5 50.4 5,10012][3]
<br /> P 5/24101 16.22 37.23 -21.01 NC 4,710 2,170 <25[61 <25[61 54.9 5,610[21
<br /> 6125101 16.22 37.73 -21.51 E-NE NS NS NS NS NS NS
<br /> P 9114/01 16.22 39.27 -23.05 NE 2,000 980 <20 <20 20 24,000[2]
<br /> P 12/14/01 16.22 40.40 -24.18 NE 22,000[8] 10,000 <100 <100 <100 25,000[2]
<br /> P 2121/02 16.22 40.34 -24.12 E-NE 18,000[8] 9,500 <100 <100 <100 29,000[2]
<br /> MW-5 NP 6/21/00 16.01 33 36.58 -20.57 SE <50 <2.0 <2.0 <2.0 <2.0 8,370[2]
<br /> NP 918/00 16.01 38.21 -22.20 SE <50 <0.5 <0.5 <0.5 <0.5 9,870[21
<br /> NP 12/11/00 16.01 38.45 -22.44 SE&N <500[51 <5.0[5] <5.0[5] <5.0[5] <5.0[5] 12,200[2]
<br /> P 3/22101 16.01 37.33 -21.32 E-SE <500[5] <5.0[5] <5.0151 <5.0[5] <5.0[5] 15,600[2]
<br /> P 5124/01 16.01 37.05 -21.04 NC <500[5] <5.0[5] <5.0[5] <5.0[5] <5.0[5] 14,400[2]
<br /> 6125/01 16.01 37.60 -21.59 E-NE NS NS NS NS NS NS
<br /> P 9114101 16.01 39.12 -23.11 NE <50 0.50 <0.5 <0.5 <0.5 16,000[21
<br /> P 12/14/01 16.01 40.20 -24.19 NE <50 4.5 <0.50 <0.50 <0.50 12,000[2]
<br /> P 2121102 16.01 40.10 -24.09 E-NE <50 4.5 <0.50 <0.50 <0.50 13,000[2]
<br /> MW-6 NP 6/21100 15.89 33 36.42 -20.53 SE X50 <2.0 <2.0 <2.0 X2.0 4,120[2]
<br /> NP 918100 15.89 38.07 -22.18 SE <50 <0.5 <0.5 <0.5 <0.5 6,320[2]
<br /> NP 12/11/00 15.89 38.39 -22-50 SE&N <500[5] <5.0[51 <5.0[51 <5.0[51 <5.0[5] 6,910[2]
<br /> P 3/22101 15.89 37.13 -21.24 E-SE <50015] <5.0[5] <5.0[5] <5.0[5] <5.0[51 8,290121
<br /> P 5124101 15.89 36.85 -20.96 NC <500[5] <5.0[5] <5.0[5] <5.0[51 <5.0[51 16,100121
<br /> 6/25/01 15.89 37.36 -21.47 E-NE NS NS NS NS NS NS
<br /> P 9114101 15.89 38.90 -23.01 NE <50 <0.5 <0.5 <0.5 <0.5 22,000[21
<br /> P 12/14/01 15.89 40.00 -24.11 NE <50 0.85 <0.50 <0.50 <0.50 14,000[2]
<br /> P 2121/02 15.89 39.95 -24.06 E-NE 58[8] 3.3 <0.50 <0.50 <0.50 45,000[2]
<br /> MW-7 6125/01 16.49 33 38.20 -21.71 E-NE NS NS NS - NS NS NS
<br /> P 6/28/01 16.49 38.34 -21.85 NC <50 <0.5 <0.5 <0.5 <0.5 <2.0[2]
<br /> P 9114/01 16.49 39.67 -23.18 NE <50 <0.5 <0.5 <0.5 <0.5 <2.0[21
<br /> f P 12/14/01 16.49 40.80 -24.31 NE <50 <0.50 <0.50 <0.50 <0.50 18[21
<br /> P 2/21102 16.49 40.65 -24.16 E-NE <50 <0.50 <0.50 <0.50 <0.50 59[2]
<br /> MW-8 6125101 16.46 33 38.10 -21.64 E-NE NS NS NS NS NS NS
<br /> P 6/28/01 16.46 38.23 -21.77 NC <5000[6] 2,300 <50[61 <50[6] <50[6] 1,600[2]
<br /> P 9/14101 16.46 39.63 -23.17 NE <2,000[7] 980[7] <20[7] <20[7] <20[7] 7,500(21
<br /> P 12/14/01 16.46 40.72 -24.26 NE 29,000[8][9] 18,000[9] 640[9] 120[9] 470[9] 17,000[2]
<br /> P 2/21102 16.46 40.39 -23.93 E-NE 30,000 15,000 <200 <200 <200 22,000[2]
<br /> I
<br /> Arco_5469_Quarterly_t)aFa.XI,S
<br /> Delta
<br /> 2 of 3
<br />
|