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TABLE 1
<br /> GROUNDWATER ELEVATION AND ANALYTICAL SUMMARY
<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 GRO+ Benzene Toluene benzene Xylenes MTBE[l]
<br /> Number Date (feet msl) feet b s) (feet b s) (feet msl) Direction PgfL PgtL WL µ µ µgll-
<br /> MW-4 NP 06/21/00 16.22 34 36.75 -20.53 SE 1,020 1,470 <2.0 6.7 66.0 2,290[2]
<br /> NP 09/08/00 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[61 <5.0[6] <5,0[61 <5.0[61 3,050[2]
<br /> P 03/22/01 16.22 37.49 -21.27 E-SE 5,320 2,820 <0.5 <0.5 50.4 5,100[2][3]
<br /> P 05/24/01 16.22 37.23 -21.01 NC 4,710 2,170 25[6] <25[6] 54.9 5,610[2]
<br /> 06/25/01 16.22 37.73 -21.51 E-NE NS NS NS NS NS NS
<br /> P 09/14/01 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 02/21/02 16.22 40.34 -24.12 F-NE 18,000[8] 9,500 <100 <100 <100 29,000[2]
<br /> P 04/23/02 16.22 40.12 -23.90 NF 11,000[8] 4,700 <100 <100 <100 17,000[2][10]
<br /> P 09/19/02 16.22 42.00 -25.78 NE 23,000[11,14] 5,000[14] <50[141 <50[14] <50[14] 17,000[21
<br /> P 12/11/02 16.22 42.93 -26.71 NE <25,000t16,171 3,700 <250 <250 <250 21,000[2]
<br /> NP 01/14/03 16.22 NM NM NC 9,500[8] 1,900 <25 <25 <25 13,000[2]
<br /> NP 02/12/03 16.22 NM NM NC 25,000 2,500 `250 <250 <250 18,000[2]
<br /> P 02/26/03 16.22 42.44 -26.22 NE <50,000 6,900 <500 <500 540 4,000[2]
<br /> P 05/19/03 16.22 41.85 -25.63 Radial 16,000 A 2,700 A <25 A <25 A <25 A 22,000[2] A
<br /> P 09/09/03 16.22 43.39 -27.17 NE 9,300[[9] R 1,700 A <5.0 A <5.0 A <5,0 A 22,000[2] A
<br /> P 12/10/03 16.22 44.05 -27.83 NE 17,000 A 3,400[23] J <50[231 J <50[23] J <50[231 J 22,000[2,23] J
<br /> P 03/04/04 16.22 43.43 -27.21 NE 10,000 A 3,100 A <100 A <100 A <100 A 33,000[2] A
<br /> 5r ATU5
<br /> Arco 5469_Quarterly_Data
<br /> 4of9
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