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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 /> i
<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 AgfL al µ L PEI µ L 11
<br /> MW-7 06/25/01 16.49 33 38.20 -21.71 E-NE NS NS NS NS NS NS
<br /> P 06/28/01 16.49 38.34 -21.85 NC <50 <0.5 <0.5 <0.5 <0.5 <2.0[2]
<br /> P 09/14/01 16.49 39.67 -23.18 NE <50 <0.5 <0.5 <0.5 <0.5 4.0[21
<br /> P 12/14/01 16.49 40.80 -24.31 NE <50 <0.50 <0.50 <0.50 <0.50 18[21
<br /> P 02/21/02 16.49 40.65 -24.16 E-NE <50 <0.50 <0.50 <0.50 <0.50 59[2]
<br /> P 04/23/02 16.49 40.51 -24.02 NE <50 <0.50 <0.50 <0.50 <0.50 110[21
<br /> P 09/19/02 16.49 42.49 -26.00 NE 1,400[15] <10 <10 <10 <10 110[2]
<br /> P 12/11/02 16.49 43.33 -26.84 NE 73[18] 1.2 <1.0 <1.0 1.9 98[2]
<br /> NP 01/14/03 16.49 NM NM NC <50[14] <0.50[141 <0.50[14] <0.50[14] <0.50[14] 1.3[2]
<br /> NP 02/12/03 16.49 NM NM NC <50 <0.50 <0.50 <0.50 <0.50 <0.50[2]
<br /> P 02/26/03 16.49 42.98 -26.49 NE <50 <0.50 <0.50 <0.50 0.55 <0.50[2]
<br /> P 05/19/03 16.49 42.19 -25.70 Radial <50 A <0.50 A <0.50 A <0.50 A 0.71 A <0.50[2] A
<br /> P 09/09/03 16.49 43.69 -27.20 NE <50 A <0.50 A <0.50 A <0.50 A <0.50 A <0.50[21 A
<br /> P 12/10/03 16,49 44.46 -27.97 NE <50 A <0.50[23,241 J ,0.50[23,24] J <0.50[23,241 J <0.50[23,241 J <0.50[2,23,241 3
<br /> P 03/04/04 16.49 43.70 -27.21 NE <50 A <0.50 A <0.50 A <0.50 A <0.50 A <0.50[2,26] J
<br /> MW-8 06/25/01 16.46 33 38.10 -21.64 E-NE NS NS NS NS NS NS
<br /> P 06/28/01 16.46 38.23 -21.77 NC <5000[6] 2,300 <50[6] <50[6] <50[6] 1,600[21
<br /> P 09/14/01 16.46 39.63 -23.17 NE <2,000[7] 980[71 <20[7] 40[7] <20[7] 7,500[2]
<br /> P 12/14/01 16.46 40.72 -24.26 NE 29,000[8,91 18,000[9] 640[9] 120[9] 470[91 17,000[2]
<br /> P 02/21/02 16.46 40.39 -23.93 E-NE 30,000 15,000 <200 <200 4.00 22,000[2]
<br /> P 04/23/02 16.46 40.48 -24.02 NE 27,000[8] 16,000 <200 <200 400 26,000[2][101
<br /> P 09/19/02 16.46 42.47 -26.01 NE 460[11] 190[13] <0.50 <0.50 <0.50 16,000[2]
<br /> P 12/11/02 16.46 43.30 -26.84 NE 29,000[8] 9,600 <250 <250 <250 24,000[2]
<br /> NP 01/14/03 16.46 NM NM NC 26,000[8] 6,200 <50 <50 <50 18,000[2]
<br /> NP 02/12/03 16.46 NM NM NC 27,000 5,200 <250 <250 <250 21,000[2]
<br /> P 02/26/03 16.46 43.11 -26.65 NE <50,000 5,000 <500 X500 <500 19,000[2]
<br /> P 05/19/03 16.46 42.20 -25.74 Radial 29,000 A 6,000 A <50 A <50 A <50 A 33,000[2] A
<br /> P 09/09/03 16.46 43.67 -27.21 NE 7,200[19] R 980 A <1.0 A <1.0 A <1.0 A 23,000[2] A
<br /> P 12/10/03 16.46 44.31 -27.85 NE 18,000 A 3,000 A <250 A <250 A <250 A 28,000[2,22] J
<br /> P 03/04/04 16.46 43.69 -27.23 NE 15,000 A 3,100 A <500 A <500 A <500 A 31,000[2] A
<br /> 5-MA MS
<br /> Arco_5469_Quarierly-Data
<br /> 7 of 9
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