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<br /> 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 ms]) Direction µ VOL µ µ µ
<br /> MW-7 06/25/01 1649 33 3820 -2171 E-NE NS NS NS NS NS NS
<br /> P 06/28/01 1649 3834 -2185 NC <50 <0 5 <0 5 <0 5 <0 5 <2 0[2]
<br /> P 09/14/01 1649 3967 -23 18 NE <50 <0 5 <0 5 <0 5 <0 5 <2 0[2]
<br /> P 12/14/01 1649 4080 -2431 NE <50 <0 50 <0 50 <0 50 <0 50 18[2]
<br /> P 02/21/02 1649 4065 -24 16 E-NE <50 <0 50 <0 50 <0 50 <0 50 59[2]
<br /> P 04/23/02 1649 4051 -24 02 NE <50 <0 50 <0 50 <0 50 <0 50 110[2]
<br /> P 09/19/02 1649 4249 -2600 NE 1,400[15] <10 <10 <10 <10 110[2]
<br /> P 12/11/02 1649 43 33 -2684 NE 73[18]
<br /> 12 <I 0 <1 0 19 98[2]
<br /> NP 01/14/03 1649 NM NM NC <50[14] <0 50[14] <0 50[14] <0 50[14] <0 50[14] 1 3[2]
<br /> NP 02/12/03 1649 NM NM NC <50 <0 50 <0 50 <0 50 <0 50 <0 50[2]
<br /> P 02/26/03 1649 4298 -2649 NE <50 <0 50 <0 50 <0 50 055 <0 50[2]
<br /> P 05/19/03 1649 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 1649 43 69 -2720 NE <50 A <0 50 A <0 50 A <0 50 A <0 50 A <0 50[2] A
<br /> P 12/10/03 1649 4446 -2797 NE <50 A <0 50[23,24] J <0 50[23,24] J <0 50[23,241 J <0 50[23,24] J <0 50[2,23,241 J
<br /> P 03/04/04 1649 43 70 -2721 NE <50 A <0 50 A <0 50 A <0 50 A <0 50 A <0 50[2,26] J
<br /> P 06/08/04 1649 4328 -2679 NE <50 A <0 50 A <0 50 A <0 50 A <0 50 A <0 50[2] A
<br /> P 09/14/04 1649 4492 -28 43 NE <50[28] A <0 50 A <0 50 A <0 50 A <0 50 A <0 50[2] A
<br /> MW-8 06/25/01 1646 33 38 10 -2164 E-NE NS NS NS NS NS NS
<br /> P 06/28/01 1646 3823 -2177 NC <5000[6] 2,300 <50[61 <50[6] <50[6] 1,600(2]
<br /> P 09/14/01 1646 3963 -23 17 NE <2,000[7] 980[7] <20 f 7] <20[71 <20[7] 7,500[2]
<br /> P 12/14/01 1646 4072 -2426 NE 29,000[8,91 18,000[9] 640[9] 120[9] 470[91 17,000[2]
<br /> P 02/21/02 1646 4039 -23 93 E-NE 30,000 15,000 <200 <200 <200 22,000[2]
<br /> P 04/23/02 1646 4048 -2402 NE 27,000[8] 16,000 <200 <200 <200 26,000[2][10]
<br /> P 09/19/02 1646 4247 -2601 NE 460[1]] 190[13] <0 50 <0 50 <0 50 16,000[2]
<br /> P 12/11/02 1646 4330 -2684 NE 29 000[8] 9,600 <250 <250 <250 24,000[2]
<br /> NP 01/14/03 1646 NM NM NC 26,000[8] 6,200 <50 <50 <50 18,000(2]
<br /> NP 02/12/03 1646 NM NM NC 27,000 5,200 <250 <250 <250 21,000[2]
<br /> P 02/26/03 1646 43 It -2665 NE <50,000 5,000 <500 <500 <500 19,000[2]
<br /> P 05/19/03 16 46 4220 -2574 Radial 29,000 A 6,000 A <50 A <50 A <50 A 33,000[2] A
<br /> P 09/09/03 1646 4367 -2721 NE 7,200[19] R 980 A <1 0 A <10 A <1 0 A 23,000[21 A
<br /> P 12/10/03 1646 4431 -2785 NE 18,000 A 3,000 A <250 A <250 A <250 A 28,000[2,221 J
<br /> P 03/04/04 1646 4369 -2723 NE 15,000 A 3,100 A <500 A <500 A <500 A 31,000[2] A
<br /> P 06/08/04 1646 4323 -2677 NE 180 A 990 A <10 A <10 A <10 A 32,OOOj2] A
<br /> P 09/14/04 1646 4490 -2844 NE 25,000[28] A 420 A <250 A <250 A <250 A 20,000[2] A
<br /> 571L471J5
<br /> Arco-5469 Quanerly_Data
<br /> 7of9
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