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TABLE 1 <br /> Soil Boring and Well Construction Details <br /> Stockton Charter Way Commingled Plume <br /> 440, 441, and 508 West Charter Way and 1444 South Lincoln Street, Stockton, CA <br /> TOC Borehole Casing Screened Filter Pack Bentonite Seal Cement Seal Water- <br /> Location I.D. Installation Elevation Total Depth Diameter Diameter Casing Slot Size Interval Interval Interval Interval Bearing Comments <br /> Date feet (feet bgs) inches inches Material (inches) feet b s feet b s feet b s feet b s Zone <br /> Former ARCO Service Station No.2168 <br /> Soil Borings(B) <br /> B-1 07/16/91 - 31.5 8 0-31.5 <br /> B-2 07/16/91 42.5 8 0-42.5 <br /> B-3 07/17/91 21.5 8 0-21.5 <br /> B-4 07/17/91 21.5 8 0-21.5 <br /> B-5 04/27/92 56 10 - see MW-1 for details <br /> B-6 04/28/92 56 10 - see MW-2 for details <br /> B-7 04/29/92 41 6.25 0-41 <br /> B-8 05/05/92 56 10 - see MW-3 for details <br /> B-9 05/06/92 41 10 see VW-1 for details <br /> B-10 05/07/92 40 10 see VW-2 for details <br /> B-11 05/07/92 40 10 - see VW-3 for details <br /> B-12 05/06/92 40 8 0-40 <br /> B-13 01/11/93 41 8.25 - see VW-4 for details <br /> B-14 01/11/93 57 10.25 - see MW-4 for details <br /> B-15 01/12/93 14.5 6.5 0-14.5 <br /> B-16 01/12/93 57 10.25 - see MW-5 for details <br /> B-17 01/12/93 26 8.25 see VW-5 for details <br /> B-18 01/13/93 40 8.25 see VW-6 for details <br /> B-19 01/13/93 41 8.25 see VW-7 for details <br /> B-20 10/06/93 53 8.25 see MW-6 for details <br /> B-21 10/07/93 50 8.25 see MW-7 for details <br /> B-22 07/24/96 26 10 see VW-13 for details <br /> B-23 07/24/96 26 10 see VW-12 for details <br /> B-24 07/24/96 26 10 see VW-11 for details <br /> B-25 07/24/96 26 10 1 see VW-10 for details <br /> Angle Boring(B) <br /> B-13 1 05/12/95 26 8 0-26 <br /> Monitoring Wells(MW) <br /> AMW-1 04/27/92 11.767 56 10 4 SCH.40 PVC 0.02 36-56 33.5-56 31-33.5 0-31 B installed in B-5 <br /> AMW-1B 08/01/00 11.630 90 16/8 2 SCH.40 PVC 0.020 75-90 72-90 45-72 0-45 C <br /> AMW-1C 07/31/00 11.703 120 16/8 2 SCH.40 PVC 0.020 105-120 102-120 45-102 0-45 D <br /> AMW-2 04/28/92 12.275 56 10 4 SCH.40 PVC 0.02 36-56 33-56 29-33 0-29 B installed in B-6 <br /> AMW-3 05/05/92 12.987 56 10 4 SCH.40 PVC 0.02 34.5-54.5 32.5-56 30-32.5 0-30 B installed in B-8 <br /> AMW-4 01/11/93 -- 57 10.25 4 SCH.40 PVC 0.02 36.5-56.5 35-57 32.5-35 0-32.5 B installed in B-14,destroyed 10/3/05 <br /> AMW-5 01/12/93 11.903 57 10.25 4 SCH.40 PVC 0.02 37-57 35-57 32.5-35 0-32.5 B installed in B-16 <br /> AMW-6 10/06/93 10.696 53 8.25 2 SCH.40 PVC 0.02 30-50 29-53 25-29 0-25 B installed in B-20 <br /> AMW-7 10/07/93 10.658 50 8.25 2 SCH.40 PVC 0.02 30-50 28-50 25-28 0-25 B installed in B-21 <br /> AMW-8 1 08/02/00 12.925 30 8 2 SCH.40 PVC 0.020 15-30 13-30 11-13 1 0-11 1 A <br /> Stockton Charter Way Commingled Plume Soil Boring and Well Construction Details.xls Page 1 of 7 Stantec <br />