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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 /> TO 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 bgs) feet bgs) feet bgs) feet bgs Zone <br /> (feet) (inches) (inches) ( 9 ) ( 9 ) ( 9 ) ( 9 ) <br /> SVEW-3D 04/28/92 11.752 41.5 12 4 SCH.40 PVC 0.020 30.5-40.5 28.5-41.5 25-28.5 0-12.5 B Nested well <br /> SVEW-4S 04/27/92 11.788 40.5 12 4 SCH.40 PVC 0.020 15-25 14-26 12.5-14 0-12.5 A Nested well <br /> SVEW-4D 04/27/92 11.808 40.5 12 4 SCH.40 PVC 0.020 30.5-40.5 29.5-40.5 26-29.5 0-12.5 A Nested well <br /> Cone Penetrometer Test(CPT) <br /> CPT-1 11/01/00 - 100.06 - - - - - - PPDT depth to GW=19.6 <br /> CPT-2 11/01/00 100.06 PPDT depth to GW=21.4 <br /> CPT-3 11/01/00 100.23 PPDT depth to GW=22.1 <br /> CPT-4 11/02/00 80.71 PPDT depth to GW=21.7 <br /> CPT-5 10/15/01 130.08 <br /> CPT-6 10/15/01 82.02 <br /> CPT-7 10/15/01 130.08 <br /> CPT-8 08/30/04 149.93 <br /> CPT-9 1 08/30/04 150.10 <br /> Notes: <br /> -=not applicable or not available <br /> bgs=below ground surface <br /> CMT=continuous multi-channel tubing <br /> Elevations are in US survey feet,Vertical Datum is NAVD 88 <br /> EW-1 through EW-17 are nested in the same respective boreholes as SP-1 through SP-17 <br /> PPDT=pore pressure dissipation test <br /> SCH.40 PVC=schedule 40 poly-vinyl chloride <br /> TOC=top of casing <br /> Stockton Charter Way Commingled Plume Soil Boring and Well Construction Details.xls Page 7 of 7 Stantec <br />