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Project: ARCO Station # 2168 Log of Extraction Well/Sparge Well: <br /> Location: 441 West Charter Way,Stockton,CA Project Number: 38466562 EW-8/SP-8 <br /> Drilling Contractor: Woodward Drilling Drilling Method: Hollow Stem Auger Borehole Name: EW-B/SP-8 <br /> Dates Drilled: 1118/05 Well Construction Date: 1118105 Logged By: Scott Lookingbill,R.G. <br /> s <br />{ _ Borehole Diameter: 10-inch Casing Diameter: EW-2-inch;SP-1-inch Type: SCH 80 PVC Checked By: Vem Elarth,R.G. <br /> Total Depth Drilled: 39 feet Screen Interval: EW-15-25;SP-36-36' Slot Size: 0.020-inch Sampling Method: CA Modified Split Spoon <br /> Comments: <br /> a <br /> U i m <br /> a <br /> L° <br /> Z Sample ID a F UMOLOGY DESCRIPTION WELL CONSTRUCTION <br /> 0 <br /> i d Clay(CL). Light yellowish brown,hard,medium plasticity,no odor, EW well secured with D <br /> 2 moist. pressure cap;SP well <br /> u secured with slip cap <br /> U pending system <br /> installation <br /> 5 X <br /> . E 305 <br /> Neat Cement <br /> i <br /> 2-10 ft <br />' <br /> 54 Silt(ML). Light yellowish brown,hard,non-plastic,dessicated,no 10 <br /> Bentonite SeaE <br /> odor,dry to damp. 10-12 ft <br /> E IS jr <br /> E 32 Minor sand. ;,; : IS <br /> �S P;;. EW-8 <br /> #jt <br /> Clayey Silt <br /> Y Y (h'B-). Light yellowish brown,firm,low plasticity,no odor, :�;, 2-inch SCH 80 PVC, <br /> { ftp• :: 0.020-inch Slot <br /> 1{ l Screen 15-25 ft <br /> —20 <br /> f 14 EW-8-20 1125 #3 Filter Pack Sand <br /> 12-26 ft <br /> 5z <br /> 25 Clay(CL). Olive gray,hard,high plasticity,moderate hydrocarbon- <br /> 16 like odor,saturated. "`•'' 25 <br /> Bentonite Seal <br /> 26-31 ft <br /> 30 <br /> I 35 Very hard,slight hydrocarbon-like odor,moist. 30 <br /> SP-8 <br /> r 1-inch SCH 8o PVC, <br /> 0.020-inch Slot <br /> Screen 33-35 ft <br /> 35 Clayey Silt(ML). Bluish gray,stiff,low plasticity,moderate #3 Filter Pack Sand <br /> 30 hydrocarbon-like odor,saturated. i 31-36 ft 35 <br /> Ix 54 <br /> X15 Silty Sand(SM). B36luish gray, Bentonite Seal <br /> 9 39 ft <br /> 1 <br /> a <br /> l <br /> E r <br /> j <br /> C <br /> U�M�170r,'—.y Dartsm.,see 300acrmnento,C1 956331&67 -200p <br />