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Project: ARCO Station # 2168 <br /> F Location: 441 West Charter Way,Stockton,CALog of Monitoring wen: <br /> Project Number: 38466562 <br /> Drilling Contractor: Woodward Drilhn MW-10 <br /> g Drilling Method: Hollow Stem Auger _ <br /> Dates Drilled: 11/I5/05 Borehole Name: mW-JO <br /> Borehole Diameter: 8-inWell Construction Date: ]1/15/OS <br /> ch Logged BY: Scott I.00kingbill,R.G. <br /> Casing Diameter: 2-inch <br /> Type: SCH 40 PVC Checked By: Vern Elarth,R.G. <br /> Total Depth Drilled: 32.5 feet <br /> Screen Interval: 17-32 feet <br /> Comments: mplSlot Size: 0.020 inch Saing Method: CA Modified Split Spoon <br /> h A <br /> O^. <br /> o � <br /> vt x Sample ID j <br /> 0 LrrHOLOGY DESCRUMON WELL CONSTRUCTION <br /> Silly Clay(CL). Light yellowish brown,hard,low plasticity, <br /> damp, p ty,no odor, 6-inch flush mount 0 <br /> U <br /> traffic grade vault boa <br /> � Well secured with 2- <br /> inch locking pressure <br /> cap <br /> 5 0.0 <br /> 5016 <br /> 5 <br /> Neat cement from <br /> near surface to 12 ft <br /> Silt(ML). light yellowish brown,non plastic,very hard,no odor,dry <br /> 50/6 <br /> 10 0.0 to damp. <br /> t <br /> J <br /> 10 <br /> t <br /> 15 <br /> Bentonite Seal 5016 0'0 Trace sand,damp. 12-15 ft <br /> 15 <br /> — Clayey Silt(ML). Light olive brown,stiff,minor very fine gained <br /> sand,no odor,moist. <br /> 2.7 <br /> 23 MW-10-20 0825 20 <br /> 1 <br /> MW-10 <br /> 4.5 ::• 2-inch SCH 40 PVC, <br /> 20 <br /> 0.020-inch Slot <br /> 25 <br /> Screen 17-32 ft <br /> #3 Filter Pack Sand <br /> I5-315 ft <br /> Silty Clay(CL). Greenish gray,hard,medium plasticity,slight <br /> 30 hydrocarbon-like odor,saturated, <br /> 0.0 <br /> 16 <br /> 30 <br />_fir. F <br /> I <br /> { 2970 Gateway Oaks Dr.,Ste 300 <br /> Sacrautemo,CA 95833 <br /> 916619-2000 <br />