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SECOR'rncorpomtrd <br /> • Logged By. Date Drilled: Drilfing Contractor Project Name: Method/ uipment: Weil Number: <br /> *- Hollow Stem Auger <br /> B.Miller 3/31/04 Cascade Drilling 139 S.Center St.,Stockton,Ca CME-75 M%V-14 <br /> See"Lsgend to Logs"forBoring Surface Groundwater Depth(fL): TOW Drive <br /> g Diam(in.): Elev.(fL): 24,5 First Encountered Depth(ft.): wL(lbs.): Du�): <br /> classiticauons and laboratory <br /> testiniz methods 8 30.0 140 30 <br /> � C m <br /> Well Details $ = Description a <br /> � o � <br /> 12-inch Soil Surface <br /> traffic rated <br /> welt box. <br /> Location was vacuum cleared to 87"bgs on 3/29/2004. <br /> 5 7.5 --- -- --- <br /> SILTY CLAY <br /> (CH):Brown( YR,4f3);90%high plasticity fines; 10% <br /> medium-grained sand;Damp;stiff;mixed with nubble used as fill,no <br /> hydrocarbon odor. <br /> 13 ori LO S. fd W-1�f� 15 <br /> 2"Sch.40 S A, 14 1'j <br /> PVC Set In <br /> Portland <br /> . Cement 10 <br /> 5/5 0.5 <br /> SANDY CLAY(CL):Yellowish brown(IOYR,5/4);80%medium plasticity <br /> fines;20%fine to medium-grained sand;trace black staining;damp;stiff; no <br /> hydrocarbon odor. <br /> 15 <br /> 5/5 0.5 <br /> Hydrated <br /> Bentonite <br /> Chips <br /> CLAY WITH SAND(CL)Brown(I OYR,5/3);505/o low plastic fines;50% <br /> #2/16 Sand hine to medium-grained sand;damp;no hydrocarbon odor. <br /> 20 SANDY CLAY(CL):Brown(IOYR,5/3);80%medium plasitic fres;20% 4/5 0.3 <br /> fine-grained sand;damp;stiff;no hydrocarbon odor. <br /> 0.01"Slotted <br /> 2"Sch.40 <br /> PVC Screen <br /> -40 <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during drilling. Predominant material types shown on the log may contain different materials and the change from <br /> one predominant material type to another could be different than indicated. Descriptions on this log apply only at the specific location <br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times. <br /> • Project No. 77CH.90557.04 Date March/April 2004 Log of Well <br /> CH90557.M Approwd by <br /> LOG OF BOREHOLE <br /> Figure 14 (sheet 1 of 2) <br />