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SECOR <br /> International IncoWfvied <br /> Logged By. Date Drilled: Drilling Contractor Project Name: Method/Equipment: Wel:Number: <br /> *- Hollow Stem Auger <br /> B.Miller 4/1/04 Cascade Drilling139 S.Center St.,Stockton,Ca CME-75 MVV-15D <br /> Sec"Legend to Logs"forBorinSurface Groundwater Depth(ft): Total Drive <br /> �S method, Diam(ign.): Elev.(ft): V-24.5 First Encountered Depth(ft.): A-L(lbs.): Disl(�rt): <br /> testing methods d laboratory 10 <br /> 51.0 140 30 <br /> .. u M <br /> Well Details Description a <br /> g 8v <br /> a <br /> 5/5 6.7 <br /> 4"Sch.40 <br /> PVC Set In <br /> Portland <br /> Cement 30 <br /> SANDY CLAY(CL):Continues 4/5 9.6 <br /> 40 35 SANDY CLAY(CL):Continues 5/5 20.3 <br /> ------------------------------------ <br /> SILTY CLAY(CL):Dark greenish gray(Gley] 4/l0Y);low plasticity fines; <br /> ♦%A strong hydrocarbon odor- <br /> 40-- <br /> 415 <br /> dor.404/5 109 <br /> Hydrated lo oo <br /> Bentonite o o o ___ ___ <br /> Ct»Ps CLAYEY SFLT(11iL,):Very dark greenish gray(Gley] 3/SGY);non-plastic <br /> fines;moist to wet;strong hydrocarbon odor. <br /> #2/16 Sand 45 <br /> 4/5 193 <br /> 0.01"Slotted <br /> : 4"Sch.40 <br /> PVC Screen SAND(SP):Greenish black(Gley] 2.5/5G);fine to medium-grained sand; <br /> wet;very strong hydrocarbon odor. <br /> 610 <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 hlarch/April 2004 Log of Well <br /> CH90557.GP) Approved by <br /> LOG OF BOREHOLE <br /> Figure 15 (sheet 2 of 3) <br />