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S ECOR <br /> Logged By: Date Drilled: Drilling Contractor Project Name: Method/Equipment: well number: <br /> 7-Eleven#19976 <br /> C.Ryan 11/28/06 Gregg Drilling Manteca,CA Limited Access Rig SP-3 <br /> Boring Surface Groundwater Depth(ft.): Total Drive Drop <br /> Diam.(in.): Elev.(ft.): 20 First Depth(ft.): wt.(1bs.): Dist.(in.): <br /> 2 40.0 140 30 <br /> w <br /> Well 7. <br /> Description E� a <br /> Construction <br /> Cn <br /> TRAFFIC —Asphalt <br /> RATED Hand Auger to 5'bgs. <br /> WELL BOX <br /> Clayey Silt in hand auger cuttings,(0,5,50,45) <br /> 5 SAND(SP): Dark Brown(IOYR 3/3),fine grained,poorly graded, 0.0 SP-3 1105 <br /> subangular,non-plastic,damp,(0,95,5,0) @5' <br /> SILT w/VERY FINE SAND(ML): (0,15,85,0) 0.0 SP-3 1110 <br /> @10' <br /> 10 <br /> SANDY SILTY CLAY(CL): Strong Brown(10YR 4/6),medium 0.2 SP-3 1112 <br /> plasticity,low toughness,damp,firm,no HC odor,(0,20,30,50) @15' <br /> 15 <br /> GROUT <br /> CLAYEY SILT(ML): Strong Brown(IOYR 4/6),fine grain sand, 17.2 SP-3 1115 <br /> low plasticity,low toughness,damp,soft,no HC odor,(0,5,75,20) @20' <br /> 20 <br /> SILTY VERY FINE SAND(SM-ML): Brown(10YR 4/3),fine 156 SP-3 1120 <br /> grain,poorly graded,subangular,medium plastic fines,saturated, @25' <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. 77EL.19976.06.0603 Date 11/28/2006 Log of Well <br /> MW-8&SP-2,3.GPJ Figure <br /> LOG OF BOREHOLE <br /> (sheet 1 of 2) <br />