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S EC: OR <br /> Logged By: Date Drilled: Drilling Contractor Project Name: Method/Equipment: Well Number: <br /> 7-Eleven#19976 <br /> C.Ryr:n 11/28/06 Gregg Drilling Manteca,CA Limited Access Rig SP-3 <br /> Boring Surface Groundwater Depth(11 Total Drive Drop <br /> Diam.(in.): Elev.(ft.): $[ 20 First <br /> Depth(ft.): wt.(]bs.): Dist.(in.): <br /> 2 40.0 140 30 <br /> `�' <br /> Well wDescription <br /> Construction a P <br /> : strong HC odor,hard cemented streaks with root casts(<I mm), <br /> (0,70,30,0) <br /> SILTY SAND(SM-ML): Brown(10YR 4/3),very fine grained 2.4 SP-3 1122 <br /> sand,well graded,subangular,medium plasticity,damp,no HC @30' <br /> 30 odor,(0,20,80,0) <br /> BENTONITE <br /> 0.5 SP-3 1130 <br /> 43 SAND @35' <br /> 35 SAND(SP-SW): fine to medium grained,moderately graded, <br /> subangular,saturated,no HC odor,loose,micaceous,(0,100,0,0) <br /> Ceramic-Stee <br /> cpargeTip <br /> SILTY CLAY(CL): high plasticity,medium toughness,damp, 0.2 SP-3 1134 <br /> firm,no HC odor,(0,5,35,60) 0.0 @38' 1136 <br /> SAND(SP)grades into SILT(ML): Grayish Brown(IOYR 5/2), ��' <br /> 40 fine grain sand,medium plasticity, low toughness,wet,firm,no HC <br /> odor 0 5 95 0 <br /> 45 <br /> The sub:,trata 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 /> ProjectNo. 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 2 of 2) <br />