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SECOR <br /> Intemational Incorporated <br /> Logged By: Date Drilled: Drilling Contractor Project Name: Method/Equipment: Well Number: <br /> ., CM/SJ 118/02 V&W CHEVRON#9-1452 HOLLOW STEM AUGER <br /> RIPON,CA SPLITSPOON MW-7D <br /> See"Legend to Logs"for goring Surface Groundwater Elevation ft. Total <br /> sampling method, Diam.(in.): Elev.(ft.): Q { )' Drive Drop <br /> classifications and laboratory 39.22 Depth(ft.): wt.(lbs.): Dist.(in.): <br /> testin methods 8 70.02 55.0 140 30 <br /> Well <br /> Construction o Description <br /> No sample taken. <br /> 30 <br /> ° 35 <br /> 10 <br /> 23 ; SAND(SW):brown(10YR5/3),fine-to medium-grained sand with trace <br /> 32 coarse-grained sand,moist,well graded(0,100,0,0). <br /> SILT(NII.):dark yellowish brown(10YR4/6),fine-grained sand,medium <br /> A a,• 5 plasticity,high toughness,moist,weak subangular blocky soil structure in 0 <br /> •; I1 zones(0,5,75,20). <br /> 16 <br /> 40 <br /> 13 0 <br /> 16 <br /> 19 <br /> BENTONM 9 0 <br /> SEAL 13 SILT(ML):dark yellowish brown(10YR4/6),fine-grained sand,medium <br /> 17 plasticity,high toughness,weak subangular blocky soil structure in zones <br /> SAND 45 (0,5,75,20). <br /> 9 0 <br /> 13 <br /> 15 SILTY SAND(SM):dark yellowish brown(10YR3/4),fine-grained sand, <br /> 0.020" medium toughness,moist(0,80,20,0). <br /> SLOTTED SILTY SAND(SM):brown(10YR4/3),fne-grained sand,high toughness, <br /> SCREEN 10 wet,subangular blocky soil structure(0,75,25,0). 0 <br /> 14 <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 conditi ovations or times. <br /> Project No. 77CH.43602.00.0203 Date 2/5/02 PR SCpTT 4 � Log of Wel <br /> 4t GABLE cn <br /> 91452W7D.GP1 cc -'{ Approved by • <br /> LOG OF BOREHOLE • No. 636 • <br /> Nr, <br /> Exp. Figure (sheet 2 of 3) <br /> CA <br />