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SECOR <br /> Inte-aj na!Inco rated <br /> egged By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> • CHEVRON 9-9840 SPLIT SPOON <br /> EG 4/12/02 WATERMARK STOCKTON, CA HOLLOW STEM AUGER MW-4 <br /> See"Legend to Logs"for Bing Surface Groundwater Depth(ft) Total Drive Drop <br /> same ing method, Diam(in) Elev(ft) 67 5 FIRST Depth(ft} wt(lbs) Dist(in) <br /> classifications and laboratory <br /> testin methods 8 323S 750 140 30 <br /> _ 0 <br /> Well z <br /> Construction �0 � aCU <br /> Description <br /> 12 CLAYEY SILT(ML) dark yellowish brown(10YR4/4),low 0 <br /> 14 plasticity,medium stiff,moist,no odor,calcium deposits(0,5,75,20) <br /> 4 4 18 <br /> v o <br /> a 55 8 Grades yellowish brown(10YR5/4)(0,0,90,10) 0 <br /> 13 <br /> BENTO 16 <br /> SEAL <br /> SAND <br /> 60 15 Grades dark yellowish brown(10YR4/4)(0,5,90,5) 0 <br /> SCREEN 14 <br /> INTERVAL 16 <br /> 65 13 Grades to increasing fine--grained sand,stiff(0,20,80,0) MW4 <br /> 21 @65' <br /> 26 <br /> 70 8 SILTY SAND (SM) dark brown(10YR3/3),fine-grained sand, <br /> 10 medium dense,wet,poorly sorted,no odor(0,85,15,0) <br /> 12 <br /> i <br /> i <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during drilling Predominant matenal 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 Descnptions 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 43580 00 0203 Date 6/17/02 PR Log of Well <br /> 99840MW4 GPJ Figure <br /> LOG OF$oREHoLE <br /> (sheet 3 of 4) <br />