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SECOR <br /> Internatal Incor <br /> porated <br /> =EG4/12/02 <br /> ate Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> CHEVRON 9-9540 SPLIT SPOON <br /> WATERMARK STOCKTON,CA HOLLOW STEM AUGER MW-5 <br /> see"Legend to Logs"for Bonng Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Drain(m) Elev(ft) SZ 67 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory 8 3256 750 140 30 <br /> testin methods <br /> Welt z <br /> Construction o Description <br /> a as <br /> Q <br /> "TRAFFIC Concrete,fill material <br /> • RATED <br /> WELL BOX <br /> I <br /> v n <br /> 5 3 CLAYEY SILT <br /> (ML) very dark grayish brown(10YR3/2), 0 <br /> 4 fine-grained sand,medium plasticity,soft,moist,no odor(0,10,60,30) <br /> 6 <br /> A A <br /> e a <br /> r <br /> 10 5 Grades to brown(10YR4/3),low plasticity(0,0,60,40) 0 <br /> v v <br /> e r 7 <br /> 12 <br /> ., GROUT <br /> 0 O <br /> s . <br /> 15 3 SILTY CLAY(CL) dark yellowish brown(10YR4/4),low 0 <br /> i+ P <br /> 6 plasticity,soft,moist,no odor(0,0,40,60) <br /> 5 <br /> a a <br /> t r <br /> A A <br /> a a <br /> a <br /> 20 5 Grades to silty sand,medium plasticity,loose,at 20 5 feet 0 <br /> 6 <br /> 8 <br /> P P <br /> o b <br /> rr <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 location <br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times 1D G <br /> . Project No 77CH 43580 00 0203 Date 6/17/02 PR Log Of SCQT� Q <br /> Tu GABLE <br /> 99840MW5 GPJ Figure No 63 n <br /> LOG OF BOREHOLE <br />