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SECOR <br /> Intf-whonalIncorporated <br /> =BC <br /> ate Drilled Drilling Contractor Project Name Method/Egmpment Well Number <br /> • V &W RANCH MARKET HOLLOW STEM AUGER <br /> 7/9102 DRILLING RIVERBANK,CA SPLIT SPOON S-13 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Dram(in) Elev(ft) 30 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory 8 440 140 30 <br /> testing methods <br /> Well � z <br /> Construction a o Description <br /> TRAFFIC No samples collected to 20 feet <br /> RATED <br /> WELL BOX <br /> a GROUT <br /> 5 <br /> e o <br /> r r <br /> A ¢ I <br /> a e <br /> r r <br /> 10 <br /> O O <br /> t t <br /> tl tl <br /> a a <br /> Driller reports cobbles from 13 to 14 feet <br /> 15 <br /> b a <br /> r. <br /> a b <br /> w t <br /> b b <br /> 20 37 SILTY SAND(SM) dark grayish brown(10YR4/2),fine-to NA S-13 <br /> a o <br /> medium-grained sand,low plasticity,medium dense,moist,no 20' <br /> hydrocarbon odor(0,80,15,5) <br /> v o <br /> r t <br /> a a <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 770T 43622 010003 Date 8/21/02 PR Log of Well <br /> RK-S 13 GPJ Figure <br /> LOG OF BOREHOLE <br /> (sheet 1 of 2) <br />