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SECOR <br /> IntemaUonal Incorporated <br /> Logged By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> V &W RANCH MARKET HOLLOW STEM AUGER <br /> BC 719102 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 44 0 140 30 <br /> testingmethods <br /> Well " N z° <br /> 3 Description <br /> Construction a = o - <br /> o Q <br /> V) <br /> 47 SAND (SP) gray(2 5Y5/1),medium-grained,subrounded to round, 0 S-13 <br /> medium dense,moist,no hydrocarbon odor(0,100,0,0) 25' <br /> 0 75"SCH <br /> 80 PVC <br /> CASING <br /> 30 <br /> 29 CLAYEY SAND (SC) brown(10YR4/3),fine-grained sand,low 0 S-13 <br /> plasticity,medium dense,wet,no hydrocarbon odor(0,60,10,30) 30' <br /> b A <br /> BENTONITI <br /> SEAL <br /> HEAVED <br /> SAND <br /> 35 5016" SAND (SW). olive brown(2 5Y4/4),medium-to coarse-grained 0 S-13 <br /> • sand,80%medium-grained,20%coarse-gramed,subrounded to round, <br /> BENTONM gravel to 1/2-inch diameter,subrounded,dense,saturated,no <br /> SEAL hydrocarbon odor(15,85,0,0) <br /> #3 SAND <br /> 2" <br /> - — — SPARGE — <br /> POINT 40 <br /> Driller reports cobbles to 44 feet <br /> 45 <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 01.0003 Date 8/21/02 PR Log of Well . <br /> RM—S 13 GPI Figure <br /> LOG OF BOREHOLE <br /> (sheet 2 of 2) <br />