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Conestoga-Rovers&Associates BORING / WELL LOG <br /> 5900 Hollis Street, Suite A <br /> Emeryville,CA 94608 <br /> Telephone: 510-420-0700 <br /> Fax: 510-420-9170 <br /> CLIENT NAME Olympian JV BORING/WELL NAME MW-20 <br /> JOBISITE NAME JIMCO Truck Plaza DRILLING STARTED 12-Mar-10 <br /> LOCATION 1022 Frontage Road,Ripon,CA DRILLING COMPLETED 17-Mar-10 <br /> Continued from Previous Page <br /> u � r <br /> U <br /> a a F a 0-00 LITHOLOGIC DESCRIPTION �= WELL DIAGRAM <br /> o mC o j �� oa <br /> a c vai C7 U p t <br /> --- -------------------------- 21.8 <br /> Sandy,Silty CLAY: Moderate yellowish brown(10YR <br /> 5/4);wet;50%clay,35%silt, 15%fine to medium grained <br /> sand;medium plasticity;moderate estimated permeability. <br /> CL = Monterey Sand <br /> #2/12 <br /> 0.4 1� MW-20-25 - <br /> 1 25 4"-diam.,0.010" <br /> _ Slotted SchedWe 40 <br /> PVC <br /> — -------------------------- 26.0 <br /> Gravelly SAND: Moderate yellowish brown(10TY 5/4); <br /> wet;80%medium to coarse grained sand,20%gravel; <br /> non-plastic;high estimated permeability. SZ <br /> SW <br /> 0.3 ;y MW-20-30 <br /> :0 30 <br /> — <br /> ____________ 31.0 <br /> n Clayey SILT: Moderate yellowish brown(10YR 5/4) <br /> wet;20%clay,80%silt;low plasticity;low estimated <br /> o permeability. <br /> r, <br /> W ML <br /> 0 <br /> C7 <br /> 5 0.0 10 MW-20-35 - <br /> 12 35 35.0 <br /> 9 Bottom of Boring <br /> d @ 35 fbg <br /> m <br /> U , <br /> m ` <br /> h <br /> fo <br /> b <br /> tG <br /> W I <br /> f <br /> a <br /> n <br /> J <br /> J <br /> PAGE OF <br />