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Conestoga-Rovers&Associates BORING/WELL LOG <br /> 19449 Riverside Drive, Suite 230 <br /> Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGIWELL NAME MW-19 <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House,NBH B DRILLING STARTED 31-Auct-09 <br /> LOCATION Tracy,California DRILLING COMPLETED 08-Sea-09 <br /> Continued from Previous Page <br /> O U m <br /> CL O Z a a p SOIL DESCRIPTION z? WELL DIAGRAM <br /> a C6 <br /> °°O ZE< W c9 OU o <br /> 0.0 y MW-19-20 <br /> 9 <br /> _ _________________ __ ___ 21.3 Monterey Sand <br /> Silty SAND ISM);light olive brown(2.5Y 5/4);moist; #2/12 <br /> medium dense;5%clay,40%silt,55%fine sand. <br /> 7 <br /> 9 O SM <br /> 11 <br /> 0.0 i <br /> m 23.5 <br /> SP-SM IT, SAND with Silt(SP-SM);light olive brown(2.5Y 5/4); 24.0 <br /> moist medium dense;10%silt 90%fine sand. <br /> SILT(ML);light olive brown(2.5Y 5/4);dry;25%clay, <br /> 65%silt, 10%fine sand;medium plasticity;trace of sand. <br /> i Mw -1s-2s 25 @25'-firm. <br /> a <br /> ML <br /> 0 <br /> 3 <br /> 4 <br /> 3 SZ <br /> 27.5 <br /> Silty SAND(SM);brown(10YR 4/3);wet;loose;20% 1 <br /> s <br /> SM silt,80%fine to medium sand. <br /> 8 28.5 <br /> Sandy SILT(ML);brown(10YR 4/3);wet;firm; 10% <br /> clay,60%silt,30%very fine sand;low plasticity. <br /> 2 diam.,0.020" <br /> Slotted Schedule <br /> 0.0 Z MW-19-30 30 @30'-soft;medium plasticity. 40 PVC <br /> 0 <br /> 2 <br /> J <br /> LL <br /> W @31.5'-moist to wet. <br /> a O @32'-soft. <br /> 4 <br /> m ML <br /> z ; @33'-dry;firm;blocky structure. <br /> c4 8 <br /> N <br /> N <br /> Op <br /> O <br /> 7 <br /> LW) 0.0 6 MW-19-35 35 @35'-SILT with Sand(ML);brown(10YR 4/3);moist; <br /> 7 firm;20%clay,65%silt, 15%fine sand;medium plasticity; <br /> caliche. <br /> N <br /> N <br /> O <br /> 37.0 <br /> i <br /> 0 <br /> y Bottom of <br /> Boring @ 37 ft <br /> U <br /> W <br /> 7 <br /> < 40 <br /> 0 <br /> z <br /> 0 <br /> N <br /> O <br /> a <br /> CD <br /> 0 <br /> J <br /> J <br /> J <br /> PAGE 2 OF 2 <br />