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Conestoga-Rover, ssociates BGRING/VIIELL 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 BORING/WELL NAME MW-15 <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House NBH B DRILLING STARTED 01-Sep-09 <br /> LOCATION Tracy California DRILLING COMPLETED 09-Sep-09 <br /> Continued from Previous Page <br /> U O ~ 2 n U F o <br /> n 0Z w ui rn U <br /> O m 0 X w C6 O SOIL DESCRIPTION Z WELL DIAGRAM <br /> Q._ c) < w c7 O 0- <br /> ULU <br /> s MW-15-20 SILT(ML);light olive brown(2.5Y 5/4);dry;firm;20% <br /> clay,70%silt, 10%sand;low to medium plasticity. <br /> 0.0 @21'-Sandy SILT(ML); 10%clay,50%silt,40%fine uy t2erey Sand <br /> sand;low plasticity. <br /> e <br /> @21.5'-SILT(ML);dry; hard;20%clay,75%silt,5% <br /> is fine sand;low to medium plasticity. <br /> a <br /> s @23'-hard;caliche. <br /> 7 <br /> ML <br /> @24'-Sandy SILT(ML);moist;soft; 10%clay,60%silt, <br /> 30%fine sand;low plasticity. <br /> s Mw•lszs 25 @25'-15%clay,55%silt,30%fine sand;low plasticity. <br /> r <br /> @26.5'-SILT with Sand(ML);20%clay,65%silt, 15% Z <br /> 4 fine sand;low plasticity. <br /> s S <br /> @27.5'-Sandy SILT(MLI'wet;15%Gay,55%silt, 28.0 <br /> 4 30%fine sand'low lastici <br /> a Silty SAND(SM);light olive brown(2.5Y 5/4);wet; <br /> loose;45%silt,55%fine to medium sand. <br /> a SM <br /> e 2'-diam.,0.020" <br /> 7 MW-15-30 30 Slotted Schedule <br /> F_ e 40 PVC <br /> 31.0 <br /> Z' ML Sandy SILT(ML);dark olive brown(2.5Y 3/3);moist to 31.5 <br /> wet'20%clay,50%silt 30%fine sand'medium plasticity, <br /> D - SAND with Silt(SP-SM);dark olive brown(2.5Y 3/3); <br /> a wet; 10%silt,90%fine to medium sand;block structure. <br /> m <br /> SP-SM <br /> z <br /> N <br /> N <br /> r+ 34.0 <br /> SILT(ML):olive brown(2.5Y 4/4);wet;30%clay,65% <br /> silt,5%fine sand;medium plasticity; block structure; <br /> 35 caliche. <br /> U <br /> 8 ML <br /> � M W 15-36 <br /> 0 <br /> � 37.0 <br /> N <br /> O <br /> rr Bottom of <br /> Y Boring @ 37 ft <br /> w <br /> x <br /> $ 40 <br /> C <br /> 0 <br /> D <br /> E <br /> Ll <br /> 0 <br /> 0 <br /> PAGE 2 OF 2 <br />