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Po a Conestoga-Rovers&Associates BORING/WELL LOG <br /> 19449 Riverside Drive, Suite 230 <br /> Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> �r Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGIWELL 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-Sea-09 <br /> Continued from Previous Page <br /> V) 0 F- U ~ <br /> 0 CR <br /> Q O o w 0_0 SOIL DESCRIPTION Z= WELL DIAGRAM <br /> UL m0 Q W 0w <br /> rn U O <br /> 9 MW-15.20 SILT(ML);light olive brown(2.5Y 5/4);dry;firm;20% <br /> 13 clay,70%silt, 10%sand;low to medium plasticity. <br /> 0.0 21'-Sandy SILT(ML); 10%clay,50%silt,40%fine Monterey Sand <br /> @ Y, #vi 2 <br /> sand;low plasticity. <br /> a <br /> @21.5'-SILT(ML);dry; hard;20%clay,75%silt,5% <br /> 10 fine sand; low to medium plasticity. <br /> 13 <br /> s <br /> @23'-hard;caliche. <br /> 7 <br /> ML @24'-Sandy SILT(ML);moist;soft; 10%clay,60%silt, <br /> 30%fine sand;low plasticity. <br /> 5 MW-15-25 25— @25'-15%clay,55%silt,30%fine sand;low plasticity. <br /> 7 <br /> @26.5'-SILT with Sand(ML);20%clay,65%silt, 15% 1 <br /> 4 fine sand;low plasticity. <br /> 4 S <br /> 5 @27.5'-Sandy SILT(ML);wet; 15%clay,55%silt, <br /> 28.0 <br /> 3 30%fine sand' low plasticity. <br /> 4 Silty SAND(SM);light olive brown(2.5Y 5/4);wet; <br /> loose;45%silt,55%fine to medium sand. <br /> 0 <br /> SM 2"-diam.,0.020" <br /> Slotted Schedule <br /> MW-15-30 30 40 PVC <br /> o 6 <br /> 31.0 <br /> ML Sandy SILT(ML);dark olive brown(2.5Y 3/3);moist to 31.5 <br /> LL wet 20%cla 50%silt 30%fine sand'medium lastici <br /> oSAND with Silt(SP-SM);dark olive brown(2.5Y 3/3); <br /> wet; 10%silt,90%fine to medium sand;block structure. <br /> M <br /> SP-SM <br /> x <br /> X. <br /> z <br /> N <br /> N 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 /> W 35 caliche. <br /> U <br /> ML <br /> 0 <br /> t MW-15-36 <br /> N <br /> N <br /> 37.0 <br /> i <br /> 0 <br /> 0 <br /> Bottom of <br /> a Boring @ 37 ft <br /> x <br /> U <br /> W <br /> N <br /> t <br /> 40 <br /> 0 <br /> z <br /> 0 <br /> a <br /> a <br /> O <br /> O <br /> J <br /> J <br /> J <br /> PAGE 2 OF 2 <br />