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CV( <br /> Conestoga-Rovers ssociatesBORING/UVELL LOG <br /> 19449 Riverside Drive,Suite 230Sonoma,CA 95476 <br /> Telephone: 707-935-4850 0 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGIWELL NAME MW-10 _ <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House,NBH B DRILLING STARTED 03-Seo-09 <br /> LOCATION Tracy,California DRILLING COMPLETED 11-Sep-09 <br /> Continued from Previous Page <br /> (A U C) OD <br /> O -j w a p SOIL DESCRIPTION = WELL DIAGRAM <br /> o Ui <br /> m0 C7 00 <br /> 0.5 7 Mw-10.20 SILT(ML);olive brown(2.5Y 4/4);dry;firm;5%clay, <br /> e 90%silt,5%fine sand;low plasticity;block structure; <br /> 4 smooth. Monterey Sand <br /> 4 #2/12 <br /> 5 <br /> @22'-soft. <br /> 0.4 Q <br /> s ML @23'-Sandy SILT(ML);olive brown(2.5Y 4/4);dry; <br /> 5 soft;5%clay,65%silt,30%fine sbnd;low plasticity; <br /> caliche. <br /> @24'-SILT(ML);olive brown(2.5Y 4/4);dry;20%day, <br /> 75%silt,5%fine sand;medium plasticity. <br /> 14 MW-10-25 25 @25-hard. <br /> 20 <br /> O 26.0 <br /> Silty SAND(SM);brown(10YR 4/3);moist;hard;30% <br /> 7 4 SM silt,70%fine sand. <br /> 27.0 <br /> e SAND(SP);brown(10YR 4/3);wet;firm;5%silt,95% <br /> fine sand. <br /> SP <br /> 0.7 ' 28.5 ' <br /> SILT(ML);brown(10YR 4/3);dry;firm;30%clay,65% <br /> silt,5%fine sand;medium to high plasticity;caliche. <br /> 0 Z%dfam.,0.020" <br /> Slotted Schedule <br /> a Mw 10.30 30 @30'-brown(1 OYR 413);moist;soft;30%clay,65%silt, PVC <br /> 2.0 4 5%fine sand,medium to high plasticity. <br /> J <br /> Q <br /> LU <br /> ML <br /> a @32'-soft. <br /> 'a s <br /> (7 <br /> m <br /> _ <br /> @33'-SILT with Sand(ML);brown(10YR 4/3);moist; <br /> 20%clay,65%silt,15%fine sand;medium plasticity. <br /> N <br /> N <br /> O <br /> ________________________ 35.0 <br /> tu 35 — —Silty SAND(SM);brown(10YR 4/T);wet;40%silt,60% <br /> $_ <br /> fine sand. <br /> ` 2.8 Mw-10.36 SM <br /> N <br /> N <br /> 37.0 <br /> s <br /> Bottom of <br /> a Boring @ 37 ft <br /> x <br /> U <br /> m <br /> W <br /> x <br /> r <br /> 40 <br /> 0 <br /> 0 <br /> N <br /> O <br /> a <br /> c� <br /> 0 <br /> J <br /> J <br /> PAGE 2 OF 2 <br />