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Conestoga-Rovers ssociates BORINGMIELL LOG <br /> t_ 19449 Riverside Drive, Suite 230 <br /> Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> -y, Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGIWELL NAME MW-11 <br /> JOBISITE NAME Former Shell Pipelines-Mountain House NBH B DRILLING STARTED 02-Sep-09 <br /> LOCATION Tracy,California DRILLING COMPLETED 10-Sep-09 <br /> Continued from Previous Page <br /> U) o ULU F rn <br /> o Co o X w a J SOIL DESCRIPTION r= WELL DIAGRAM <br /> IL U w OUQ <br /> co <br /> 1.0 4 MW-1 1-20 SAND(SW);light olive brown(2.5Y 5/4); moist; loose; <br /> 5 5%sift,85%fine to coarse sand, 10%fine gravel;sand Bentonite Seal <br /> Svv with angular and rounded gravel up to 1 inch in diameter. <br /> Mont <br /> 21.5 <br /> SlIty SAND(SM);yellowish brown(10YR 5/4);dry; <br /> e SM medium dense;45%silt,55%very fine sand;caliche; iron <br /> e staining. <br /> 23.0 Monterey Sand <br /> 0.0 11 7 Sandy SILT(MIL ;yellowish brown(10YR 5/4);moist, Mont <br /> 11 hard;10%clay,50%silt,40%very fine sand;low <br /> plasticity;caliche. <br /> ML <br /> 0.3 44 Mw-11-25 25 @25'-soft. <br /> 4 <br /> _ 26.0 <br /> Silty SAND(SM);yellowish brown(10YR 5/4);wet; <br /> loose;45%silt,55%fine sand. <br /> 3 SM <br /> S <br /> a <br /> 28.0 <br /> 0.0 5 SILT(MU:yellowish brown(10YR 5/4);wet;soft-,20% 1 <br /> 5 clay,75%silt,5%fine sand;medium plasticity. - <br /> o - <br /> ij <br /> 530 _ 2"-diam.,0.620" <br /> 0.4 6 Mw-1130 @30'-yellowish brown(10YR 5/4);wet;soft;25%clay, Stoned schedule <br /> 7 70%silt,5%fine sand;medium plasticity;block structure. ao PVC <br /> @31'-yellowish brown(10YR 5/4);moist;soft;30%clay, <br /> LL ML 70%silt,medium plasticity. <br /> ui <br /> s @32'-dry,soft. <br /> G 5 <br /> (7 <br /> z 0.3 `e @33'-Sandy SILT(ML);yellowish brown(10YR 5/4); <br /> 5 wet;soft;10%clay,55%silt,35%fine sand;low plasticity. <br /> 0 <br /> b _ _ <br /> 35 ______ __________________ 35.0 <br /> W SAND with Silt(SP-SM);dark yellowish brown(10YR <br /> 4/4);wet;10%silt,90%fine to medium sand. <br /> ' 04 MW-1136 SP-SM <br /> o -011 Native Soil <br /> F, 37.0 <br /> i <br /> 0 <br /> C, Bottom of <br /> i Boring @ 37 ft <br /> U <br /> W <br /> z <br /> r <br /> 4C} l <br /> 2 <br /> z I <br /> z <br /> 0 <br /> 0 <br /> a <br /> C7 <br /> O <br /> J <br /> J <br /> WyJ <br /> PAGE 2 OF 2 <br />