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• <br /> . Conestoga-Rovers soe23 BORING/WELL LOG <br /> 19449 Riverside Drives,Suite 230 <br /> V A Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGIWELL NAME MW-10 <br /> JOBISITE NAME Former Shell Pipelines-Mountain House NBH CBD DRILLING STARTED 20-Jan-09 <br /> LOCATION _ Tracy,CA DRILLING COMPLETED 20-Jan-09 <br /> PROJECT NUMBER 060222 WELL DEVELOPMENT DATE(YIELD) 21-Sep-09(13.0 gallons) <br /> DRILLER Gregg Drilling,C-57#485165 GROUND SURFACE ELEVATION 94.63 ft above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 97.42 ft above msl <br /> BORING DIAMETER 10" SCREENED INTERVAL 20 to 34.9 fbq <br /> LOGGED BY S.Phillips DEPTH TO WATER(First Encountered) 30.0 ft(20-Jan-09) -z <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 29.99 ft(30-Sep-09) 1 <br /> REMARKS Air knifed to 5 fbg. Above ground construction consisting of a 2 ft Stovepipe <br /> E � ~ 2 to U <br /> CL �4 W ZCL W S <br /> m O a. X W vi Q O SOIL DESCRIPTION = WELL DIAGRAM <br /> 4 U < W �v CO UW <br /> UO <br /> SOD. <br /> 0.5 <br /> SILT(ML);brown(10YR 4/3);dry;40%clay,55%silt, <br /> 5%sand;medium plasticity. <br /> @ 3'-dark yellowish brown(10YR 4/4);dry;20%clay, <br /> e 75%sift,5%fine sand. <br /> 0.0 ,°, Mw-10-5 5 @ 5'-brown(10YR 5/3). <br /> Portland Type NI <br /> 1.3 ,9z Mw-10-10 10 <br /> ML <br /> m <br /> 0 6 <br /> 1.8 144 MW tags <br /> 15— SILT with Sand(MIL);yellowish brown(10YR 5/4);dry; <br /> 0 20%clay,55%silt,25%fine to coarse sand;medium <br /> plasticity. <br /> Bentonite Seal <br /> J <br /> Q <br /> Uj <br /> W <br /> 10 Monterey Sand <br /> 1.8 1e Mw-�o-zo 20 @ 20'-20%clay,75%silt,5%fine sand. 12 <br /> N <br /> N <br /> N <br /> r) <br /> W <br /> 25.0 <br /> 1.8 2 Mw -tazs 25 Sandy SILT IML):dark yellowish brown(10YR 4/4); <br /> MLS moist;10%clay,60%silt,30%fine to coarse sand; <br /> — medium_plasticity.---------------- 27.0 <br /> Silty SAND(SM):dark yellowish brown(10YR 4/4); 2"-diam.,0.02T <br /> omoist;30%sift,70%fine to coarse sand. Slotted Schedule <br /> 40 PVC <br /> 0.0 u Mw-iaso 30 SM @ 30'-dark yellowish brown(10YR 4/6);wet. _ <br /> U <br /> h <br /> 5 <br /> s <br /> Z 0.0 7 Mw-to- 35 @ 34'-10%clay,40%silt,50%fine to coarse sand. 35.0 <br /> 0 34.s <br /> In <br /> 0 <br /> a Bottom of <br /> o Boring @ 35.5 <br /> ft <br /> 40 <br /> PAGE 1 OF r <br />