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Conestoga-Rovers&Associates BORINGMELL LOG <br /> 19449 Riverside Drive, Suite 230 <br /> s'" .. Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME MW-3 <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House, NBH C&D DRILLING STARTED 19-Jan-09 <br /> LOCATION Tracy,CA DRILLING COMPLETED 04-Feb-09 <br /> PROJECT NUMBER 060222 WELL DEVELOPMENT DATE(YIELD) 22-Sep-09(60.5 gallons) <br /> DRILLER Gregg Drilling,C-57#485165 GROUND SURFACE ELEVATION 94.88 It above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 97.41 ft above msl <br /> BORING DIAMETER 10" SCREENED INTERVAL 20 to 34.9 fbq <br /> LOGGED BY S.Phillips DEPTH TO WATER(First Encountered) 28.0 ft(04-Feb-09) <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 29.66 ft(30-Sep-09) 1 <br /> REMARKS Air knifed to 5 fbq. Above ground construction consisting of a 2 ft.Stovepipe. <br /> U N U F- 0) <br /> CL OZ 0- W Q UC SOIL DESCRIPTION Z= WELL DIAGRAM <br /> _j DF mU Q W U U UW <br /> Uopsol: U <br /> SOD. 0.5 <br /> SILT with Sand(ML);dark yellowish brown(10YR 4/6); <br /> dry;45%clay,35%silt,20%sand;medium plasticity. <br /> @ 4'-brown(10YR 4/3). <br /> 1.4 i Mw -3 s 5 @ 5'-35%clay,45%silt,20%sand. <br /> e <br /> Portland Type 1/II <br /> @ 9'-dark grayish brown(10YR 4/2). <br /> 2.2 4 MW-3-10 10 ML <br /> o 4 yellowish brown(10YR 5/4). <br /> 0.3 5 MW-3-15 15 <br /> 0 <br /> �? Bentonite Seal <br /> J <br /> Q S <br /> LL <br /> w a Monterey Sand <br /> 9 20.0 #2/12 <br /> 1.6 16 MW-3-20 20 Sandy SILT(ML);dry;20%clay,45%silt,35%sand; <br /> N MLS medium plasticity. <br /> 0 22.5 <br /> Silty SAND(SM);brown(7.5YR 4/3);moist;30%silt, <br /> 0 70%sand. <br /> w 3 <br /> $ 1.6 9 MW-3-25 25 <br /> i <br /> N <br /> SM 4"-diam.,0.020" <br /> i - Slotted Schedule <br /> 40 PVC <br /> o z @ 24'-yellowish brown(10YR 5/4);wet. 1 <br /> Q2 MW-3-30 30 <br /> 2 <br /> 9 <br /> w 32.5 <br /> SILT with Sand(ML);brown(10YR 5/3);dry;30%clay, <br /> 3 ML 50%silt,20%sand. <br /> 0 6 <br /> O <br /> 0 1.3 6 MW-3-35 35 35.5 <br /> U) <br /> Bottom of <br /> Boring @ 35.5 <br /> o ft <br /> J <br /> J <br /> 40 <br /> PAGE 1 OF 1 <br />