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Conestoga-Rovers&Associates BORINGMELL LOG <br /> 19449 Riverside Drive, Suite 230 _ <br /> Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME MW-9 <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House,NBH C&D DRILLING STARTED 20-Jan-09 <br /> LOCATION Tracy,CA DRILLING COMPLETED 22-Apr-09 <br /> PROJECT NUMBER 060222 WELL DEVELOPMENT DATE(YIELD) 25-Sep-09(96.0 gallons) <br /> DRILLER Gregg Drilling,C-57#485165 GROUND SURFACE ELEVATION 96.12 ft above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 99.40 ft above msl <br /> BORING DIAMETER 10" SCREENED INTERVAL 25 to 40 fbq <br /> LOGGED BY S.Phillips DEPTH TO WATER(First Encountered) 30.0 ft(22-Apr-09) <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 32.08 It(30-Sep-09) 1 <br /> REMARKS Air knifed to 5 fbq. Above ground construction consisting of a 2 ft.Stovepipe. <br /> H U F_ 0) <br /> � O Z a W w o p SOIL DESCRIPTION Z? WELL DIAGRAM <br /> d 0]O0 < W OUW <br /> SILT(ML);brown(10YR 4/3);Dry;30%clay,60%silt, <br /> 10%medium to coarse sand;medium plasticity. <br /> ML <br /> 5.0 <br /> 0.0 14 MW-9-5 5 SILT(ML);yellowish brown(10YR 5/4); Dry;30%clay, <br /> 26 60%silt, 10%very fine sand;medium plasticity. <br /> ML <br /> 10.0 <br /> 0.0 9 MW -9-10 10 SILT ML ;yellowish brown(10YR 5/4); Dry;30%clay, Portland Type 1/11 <br /> 12 60%silt, 10%medium to coarse sand;medium plasticity. <br /> ML <br /> 15.0 <br /> 0.0 16 MW-9-15 15 SILT(ML);dark yellowish brown(10YR 4/4);Dry;40% <br /> s 79 clay,60%silt;medium plasticity. <br /> ML <br /> 0 <br /> 20.0 <br /> a 0.0 17 MW- 9-20 20 SILT(ML);yellowish brown(10YR 5/4);Dry;30%clay, <br /> 0 21 55%silt, 15%fine to coarse sand;medium plasticity. <br /> Bentonite Seal <br /> a' ML <br /> N 25.0 <br /> 0 0.0 9 <br /> MW-0-25 z5 25 Silty SAND(SM); yellowish brown(10YR 5/4);moist; <br /> 10 10%clay,55%silt,35%fine to coarse sand. <br /> 0 <br /> SM <br /> + Q 30.0 <br /> o 0.p 1� MW-9-30 30 Silty SAND ISM); dark yellowish brown(10YR 4/4); <br /> 0 19 moist; 10%clay,35%silt,55%fine to coarse sand. Monterey Sand <br /> o SM = #2/12 <br /> 0 2"-diam.,0.020" <br /> U) Slotted Schedule <br /> a35.0 40 PVC <br /> `_' 0.0 16 MW-9-35 35 Silty SAND(SM); dark yellowish brown(10YR 4/4); <br /> W 77 wet; 100%fine to coarse sand. <br /> x <br /> SW <br /> 0 <br /> 0 <br /> 0 0.0 11 MW-9- 40-- 40.0 <br /> 15 39.5 <br /> a Bottom of <br /> Boring @ 40 ft <br /> 0 <br /> J <br /> J <br /> J <br /> 45 <br /> PAGE 1 OF 1 <br />