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--- Conestoga-Rovers sociates <br /> BORING/WELL LOG <br /> 19449 Riverside Drive, Suite 230 <br /> Sonoma,CA 95476 <br /> r ' Telephone: 707-935-4850 <br /> �- Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME MW-2 <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House NBH C&D DRILLING STARTED 18-May-09 <br /> LOCATION Tracy CA DRILLING COMPLETED 19-May-09 <br /> PROJECT NUMBER 060222 WELL DEVELOPMENT DATE(YIELD) 25-Sep-09(30.0 gallons) <br /> DRILLER Gregg Drilling C-57#485165 GROUND SURFACE ELEVATION 95.54 ft above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 94 76 ft above msl <br /> BORING DIAMETER 8" SCREENED INTERVAL 23 to 38 fbg <br /> LOGGED BY S.Phillips DEPTH TO WATER(First Encountered) 28.0 ft(19-May-09) Q <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 27.25 ft(30-Sep-09) 1 <br /> REMARKS Air knifed to.9 fbg. <br /> E tDF U F m <br /> CX �l uj z F _ N = <br /> m O <br /> Q_ x W 6 Q O SOIL DESCRIPTION H= WELL DIAGRAM <br /> d U < W ZO W <br /> U ui <br /> SILT(ML);light olive brown(2.5Y 5/3);moist;20%clay, <br /> 75%silt,5%fine to medium sand;medium plasticity. <br /> 5 <br /> 0.0 MW-2-10 10 MLPortland Type 1111 <br /> SILT(ML);dark yellowish brown(10YR 4/6);moist;20% <br /> clay,75%silt,5%fine to medium sand;medium plasticity. <br /> 0.015 <br /> 0 0.0 WV-2-15 SIL- T(ML);dark yellowish brown(10YR 4/6);moist;20% <br /> clay,65%silt, 10%fine to medium sand,5%gravel, <br /> medium plasticity. <br /> 0 <br /> L 0.0 v22° 20 Silty SAND(SM) dark yellowish brown(tOYR 4/6); 20.0 Bentonite Seal <br /> o moist; 10%clay,30%silt,50%fine to coarse sand, 10% <br /> a SM <br /> gravel;medium plasticity. <br /> 0 <br /> cv <br /> 0.0 <br /> MW-2-258 0.0 w2-2' 25 SILT(ML);dark yellowish brown(1OYR 4/6);moist;20% 25.0 <br /> o clay,60%silt,20%sand fine to medium sand; medium <br /> plasticity, t <br /> 2 0.0 MW-2-30 30 Monterey Sand <br /> 02112 <br /> 7-diam.,0.020" <br /> r ML Slotted Schedule <br /> 40 PVC <br /> 0.0MW-2-35 35 <br /> w <br /> x <br /> N <br /> < 38.0 <br /> n <br /> z <br /> ° 40 <br /> Bottom of <br /> Boring @ 38 ft <br /> a <br /> 0 <br /> 0 <br /> 45 <br /> PAGE I OF 1 <br />