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Conestoga-Rovers&Associates <br /> 19449 Riverside Drive,Suite 230 BORING/WELL LOG <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-14 <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House, NBH C&D DRILLING STARTED 20-Jan-09 <br /> LOCATION Tracy,CA DRILLING COMPLETED 20-Apr-09 <br /> PROJECT NUMBER 060222 WELL DEVELOPMENT DATE(YIELD) 25-Sep-09(36.0 gallons) <br /> DRILLER Gregg Drilling,C-57#485165 GROUND SURFACE ELEVATION 91.17 it above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 93.99 ft above msl <br /> BORING DIAMETER 8 SCREENED INTERVAL 25 to 40 fbq <br /> LOGGED BY S. Phillips DEPTH TO WATER(First Encountered) 25.0 ft(20-Apr-09) <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 24.94 ft(30-Sep-09) 1 <br /> REMARKS Air knifed to 5 fbq. Above ground construction consisting of a 2 ft.Stovepipe. <br /> U H U ~ rn <br /> CL O Za W Q Q p SOIL DESCRIPTION Z? WELL DIAGRAM <br /> J <br /> a M Q W pw <br /> U UD <br /> SILT(ML);dark brown(10YR 3/3);dry;30%clay,45% <br /> silt,20%very fine sand;5%gravel. <br /> ML <br /> 5.0 <br /> iz MW-14-5 5 SILT(ML);dark yellowish brown(10YR 4/4);dry;10% <br /> 14 clay,55%silt,35%very fine sand. <br /> ML <br /> 10.0 <br /> e MW-14-10 10 SILT(ML);dark yellowish brown(10YR 4/4);dry; 10% Portland Type 1/11 <br /> t3 clay,55%silt,35%very fine sand. <br /> ML <br /> 15.0 <br /> 0) 12 MW -14-15 15 SILT(ML)-i dark yellowish brown(10YR 4/4);dry;10% <br /> o ,s clay,55%silt,35%very fine sand. <br /> ML <br /> F- <br /> c0 <br /> 20.0 <br /> LLe MW-14-20 20 SILT(ML);dark yellowish brown(10YR 4/4);dry; 10% <br /> 0 12 clay,55%silt,35%very fine sand. <br /> Bentonite Seal <br /> 'a ML <br /> c0 <br /> N 25.0 <br /> MW-14-25 25 Silty SAND ISM);dark yellowish brown(10YR 4/4); <br /> s moist; 10%clay,35%silt,55%fine to coarse sand. <br /> W SM <br /> U <br /> N s 30 30.0 <br /> N � MW-14-30 Sandy SILT(ML);yellowish brown(10YR 5/4);moist; <br /> e 65%silt,35%fine to medium sand. Monterey Sand <br /> N ML #2/12 <br /> g 2"-diam.,0.010" <br /> in Slotted Schedule <br /> Cr <br /> = _35- 35.0 4o PVC <br /> 0 MW-14-25 Sandy SILT(ML);yellowish brown(10YR 5/4);moist; <br /> = 65%silt,35%fine to medium sand. <br /> Bottom of <br /> a ML Boring @ 35 ft <br /> 0 <br /> 0 <br /> 0 MW-14- 40 40.0 <br /> 39.5 <br /> ❑ <br /> a <br /> 0 <br /> 0 <br /> J <br /> J <br /> J <br /> 45 <br /> PAGE 1 OF 1 <br />