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Conestoga-Rovers&Associates <br /> 9dBORING/WELL L®G <br /> a 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 BORINGNJELL NAME MW-12 <br /> JOB/SITE NAME _ Former Shell Pipeline DRILLING STARTED 18Jui-11 _ <br /> LOCATION Cordes Ranch Tracy,California DRILLING COMPLETED _ 20Ju1.11 <br /> PROJECTNUMBER 060223 WELL DEVELOPMENT DATE(YIELD) NA <br /> DRILLER Cascade Drilling Co GROUND SURFACE ELEVATION 121.89 it above msl <br /> DRILLING METHOD Roto-sonic vibration TOP OF CASING ELEVATION 124.82 it above msl <br /> BORING DIAMETER 61 SCREENED INTERVAL 35 to 45 fbo <br /> LOGGED BY B.Siegfried DEPTH TO WATER(First Encountered) 35.0 ft(20-Jul-11) Q <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) NA 1 <br /> REMARKS <br /> 3:y <br /> m 0 ¢ W g O SOIL DESCRIPTION z ri 17l/ LL DIAGRAM <br /> Zvi <br /> Soil was not logged from 0-6 feet. <br /> 0.0 MW-12-5' S SILT(ML) light olive brown(2.57 5/6);dry;5%clay, --- 5.0 <br /> 85%silt,10%fine sand. <br /> ML <br /> 9.0 <br /> Silty SAND(SM):olive brown(2.5Y 4/4);moist;15% <br /> 0.0 Mw-12-10' 10 silt,85%fine to medium sand. <br /> @ 12.5'-light olive brown(2.5Y 5/4);moist;5%clay,35% <br /> silt,60%fine sand. <br /> 0.0 MW-12-iv —15— sM <br /> Portland Type II <br /> 0 <br /> LL <br /> o Q.Q MVM2-2a' —20- <br /> 20.4 <br /> ML San SILT(MLI:light olive brown(2.5Y 5/4);moist; 21.0 <br /> z� <br /> SP-SM`; 10%cla 50%silt 40%fine sand. <br /> SAND with SiltlSP-SM);light olive brown(2.5Y 6/4); 22.2 <br /> moist' 10%slit 90%medium sand. <br /> sM Siity SAND(SM)•light olive brown(2.5Y614);moist;5% <br /> F <br /> day,35%silt,60%medium sand. <br /> e 0.0 Mw-tz-za 10%cla 40%silt 50%ffnesand. 25.0 <br /> SILT with Sand(ML);olh a brown(2.5Y 4/4);moist;20% <br /> Clay.65%silt,15%fine sand. <br /> ML <br /> � <br /> 0.0 MW-72.30' 30 <br /> Benlonite Seal <br /> E <br /> Q: 33.2 <br /> 9 SAND(SP):olive brown(2,5Y 4/4);moist;100% 33.4 <br /> ML medium sand. Monterey Sand# <br /> MwA235' 35 35.0 <br /> ContnuedNextPage PAGE 7 OF 2 <br />