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Conestoga-Rovers&Associates BORING/WELL 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 BORINGIWELL NAME MW-9 <br /> JOB/SITE NAME Former Shell Pipeline DRILLING STARTED 14-Jul-10 <br /> LOCATION Cordes Ranch,Tracy DRILLING COMPLETED 14-Jul-10 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE(YIELD) 18-Aug-10(15 gallons) <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 121.31 ft above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 123.91 ft above msl <br /> BORING DIAMETER 11" SCREENED INTERVAL 30 to 45 fbq <br /> LOGGED BY S.Phillips DEPTH TO WATER(First Encountered) 37.0 ftNA <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 36.30 It(23-Aug-10) 1 <br /> REMARKS Well completed in stovepipe;approximately 3 feet of stickup. <br /> F- uj U rn <br /> O a a v O SOIL DESCRIPTION N Z LL DIAGRAM <br /> Lu J H <br /> D ma. <br /> 0 ¢ W U` OW <br /> ULU <br /> SILT(ML);very dark grayish brown(10YR 3/2);dry; <br /> 40%clay,60%silt;medium plasticity. <br /> 100 <br /> @2'-to 3'hardpan. <br /> 0 MW-9-5 5 @5'-SILT with Sand(ML);dark yellowish brown(10YR <br /> 4/4); dry;75%silt,25%very fine sand;low plasticity. <br /> ML <br /> 0 MW-9-10' 10— <br /> J 12.5 <br /> Silty SAND(SM);dark yellowish brown(10YR 4/4);dry; <br /> fine to medium sand. <br /> D Portland Type 1/1140%silt,60% <br /> LL <br /> W <br /> O <br /> 'a <br /> z0 MW-9-1s' 15 SM <br /> c� <br /> 04 <br /> N <br /> 17.5 <br /> o SILT(ML);dark yellowish brown(10YR 4/4);dry;90% <br /> silt, 10%very fine sand;low plasticity. <br /> 0 <br /> N <br /> O <br /> S 0 MW-9-20' 20 <br /> 0 <br /> 0 <br /> C <br /> 2 <br /> U <br /> a <br /> 0 <br /> 0 <br /> J <br /> J <br /> 25 <br /> Continued Next Page PAGE 1 OF 2 <br />