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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-5A <br /> JOB/SITE NAME Former Shell Pipeline DRILLING STARTED 13-Jul-10 <br /> LOCATION Cordes Ranch,Tracy DRILLING COMPLETED 13-Jul-10 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE(YIELD) 19-Aug-10(45 gallons) <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 120.89 It above msl <br /> DRILLING METHOD Hollow-stem auger - TOP OF CASING ELEVATION 123.34 It above mel <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) _ 35.90 It(23-Aug-10) 1 <br /> REMARKS Well completed in stovepipe-approximately 3 feet of stickup <br /> vl W F = <br /> o m 0 X w p ui O SOIL DESCRIPTION ,F I W LL DIAGRAM <br /> a O y w 0 08 <br /> 0 <br /> SILT(ML);very dark grayish brown(10YR 3/2);dry; <br /> 40%clay,60%silt. <br /> 0 <br /> @2-to 4'hardpan. <br /> 0 MW-5A5 S <br /> @5'-SILT with Sand(ML);brown(10YR 4/3); dry;75% <br /> silt,25%very fine sand;low plasticity. <br /> ML <br /> 2.7 MW5A- 10 <br /> W <br /> 0 <br /> C <br /> m <br /> 12.5 <br /> p Silty SAND(SM);brown(10YR 4/3);dry;40%silt,60% poNand Type I/II <br /> fine to medium sand. <br /> LL <br /> 'a <br /> i 11 MW-5A- 15 SM <br /> 15 <br /> 0 <br /> 17.5 <br /> o SILTwith Sand(MLl;very dark grayish brown(10YR <br /> 3/2);dry;75%silt,25%very fine sand;low plasticity. <br /> S <br /> N <br /> 257 MW5A- —20- <br /> 20' <br /> aN <br /> S <br /> V <br /> 0 <br /> a <br /> 0 <br /> 0 <br /> 25 <br /> Continued Next Page PAGE 1 OF 2 <br />