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Conestoga-Rovers & Associates BORINGMELL 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 BORINGIWELL NAME MW-15 <br /> JOB/SITE NAME Former Shell Pipeline DRILLING STARTED 29-Jul-11 <br /> LOCATION Cordes Ranch, Tracy California DRILLING COMPLETED 29-Jul-11 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE (YIELD) NA <br /> DRILLER Cascade Drilling Co. GROUND SURFACE ELEVATION 124.05 ft above mist <br /> DRILLING METHOD Roto-sonic vibration TOP OF CASING ELEVATION 127.06 it above mist <br /> BORING DIAMETER 6' SCREENED INTERVAL 30 to 50 fbq <br /> LOGGED BY B. Siegfried DEPTH TO WATER (First Encountered) NA <br /> REVIEWED BY J. Gaarder DEPTH TO WATER (Static) NA Z <br /> REMARKS <br /> v F <br /> U F m <br /> F W Z = <br /> a <br /> a uI- QO <br /> G. LL DIAGRAM F <br /> mo ¢ vZ <br /> W UW O 0 � <br /> SILT (ML) ; dark grayish brown (10YR 4/2); dry; 30 <br /> clay, 70% silt. <br /> 5 <br /> ML <br /> 0.0 10 <br /> Portland Type it <br /> 13.0 <br /> Silty SAND (SM) ; light olive brown (2.5Y 5/4); moist; <br /> 30% silt, 70% medium sand. <br /> 2.4 MW-1545' 15 <br /> LL <br /> O20 <br /> B <br /> .8 <br /> 25 <br /> 10 <br /> Bentonite Seal <br /> o @ <br /> 271 , staining with olive brown (2.5Y 413). <br /> 74 MW-15-28' <br /> I <br /> SM Monterey Sand # <br /> of 30 <br /> U <br /> O <br /> J351 <br /> Continued Next Page PAGE 1 OF 2 <br />