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m2gy <br /> Conestoga-Rovers & AssociatesBORINGIVIIELL LOG <br /> 19449Riverside Drive, Suite 230d\� Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGIWELL NAME MW-13C <br /> JOBISITE NAME Former Shell Pipeline DRILLING STARTED 13-Jul-11 <br /> LOCATION Cordes Ranch Tracy California DRILLING COMPLETED 20-Jul-11 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE (YIELD) NA <br /> DRILLER Cascade Drilling Co. GROUND SURFACE ELEVATION 120.64 ft above mat <br /> DRILLING METHOD Roto-sonic vibration TOP OF CASING ELEVATION 123.71 It above msl <br /> BORING DIAMETER 6" SCREENED INTERVAL 163 to 173 IN <br /> LOGGED BY B. Siegfried DEPTH TO WATER (First Encountered) 39.0 ft (20-Jul-11 ) <br /> REVIEWED BY J. Gaarder DEPTH TO WATER (Static) NA 1 <br /> REMARKS <br /> F U ~ <br /> a <br /> o m O o ~ W 1n SOIL DESCRIPTION = U+/ LL DIAGRAM <br /> a v N c7 0 0 <br /> No soil logged from 0 to 5 feet. <br /> 0.0 MW.13C- 5 Sandy SILT (ML) ; dark yellowish brown (10YR 4/4); dry; <br /> 5 <br /> 5% clay, 65% silt, 30% fine sand. <br /> — _ @ 7.5' - SILT (ML) ; dark yellowish brown (10YR 4/4); 8.0 <br /> moist; 20% clay, ()%silt, 10% fine sand_ _ _ _ _ _ _ ) <br /> 0,2 MW-13c- 10 @ 10' - SILT with Sand (ML) ; light olive brown (2.5Y <br /> 1a 5/4); moist; 30% clay, 55% silt, 15% fine sand. <br /> ML <br /> 0.3 Mw-13c- 15 <br /> 15' <br /> F <br /> � 18.0 <br /> Silty SAND ISM) ; light olive brown (2.5Y 5/4); moist; 5% <br /> LL clay, 40% silt, 55% fine sand. <br /> 0. 1 MW-13C- 20 <br /> 20' @ 20.3' - yellowish brown (1 OYR 5/4); 20% silt, 80% fine <br /> sM to medium sand. <br /> @ 22' - dark yellowish brown (10YR 4/4); 5% clay, 40% <br /> o silt, 55% fine sand. <br /> 25.0 <br /> 0.0 MW-13C- 25 SILT (ML) ; dark yellowish brown (10YR 4/4); moist; 30% <br /> s 25' clay, 70% silt. <br /> ML <br /> 28.0 <br /> sM Silty SAND ISM) ; dark yellowish brown (10YR 4/4); <br /> moist; 40% silt, 60% fine sand. <br /> 29.5 <br /> 6 30SILT (ML) ; yellowish brown (10YR 5/4); moist; 25% <br /> i 0. 1 MW-13C- Clay, 75% silt. <br /> 30' <br /> Owl <br /> ML <br /> 35 <br /> Continued Next Page PAGE i OF 5 <br />