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Conestoga-Rovers & Associates BORINGMELL LOG <br /> , ;: 19449 Riverside Drive, Suite 230 <br /> �' �' u„1 Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGNVELL NAME MW-14B <br /> JOBISITE NAME Former Shell Pipeline DRILLING STARTED 08-Jul-11 <br /> LOCATION Cordes Ranch Tracy, California DRILLING COMPLETED 12-Jul-11 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE (YIELD) NA <br /> DRILLER Cascade Drilling Co. GROUND SURFACE ELEVATION 117.42 ft above msl <br /> DRILLING METHOD Roto-sonic vibration TOP OF CASING ELEVATION 120.66 ft above msl <br /> BORING DIAMETER 6” SCREENED INTERVAL 110 to 125 fbq <br /> LOGGED BY B. Siegfried DEPTH TO WATER (First Encountered) 42.0 It (12-Jul-11 ) V <br /> REVIEWED BY J. Gaarder DEPTH TO WATER (Static) NA 1 <br /> REMARKS <br /> N <br /> a <br /> o m O a.a. ~W o,W N SOIL DESCRIPTION Z _ LL DIAGRAM <br /> FL o 1¢ c7 OQ <br /> SILT ML ; brown (10YR 5/3); dry; 40% clay, 60% silt. <br /> @ 2' - yellowish brown (1 OYR 5/4); 100% silt. <br /> 5 <br /> ML <br /> O <br /> 0.0 MW-1,4B- 10 @ 10' - yellowish brown (I OYR 5/6); moist; 20% clay, 80 <br /> silt. <br /> 12, - 100% silt. 12.6 <br /> Silty SAND ISM) ; yellowish brown (10YR 5/6); moist; <br /> 5% clay, 15% silt, 80% fine to medium sand. <br /> sM <br /> 0.0 MW-14B- 15 <br /> 15, <br /> 16.0 <br /> SILT (ML) ; dark yellowish brown (10YR 4/6); moist; 30% <br /> o ML clay, 70% silt. <br /> 18.5 <br /> a Silty SAND ISM) ; yellowish brown (10YR 516); moist; <br /> w SM 30% silt, 70% fine to medium sand. <br /> 1.4 <br /> 0.0 MW-14B- 2D <br /> za 21 .0 <br /> GP GRAVEL (GP) ; yellowish brown (10YR 5/6); moist; <br /> ° 100% fine gravel. 22,5 <br /> @ 22.5-42.5' - no recovery. <br /> 25 <br /> 125 <br /> N Q <br /> 30 <br /> 0 <br /> 0 <br /> 0 <br /> 35 <br /> Continued Next Page PAGE 1 OF 4 <br />