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Conestoga-Rovers & Associates BORING/WELL LOG <br /> 19449 Riverside Drive, Suite 230 <br /> i Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> - - - Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGIWELL NAME B-93 <br /> JOBISITE NAME Former Shell Pipeline DRILLING STARTED 27-May-11 <br /> LOCATION Cordes Ranch Tracy California DRILLING COMPLETED 14-Jun-11 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE (YIELD) NA <br /> DRILLER Cascade Drilling Co. GROUND SURFACE ELEVATION 121 .72 ft above msl <br /> DRILLING METHOD Direct Push TOP OF CASING ELEVATION NA <br /> BORING DIAMETER 2 3/8" SCREENED INTERVAL NA <br /> LOGGED BY B. Siegfried DEPTH TO WATER (First Encountered) NA <br /> REVIEWED BY J. Gaarder DEPTH TO WATER (Static) NA 1 <br /> REMARKS Airknifed to 5 ft. <br /> F :cC6 U ~ <br /> 2 W Z S <br /> OV a F to ai g' o SOIL DESCRIPTION Z ? WELL DIAGRAM <br /> Q. m00 Q W 0 <br /> o <br /> LU <br /> Clavev SILT (ML) ; dark grayish brown (10YR 4/2); dry; <br /> 40% clay, 60% silt. <br /> ML <br /> 5 <br /> @4' - light yellowish brown (10YR 6/4); moist; 10% clay, 5.0 <br /> 138 B-93s 90% silt. <br /> Silty SAND (SM) ; very dark gray (10YR 3/1 ); moist; 40% <br /> silt, 60% fine sand. <br /> sM <br /> 139 B-9&10 t0 w. 10.0 <br /> Clays v SILT (ML) ; very dark gray (10YR 3/1 ); moist; <br /> 40% clay, 60% silt. <br /> ML <br /> 375 8-93-15 15 Portland Type II <br /> 16.0 <br /> Silty CLAY (CL) ; very dark gray (10YR 3/1 ); moist; 60% <br /> clay, 40% silt. <br /> c <br /> i� <br /> 310 B-93-20 20 <br /> CL <br /> z 227 B-93-25 25 <br /> L7 <br /> B-9330 0 30 30.0 <br /> Bottom of <br /> i Boring @ 30 ft <br /> i 35 <br /> U <br /> O <br /> 40 <br /> PAGE I OF 1 <br />