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Conestoga-Rovers & Associates BORINGIWELL LOG <br /> 19449 Riverside Drive, Suite 230 <br /> {„fir Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME B-83 <br /> JOBISITE NAME Former Shell Pipeline DRILLING STARTED 26-May-11 <br /> LOCATION Cordes Ranch Tracy California DRILLING COMPLETED 13-Jun-11 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE (YIELD) NA <br /> DRILLER Cascade Drilling Co. GROUND SURFACE ELEVATION 124.64 ft above msl <br /> DRILLING METHOD Direct Push TOP OF CASING ELEVATION NA <br /> BORING DIAMETER 23/811 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 /> p U F m <br /> E Oa r W o- SOIL DESCRIPTION F F- WELL DIAGRAM <br /> a mo ¢ � OOW <br /> /n o <br /> Clayey SILT (ML) ; dark grayish brown (I OYR 4/2); dry; <br /> 30% clay, 70% silt. <br /> @4' - Sandy SILT with Clay (ML) ; dark grayish brown <br /> 0.0 8-03-5 5 (1 OYR 4/2); moist; 10% clay, 60% silt, 30% fine sand. <br /> @7' - Clayey SILT (ML) ; dark grayish brown (10YR 4/2); <br /> moist; 40% clay, 60% silt. <br /> ML <br /> 127 a-03-to 10 <br /> @12' - very dark gray (10YR 3/1 ). <br /> 215 —15- <br /> 18.0 <br /> a-ea-t5 1518 0 Portland Type II <br /> SiItV SAND (SM) ;very dark grayish brown (10YR 3/2); <br /> SM moist; 30% silt, 70% fine sand. <br /> 0 267 B-53-20PO 20'0 <br /> Clavev SILT (ML) ; very dark gray (1OYR 3/1 ); moist; <br /> n 30% clay, 70% silt. <br /> LL ML <br /> 23.5 <br /> o SM Silty SAND ISM) ; very dark grayish brown (10YR 3/2); <br /> 333 M3-25 25 moist 30% silt 70% fine sand. 25.0 <br /> '? ML Clayey SILT (ML) ;very dark grayish brown (1 OTR 3/2); 26,0 <br /> moist 30% clay, 70% silt. <br /> sM Silty SAND (SM) ;very dark grayish brown (10YR 3/2); <br /> moist; 30% silt, 70% fine sand. <br /> 28.5 <br /> Clayey SILT (ML) ; very dark grayish brown (10YR 3/2); <br /> 567 9-33-30 3D ML moist; 30% clay, 70% silt. 30.5 <br /> fl Silty SAND (SM) very dark grayish brown (10YR 3/2); <br /> moist; 30% silt, 70% fine sand. <br /> SM <br /> 4.4 <br /> 34.0 <br /> W <br /> q2g B-83-35 35 ML Clayey SILT (ML) ; very dark grayish brown (1 OYR 3/2); 35.0 <br /> moist 30% clay, 70% silt. <br /> Bottom of <br /> Boring @ 35 ft <br /> 0 <br /> 0 <br /> 40 <br /> PAGE 7 OF f <br />