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Conestoga-Rovers & Associates BORING/1NELL LOG <br /> 1 a '1 19449 Riverside Drive, Suite 230 <br /> (r ( Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME B-1 13A <br /> JOB/SITE NAME Former Shell Pipeline DRILLING STARTED 14-Nov-11 <br /> LOCATION Cordes Ranch, Tracy California DRILLING COMPLETED 14-Nov-11 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE (YIELD) NA <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 119.21 It above mist <br /> DRILLING METHOD Direct Push TOP OF CASING ELEVATION NA <br /> BORING DIAMETER 25/811 SCREENED INTERVAL NA <br /> LOGGED BY B. Siegfried DEPTH TO WATER (First Encountered) NA SZ <br /> REVIEWED BY J. Gaarder DEPTH TO WATER (Static) NA 1. <br /> REMARKS Airknifed to 5 ft. <br /> 0 0 Z a F <br /> Q. a <br /> Q. 0 0SOIL DESCRIPTION F x WELL DIAGRAM <br /> mo ¢ w o oa <br /> U) U u <br /> Clayey SILT (ML) ; very dark brown (10YR 2/2); dry; <br /> 30% clay, 70% silt. <br /> @3' - moist. <br /> 0.3 B-113A-5 5 @4.5' - light yellowish brown (I OYR 6/4); moist; 85% silt, <br /> 15% fine sand. <br /> ML @8' - yellowish brown (I GYR 5/4); moist; 5% clay, 95% <br /> silt. <br /> 0.2 B-113A-10 _10- <br /> @12' . <br /> 10@12' - yellowish brown (I OYR 5/4); moist; 15% clay, 85 <br /> silt. <br /> 0.3 8-113A-1s — 15- <br /> 17.0 <br /> SM Silty SAND ISM) ; yellowish brown (10YR 514); moist; Portland Type nro <br /> 30% silt, 70% fine sand. 18.6 <br /> c <br /> 0.3 B-113A-2o ML Clayey SILT (ML) ; yellowish brown (10YR 5/4); moist; <br /> 20 25% clay, 75% silt. 20.3 <br /> a SM <br /> Silty SAND ISM) ; yellowish brown (10YR 5/4); moist; <br /> 30% silt 70% fine sand. 23.4 <br /> i7 ML Clayey SILT (ML) ; yellowish brown (10YR 5/4); moist; 24A <br /> 25% cla 75% silt. <br /> Up 0.3 8-113A-25 25 Silty SAND (SM) ; yellowish brown (10YR 5/4); moist; 24'9 <br /> 30% silt 70% fine sand. <br /> ML Clavev SILT (ML) ; yellowish brown (10YR 5/4); moist; <br /> 30% clay, 70% silt. <br /> 29.0 <br /> Silty SAND ISM) ; yellowish brown (10YR 5/4); moist; 29.4 <br /> M 0.2 3-113A-30 30 SP 30% silt 70% fine sand. 30.2 <br /> Clayey SILT (ML) ; yellowish brown (10YR 5/4); moist; 31 .1 <br /> 21 ML 25% clay, 75% silt. 32.0 <br /> N SAND ISP) ; yellowish brown (10YR 5/4); moist; 5% silt, 32.2 <br /> ML 95% fine sand. <br /> Clayey SILT (ML) ; yellowish brown (10YR 5/4); moist; 34.0 <br /> aSP 25% cla 75% silt. <br /> 0.3 e-113^- 35 SAND (SP1 ; yellowish brown (10YR 5/4); moist; 10% 35.0 <br /> silt 90% medium sand. <br /> Clayey SILT (ML) ; yellowish brown (10YR 5/4); moist; Bottom of <br /> 25% cla 76% silt. Boring @ 35 ft <br /> o SAND (SP) ; yellowish brown (1 OYR 5/4); moist; 5% silt, <br /> 95% medium sand. <br /> �' 40 <br /> PAGE 7 OF 1 <br />