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Conestoga-Rovers & Associates BORINGMELL LOG <br /> 19449 Riverside Drive, Suite 230 <br /> lSonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME B-104B <br /> JOB/SITE NAME Former Shell Piaeline DRILLING STARTED 16-Nov-11 <br /> LOCATION - Cordes Ranch, Tracy California DRILLING COMPLETED 16-Nov-11 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE (YIELD) NA <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 123. 19 ft above msl <br /> DRILLING METHOD Direct Push TOP OF CASING ELEVATION NA <br /> BORING DIAMETER 2 5/8" 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 Z <br /> REMARKS Airknifed to 5 ft. <br /> TjO <br /> E <br /> >jF W Z m N U <br /> o m o a. X W N SOIL DESCRIPTION FWELL DIAGRAM <br /> U < W ❑ ❑ 0W <br /> Clayey SILT (ML) ; very dark grayish brown (10YR 3/2); <br /> dry; 30% clay, 70% silt. <br /> ML @3' - dark yellowish brown (10YR 4/4); moist. <br /> 0.0 B-1048-5 5 - <br /> - 8.0 <br /> Silty SAND ISM) ; dark yellowish brown (I OYR 4/4); <br /> SM moist; 35% silt, 65% fine sand. <br /> 0.0 B-104B-10 10 10.5 <br /> Clavev SILT with Sand (ML) ; light yellowish brown <br /> (10YR 6/4); caliche. <br /> ML <br /> 14.5 <br /> 0.0 B-10413-15 15 Silty SAND ISM) ; light yellowish brown (10YR 6/4); <br /> SM moist; 40% silt, 60% fine sand. <br /> 18,0 Portland Type IIIN <br /> Clayey SILT (ML) ; light yellowish brown (10YR 6/4); <br /> moist; 30% clay, 70% silt. <br /> p 0.0 B-1046-20 20 <br /> F <br /> ML @21 ' - brownish yellow (10YR 6/6). <br /> 24.7 <br /> 0.0 13-­104B2525, SM ! Silty SAND ISM) ; brownish yellow (I OYR 616); moist; 25.7 <br /> 30% silt 70% fine sand. <br /> Clavev SILT (ML) ; brownish yellow (10YR 616); moist; <br /> ML 30% clay, 70% silt. <br /> 29.8 <br /> M 0.0 13-104830 30 SP .` SAND ISPI ; brownish yellow (10YR 6/6); moist; 5% silt, 30.8 <br /> 95% fine sand. <br /> Clayey SILT IML) ; brownish yellow (10YR 6/6); moist; <br /> ML 30% clay, 70% silt. <br /> 0.0 B-104aa5 35 35.0 <br /> v Bottom of <br /> Boring @ 35 ft <br /> 0 <br /> 0 <br /> 40 <br /> PAGE i OF 1 <br />