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Conestoga-Rovers & Associates BORING/WELL LOG <br /> 19449 Riverside Drive, Suite 230 <br /> ;a V Sonoma, CA 95476 <br /> . Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGIWELL NAME B-80 <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 124.43 It above ms] <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 Z <br /> REMARKS Airknifed to 5 ft. <br /> N F U ~ <br /> a 0 F- W Z = <br /> a a 'R a p SOIL DESCRIPTION I- WELL DIAGRAM <br /> a m0 ¢ W 0W <br /> v 0 <br /> Clayey SILT (ML) ; dark grayish brown (IOYR 4/2); dry; <br /> 30% clay, 70% silt. <br /> @4' - SILT MLI ; light yellowish brown (1 OYR 6/4); <br /> 0.0 seas 5 moist; 90% silt, 10% fine sand. <br /> ML <br /> Portland Type it <br /> 0.0 eao-m 10 <br /> 11 .5 <br /> Siltv SAND ISM) ; dark yellowish brown (10YR 4/4); <br /> moist; 20% silt, 80% fine sand. <br /> SM <br /> 0.0 a-ao-ls 15 15.0 <br /> Bottom of <br /> Boring @ 15 ft <br /> ti <br /> 'a <br /> 20 <br /> i, <br /> z <br /> 25 <br /> 21 <br /> i <br /> r 30 <br /> �i <br /> 0 <br /> 0 <br /> 35 <br /> PAGE 1 OF 1 <br />