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Conestoga-Rovers & Associates BORING/WELL LOG <br /> ` >%t 19449 Riverside Drive, Suite 230 <br /> 61 <br /> 3 Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> jp** Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGIWELL NAME B-79 <br /> JOB/SITE 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. 16 ft above msl <br /> DRILLING METHOD Direct Push TOP OF CASING ELEVATION NA <br /> BORING DIAMETER 23/801 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 F- <br /> a OF w Z z <br /> z Ja H a Li a 0 SOIL DESCRIPTION F = WELL DIAGRAM <br /> o mO � xx w .. :5 � � za <br /> a U N W (7 OOO <br /> Clayey SILT (ML) ; dark grayish brown (10YR 4/2); dry; <br /> 30% clay, 70% silt. <br /> 0.0 a-7s5 5 <br /> ML @7' - Interbedded with Silty SAND (SM) ; dark brown <br /> (10YR 3/3); moist; 30% silt, 70% fine sand. <br /> 195 B�79-10 10 <br /> 354 8-79-15 15 15.5 <br /> Silty SAND ISM) ; black (10YR 2/1 ); moist; 30% silt, <br /> 70% very fine sand. <br /> Portland Type IN <br /> sM <br /> 126 Ba9-20 20 <br /> a <br /> 23.0 <br /> Clayey SILT (MU ; black (10YR 211 ); moist; 30% clay, <br /> `? 70% silt. <br /> z 535 B-79-25 25 <br /> L? @25' - Sandy Clayey SILT (ML) : black (10YR 2/1 ); <br /> moist; 20% clay, 65% silt, 15% sand. <br /> ML <br /> 82 B-7930 -30— <br /> A <br /> i <br /> i 640 easas 35 35.0 <br /> Bottom of <br /> Boring @ 35 ft <br /> 0 <br /> 0LL 40 <br /> PAGE 1 OF 1 <br />