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= 4 Conestoga-Rovers&Associates BORINGNVELL LOG <br /> 19449 Riverside Drive, Suite 230 <br /> ( Sonoma, CA 95476 <br /> gY Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME B-93B <br /> JOBISITE NAME Former Shell Pipeline DRILLING STARTED 31-May-11 <br /> LOCATION Cordes Ranch,Tracy,California DRILLING COMPLETED 14-Jun-11 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE(YIELD) NA <br /> DRILLER Cascade Drilling Co. GROUND SURFACE ELEVATION 122.27 ft above ms] <br /> DRILLING METHOD Direct Push TOP OF CASING ELEVATION NA <br /> BORING DIAMETER 2 3/8" 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 /> Go F 05U F <br /> o. m 0 X w rn SOIL DESCRIPTION I¢Z x WELL DIAGRAM <br /> Q a <br /> a U y w o C7 OO Q <br /> Clayey SILT(ML);dark grayish brown(10YR 4/2);dry; <br /> 40%clay,60%silt. <br /> @4'-light yellowish brown(10YR 6/4);moist; 10%clay, <br /> 0,0 MOB-5 —5- 90%silt. <br /> @5'-moist;dark grayish brown(10YR 4/2). <br /> ML <br /> @8'-Sandy SILT(ML);light yellowish brown(10YR <br /> 6/4);moist;70%silt,30%very fine sand. <br /> 0.0 B-9311-10 _10— <br /> @12.5'- <br /> 1D@12.5'-ClaveV SILT(ML);light yellowish brown(10YR <br /> 6/4);moist;20%clay,80%silt. <br /> 0.0 B-93B-15 95 15.5 Portland Type 11 <br /> Silty SAND(SM);light yellowish brown(10YR 6/4); <br /> moist;40%silt,60%very fine sand. <br /> sM <br /> 0 0.0 B-MB-2020 20.0 <br /> SP-SM : SAND with Silt(SP-SMl;light yellowish brown(10YR 21.0 <br /> 6/4)'moist' 10%silt 90%medium sand. <br /> LL Clayey SILT with Sand(ML); light yellowish brown <br /> o (10YR 6/4);moist;20%clay,70%silt, 10%sand. <br /> a <br /> c? <br /> 0.0 e-9313-25 25 ML <br /> @25'-Clayey SILT(ML);light yellowish brown(10YR <br /> 6/4);moist;40%clay,60%silt. <br /> s <br /> m <br /> 0 <br /> 29.5 <br /> 0.0 e-93B-3030 SAND with Silt(SP); light yellowish brown(10YR 6/4); 30.0 <br /> ,� moist' 10%silt 20%medium sand. <br /> Bottom of <br /> Boring @ 30 ft <br /> s <br /> 35 - <br /> Y <br /> S9 <br /> E <br /> a <br /> 0 <br /> 0 <br /> J <br /> 40 <br /> PAGE 1 OF 1 <br />