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Conestoga-Rovers&Associates BORING/WELL LOG <br /> 19449 Riverside Drive,Suite 230 <br /> Sonoma,CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax. 707-935-6649 <br /> CLIENTNAME Shell Oil Products US BORINGIWELLNAME MW-13B <br /> JOB/SITE NAME Former Shell Pipeline DRILLING STARTED 27-Jul-11 <br /> LOCATION Cordes Ranch,Tracy,California DRILLING COMPLETED 29-Jul-11 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE(YIELD) NA <br /> DRILLER Cascade Drilling Co. GROUND SURFACE ELEVATION 120.64 it above met <br /> DRILLING METHOD Roto-sonic vibration TOP OF CASING ELEVATION 122.93 ft above msl <br /> BORING DIAMETER 6" SCREENED INTERVAL 110 to 125 fbri <br /> LOGGED BY B.Siegfried DEPTH TO WATER(First Encountered) 40.0 It(29-Jul-11) Q <br /> REVIEWED BY J.Gaanler DEPTH TO WATER(Static) NA 1 <br /> REMARKS <br /> p F U Hm <br /> o 010 a Z o vi 4a SOIL DESCRIPTION o rl�/ LL DIAGRAM <br /> No soil logged from 0 to 8 feet <br /> 5 <br /> 8.0 <br /> — <br /> Silty SAND(SM):dark yellowish brown(10YR 4/6); <br /> sM moist;6%clay,30%slit,65%fine sand. <br /> 10 10.0 <br /> SAND with Silt(SP-SM);brownish yellow(1OYR 6/6); <br /> moist;10%silt,90%medium sand. <br /> SP-SM •`J <br /> 15.0 <br /> = 15 SILT(MIJ;brownish yellow(10YR 6/6);moist;20% <br /> ML clay,80%silt. 16.5 <br /> sM ? AgilySAND(SM):brownish yellow(I OYR 6/6);moist; 17.5 <br /> 0 30%silt 7o%fine sand. <br /> J Sandv SILT 7ML) brownish yellow(10YR 6!6);moist; <br /> ML 5%clay,300/4 silt,65%fine sand. <br /> w <br /> � 20 20.5 <br /> SAND with Silt(SP-SM);light olive brown(2.5Y 5/4); <br /> r� moist;10%silt,90%medium sand. <br /> s7 <br /> SP-sM <br /> LL 25.0 <br /> 25 <br /> r SAND with Silt and Gravel(SP-SMI;yellowish brown <br /> § sP-sM (10YR 6/6);moist;10%slit,60%medium sand,30%fine <br /> T sand. <br /> A <br /> 27.5 <br /> SILT ML ;dark yellowish brown(10YR 4/4);moist;20% <br /> H clay,70%silt,10%fine sand. <br /> a <br /> z 30 <br /> x <br /> 0 <br /> a <br /> o ML <br /> Q 34'-yellowish brown(10YR 5/4);25%clay,75%silt. <br /> u35 <br /> S Continued Next Page Pnce: r �° <br />