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r , <br /> 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 /> CLIENT NAME Shell Oil Products US BORINGMELL NAME MW-12 <br /> JOB/SITE NAME Former Shell Pi0ellne DRILLING STARTED 18-Jul-11 <br /> LOCATION _ Cordes Ranch,Tracy,California DRILLING COMPLETED _20Ju1.11 <br /> PROJECTNUMBER 060223 WELL DEVELOPMENT DATE(YIELD) NA <br /> DRILLER Cascade Drilling Co. GROUND SURFACE ELEVATION 121.89 it above msl <br /> DRILLING METHOD Roto-sonic vibration TOP OF CASING ELEVATION 124.82 It above msl <br /> BORING DIAMETER 6" SCREENED INTERVAL 35 to 45 Ibo <br /> LOGGED BY _ B.Siegfried DEPTH TO WATER(First Encountered) 35.0 it(20Jul-11) Q <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) NA 1 <br /> REMARKS <br /> pj X I— w <br /> SOIL DESCRIPTION U LL DIAGRAM <br /> o i � <br /> 0 <br /> Soil was not logged from 0-6 feet. <br /> 5 __ _ ___ 5.0 <br /> 0.0 Mw-12SILT(MLl;light olive brown(2.5Y 5/6);dry;5%clay, <br /> 85%silt,10%fine sand. <br /> ML <br /> 9.0 <br /> SPIN SAND(SM):olive brown(2.5Y 414);moist;15% <br /> 0.0 Mw12-1a —to— <br /> silt,85%fine to medium sand. <br /> 12.6'-light olive brown(2.5Y 514);moist;5%clay,35% <br /> silt,60%fine sand. <br /> 0.0 MW-12-15 t5 SM <br /> 41 Portland Type it <br /> r <br /> v <br /> v <br /> LL <br /> O 0.0 MW-12_20' 20 <br /> 20.4 <br /> ML Sandv SILT(MLI;iight olive brown(2.5Y 5/4);moist; 21.0 <br /> eL sPSM 10%da 50%silt 40%floe sand. <br /> SAND with Slit ISPSM);light olive brown(2.5Y 5/4); 22.2 <br /> moist' 10%slit 9D°h medium sand. <br /> SM Slity SAND ISM);light ollve brown(2.5Y 5/4);moist;5% <br /> day,35%silt,60%medium sand. <br /> 0.0 MW-12-26' 25 24.5'- 10%da 40%silt 50%tine sand. 25.0 <br /> SILT with Sand(MLl;ollve brown(2.5Y 4/4);most;20% <br /> day,65%silt 15%fine sand. <br /> 0 <br /> T <br /> ML <br /> 0.0 Mw-12410' 30 <br /> Bentonite Seat <br /> 0 <br /> 33.2 <br /> SAND(SP);olive brown(2.5Y 4/4);moist;100% 33A <br /> '' ML medium sand. Monterey Sand#' <br /> M%12-W 36 V35.0 <br /> ConflnuedNext Page PAGE 1 of 2 <br />