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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 /> CLIENT NAME Shell Oil Products US BORINGMELL NAME MW-56 <br /> JOB/SITE NAME Former Shell Pipeline DRILLING STARTED 01-Sep-10 <br /> LOCATION Cordes Ranch,Tracy DRILLING COMPLETED 01-Sep-10 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE(YIELD) 13-Sep-10(29.25 gallons) <br /> DRILLER WDC Exploration and Wells GROUND SURFACE ELEVATION 120.92 ft above msl <br /> DRILLING METHOD Air-Rotary&Roto-Sonic Vibration(See Remarks) TOP OF CASING ELEVATION 123.44 ft above msl <br /> BORING DIAMETER 12"to 45 ft;6"below 45 ft. SCREENED INTERVAL 105 to 115 fbq <br /> LOGGED BY S.Phillips DEPTH TO WATER(First Encountered) NA <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 35.68 ft(16-Sep-10) 1 <br /> REMARKS Air-Rotary Casing Hammer(ARCH)to 45 ft. Roto-Sonic Vibration below 45 ft.Well completed in stovepipe;approximately 3 feet of stickup. <br /> �- O nJ LU Lu Q.O SOIL DESCRIPTION Z? LL DIAGRAM <br /> a opo ¢ w p pW <br /> ULU <br /> Soils not logged-see MW-5A for lithology from 0 to 45 <br /> 5 ML fbg' <br /> 10 <br /> 12.5 <br /> 15 SM <br /> 17.5 <br /> 20 <br /> 8"Steel Conducto <br /> 25 Casing <br /> 30 <br /> ML <br /> a-35- <br /> 7-40-- <br /> :--45-- <br /> Soils <br /> 5 4045 Soils not logged-see MW-5C for Iithology from 45 to 100 47.5 <br /> Z-50-- SM fb 51.5 <br /> 0 55 <br /> 60 <br /> 0 <br /> 65 <br /> a' <br /> 0 70 Portland Type 1/11 <br /> a' <br /> �? <br /> -75— <br /> z <br /> 80 <br /> N <br /> ML <br /> cos85 <br /> i <br /> m <br /> 90 <br /> 0 <br /> 95 <br /> N <br /> 1 <br /> Bentonite Seal 0 SILT(ML);light yellowish brown(2.5Y 6/4);moist;10% <br /> ED 10 clay,85%silt,5%medium sand. Lonestar Sand <br /> N #2112 <br /> m <br /> = 11 2"-diam.,0.020" <br /> U <br /> `O Mw-58- Slotted Schedule <br /> 112, 11 115.0 40 PVC <br /> 0 <br /> a <br /> 0 120 Bottom of <br /> Boring @ 115 ft <br /> 125 <br /> PAGE 1 OF 1 <br />