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Conestoga-Rovers&Associates BORING[WELL LOG <br /> r 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 BORINGNVELL NAME MW-5C <br /> JOBISITE NAME Former Shell Pipeline DRILLING STARTED 30-Aug-10 <br /> LOCATION . Cordes Ranch Tracy DRILLING COMPLETED 01-Seo-10 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE(YIELD) 13-Sep-10(177.50 gallons) <br /> DRILLER WDC Exploration and Wells GROUND SURFACE ELEVATION 120.86 It above ms] <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 160 to 175 fbq <br /> LOGGED BY S.Phillips DEPTH TO WATER(First Encountered) NA SZ <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 60.14 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 /> W F U F- w <br /> QO Q X W 2 (dO SOIL DESCRIPTION Z F I 111 LL DIAGRAM <br /> d mU Q W ❑v ❑ t7 UW <br /> N ❑ <br /> Soils not logged-see rAW-SA for lithology from 0 to 45 <br /> fbg. <br /> 5 <br /> ML <br /> 10 <br /> 12.5 <br /> 15 SM 'r <br /> 17.5 ru <br /> 20 CNf ^f <br /> e e onduao <br /> 25 <br /> 30 <br /> a <br /> w ML <br /> n _35- <br /> -40- <br /> -45- <br /> - <br /> 3540 45 Sandy SILT(ML):brown(10YR 413);moist;65%sift, <br /> n <br /> 35%fine sand. <br /> g <br /> N 49.5 <br /> 50 sM Silty SAND SMI,moist;35%silt,65%fine sand. 51.5 <br /> M SILT with Sand(ML);moist;75%silt,25%fine sand. d1 a - <br /> 55 <br /> g @ 55.5'-90%silt,10%very fine sand. <br /> F <br /> 0 <br /> 0 <br /> J <br /> 160 <br /> $ Continued Next Page PAGE 1 OF 3 <br />