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Conestoga-Rovers&Associates <br /> 19449 Riverside Drive, Suite 230 BORING/VIIELL LOG <br /> y' Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGIWELL NAME MW-6 <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House,NBH C&D DRILLING STARTED 21-Jan-09 <br /> LOCATION Tracy,CA DRILLING COMPLETED 04-Feb-09 <br /> PROJECT NUMBER 060222 WELL DEVELOPMENT DATE(YIELD) 25-Sep-09(43.0 gallons) <br /> DRILLER Gregg Drilling,C-57#485165 GROUND SURFACE ELEVATION 96.30 ft above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 98.63 It above msl <br /> BORING DIAMETER 10" SCREENED INTERVAL 20 to 34.9 fbq <br /> LOGGED BY S.Phillips DEPTH TO WATER(First Encountered) 27.5 ft(04-Feb-09) <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 31.22 ft(30-Sep-09) 1 <br /> REMARKS Air knifed to 5 fbq. Above ground construction consisting of a 2 ft.Stovepipe. <br /> U 0 <br /> F- W Z = <br /> O a W Q O SOIL DESCRIPTION = WELL DIAGRAM <br /> J <br /> d mU Q W C9 UW <br /> rn U U <br /> SILT(ML);brown(7.5YR 4/2);dry;20%clay,70%silt, <br /> 10%fine to coarse sand;low plasticity. <br /> @ 1'-30%clay,65%silt,5%fine to coarse sand;low to <br /> medium plasticity. <br /> 1.1 6 MMW-6-5 5 SILT with Sand(ML);dark yellowish brown(10YR 4/4); <br /> e dry;30%clay,55%silt, 15%sand;medium plasticity. <br /> Portland Type 1/II <br /> a <br /> 0.4 19 MW-6-10 10 @ 10'-20%clay,65%silt, 15%sand. <br /> ML <br /> 0 1 <br /> 2.1 s MW-6-1515 <br /> 0 <br /> �? Bentonite Seal <br /> J <br /> Q <br /> LL <br /> w a Monterey Sand <br /> 0 s <br /> #2/12 <br /> 1.9 14 MW-6-20 20 <br /> N <br /> N <br /> N <br /> O <br /> O <br /> O <br /> J <br /> W 3 <br /> e25 __ ________ _________________ 25.0 <br /> co 1.9 MW-6-25 Sandy SILT(ML);dark yellowish brown(10YR 4/6);dry; <br /> N MLS 5%clay,60%silt,35%sand;medium plasticity. <br /> No __ _ _______________________ _ 27.5 4"-diam.,0.020" <br /> Silty SAND(SM);dark yellowish brown(10YR 4/6};wet; Slotted Schedule <br /> 0 5%clay,25%silt,70%fine sand. 40 PVC <br /> a <br /> a —30— <br /> a: MW 30a @ 30'-yellowish brown(10YR 5/8). <br /> X 1 <br /> SM - <br /> Lu <br /> x <br /> z 3 <br /> O 3 <br /> 0 0.3 a MW-6-35 35 35.5 <br /> Bottom of <br /> Boring @ 35.5 <br /> o ft <br /> J <br /> 40 <br /> PAGE 1 OF 1 <br />