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Conesto a-Rover: •sociates <br /> 19449 Rverside Drlv,;, Suite 230 BORING/WELL LOG <br /> Sonoma,CA 95476 <br /> .� Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shelf Oil Products US BORINGIWELL NAME MW-6 <br /> JOBISITE NAME Former Shell Pipelines-Mountain House NBH B DRILLING STARTED 03-Sep-09 <br /> LOCATION Tracy,California DRILLING COMPLETED 11-Seo-09 <br /> PROJECT NUMBER 060222 WELL DEVELOPMENT DATE(YIELD) 24-Sep-09(25.0 gallons) <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 113.84 ft above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 116.29 ft above msl <br /> BORING DIAMETER 8" SCREENED INTERVAL 23 to 38 thq <br /> LOGGED BY C.Rodriguez DEPTH TO WATER(First Encountered) 33.8 ft(1 1-Sep-09) Q <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 30.46 ft(30-Sep-09) 1 <br /> REMARKS Air Knifed to 1 fbg;Water knifed to 5 fbq Above ground construction consisting of a 2 ft Stovepipe <br /> E rn F U } m <br /> CL Lu ZCL 5 Z LL <br /> F^ N = U <br /> M O X CL ul`� vi Q O SOIL DESCRIPTION I¢—= WELL DIAGRAM <br /> a L) vQi W = O O w <br /> UO <br /> SILT(MLI;brown(10YR 4/3);dry;20%clay,75%silt, Completed with <br /> 5%fine-grained sand;low to medium plasticity;grassy 2'tall stovepipe. <br /> surface with fine cracks;silt has blocky structure, <br /> compacted. <br /> 0.4 fo 5 ML Sandy SILT(ML);olive brown(2.5Y 4/4);dry;20%Gay, <br /> 20 50%silt,30%fine-grained sand;low plasticity;caliche <br /> veins present. <br /> 0.2 <br /> 10 @ 9'-55%silt,45%fine-grained sand;low plasticity; Portland Type II <br /> loose. <br /> -- -------------------------- 11.7 <br /> 0.7 a SILT(ML);olive brown(2.5Y 4/4);blocky structure,30% <br /> 15 clay,65%silt,5%fine-grained sand;medium to high <br /> 12 <br /> ML plasticity. <br /> H <br /> 0 <br /> n <br /> LL 0.1 a @ 18.5'-moist,10%clay,80%silt,10%fine-grained <br /> 0 20 sand;low plasticity;buttery,smooth texture" <br /> _______ 20.5 Bentonite Seal <br /> SAND fSP);light olive brown(2.5Y 5/4);dry;95%fine to <br /> medium-grained sand;5%fine-grained gravel;trace Monterey Sand <br /> = subangular to subrounded gravel up to 1 cm diameter. <br /> z #21122 <br /> N 0.1 ,o SP <br /> N " 25 <br /> ------------------ 26.5 <br /> L) SP-SM <br /> 0.0 SAND with silt(SP-SM);yellowish brown 110YR 5/4)• <br /> 29.5 <br /> 30 ML moist'10%silt 90%fine-grained sand;caliche resent 30.5 <br /> S — SILT(ML);yellowish brown(f OYR 5/4),moist;20%clay, 7'-diam.,0.020" <br /> g �\70%silt`10%fine rained sand;medium plasticity:stiff.—/ Slotted Schedule <br /> Silty SAND(SM);silt increases with depth. 40 PVC <br /> o SM <br /> @ 33.5'-yellowish brown(10YR 5/4);wet;30%sift,70% Q <br /> y 35—_—IF fine-grained sand. 35.5 <br /> ___ ______ <br /> W SILT(MLI;yellowish brown(1 OYR 5/4);moist;35%clay, <br /> ML 60%silt,5%fine-grained sand;high plasticity. <br /> e 38.0 <br /> 0 <br /> 0 40 <br /> Bottom of <br /> Boring @ 38.5 <br /> a ft <br /> C7 <br /> O <br /> J <br /> 45 <br /> PAGE 1 OF 1 <br />