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Conestoga-Rovers soe 23 BORINGIWELL 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 BORINGIWELL NAME MW-8 _ <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House NBH C&D DRILLING STARTED 21-Jan-09 <br /> LOCATION Tracy,CA DRILLING COMPLETED 03-Feb-09 <br /> PROJECT NUMBER 060222 WELL DEVELOPMENT DATE(YIELD) 25-Sep-09(13.0 gallons) <br /> DRILLER Gregg Drilling,C-57#485165 GROUND SURFACE ELEVATION 95.22 ft above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 98.52 ft above msl <br /> BORING DIAMETER 10" SCREENED INTERVAL 20 to 34.9 fbq <br /> LOGGED BY S.Phillips DEPTH TO WATER(First Encountered) 30.0 ft(03-Feb-09) Q <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 30.44 It(30-Sep-09) 1 <br /> REMARKS Air knifed to 5 fbq. Above ground construction consisting of a 2 ft Stovepipe <br /> E N H U rn <br /> CL �f— W Z F=- co = U 2 <br /> oa"' N W 0 v a-0 SOIL DESCRIPTION F<__ <br /> a m 0 ¢ x cn Qq_j Z� WELL DIAGRAM <br /> UJ A p o- <br /> V) U WO <br /> SILT(ML);brown(7.5YR 4/2);dry;20%clay,75%silt, <br /> 5%fine to coarse sand;low plasticity. <br /> @ 1.5'-30%clay,65%silt,5%fine to coarse sand;low to <br /> ML medium plasticity. <br /> 0.0 ii Malas 5 Sandy SILT(ML);brown(I OYR 5/3);70%sift,30%fine__ 5.0 <br /> 7e to coarse sand;low plasticity. <br /> MLS <br /> Portland Type 1/II <br /> 14 <br /> 0.0 10 MW-6-10 10 SILT(ML);light yellowish brown(1 OYR 6/4);dry;30% 10.0 <br /> clay,60%silt,10%fine sand;medium plasticity. <br /> a 11 <br /> 0.0 13 MWa16 15 @ 15'-moist <br /> 0 <br /> ML Bentonite Seal <br /> D <br /> LL <br /> w a Monterey Sand <br /> 0 <br /> #7J12 <br /> 0.0 12 MW-8-20 20 SILT with Sand(MLL;light yellowish brown(t OYR 6/4); <br /> N <br /> moist;25%clay,40%silt,25%fine to coarse sand; <br /> o medium plasticity. <br /> LU 8 <br /> ___________ ___ 25.0 <br /> 0.0 " MW-8-25 25 Silty SAND(SM);yellowish brown(10YR 5/6);moist; <br /> 30%clay,30%silt,40%sand. <br /> N <br /> 2"-diam.,0.020" <br /> N Slotted Schedule <br /> a 40 PVC <br /> s SM <br /> cc 10 30 <br /> S O.0 MW-8-30@ 30'-wet;5%clay,30%silt,65%sand. _ <br /> Y <br /> m <br /> U) <br /> 34.0 <br /> OZ 0.0 a rtwa 35 ML SILT fML) yellowish brown(10YR 5/4);wet;25%clay, 35.0 <br /> o 34.5 65%silt 10%fine sand;high plasticity.. <br /> o Bottom of <br /> Boring @ 35 ft <br /> 0 <br /> J <br /> J <br /> J <br /> 40 <br /> PAGE 1 OF 1 <br />