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Conestoga-Rovers ssociates 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 BORING/WELL NAME MW-3 <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House, NBH CBDDRILLING STARTED 19-Jan-09 <br /> LOCATION Tracy,CA DRILLING COMPLETED 04-Feb-09 <br /> PROJECT NUMBER 060222 WELL DEVELOPMENT DATE(YIELD) 22-Sep-09(60.5 gallons) <br /> DRILLER Gregg Drilling,C-57#485165 GROUND SURFACE ELEVATION 94.88 ft above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 97.41 ft above ms] <br /> BORING DIAMETER 10" SCREENED INTERVAL 20 to 34.9 fbq <br /> LOGGED BY S.Phillips DEPTH TO WATER(First Encountered) 28.0 ft(04-Feb-09) <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 29.66 ft(30-Sep-09) 1 <br /> REMARKS Air knifed to 5 fbq. Above ground construction consisting of a 2 ft.Stovepipe. <br /> to }— U ~ <br /> C. F W Z = <br /> CL O Z ii W a v a 0 SOIL DESCRIPTION = WELL DIAGRAM <br /> p m0 2 X 0 zi g_j 00- <br /> n- 0 < W 0 C)o <br /> "''` SOD. 0-5 <br /> SILT with Sand(ML);dark yellowish brown(10YR 4/6); <br /> dry;45%clay,35%silt,20%sand;medium plasticity. <br /> @ <br /> 4'-brown(10YR 413). <br /> 1.4 ', MW-3-5 5 @ 5'-35%clay,45%silt,20%sand. <br /> e <br /> Portland Type 1/II <br /> 3 @ 9'-dark grayish brown(10YR 4/2). <br /> 2.2 4 Moa-10 10 ML <br /> o ; yellowish brown(10YR 5/4). <br /> 0.3 5 MWa 15 15 <br /> Sentonite Seal <br /> a < <br /> wMonterey Sand <br /> s 20.0 $2/12 <br /> 1.6 1e. MW-3-20 20 Sandy SILT(ML);dry;20%clay,45%silt,35%sand: <br /> MLS medium plasticity. <br /> N <br /> 22.5 <br /> Silty SAND(SM):brown(7.5YR 413);moist;30%silt, <br /> 0 70%sand. <br /> S 1.6 ' MW-3-25 25 <br /> N <br /> N <br /> 0 SMQ 4"-diam.,0.020" <br /> - Slotted Schedule <br /> 0 40 PVC <br /> g 2 @ 24'-yellowish brown(10YR 514);wet. t <br /> W s Mw-3-30 30 <br /> W 32.5 <br /> v=, SILT with Sand(MU:brown(10YR 5/3);dry;30%clay, <br /> ML 50%silt,20%sand. <br /> 5 6 <br /> 0 1.3 a MW-3-35 35 35.5 <br /> Bottom o1 <br /> Boring @ 35.5 <br /> o ft <br /> J <br /> J <br /> 40 <br /> PAGE 1 OF 1 <br />