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Conestoga-Rovers sociates BORING/WELL LOG <br /> r J 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-11 _ <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House,NBH C&DDRILLING STARTED 04-Feb-09 <br /> LOCATION Tracy,CA DRILLING COMPLETED 21-Apr-09 <br /> PROJECT NUMBER 060222 WELL DEVELOPMENT DATE(YIELD) 25-Sep-09(67.5 gallons) <br /> DRILLER Gregg Drilling,C-57#485165 GROUND SURFACE ELEVATION 97.09 ft above msl <br /> DRILLING METHOD Holiow-stem auger TOP OF CASING ELEVATION 99.74 ft above msl <br /> BORING DIAMETER 10 SCREENED INTERVAL 23 to 38 fbq <br /> LOGGED BY S.Phillips DEPTH TO WATER(First Encountered) 28.0 ft(21-Apr-09) <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 30.66 ft(30-Sep-09) 1 <br /> REMARKS Air knifed to 5 fbg. Above ground construction consisting of a 2 ft.Stovepipe. <br /> N U U� <br /> E �:H W Z X <br /> XW SOIL DESCRIPTION WELL DIAGRAM <br /> m o <br /> a- v < W L5 Uw <br /> v <br /> SILT(ML);brown(7.5YR 4/2);dry;35%clay,55%silt, <br /> 10°x6 fine to medium sand;medium plasticity. <br /> ML <br /> 5.0 <br /> 0.0 u N+w-11_5 5 SILT(MQ:brown(7.5YR 412);dry;35%clay,55%silt, <br /> 12 10%fine to medium sand;medium plasticity. <br /> ML <br /> 10.0 Portland Type Illi <br /> 0.0 14 Mw-�1-to 10 SILT fML);brown(7.5YR 412);dry35%clay,55%silt, <br /> 16 109/6 fine to medium sand;medium plasticity. <br /> 0.0 13 MW-ll-15 15 ML <br /> Qo 12 <br /> F- <br /> C�7 <br /> fo 20 20.0 Bentonite Seal <br /> 0.0 ' Mw 11-20 $1 LT ML ;brown(7.5YR 4/2);dry;35%clay,55%silt, <br /> 0 13 10%fine to medium sand;medium plasticity. <br /> a ML <br /> c7 <br /> i <br /> 25.0 ' <br /> 0.0 8 <br /> MW-11-25 25 SILT(ML);brown(7.5YR 4/2);moist;35%clay,55% <br /> b " silt,10%fine to medium sand;medium plasticity. <br /> Lu ML Q <br /> N30.0 Monterey Sand <br /> 0.0 a Mw 11-zs 3 Silty SAND(SM):brown(7.5YR 5/4);wet; 15%clay, 1 #2/1z <br /> 7 35%silt,50%fine to coarse sand. a-diam.,0.020- <br /> Slotted Schedule <br /> o SM _ 40 PVC <br /> 9 <br /> W <br /> K <br /> = 0.0 s Mw-il• 35 35.0 <br /> 5 Silty SAND ISM);brown(7.5YR 5/4);wet; 15%clay, <br /> z 35%silt,50%fine to coarse sand. <br /> i <br /> SM <br /> 2 <br /> O <br /> 0 40 40.0 Bottom of <br /> Boring @ 38 ft <br /> 0 <br /> v <br /> c� <br /> 0 <br /> J <br /> J <br /> �+ 45 <br /> PAGE 1 OF 1 <br />