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. ° ~ Conestoga-Rovers isociates BORfNG/WELL LOG <br /> 19449 Riverside Drive,Suite 230 <br /> (-ate ti� Sonoma,CA 95476 <br /> F Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGMELL NAME MW-13 <br /> JOB/SITE NAME Former Shell Pipelines-Mountain House,NBH B DRILLING STARTED 01-Seo-09 <br /> LOCATION Tracy,California DRILLING COMPLETED 10-Sep-09 <br /> PROJECT NUMBER 060222 WELL DEVELOPMENT DATE(YIELD) 24-Sep-09(30.0 gallons) <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 103.06 ft above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 105.94 ft above msl <br /> BORING DIAMETER 8" SCREENED INTERVAL 22 to 37 fbq <br /> LOGGED BY C.Rodriguez DEPTH TO WATER(First Encountered) 24.0 ft(08-Sep-09) <br /> REVIEWED BY J.Gaarder DEPTH TO WATER(Static) 26.96 ft(3D-Sep-09) 1 <br /> REMARKS Air Knifed to 1 fbq;Water Knifed to 5 fbq.Above ground construction consisting of a 2 ft.Stovepipe. <br /> N FU ~ <br /> = <br /> CL O a a Q C6 a¢o SOIL DESCRIPTION z? WELL DIAGRAM <br /> a °°o ¢ W o w <br /> O <br /> co U <br /> SILT(ML):brown(10YR 4/3):dry;25%clay,70%silt, Completed with <br /> 5%fine sand;medium plasticity;block structure;compact; 2'tali stovepipe. <br /> grassy surface with cracks up to 1 cm in diameter. <br /> 0.4 7 5 @5'-Sandy SILT(ML);olive brown(2.5Y 4/4);dry;soft; <br /> s ML 65%silt,35%fine sand;low plasticity;block structure; <br /> compact. <br /> @85-SILT with Sand(ML):olive brown(2.5Y 4/4); Portland Type II <br /> 0.0 s 10 dry;10%clay,75°x6 silt,15%fine sand;low to medium <br /> 13 <br /> plasticity. <br /> @9.5'-:Sandy SILT(MIL);olive brown(2.5Y 4/4);dry; 12,0 <br /> �frm�5%clay160%siity35%finesand lowplasticity_--�1 <br /> 0 <br /> 0 <br /> 0.0 1 sp-SM SAND with Silt(SP-SM);olive brown(2.5Y 4/4);dry; <br /> o +2 15 medium dense;10%silt,90%fine sand. <br /> 0 <br /> r <br /> D 17.0 <br /> W <br /> sw <br /> R s SAND(SW);olive brown(2.5Y 4/3);dry;90%fine to 19.5 Bentonite Seat <br /> scoarse sand; 10%fine ravel. <br /> 0.0 a 20 SILT with Sand(ML)'olive brown(2.5Y 4/3);dry;loose; <br /> ° 80%silt,20%fine sand;low plasticity. Monterey Sand <br /> ry #2112 <br /> N <br /> O <br /> ML Sandy SILT(ML);olive brown(2.5Y 4/3);moist;65% <br /> w <br /> 0.0 silt,35%fine sand;low plasticity. <br /> 25 @24.5'-wet;55%silt,45%fine sand;low plasticity. <br /> i <br /> N — ------------------------- 27.0 <br /> s Silty SAND(SM);olive brown(2.5Y 4/3);wet;45%silt, <br /> 9 0.0 a 30 SM 55%fine sand. Slotted Schedue <br /> @29'-firm. ao PVC <br /> y 31.5 <br /> e -- -------------------------- <br /> w <br /> x <br /> q e SILT(ML);olive brown(2.5Y4/3):wet;firm;25%clay, <br /> 0 0.0 � 3, ML 65%silt, 10%fine sand;medium plasticity,caliche veins. <br /> Z <br /> 0 <br /> h 0.0 <br /> 37.0 <br /> 0 <br /> a <br /> oBottom of <br /> Boring @ 37 ft <br /> 40 <br /> PAGE 1 OF I <br />