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Cambria Environmental Technology, Inc. BORING/WELL LOG <br /> 270 Perkins Street <br /> Sonoma, California 95476 <br /> Telephone: (707)935-4850 <br /> Fax: (707) 935-6649 <br /> • CLIENT NAME Shell Oil Products US BORING/WELL NAME S-5 <br /> JOBISITE NAME Shell-branded Service Station DRILLING STARTED 15-Dec-03 <br /> LOCATION 2494 East Fremont Street Stockton California DRILLING COMPLETED 17-Dec-03 <br /> Continued from Previous Page <br /> rn <br /> LU X <br /> CL z <br /> ui U <br /> 0z L <br /> U3 o E6 LITHOLOGIC DESCRIPTION z F WELL DIAGRAM <br /> M0 X <br /> Q <br /> CL U = C7 O <br /> 0 S-5-3 5.5' <br /> @ 35'- 5%clay,95%silt. <br /> 0 S-5.41' 40 <br /> @ 40'- dark yellowish brown(10YR 414). <br /> 0 S-5-4 5.5' 45 <br /> @ 45'- dark yellowish brown(10YR 416). <br /> 0 S-5-5 0.5' 50 <br /> @ 50'- dark yellowish brown(10YR 4/4):dry;5%clay, <br /> ML 85%silt, 10%very fine sand. <br /> Bentonite Seal <br /> 0 S-5-55.51 55 1 <br /> @ 55'-Sandy SILT(ML); light olive brown(2.5Y 514); SZ <br /> wet;10%clay,65%silt,25%very fine sand. Monterey <br /> Sand#2112 <br /> 0 S-5-6 0.5' 60 <br /> @ 60'- dark yellowish brown(10YR 4/6);wet; 10%clay, <br /> 70%silt,20%very fine sand. <br /> 4"-diam., <br /> 0.020"Slotted <br /> Schedule 40 <br /> PVC <br /> LL 0 S-5-6 5.5' <br /> 65 <br /> c @ 65'-Silty 5ANDIML);olive brown(2.5Y 414);wet; <br /> 15%silt,85%fine to very fine sand. <br /> @ 67'-SILT(ML ;olive brown(2.5Y 414);moist;5% 67.5 <br /> 0 S-5-6 7.5' cla 95%silt-no lastici Bottom of <br /> @ 67.5'-Clayey SILT(ML);olive brown(2.5Y 414); Boring @ 68 ft <br /> moist;30%clay,65%silt,6%fine sand;medium <br /> plasticity. <br /> r <br /> a <br /> c� <br /> 0 <br /> J <br /> J <br /> WSJ <br /> J <br /> PAGE21or2 <br />