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Cambria Environmental Technology, Inc. BORINGMELL 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 BORINGNVELL NAME S-5 <br /> JOB/SITE NAME Shell-branded Service Station DRILLING STARTED 15-Dec-03 <br /> LOCATION 2494 East Fremont Street,Stockton,Califomia DRILLING COMPLETED 17-Dec-03 <br /> PROJECT NUMBER 0797 WELL DEVELOPMENT DATE(YIELD) NA <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 22.31 ft above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 21.94 ft above msl <br /> BORING DIAMETER 10" SCREENED INTERVAL 57.5 to 67.5 fbq <br /> LOGGED BY A.Wettstone DEPTH TO WATER(First Encountered) 56.0 ft(17-Dec-03) <br /> REVIEWED BY J.Neely,RG 6927 DEPTH TO WATER(Static) 55.4 ft 1 <br /> REMARKS <br /> o <br /> E <br /> Lu Z = Z U� <br /> ° O z d Lu w Q O LITHOLOGIC DESCRIPTION z WELL DIAGRAM <br /> 0 m0 X �— UCL <br /> a U < w U U0 <br /> GM ASPHALT 0.3 <br /> Sandy GRAVEL(GM) ;very dark grayish brown(10YR 3/2); 1.0 <br /> M moist;10%sift,30%meduim sand,60%coarse gravel. <br /> 2.5 <br /> Clayey Sandy SILT(ML) ;dark yellowish brown(10YR 3/6); <br /> moist;15%clay,60%silt 20%fine sand,5%fine gravel;no <br /> plasticity. <br /> Clayey SILT(ML);very dark gray(10YR 3/1);moist;30% <br /> 0 S-5-5.6 S clay,60%silt, 10%fine sand;medium plasticity. <br /> 0 S-5-1 0.5' 10 @ 10'- yellowish brown(10YR 5/6);15%day,85%sift;low <br /> plasticity. <br /> 0 S-5-15.5' —15 <br /> — <br /> `VL <br /> 0 S-5-20.9 20 @ 20'-light olive brown(2.5Y 5/4);20%day,80%silt. <br /> 0 <br /> M <br /> J <br /> 0 0 S-5-2 5.5' 25 @ 25'- brown(10YR 4/3);20%day,75%silt,5%fine to medium <br /> sand. <br /> a <br /> Portland Type <br /> s <br /> z <br /> z <br /> LU 30- 30.0 <br /> 0 S-5-30.9 SILT(ML);dark yellowish brown(10YR 3/6);moist;10%day, <br /> N 85%silt,5%fine to medium sand;no plasticity. <br /> 0 <br /> 0 <br /> 0 <br /> J <br /> J <br /> >J <br /> 35 <br /> Contnued Next Page PAGE 1 OF 2 <br />