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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 VS BORINGIWELL NAME S-6 <br /> JOBISITE NAME Shell-branded Service Station DRILLING STARTED 16-0ec-03 <br /> LOCATION 2494 East Fremont Street Stockton California DRILLING COMPLETED 16-Dec-03 <br /> Continued from Previous Page <br /> p H-CL e <br /> a O j a F a a p LITHOLOGIC DESCRIPTION �= WELL DIAGRAM <br /> m0 X ❑ On- <br /> a. U W C7 U Q <br /> 2 @ 35'-Clayey SILT(MI.);dark yellowish brown(10 <br /> 18 YR 414);hard;moist;20%clay,70%silt, 10%very fine <br /> sand;low plasticity. <br /> ,5 40— @ 40'-pale brown(10YR 414);dry;20%clay,75%silt, <br /> 19 5%fine sand;low plasticity. <br /> 12 45 20 @ 45'-yellowish brown(10YR 514);moist. <br /> 25 <br /> 17 25 50— @ 50'-Sandy SILT(ML);yellowish brown(10YR 516); <br /> S1 hard; moist;5%clay,70%silt;25%very fine sand;no <br /> plasticity. <br /> ML <br /> 1 <br /> 5 <br /> 55— <br /> @ 55'-yellowish brown(10YR 514);very stiff;10%clay, <br /> 19 65%silt,25%very fine sand. <br /> Bentonite Seal <br /> Monterey <br /> 1s 60 Sand#2112 <br /> 1s @ 60'-Silty SAND(ML);dark yellowish brown(10YR <br /> 17 414);dense;wet;15%silt,85%fine to very fine sand;with <br /> 1s greenish gray(10Y 611)mottling, <br /> ,i @ 62'-no mottling present. <br /> 79 @ 63'-Sandy SILT(ML)-,light olive brown(2.5Y 513); <br /> 19 dense;wet;20%silt,80%fine sand;no plasticity. <br /> 15 65 @ 64'- Silty SAND ML);dark yellowish brown(10YR 4"-diam., <br /> LL ,z 414);dense;wet;20%silt,80%fine sand. 0.020"Slotted <br /> o s @ 65'-Sandy Clayey SILT(ML);light olive brown Schedule 40 <br /> ii ;s (2.5Y 513);very stiff;moist;20%clay,60%silt,20%fine PVC <br /> sand;law plasticity. <br /> 'r @ 66'-yellowish brown(10YR 514);205 clay,65%silt, <br /> 15%fine sand;low plasticity. <br /> 9 @ 69'-Silty SAND(ML);light olive brown(2.5Y 513); <br /> 8 70 medium dense;wet; 10%clay,35%silt,55%very fine 70 5 <br /> U1 sand. Bottom of <br /> @ 70'-Clayey SILT(ML); yellowish brown(10YR Boring @ 70.5 <br /> 514);very stiff;moist;25%clay,75%silt,5%fine sand; ft <br /> o medium sand. <br /> a <br /> [7 <br /> O <br /> J <br /> J <br /> J <br /> PAGE 2 OF 2 <br />