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Cambria Environmental Technology, Inc. BORING/WELL LOG 270 Perkins Street Sonoma,California 95476 Telephone: (707) 935-4850 Fax: (707)935-6649 CLIENT NAME Shell Oil Products US BORINGIWELL NAME S-2-85 JOBISITE NAME Shell-branded Service Station DRILLING STARTED 17-Dec-03 LOCATION 2494 East Fremont Street Stockton California DRILLING COMPLETED 19-Dec-03 Continued from Previous Page (n '6 U U C2 CL LU z M O O g X w 0 Q LITHOLOGIC DESCRIPTION Z WELL DIAGRAM Cn s @ 35'-dark yellowish brown(10YR 4/6); medium dense; " 5%clay, 15%silt,80%very fine sand. SM 38.0 Portland Type Ill l 9 40— CLavey SILT(ML);light yellowish brown(10YR 614); 10 very stiff;moist;30%clay,60%silt, 10%very fine sand; low plasticity. @ 41'-Clayey Sandy SILT(ML);yellowish brown (10YR 516);very stiff;moist; 15%clay,45%silt,40%fine sand;no plasticity. 1s 45— @ 45'-Sandy SILT(ML);dark yellowish brown(10YR 12 414);very stiff;dry;10%clay,55%silt,35%fine sand;no plasticity. i12 50 @ 50'-yellowish brown(10YR 5i6);hard;10%clay,60% 19 silt,30%fine sand. soa 55— @ 55'-dark yellowish brown(10YR 416). ML a 60 @ 60'-Clayey Sandy SILT(ML);dark yellowish brown SL a 12 (10YR 416);very stiff;wet;20%clay,50%silt,30%very fine sand;low plasticity. 0 a @ 65'-20%clay,50%silt,30%very fine to coarse sand; 0 11 no plasticity. IL c� C7 ' 21 70 70'-Sandy Clayey SILTAML;dark yellowish brown a (10YR 416);hard;wet;35%clay,40%sil ,25%fine to 13 medium sand;low plasticity. z3 @ 72'-Clayey Sandy SILT(ML);dark yellowish brown Q 13 (10YR 314);hard;moist;20%clay,55%silt,25%fine to o e medium sand;low plasticity. @ 73'-Sandy Clayey SILT(ML); yellowish brown 19 75 (10YR 514);stiff;moist;35%clay,40%silt,25%fine to Continued Next Page PAGE 2 OF 3