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DEPTH SAMPLE BLOW COUNT DRY UNIT MOISTURE (PP) <br /> h DESCRIPTION USCS WEIGHT CONTENT Qu <br /> GWL 7rsLast 3 2 <br /> ft 12 in Ib/ft % ton/ft <br /> 0' - 8' Dark brown to brown, slightly sandy <br /> silty CLAY, dry to damp, stiff to very <br /> stiff, medium to high plasticity <br /> CH <br /> 6 8 50 <br /> 8' - 33' Brown, silty CLAY to clayey SILT, <br /> damp, medium stiff to,stiff, low <br /> 4 17 plasticity <br /> 12 <br /> 3 29 L/ <br /> 18 ML <br /> 5 26 <br /> 24 <br /> 4 32 <br /> F <br /> 30 <br /> 7 47 laminated with;fine to medium sand <br /> below 30 ft <br /> 33' - 41' Dark brown to brown, clayey sandy <br /> SILT, very stiff to hard, damp, low <br /> —36 12 66 plasticity ML <br /> more sandy with depth <br /> 10 32/6" <br /> Boring terminated at 41 ft <br /> 42t <br /> NFWE <br /> Date Drilled: 08/08/91 <br /> Arco — Stockton LOG OF BORING NO. TB-1 <br /> BALBI & CHANG ASSOCIATES PROJECT NO. 1525-69 DATE 08/19/91 <br /> Geotechnical Consultants / Materials Testing PREPARED BY GYM PLATE A-2 <br />