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DEPTH SAMPLE BLOW COUNT DRY UNIT MOISTURE (PP) <br /> 3 DESCRIPTION USCS WEIGHT CONTENT Qu <br /> First Last <br /> It GWL 6 in 12 in Ib/ft % ton/ft <br /> 0' - 6' Dark brown to black, silty CLAY, <br /> moist, medium stiff, high plasticity <br /> CH 81 54 0.9 <br /> 2 8 <br /> 4 <br /> 5 19 — _ 113 4 <br /> 6' - 16' Tannish brown, clayey SILT, damp, <br /> medium stiff to stiff, low plasticity <br /> 8 <br /> ML <br /> 5 25 <br /> 12 <br /> 4 26 <br /> 16 <br /> 16'-21.5' Tannish brown, silty CLAY to clayey <br /> SILT, damp, stiff, low plasticity <br /> CL4 <br /> 20 <br /> 7 33 <br /> Boring terminated at 21.5 ft <br /> 24 NFWE <br /> Date Drilled: 08/08/91 <br /> Arco - Stockton LOG OF BORING NO. TB4 <br /> BALBI & CHANG ASSOCIATES PROJECT NO. 1525-69 DATE 08/19/91 <br /> Geotechnical Consultants / Materials Testing PREPARED BY GYM PLATE A-5 <br />