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DEPTN SAMPLE BLOW COUNT DRY UNIT MOISTURE GASTECH <br /> a DESCRIPTION USCS WEIGHT CONTENT READING <br /> WL First Last <br /> r ft G S In 12 InIprftS PPM <br />! '- 4' Brown, silty CLAY, moist, stiff, low <br /> plasticity , <br /> 3 19 CL <br /> • 0 <br /> 4 '- 10' Brown, sandy clayey SILT, moist, — <br /> medium stiff, low plasticity <br /> 2 13 0 <br /> MIL <br /> 8 <br /> 10' - 14' Tan and pray mottled,slightly clayey <br /> 1 5 fine to medium SAND, moist, loose, 0 <br /> low to non-plastic <br /> 12 SC <br /> 14'-21.5' Yellowish brown,clayey SILT,moist, <br /> medium stiff, low plasticity <br /> 16 3 15 MIL 0 <br /> 20 <br /> 2 6 <br /> Boring terminated at 21.5 ft <br /> 4 Groundwater encountered at 13 ft <br /> Date Drilled: 12/14/90 <br /> Former Puregro Facility LOG OF BORING NO. TB-1 <br /> BALBI & CHANG ASSOCIATES PROJECT NO. 037-1 DATE ' 12/27/90 <br /> Geotechnical Consultants / Materials Testing PREPARED 0Y GYM PLATE A-2 <br />