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LOG OF SOIL BO <br /> B m TWINING RING <br /> LABORATORIES. INC. BORING SP-1 <br /> Project: Fire Station #3 Project Number. A68108.01 <br /> Location: Stockton Date Started: 12/19/96 <br /> Logged By: K. D. Jones Date Completed: 12/19/96 <br /> Drilled By: Fisch Environmental Drill Type: GeoProbe 5400 <br /> Auger Type: Continuous Push <br /> Depth to Groundwater: 45 Feet Elevation: Approximately 25 Feet MS <br /> SOIL SYMBOLS <br /> (EPTH SAMPLER SYMBOLS USCS p Soil Description Blows pec Remarks <br /> (feet) AND rIELD TEST DATA FOOL <br /> 0 ........ ................. .............•-•-••................... . <br /> AC 6 inch asphaltic concrete and <br /> SC...... base rock. <br /> .-•---••••• .... ............ <br /> lell <br /> AND, Clayey; medium brown, <br /> graded, coarse to fine <br /> SW grain, moist. <br /> SAND; medium yellow brown, i <br /> g ...... well graded coarse to fine <br /> grain, moist. i <br /> ........... ..................................................... PID = 4 ppm <br /> CL Clay with Silt; medium red <br /> 10 brown, non—plastic, slightly <br /> moist. <br /> PID = 4 ppm <br /> 15 <br /> Black mottling, odor. PID = 1035 opm <br /> I <br /> L <br /> 20 Black mottling, odor. PID = 924 porn <br /> I <br /> No black mottling. PID = 74.0 ppm <br /> 25 <br /> SW SAND; medium yellow brown, <br /> well graded, very coarse <br /> grain to fine grain, slightly <br /> moist, mafic mineral grains P[D = l42 ppm <br /> plentiful. <br /> 30 <br /> Clay; medium brown, Blighty <br /> plastic, slightly moist. P(D = 10 ppm <br /> Notes: <br />