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BORING LOG <br /> Protect No Boring Diameter 9" Logged By �G G <br /> KEI-P89-1104 Casing Diameter N/A W W <br /> Protect Name Unocal S/S#5421 Well Cover Elevation Date Drilled <br /> 7303 Pacific Avenue,Stockton 11/10/92 <br /> Boring No DrilLng Hand Drilling Company <br /> EB5 Method Auger Woodward Drilling Co <br /> Penetration G.W. Depth Strati- <br /> blows/6" level (feet) graphy Description <br /> Samples USCS <br /> 0 <br /> Five inch concrete stab over sand and gravel base <br /> Silty clay,estimated at 5% gravel to 3/4 inch in diameter, stiff, <br /> moist,brown 00YR 4/3) <br /> Silty clay,estimated at 15% silt and 5-1090 fine-grained sand <br /> moist, very dark gray (5Y 3/1) <br /> CL <br /> 5 <br /> Silty clay,estimated at 25% silt and 5% fine-grained sand <br /> moist,pale brown (10YR 6/3) <br /> _—_——— Silt,estimated at 10-15%clay and trace sand moist light <br /> MI' ——_- brownish gray(10YR 6/2 <br /> 10 <br /> TOTAL DEPTH 10' <br /> 15 <br /> 20 <br /> Pao eIofI <br />