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r <br /> Boring Number: B-3 AlftkHORIZON ENVIRONMENTAL INC. <br /> Job Number: 1474.11 <br /> Site Location: Beacon #474, Stockton, CA <br /> Drilling Company: Mitchell Drilling Environmental Drilling Method: Hollow Stem Auger <br /> Drilled By: Scott Sampling Method: Split—Spoon Sampler <br /> Date Drilled: 05/11/86 Total Depth: 45.5 Feet <br /> Logged By: G. Barker Depth To Groundwater: <br /> C C <br /> N C L 0. O <br /> E <br /> L a7 3 > O> C C' _ Soil <br /> O <br /> CL 0 <br /> Wel!; Comments <br /> mW c E�°' Descript'sonin ° in Construction <br /> y y O G ca 4 <br /> E d U W W V) O <br /> QI <br /> p m c o o U <br /> Vi c p, <br /> Asphalt 4 underlain by gravel <br /> roadbase W). <br /> 1 1 N/A Boring backfilled with neat <br /> cement to surface grade. <br /> 2 2 <br /> 3 3 <br /> 4 4 <br /> 5 ul 19 18 18 1 5 SILTY CLAY, dark brown, moderate CL <br /> N 24 plasticity, dry, very stiff. <br /> 6 6- <br /> 7— 7 <br /> 8 8 <br /> 9 9 <br /> 0 17 <br /> 1018 18 18 1 10 tan to gray. <br /> � rn 21 <br /> 11- <br /> 12— <br /> 1 12 12 <br /> 13 13- <br /> 14— 14 <br /> 28 SILT AND CLAY, some very fine—grained <br /> 15 j 23 18 18 0 1s sand, brown with dark brown mottling, ML <br /> 21 low plasticity, dry, stiff. <br /> 16 16 <br /> 17 17- <br /> 115— 115- <br /> 19— <br /> 819 19 <br /> 20 Co`+ 22 18 18 2 19 20 brown. <br /> 21 24 21 <br /> 22 22 <br /> 23 23- <br /> 24— 24 <br /> 25 N 20 25 SANDY SILT AND CLAY, very fine—grained <br /> 1 23 18 15 o stringers, brown and tan, low plasticity, <br /> 26 <br /> (n26 <br /> 29 dry, very stiff. <br /> 27 27 <br /> 28 28- <br /> 29 29 <br /> reddish brown. damp. <br /> 30 30 <br /> (Boring Continued On Next Page) Page 1 Of 2 <br />