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PROJECT NO.: 25-0740-02 DATE DRILLED: 3/25/99 <br /> LOCATION: California Highway Patrol LOGGED BY: S. Larese <br /> 3330 North Ad Art Road APPROVED BY: T. Walker, RG <br /> Stockton, California DRILLING CO.: V&W Drilling <br /> DRILLING METHOD: 2-inch Diameter Direct-Push Geoprobe <br /> SAMPLER TYPE: Macro-Core Sampler BORING <br /> WTOTAL DEPTH: 25.0 feet <br /> 3 v a a s F m DEPTH TO WATER: N/A v o BACKFILL <br /> Oz a = <br /> m (D FZ d ca» o DESCRIPTION J <br /> 0 Hand-augured to 4.0 feet. 0 <br /> CLAYEY SILT: Brown, soft, dry, medium plasticity. ML <br /> 0 <br /> 5 Light brown, stiff, dry, low plasticity. 5 <br /> Neat <br /> ° Cement <br /> p 10 SANDY SILT: Light brown, soft, damp, well graded. 10- <br /> 0 15 SILTY SAND: Light brown, loose, dry, medium-grained, SM 15 <br /> well-graded. .° <br /> 4 <br /> a <br /> 0 20 Poorly graded. 20 <br /> 0 No 25 Fine-to coarse-grained, well-graded, 20% gravel. 25 d <br /> 30 30- <br /> -35 35 9 <br /> 0 <br /> 5 <br /> 40 40 <br /> :. ALTON B-1 <br /> GEOSCIENCE LOG OF EXPLORATORY BORING <br /> -''' Livermore, California PAGE 1 OF 1 9 <br />