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r <br /> r Boring Number SB-7 HORIZON ENVIRONMENTAL INC. <br /> Job Number 141912 <br /> Site Location Beacon #419, Stockton, CA <br /> Drilling Company V & W Drilling Drilling Method 8—Inch Hollow Stem Auger <br /> Drilled By Robert & Larry Sampling Method Split—Spoon Sampler <br /> Date Drilled 49/25/98 Total Depth 86 6 Feet <br /> r Logged By L Smith Depth To Groundwater 48 Feet <br /> v � <br /> O <br /> E p <br /> 2.2 m Soil <br /> v a <br /> Well <br /> Comments <br /> E —m° °' ° DescriptionF i Construction <br /> u n (n v <br /> r <br /> Asphoft (�') <br /> t 1 <br /> N/A Boring backrilled to surface <br /> CLAY, block, moist, high grade with cement <br /> 2 2 plasticity, no odor <br /> r 3 3 <br /> 4 4 <br /> r 5 5 <br /> 9 <br /> 6 t 10 18 18 0 e Very stiff, no odor CH <br /> rW 10 <br /> 7 7— <br /> a- <br /> 10— <br /> 810 10 <br /> 20SANDY SILT, reddish brown, <br /> 11 1 18 18 0 11 moist, very hard, low plasticity ML <br /> 27 odor <br /> r 12 12 <br /> 13 13 <br /> r 14 14 <br /> 15 15 <br /> m 8 <br /> r 16 8 18 18 0 16 Very stiff, no odor <br /> N 10 <br /> 17 17 <br /> 1$ 18 <br /> r 19 19 <br /> 20 20 <br /> r <br /> 24 n 18 19 18 18 0 21 Hard, no odor <br /> 22 W 21 22 <br /> 23 23 <br /> r 24 24 <br /> 25 LO 25 <br /> vs 27 CLAYEY SILT brownish red <br /> 26— S0 12 12 0 26 moist very hard, medium <br /> cn plasticity, no odor <br /> 27 27- <br /> 28— 28- <br /> 29 <br /> 30 30 <br /> (Boring Continued On Next Page) Page 1 Of 3 <br />