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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 09/25/98 Total Depth 88 Feet <br /> Logged By L Smith Depth To Groundwater 48 Feet <br /> E 2 o <br /> rm c o' c ca uo <br /> a� z U o iv = a Z Soil v a Well <br /> d o CO a -6 E°: Description y o om, Comments <br /> C E m 0 m 8 o ca ` Construction <br /> o Cu o U <br /> to a <br /> 31n 22 18 16 0 31 SANDY SILT, reddish brown moist, hard, N/A Boring <br /> backfilled to surface <br /> 19 low to medium plasticity, no odor ASL grade with cement <br /> 32 32 <br /> 33 33- <br /> 34— 34 <br /> 35 35 <br /> 36 22 <br /> j 22 18 12 0 36 <br /> 37 N 23 37- <br /> 38 38- <br /> 39 39 <br /> 40 40 <br /> 33 <br /> 41 g 50 12 12 0 41 Yellowish brawn, hard <br /> in <br />' 42 42 <br /> 43 43 <br /> 44 44- <br /> 45 45 <br /> 46 <br /> 24 18 18 Q 46 wet, no odor <br /> I47 in 25 47- <br /> 48— 48- <br /> 49— <br /> 8 49 49- <br /> 50 50 <br /> I 51 21 51 <br /> � 23 18 18 0 Increasing sand content <br /> 52 024 52 <br /> 53 53 <br /> I 54 54- <br /> 55— 55 <br /> 56 0 27 18 16 D 55 With light greenish gray lenses of <br /> y 27 sand <br /> 57 57 <br /> 58 58 <br /> 591LL 59 <br /> 60 50 <br /> I (Boring Continued On Next Page) Page 2 Of 3 <br />