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Boring Number, SB-7 HORIZON ENVIRONMENTAL INC. <br /> Job Number 1419 12 <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 86 Feet <br /> Logged By L Smith Depth To Groundwater 48 Feet <br /> o a <br /> c 2 0 <br /> c o+� w <br /> L N 0 <br /> CLU_ z U- v E a Z Soil ,�a C Well Comments <br /> Q a o r 8 o c Description y L Construction <br /> E m u o � rn'— o <br /> rn <br /> 61 w 23 18 16 0 61 SANDY SILT, with thin sand lenses and N/A Boring boc�lled to surface <br /> 29 hard clay lenses yellowish brown, wet ML grade with cement <br /> 62 62 hard <br /> 63 63 <br /> 64 64 <br /> 65 65 w <br /> 66 20 w 21 18 18 0 66 SAND, medium—grained, dark brown wet Sp <br /> v 25 dense well graded no odor <br /> I 67 67 <br /> 68 68- <br /> 69 69 <br /> 70 70 <br /> 12 <br /> 71 n 16 18 18 0 71 <br /> 72 17 72 <br /> 73 73- <br /> 74— 74- <br /> 75- <br /> 475 ,q 29 75 <br /> 76 ^ 50 18 12 0 76 Thin cemented lenses very dense <br /> 77— 77- <br /> 78— 78- <br /> 79— 79— <br /> so- <br /> 98o 27 80 <br /> 51 j 50 18 12 0 81 SANDY SILT yellowish brown wet hard ML <br /> cn low plasticity, no odor <br /> 82 82- <br /> 83- <br /> 84— <br /> 28384 84 <br /> SAND with thin cemented silt lenses Sp <br /> 85 85 medium—grained dark brown, wet dense, to <br /> in in 37 well graded no odor ML <br /> 86 w 50 18 12 0 86 <br /> to Total depth 86 feet bsg <br /> 87 87- <br /> 88— 88- <br /> 89— B9 <br /> 90 90 <br /> Page 3 Of 3 <br />