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I <br />' Boring Numbers MW-7 _ HORIZON ENVIRONMENTAL INC. <br /> Job Number 141912 <br /> Site Location Beacon #419, Stockton, CA <br /> Drilling Company V & W Drilling Drilling Method 10—inch Hollow Stem Auger <br /> Drilled By Robert, Larry & Randy Sampling Method Split—Spoon Sampler <br /> Date Drilled 09/23/98 Total Depth 66 5 Feet <br /> ILogged By L Smith Depth To Groundwater 48 Feet <br /> m o a a c <br />' 0 v o <br /> a z' U m a Z Soil 2 n o Well <br /> a o s S Description r m Construction Comments <br /> u v o: to o <br />' <br /> V) c U a = <br /> SIAL <br /> 67 io 10 S7 CLAYEY SILT, dark yellowish brown Casing Installation Data <br /> i 11 18 16 0 wet, very stiff, medium plasticity, no ML — g <br /> odor <br />' <br /> 62 11 62 = 4—inch PVC <br /> a 020—inch screen <br /> 63 63 <br /> 64 64 — <br /> 65 65 <br /> is <br /> 66 20�? 26 18 18 2 6B Grayish green, very slight odor <br />' 67 (11 25 67 Total depth 66 5 feet bgs <br /> 68 68- <br /> 70—: <br /> a70 70- <br /> 71— 71 <br />' 72 72- <br /> 73— 73 <br />' 74 74- <br /> 75 75- <br /> 76— 76- <br /> 77— 77- <br /> 78— 70- <br /> 79- <br /> 679 79 <br /> 80 80 <br /> I 81 81 <br /> 82 82- <br /> 113— 83- <br /> 84— 04- <br /> 85— 85- <br /> 96- <br /> 87 <br /> S8fi87 87 <br /> 88 88 <br /> 69 es <br /> 90 90 <br /> Page 3 Of 3 <br />