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F - - - —- <br /> Boring Number, MW-4 <br /> f HORIZON ENVIRONMENTAL INC. <br /> Job Number: 1474.11 <br /> Site Location: Beacon #474, Stockton, CA <br /> • Drilling Company: Mitchell Drilling Environmental Drilling Method: Hollow Stem Auger <br /> Drilled By: Scot, Chris, & Mike Sampling Method: Split—Spoon Sampler <br /> Date Drilled: 05/09/96 Total Depth: 86 Feet <br /> Lagged By: D. Higgins Depth To Groundwater: 80 Feet <br /> L <br /> G7 a_ C C <br /> E a.. O a <br /> G d > 3 0 <br /> ati Z c°� .Q Z Soil n,v Well <br /> v 0 0-1E°� Description 6 6 ` Construction Comments <br /> C d O � 0 d a G <br /> E m -C �- o <br /> _ d <br /> 4 <br /> 61- 19 61 CLAYEY SILT, fine—grained sand, gray ML <br /> 20 18 18 0 brown and orange mottled, slight <br /> fit �I 25 62 plasticity, hard. <br /> V) <br /> 63 63 <br /> 64 64 <br /> 65 65 <br /> Lo <br /> m — <br /> —_ <br /> 66 I 20 21 18 18 0 66 <br /> 67 1 23 67 <br /> 68 68 <br /> 69 69 — <br /> 70 0 70 <br /> • k 18 — <br /> 71- 19 18 18 0 71 <br /> 24 — <br /> 72 v, 72 — <br /> 73 73- <br /> 74— 74- <br /> 75- <br /> 24 <br /> 4 75 24 75 — <br /> # 0+ 12 12 0 <br /> 76 76 <br /> k <br /> 77 77- <br /> 78— 78- <br /> 79— <br /> 8 79 79- <br /> 80— <br /> 9 80 80 — <br /> 0 <br /> m <br /> 11 <br /> 81 12 18 18 0 81 — <br /> 82 15 82 <br /> 83 83 — <br /> 84 84— <br /> as— <br /> 4 as m 85 — <br /> I g — <br /> 86 9 10 10 0 86 stiff. — <br /> Total depth 86 feet bgs. <br /> 87 87 <br /> • 88 88 <br /> 89 89 <br /> 90 190" <br /> Page 3 Of 3 <br />