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r <br /> Boring Number, B-2 __ 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: Rob & Bart Sampling Method: Split—Spoon Sampler <br /> Date Drilled: 05/10/86 Total Depth: 75.5 Feet <br /> Logged By: D. Higgins Depth To Groundwater: <br /> L � <br /> A y m O o <br /> 7 <br /> — Ln ,U O <br /> a� z 0 � a° CL Soil 0.2 av Well Comments <br /> Eo Description Ell Construction <br /> CL E n ° <br /> Cn c o U <br /> n 15 18 18 0.4 CLAYEY SILT, some fine—grained sand, ML <br /> 31 m 29 31 A <br /> /orange brown, slight plasticity. N <br /> I <br /> 32— 32- <br /> 33— 33- <br /> 34— 34 <br /> Ln <br /> 35 i' 18 35 <br /> ro 23 18 18 0.7 <br /> 36 1 27 <br /> 35- <br /> 37— 37- <br /> 38— 38- <br /> 39— 39 <br /> 0 <br /> v <br /> 40 1 18 40 orange brown with gray green mottling <br /> • m 29 18 18 0.7 or staining. <br /> 41 41 <br /> 42 42- <br /> 43— 43 <br /> 44 44 <br /> 45 N 29 45 <br /> 32 18 18 0.2 <br /> m <br /> 46 (n 35 46 <br /> 47 47- <br /> 48— 48- <br /> 49— 49 <br /> 0 <br /> 'n <br /> 50 m 27 31 18 1823.450 <br /> 51 Ln 32 51 <br /> 52 52- <br /> 53— 53- <br /> 54— 54 <br /> LoLo <br /> 55 m 29 35 1 B 1810.055 <br /> 56 �n 36 56 <br /> 57 57- <br /> 58— 58- <br /> 59- <br /> 60 <br /> 859 60 60 <br /> (Boring Continued On Next Page) Page 2 Of 3 <br />