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i <br /> Boring Number. MW-4 _ HORIZON ENVIRONMENTAL _INC <br /> ,fob Number 141911 <br /> Site Location Beacon #419, Stockton, CA <br /> Drilling Company Mitchell Drilling Environmental Drilling Method Hollow Stem Auger <br /> . Drilled By Scott Sampling Method Split—Spoon Sampler <br /> Date Drilled 05/06/96 Total Depth 70 Feet <br /> Logged By G Barker Depth To Groundwater 53 Feet <br /> I <br /> 4U ' ° o <br /> s in Et2l '- a —` S o v '-'o <br /> a� z �, o m Z Soil w a v Well Comments <br /> 0 N X . °� Description a, ° a Construction <br /> CL a X H o S �c2 a <br /> U d a' [n O <br /> In o U it <br /> a. <br /> Asphalt (4") underlain by gravel (6") <br /> 1 i I <br /> • I <br /> 2 2- <br /> 3— 3 <br /> I <br /> 4 4 <br /> 5 in 23 5 SILTY CLAY reddish brown moderate +* f <br /> 129 18 18 0 plasticity dry very stiff CL <br /> 6 6 - <br /> 7 7 <br /> 8 B <br /> 15 <br /> ca <br /> 10 1 20 18 18 0 t0 brown <br /> v� 24 •� <br /> 11 11 `•' <br /> 12 12- <br /> 13— 13- <br /> 14— <br /> 3 14 14 <br /> Lo 19 •a,' <br /> 15 j 19 18 18 0 15 <br /> En 26 <br /> 1fi 16 <br /> L <br /> 1T 17- <br /> 18 <br /> 7 18 <br /> 19 19 <br /> t <br /> 20 N 45 18 lB 0 20 CLAYEY SAND very fine—grained brown SC <br /> 17 to ton dry dense <br /> 21 21 <br /> 22 22 <br /> 23 23 <br /> w i <br /> 24 24 � <br /> 25 cvv 12 25 SILTY CLAY, brown with reddish mottling - <br /> 16 18 18 0 moderate plasticity, dry stiff CL <br /> 17 <br /> 26 26 <br /> i <br /> 27 27- <br /> 211- <br /> 7 - <br /> 211 28- <br /> 29— 29- <br /> 30M30.1 <br /> 9 <br /> s <br /> 30 30 <br /> (Boring Continued On Next Page) Page 1 Of 3 <br />