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Boring Number B'4 <br /> Job Number: 1474.11 — _ HORIZON ENVIRONMENTAL INC. <br />� - — —— —_— <br /> I Site Location: Beacon #474, 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: 05/11/86 Total Depth: 45.5 Feet <br /> Logged By: G. Barker Depth To Groundwater: <br /> L <br /> A <br /> c u a C c <br /> > > <br /> _ a a <br /> L N j � '� O C O �' U O <br /> Q.0 .Q Soil 2 nc: Well Comments <br /> o d 3: ; o E.� Description N 02 � Construction <br /> D t N d O C <br /> m s _d O <br /> C � <br /> a 17 18 t8 0 SILT AND CLAY, brown, moderate to high ML <br /> 31 i? 23 31Plosticity, damp. <br /> Ln 25 N/A <br /> 32 32-- <br /> 33— <br /> 2 33 .33- <br /> 34— 34 <br /> 35— n 20 18 18 1 35 SILTY CLAY• tan to brown, moderate CL <br /> 21 plasticity, dry, stiff. <br /> 36 36 <br /> 37 37 <br /> 38 38 <br /> 39 3g <br /> 40— a15 2; 18 18 0 40 SILT AND CLAY, trace sand, tan to ML <br /> Ln <br /> 23 brown, low plasticity, dfy, stiff. <br /> 41 41 <br /> 42 42 <br /> 43 43 <br /> u� <br /> v 0+ 18 6 0 44 <br /> Ln <br /> 45 4 <br /> 46 46 Tota! depth = 45.5 feet bgs. <br /> 47 47 <br /> 48 48 <br /> 49 49 <br /> 50 50 <br /> 51 51 <br /> 52 52 <br /> 53 53 <br /> 54 54 <br /> 55 55 <br /> 5fi 56 <br /> 57 57 <br /> • 58 58 <br /> 59 59 <br /> 60 60 <br /> Page 2 Of 2 <br />