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' Boring Number, VW-4, VW-b, VW-6 (B-6) <br /> HORIZON ENVIRONMENTAL INC. <br /> .lob Number: 1474.12 _ <br /> Site Location: Beacon #474, Stockton, CA <br /> Drilling Company: V & W Drilling Drilling Method: 10—inch Hollow Stem Auger <br /> Drilled By: Robert Sampling Method: Split—Spoon Sampler <br /> ' Date Drilled: 09/12/97 Tota! Depth: 66 Feet <br /> Logged By: L. Smith Depth To Groundwater: 66 Feet <br /> i CL <br /> d CL <br /> A � C _p �o V+o <br /> a C <br /> o u <br /> CL <br /> U_ U Soil <br /> o w o+ <br /> Wel! <br /> Comments0 oDescription <br /> . o N ` Construction <br /> E; m t cr Ln' v al <br /> rn° a U VW-4 <br /> Vw-6 VW—5 <br /> Concrote (4}. <br /> 1 1 ••.' Casing Installation Data: <br /> 2 2 i — <br /> 3 3 V.' 2—inch PVC <br /> 0.020—inch screen <br /> 4 4 <br /> 5 5 •.• is <br /> 6 13 18 18 0 SILTY CLAY, reddish—brown, damp, hard, <br /> 19 6 low to medium plasticity. CL <br /> 7 7 <br /> 9 9 � <br /> 10 10 <br /> 0 10 <br /> CLAYEY SILT, light brownish gray, moist, <br /> 11 vn 13 18 18 D 11 very stiff, medium plasticity. ML <br /> 12 12- <br /> 13— <br /> 2 13 13 <br />' 14 14 <br /> 15 15 +.'+ <br /> 9 18 18 0 SILT, reddish—brown, moist, very stiff, <br /> 16 N 11 16 medium plasticity, some root casts. <br /> 17 17- <br /> 18- <br /> 19— <br /> 718 19 19- <br /> 20— 20 <br /> a SANDY SILT, reddish—brown, moist, <br /> 14 18 18 D <br />' 21 1 15 21 very stiff, low plasticity, some root casts. <br /> 2z zz <br />' 23 23- <br /> 24— 24- <br /> 25— 25 <br /> N 10 <br /> 26 20 18 14 113 26 Brownish gray, hard. <br /> 23 <br /> 27 27 <br />' 28 28 <br /> 29 129 <br /> 30 <br /> (Boring Continued On Next Page) Page 1 Of 3 <br />