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Boring Number, MW-7 <br /> Job Number: 1474.12 HORIZON ENVIRONMENTAL INCA <br /> Site Location: Beacon #474, Stockton, CA <br /> L Drilling Company: V & W Drilling Drilling Method: 10—inch Hollow Stem Auger <br /> Drilled By: Frank & Larry Sampling Method: Split—Spoon Sampler <br /> Date Drilled: 09/12/97 Total Depth: 76 Feet <br /> Logged 8y: L. Smith Depth To Groundwater: 64 feet <br /> y a c c <br /> ' E c <br /> r ,> > �— <br /> a� c o Ca " tea <br /> CL U! z U OL Soil a c Well <br /> a �- Description "= v Comments <br /> a _o c e, v a c w i� Construction <br /> ' E m c r ca N o n <br /> (A c a U Cr <br /> Asphalt (Y <br /> CLAY, brown—black, moist, very stiff, <br /> ' 2medium plasticity. CL ! Casing Installation Data: <br /> 2 <br /> 2—inch PVC <br /> 3 3 ' 0.020—inch screen <br /> 4 4 `• �+ <br /> .j: <br /> 10 <br /> 8 N 20 18 18 0 CLAYEY SILT, reddish—brown, dry, hard, ! <br /> 30 6 medium plasticity. ML <br /> 7 7 <br /> 8 g <br /> 10 10 • ...; <br /> 05 <br /> 7 10 18 18 0 CLAS SILT, yellowish—brown, dry, <br /> 11 y 15 11 very stiff, medium plasticity. ."�. <br /> 12 12- <br /> 13— <br /> 2 13 13 s <br /> 15 15 • <br /> 10 SANDY SILT, dark yellowish—brown with ` <br /> 16 m 123 18 18 0 16 block mottling, dry, hard, low +~ <br /> plasticity. <br /> 17 17 y • • <br /> 18 <br /> 19 19 <br /> 20 <br /> a 10 20 ; . <br /> 21 25 18 18 0 21 SILTY SAND, reddish—brown, moist, dense. SM <br /> 22 22- <br /> 23- <br /> 2 23 23- <br /> 24— 24- <br /> 25— <br /> 4 25 25 41 <br /> cw 15 <br /> 26 35 18 18 0 26 Very dense. <br /> 27 27- <br /> 28- <br /> 728 28 .:• .'. <br /> ' 291JL 29 CLAYEY SILT, reddish—brown, dry, very 7"1".. <br /> hard, medium plasticity. ML <br /> 30 30 <br /> (Boring Continued On Next Page) Page 1 Of 3 <br /> 1 <br />