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Boring Numbers MW-9 <br /> _ <br /> HORIZON ENVIRONMENTAL INC. <br /> Job Number: 1474.12 <br /> Site Location: Beacon #474, Stockton, CA <br /> Drilling Company: V & W Drilling Drilling Method: 10--inch Hollow Stem Auger <br /> f Drilled By: Frank & Robert Sampling Method: Split—Spoon Sampler <br /> Date Drilled: 09/12/97 Total Depth: 76 Feet <br /> ' Logged By: L. Smith Depth To Groundwater: 66 feet <br /> a c c <br /> v 0 L c o in a 0 0 <br /> CLU_ c) O Soil .Q a m Well <br /> a o w o 2 Description w ; Construction Comments <br /> 1 Em ` L � �1 a <br /> En of <br /> Asphalt (�). <br /> 1 1 Casing Installation Data: <br /> ` •. <br /> 2 2 - ._ <br /> 2–inch PVC <br /> a;; 0.020–inch screen <br /> 3- <br /> 4— <br /> 4 4- <br /> 5— <br /> 5 10 5 '�' •s: <br /> Ln <br /> 20 18 18 0 CLAYEY SILT, reddish–brown, dry, hard, ! <br /> B 30 6 medium plasticity. ML , <br /> 7 7 <br /> • , <br /> 10 10 <br /> o CLAYEY SILT, tan, dry, very stiff, <br /> 11 18 18 Q <br /> 15 11 medium plasticity. �� ;'•,. <br /> 12 12 <br /> 13 t3 •' i' <br /> 14 14 _ •�• <br /> 15 15 '' • ' ' � <br /> 10 SAND, fine– to medium–grained, <br />' 16 1 15 18 18 0 1B reddish–brown with black mottling, SP <br /> �^ 25 dry, dense. <br /> 17 17 <br /> r <br /> 18 18 . <br /> !' <br /> 2D 20 _ <br /> 12 18 18 0 SILTY SAND, reddish–brown, damp, SM <br /> 21 N 15 21 medium dense. <br /> 22 22 <br /> 23 23 ' <br /> 24 24- <br /> 25— <br /> 4 25 25 r•. <br /> N 10 <br /> 12 18 18 0 SILTY SAND, yellowish–brown to tan, y <br /> 26 20 26 dry. dense. �•'. <br /> 27 27 <br /> 1 .: <br /> 28 211— <br /> i <br /> P'.29 29 •''t ' <br /> SILT, reddish–brown, dry, hard, <br /> 30 30 <br /> low plasticity. ML <br /> (Boring Continued On Next Page) Page 1 Of 3 <br />