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' Boring Number, VW-4, VW-5, VW-6 (13-6) <br /> Job Number: 1474.12 HORIZON ENVIRONMENTAL INC. <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 Total Depth: 66 Feet <br /> Lagged By: L. Smith Depth To Groundwater: 66 Feet <br /> L v � <br /> a c c <br /> rn o ,o <br /> w 3 o G c o } <br /> a� Z 0 c' m ci Z Soil c <br /> a " # a ix ti B 0 Descri tion w o k Well Comments <br /> CL o t m 3 o c p � d Construction <br /> ' E m c 2 a <br /> a U VW-4 <br /> VW-6 VW-5 <br /> 0 7 <br /> 718 18 11 SILT, greenish—gray, damp, stiff, low ML <br /> v� 9 31 plasticity. <br /> Casing Installation Data. <br /> ' 32 32 _ _ <br /> 33 33 2--inch PVC <br /> 0.020—inch screen <br /> 34 34 <br /> 35 35 <br /> � 11 <br /> 3618 16 20 SANDY SILT, mottled brownish—gray, <br /> % <br /> y 15 36 damp,very stiff, low plasticity, <br /> 37 37 <br /> 38 38 <br /> ' 39 39 <br /> 40 40 <br /> 9 <br /> 41 �j 12 18 18 85 41 Pinkish—groy. <br /> 42 42 <br /> 43 43 <br /> 4.4- 44 <br /> 45 27 45 <br />' 30 18 18 14 SILTY CLAY, reddish—brown, damp, CL <br /> 46 very hard, low to <br /> 46 N 31 medium plasticity, <br /> 47 47 <br />' 48 48 <br /> 49 49 <br /> 50 50 <br />' '1' <br /> 15 18 18 48 SILTY SAND, reddish—brown, damp, SM <br /> 51 51 medium dense. <br /> 52 52- <br /> 53— 53 <br /> 54 54 <br />' 55 55 <br /> 14 <br /> 56 v� 21 18 18 22 56 Dense. <br /> 57 57 <br /> 58 58 <br /> 591 ..... <br /> BO BO <br /> (Boring Continued On Next Page) Page 2 Of 3 <br />