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Boring Number, MW-9 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 /> 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 /> `ma. 0 0 <br /> 1 . , a <br /> c .> �— :. <br /> C v_ Z Q +r 'Q Soil U_c, well <br /> o c 4 a t mE I!= Description ( ° d Construction Comments <br /> E m u v cz In— a <br /> c c o_ <br /> 10 SILT, reddish—brown, dry, hord, low <br /> 31 N 25 18 16 0 31 plasticity. ML +'.: <br /> Casing Installation Data: <br />' 32 32 i 2—inch PVC <br /> 33 33 0.020—inch screen <br /> 34 34 <br /> 35 35 ..�:. '..j <br /> 12 18 18 0 SILTY SAND, very fine—grained, moist, <br /> 36 20 36 dense. SM <br /> :. <br /> 37- <br /> 37- <br /> 38— <br /> 7 3738 38 �`:' <br /> 39 39-- .•. •� ..~. <br /> 40— g 20 GRAVELLY SAND, coarse— to vary course- <br /> 40 <br /> . . <br /> I 50 12 12 0rained, reddish—brown, dry, very dense, SW <br /> W ko rkosi4 <br /> 41- 41 <br /> 42- <br /> 42 , <br /> 43 43- <br /> 44- <br /> 45— <br /> 3 44 4S 45 <br /> 13 <br /> 16 18 17 0 SAND, coarse—grained, with thin clay Sc <br /> 46 (4 19 46 stringers, reddish—brown, moist, dense. <br /> 47 47— <br /> '4 <br /> �. <br />' <br /> 4S_ <br /> 8 48 <br /> 49 *9-- <br /> SO 50 <br /> 12 <br /> .-,. � . <br /> 15 18 IB 0 SILTY SAND, fine—grained, reddish—brown,' SM 51 v� 20 51 dry, dense. <br /> 52 52 •; ..� <br />' S3 53- <br /> 54— 54 <br /> 5S 55 <br /> 17 18 18 0 SAND, fins— to medium—grained, reddish— SP <br /> 56— N 18 56 brown, well sorted, moist, dense; <br /> 57 57 — <br /> r 59 59 — <br /> SANDY SILT, reddish—brown, damp, hard, ML <br /> fi0 60 low plasticity. <br /> (Boring Continued On Next Page) Page 2 Of 3 <br />