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6 %W <br /> S ECOR ...- <br /> Logged By: Date Drilled: Drilling Contractor Project Name: Method/Equipment: Boring Number: <br /> CASCADE 76 Station 2787245 <br /> R.P 3/18/05 DRILLING Stockton,California HOLLOW STEM AUGER B-5 <br /> Boring Surface Groundwater Depth(ft.): Total Drive Drop <br /> Diam.(in.): Elev.(ft.): NOT ENCOUNTERED Depth(ft.): wt.(lbs.): Dist.(in): <br /> 8 50.5 140 30 <br /> � w <br /> Well n z <br /> a Description w <br /> o <br /> Construction o n ca a <br /> cn < <br /> v: <br /> Concrete ASPHALT <br /> Neat Cement FILL MATERIAL <br /> 5 <br /> 4 FAT CLAY(CH): Dark yellowish brown(IOYR 4/4),dry,moderate 0.0 B-5 <br /> 5 to high plasticity,no odor,(0,0, 100) <br /> 5 @g <br /> 10 8 SANDY SILT(ML): Dark grayish brown(IOYR 4/2),fine grained <br /> 9 sand,dry,no odor,(0,40,60) 0.0 B-5 <br /> 9 <br /> @10' <br /> 15 7 SILTY SAND(SM): Dark gray(lOYR 4/1),fine grained sand,blue <br /> 9 staining,strong odor,(0,70,30) 1.3 B-5 <br /> 11 @15' <br /> --------------------------------- <br /> 20 18 POORLY GRADED SAND(SP): Dark grayish brown(IOYR 4/2), <br /> 19 fine grained sand,dry,blue staining, hydrocarbon odor,(0,95,5) 1.3 B-5 <br /> 20 @20' <br /> 25 16 SAME AS ABOVE:No staining,no odor 0.0 B-5 <br /> 18 @25' <br /> 30 14 WELL GRADED SAND(SW): Dark grayish brown(IOYR 4/2), <br /> 15 `medium tc fine rained Lan—ddgnaQd_or, 0�l00 0 <br /> 9)--------/ 0.0 B-5 <br /> 15 SILT(ML): Dark gray(2.5YR 4/1),fine grained sand,dry,no odor, @30' <br /> (0,5,95) <br /> 35 11 SAME AS ABOVE: Olive brown(2.5 YR 4/4),white caliche layer <br /> 15 0.0 B-5 <br /> 14 @35' <br /> 40 14 SAME AS ABOVE: Moist <br /> 14 0.0 B-5 <br /> 14 @40' <br /> 45 15 SILT(ML)Brown(7.5YR 4/3)dry,low plasticity,no odor,(0,0, <br /> 15 100) 0.0 B-5 <br /> 16 @45' <br /> 50 21 SAME AS ABOVE:Brown(IOYR 4/3) <br /> 17 0.0 B-5 <br /> 13 @50' <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during drilling. Predominant material types shown on the log may contain different materials and the change from <br /> one predominant material type to another could be different than indicated. Descriptions on this log apply only at the specific location <br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times. <br /> Project No. 77CP.67245.00.0003 Date 3/17/2005 Log of Boring <br /> CP2787245 B1-6-1.GPJ Figs <br /> LOG OF BOREHOLE <br /> (sheet l of 1) <br /> s <br />