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BOREHOLE LOG CPT-2 <br /> STRATUS Pro ect No 2007-0835-01 Site USA#835 Drilling Company Cregg In Situ,Inc <br /> 2705 Country Club Blvd,Stockton,CA Driller German <br /> ate September 9,2005 Field Geologist Justin Crose <br /> Drilling Rig CPT Drilling Method Direct Push(CPT Truck) <br /> Borehole Diameter 2 inches Soil Sample Equipment 12-inch piston sampler <br /> Total Depth 70 feet bgs Water Sampling Equipment Hydro unch <br /> Well Completion Data <br /> Slotted Interval Casing Material <br /> Filter Pack Material Casing Diameter <br /> Seal Material Slot Size <br /> Backfill Material Neat Cement <br /> Sample ID Depth Sample % Time PCD Soil Description <br /> (ft) Interval Ree (ppm) Class/ <br /> Water <br /> CPT-2-10 10 9-10 90 722 CL SANDY CLAY(9'-9 3'),60%clay,40%very fine sand <br /> Sc CLAYEY SAND(9 3'-9 9'),60%very fine sand,40% <br /> clayey fines,wet <br /> CPT-2-15W 15 13-16 740 Water 7 Voas <br /> CPT-2-24 24 23-24 100 754 CL CLAY,olive brown 2 5Y,black Mn02 streaks,moist, <br /> hard <br /> CPT-2-31 31 30-31 100 802 CL CLAY,gray to olive gray 5Y,damp to wet,stiff <br /> CPT-2-38W 38 36-39 8 15 Water 7 Voas <br /> CPT-2-47W 47 45-48 840 Water 7 Voas <br /> CPT-2-59 59 58-59 100 909 CL CLAY,olive to olive gray 5Y,wet,medium to high <br /> Elasticity <br /> CPT-2-70 70 69-70 30 925 SC CLAYEY SAND,olive gray 5Y,60-70%very fine <br /> sand,30-40%clayey fines,wet <br /> (not enough recove for analytical analysis) <br /> STRATU5 <br />