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BOREHOLE LOG CPT-3 <br /> STRATUS Project No 2007-0835-01 Site USA#835 Drilling Company GreggIn Situ,Inc <br /> 2705 Country Club Blvd,Stockton,CA Driller German <br /> ate Se tember 8,2005 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 68 feet bgs Water Sampling Equipment Hydropunch TI <br /> Well Completion Data <br /> Slotted Interval Casing Material <br /> Filter Pack Material Casin Diameter <br /> Seal Material Slot Size <br /> Backfill Material Neat Cement <br /> Sample ID Depth Sample % Time PID Soil Description <br /> (ft) Interval Rec (ppm) Class/ <br /> Water <br /> CPT-3-11 11 10-11 80 839 ML SANDY SILT,75-80%silt,20-25%very fine sand,wet <br /> CPT-3-18W 18 16-19 848 Water 7 Voas <br /> CPT-3-28 28 27-28 100 910 Ch CLAY,gray to olive gray 5Y,high plasticity,moist, <br /> hard <br /> CPT-3-38W 38 36-39 925 Water 7 Voas <br /> CPT-3-46W 46 44-47 950 Water 7 Voas <br /> CPT-3-52W 52 50-53 1030 Water 7 Voas <br /> CPT-3-61 61 60-61 100 1047 CL CLAY,gray to olive gray 5Y,high plasticity,damp, <br /> hard <br /> CPT-3-68 68 67-68 25 11 14 SM SILTY SAND,gray 5Y,65-70%fine sand,30-35%silt, <br /> wet,loose <br /> (Not enough recovery for analytical anal sis) <br /> srR�rus <br />