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BOREHOLE LOG CPT-7 <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 September 12,2005 Field Geologist Scott Bittin er <br /> DrillingRigCPT Drilling Method Direct Push(CPT Truck) <br /> Borehole Diameter 2 inches Soil Sample Equipment 12-inch piston sampler <br /> Total Depth 83 feet bgs Water Sampling Equipment Hh M <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 PID Soil Description <br /> (ft) Interval Ree (ppm) Class/ <br /> Water <br /> I <br /> CPT-7-11 11 10-11 90 CL SILTY CLAY,olive brown,moist,medium stiff <br /> CPT-7-19W 19 17-20 Water 7 Voas <br /> CPT-7-24 24 23-24 70 SP SAND,95-98%fine sand,2-5%clayey fines,wet <br /> CPT-7-30W 30 28-31 Water 7 Voas <br /> CPT-7-38 38 37-38 100 CL CLAY,very dark greenish gray,moist,medium stiff <br /> CPT-7-47W 47 45-48 Water 7 Voas <br /> CPT-7-57W 57 55-58 Water 7 Voas <br /> CPT-7-71 71 70-71 100 CFI/CL SANDY CLAY(70'-70 6'),dark greenish gray, 70% <br /> clayey tines,30%fine sand,wet, medium stiff <br /> CLAY(70 6'-71'),dark greenish gray, 100%clay, <br /> moist,medium stiff <br /> CPT-7-83W 83 81-84 Water 7 Voas <br /> -57WA us <br /> AAML <br /> � �� <br />