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BOREHOLE LOG CPT-4 <br /> STRATUS Project No 2007-0835-OL Site USA#835 DrillingCompany GreggIn Sltu,Int <br /> 2705 CountryClub 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-mch 2iston sampler <br /> Total Depth 74 feet bgs Water Sampling Equipment Hydropunch <br /> Well Completion Data <br /> Slotted Interval Casin 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 Rec (ppm) Class/ <br /> Water <br /> CPT-4-18W 18 16-19 13 06 Water 7 Voas <br /> CPT-4-26W 26 24-27 13 30 Water 7 Voas <br /> CPT-4-32W 32 30-33 1045 Water 7 Voas <br /> CPT-4-40W 40 38-41 11 00 Water 7 Voas <br /> CPT-4-49 49 48-49 100 11 59 ML SANDY SILT, 80-85%silt, 15-20%very fine sand,wet <br /> CPT-4-61 61 60-61 100 12 13 CL CLAY,gray to olive gray 5Y,medium to high <br /> plasticity,wet <br /> CPT-4-74 74 73-74 100 1226 ML SANDY SILT,gray to olive gray 5Y,70-75%clayey <br /> silt,25-30%very fine sand,wet <br /> The driller accidentally pushed past the first two sample <br /> depths,so the deeper samples were sampled first After <br /> completing the dee er samples,the driller moved over <br /> a couple feet,pushed another borehole,and collected <br /> the first two sample depths <br /> 71 <br /> srR�rus <br />