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BOREHOLE LOG CPT-7 <br /> STRATUS Project No 2033-15600-1 Site Joe's Truck Plaza Drilling Company GreggIn Situ,Inc <br /> 15600 Harlan Road,Lathrop CA Driller John and Baan <br /> ate M21 13,2004 Field Geologist Scott Bitten er <br /> Drilling Rig CPT DrillinR Method Direct Push CPT Truck <br /> Borehole Diameter 2 inches Soil Sample Equipment 12-inch iston sampler <br /> Total Depth 8l feet b s Water Sampling Equipment H dro unchT� <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 % Blow PID Sod Description <br /> (ft) Interval Rec Count (ppm) Class <br /> CPT7-8 8 75-8 5 t00 SM SILTY SAND 7 5'-8 2', olive brown, 80%fine <br /> Grained sand, 20% fines, dam <br /> SP SAND 8 2'-8 5',fine grained, 5%medium <br /> Grained sand, trace fines,dam <br /> CPT7-12 12 t0-13 Water <br /> CPT7-21 21 20-21 100 CL SILTY CLAY 20'-20 7', light olive brown, dry, <br /> Medium stiff <br /> ML SILT 20 7'-21', 13 ht olive brown, trace clay, <br /> Dry,stiff <br /> CPT7-39 39 37-40 Water <br /> CPT7-49 49 48-49 100 CL CLAY 48'-48 8', greenish gray, moist, medium <br /> Dense <br /> SM SILTY SAND 48 8'-49', greenisb gray with <br /> Orange iron oxide stains, 85% fine grained sand, <br /> 15%fines, dam <br /> CPT7-64 64 62-65 Water <br /> CPT7-80 80 78-81 Water <br /> STRr9TU5 <br /> Enviaprah�z ITAI INC <br />