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BOREHOLE LOG CPT-1 <br /> LTRATUSS Project No 2033-15600-1 Site Joe's Truck Plaza DrillingCom an GreggIn Situ,Inc <br /> 15600 Harlan Road,LathropCA Driller John and Brian <br /> 12,2004 Field Geologist EH/SB <br /> Drilling Ri CPT Drilling Method Direct Push CPT Truck <br /> Borehole Diameter 2 inches Soil Sample Equipment 12-inch piston sam ler <br /> Total Depth 76 feet b s Water Sampling E ui ment H dro unchTM <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 Soil Description <br /> (ft) Interval Rec Count (ppm) Class <br /> C PTO 1-12 12 10-13 Water <br /> CPTO 1-15 15 14-15 100 CL SILTY CLAY, olive gray,wet <br /> CPTOI-22 22 21-23 Water <br /> CPTO1-28 28 27-28 100 CL SANDY CLAY 27'-27 5', olive gray, 80%silty <br /> Clay, 20% fine grained sand, moist,stiff <br /> CL SILTY CLAY with SAND 27 5'-28',olive gray, <br /> 5%very fine grained sand, moist,stiff <br /> 4i�CPT01-39 39 38-39 100 CL SILTY CLAY with SAND, dark grayish brown <br /> With orange iron oxide stains, 5-7%vely fine <br /> Grained sand,moist, stiff <br /> CPTO1-51 51 50-51 100 CL SANDY CLAY, olive gray 65-70%clay,30-35% <br /> Fine rrained sand,moist, stiff <br /> CPTO 1-62 62 60-63 Water <br /> CPT01-75 75 73-76 Water <br /> srRr1rUs <br /> E'VIRON1,E ITAL INC <br />