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Drilling Log <br /> ��❑iionj GROUNDWATER Soil Boring B-6 <br /> l TECHNOLOGY <br /> Project Thornton Owner Barbara DrakeSee Site Map <br /> For Boring Location <br /> Location 264:85 Thornton Rd, Thornton_CA Prot No 020700053 <br /> Surface Elev — Total Hole Depth 16 ft Diameter 25,n COMMENTS <br /> Top of Casing water Level Initial 6 ft Static <br /> Screen Dia Length Type/Size Back filed to grade with neat cement <br /> Casing Dia Length Type <br /> Fill Material Neat cement Rig/Core Stratoprobe/Hvdro-punch_ <br /> Drill Co T F G Method Direct penetration technoloa <br /> Driller Mark Mc Murrav Log By Terry James Date 02/16/95 Permit # 005319 <br /> Checked 6y Ed Srmonis License No RG 4422 <br /> CD Description <br /> c E ' r <br /> O da Q U v ap U <br /> a)_ a CLE � m fV_j rn (Color, Texture, Structure) <br /> io oV Trace < 10%, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> N m x <br /> -2 <br /> 0 <br /> 2 <br /> Silty CLAY (40,60) dark-brown with red mottling,firm, moist, plastic, no <br /> 4 hydrocarbon odor <br /> 6 0 e6i6 y Encountered Groundwater at 14 50 <br /> Grades Silty CLAY (10,90) light brown with gray-green mottling very stiff, <br /> 8 CL trace organic material, no hydrocarbon odor <br /> 10 <br /> 0 06111 <br /> 12 <br /> 14 Grades Silty CLAY (20,80) mottled yellow--orange and gray-green <br /> 16 7 e61% End of Boring <br /> 18 <br /> 20 <br />• 22 <br /> 24 <br /> 02/28/19951ilhiog-oec 93 Page 1 of 1 <br />