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j� �E�1 <br /> ! GROUNDWATER Drilling Log Soil Boring B-2 <br /> u0�1 TECHNOLOGY <br />• Protect Thornton owner Ba,bara DrakeSee Site Map <br /> Location 26455 Thorntor Rd Thornton CA Prol No 020700053 For Boring Location <br /> Surface Elev Total Hole Depth 16 ft Diameter 2 5 in COMMENTS <br /> Top of Casing Water Levet Initial 8 ft Static <br /> Screen Dia Length Type/Size Back fitted to grade with neat cement <br /> Casing Dia Length Type <br /> Fill Material Neat cement Rig/Core Stratoprobe1Hvdro-punch <br /> Drill Co T E G Method Direct penetration fechnolagv <br /> Driller ,Mark Mc Murray Log By Terry James Date 02/16/95 Permit # 005319 <br /> Checked 6y Ed Srmonrs License No RG 4422 <br /> .�„ T N <br /> _ v 2 M Description <br /> T o 'o 'CL <br /> U <br /> m} a s C a ID m (Color, Texture, Structure) <br /> �_ M S ¢ UTrace < 10%, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> N m x a <br /> -2 <br /> 0 <br /> 2 Silty CLAY (40,60) olive-gray, soft, moist, moderately plastic, no <br /> hydrocarbon odor <br />. 4 <br /> 6 0 B2/6 <br /> 8 CL Q Encountered Groundwater at 920 <br /> 10 65 Silty CLAY (20,80) brown with red mottling, stiff, plastic, blue mottling, <br /> strong hydrocarbon odor <br /> 12 <br /> 14 Silty CLAY (40,60) red-brown with greenish-gray mottling, no <br /> hydrocarbon odor <br /> 1B a ui� End of Boring <br /> 18 <br /> 20 - <br /> _ 22 - <br /> L2424 <br /> Page t of t <br /> 02/2a/iag5 hthlog-dec 93 <br />