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�;--� Drilling Log <br /> GROUNDWATER Soil Boring B-8 <br /> TECHNOLOGY <br /> Protect Thornton Owner Barbara Drake See Site Map <br /> Location 26485 Thornton 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 Level Initial 10 1t Static <br /> Screen Dia Length Type/Size Bach riled to grade with neat cement <br /> Casing pia Length Type <br /> Fill Material Neat cement Rig/Core Stratoprobe/Hydro-punch <br /> Drill Co T E B Method Direct penetration technolo.ov <br /> Driller Mark Mc Murray Log By _Terry,lames _ Date 02/16/95 Permit # 005319 <br /> Checked By Ed Smonis License No RG 4422 <br /> © w �' <br /> T <br /> E <br /> Description <br /> 0 <br /> A, n U u a p U <br /> r7V (L a e a a) �_ N (Color, Texture, Structure) <br /> m ° m U Trace ¢ 10%, Little 10% to 20%. Some 20% to 35%. And 35% to 50% <br /> (n m x <br /> 0 r"0" su Asphalt <br /> a: Base Course <br /> 2 Silty CLAY (40,50) dark-brown with yellow-orange mottling, soft, slightly <br /> moist, medium plasticity, no hydrocarbon odor <br /> 4 (grades dark brown-gray) <br /> 6 0 6816 <br /> 8 Grades trace medium grained sand, little organic material <br /> CL <br /> 10 Encountered Groundwater at 1520 <br /> 6 811111 <br /> - 12 - <br /> 14 Grades black, yellow-brown and gray mottling, stiff, no hydrocarbon odor <br /> 16 2 B11/16 End of Boring <br /> 18 <br /> 20 - <br /> - 22 - <br /> L <br /> 0 <br /> 22 <br /> 24 <br /> 02/28/1995 i:thtog-aec 93 Page 1 of 1 <br />