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Drilling Log <br /> �❑�® GROUNDWATER Soil Boring J <br /> TECHNOLOGY <br /> Project STHL/9110 Thorton Rd Owner The Southland Corporation See Site Map <br /> Location Stockton, CA Project No 020301211 Date drilled 2118/93 For boring Locaflon <br /> Surface Elev. NIA f1 Total Hole Depth 455 ft Diameter 8 in COMMENTS <br /> Top of Casing N/A ft Water Level Initial N/A ft Sialic N/A ft <br /> Screen Dia N/A In Length N/A ft Type/Size NIA to The decon water was stored in 55-Balton <br /> aruvns while the soil cuttings were pieced <br /> Casing Dia N/A to Length N/A ft Type NSA on 9nd covered with plastic Mater and <br /> Filter Pack Material N/A ._ pe RI /Core T 2400SK-!/Split Spoon _. and soi were stored an site until they <br /> Rig/Core y — could be analyzed and disposed of <br /> Drilling Company Great Serra Expl Method Hollow Stem Auger Permit f N/A Properly No groundwater was <br /> Driller John Mansfield Log By SC Hurley <br /> encountered during dhOng act Wles <br /> Checked By David Kleesettel License No RGA 5136 <br /> per„T h <br /> an P <br /> '� Descrl tion <br /> n� neo ao <br /> 4u— a a o� U (Color, Texture, Structure) <br /> (OEM V) Trace < 10%. Little 10% to 20%, Some 2OX to 35X, And 35% to 50% <br /> _2 <br /> 0 <br /> ASPHALT <br /> 2 CLAY, dark brown, about 75% clay, about 25% silt (Moist, no hydrocarbon <br /> odor stiff) <br /> 4 <br /> 7 <br /> 13 5 10 CL <br /> s <br /> 8 <br /> a (Stiff) <br /> 1012 <br /> 0 <br /> 12 I S-IND an anou4 103% medium sand (backfill material) <br /> 14 <br /> 12 , <br /> IB r <br /> 0 15 30 (Dense) <br /> 16 k <br /> } <br /> SP <br /> 18 <br /> i <br /> 20 `" 1s 20 29 ,R <br /> 22 ;I <br /> 24 7-17I <br /> 03/11/1933 i niag-ianE3 Page I of 2 <br />