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Drilling Log <br /> �0000® GROUNDWATER Soil Boring J <br /> TECHNOLOGY <br /> Project STHL/9110 Thorton Rd Owner The Southland Corporation See Site Map <br /> Location Stockton CA 020301211 2/18/33 For Boring Location <br /> Project No Date drilled <br /> Surface Elev N/A ft Total Hole Depth 455 ft Diameter 8 in <br /> COMMENTS <br /> Top of Casing N A ft Water Level Initial N A ft Static NIA ft <br /> Screen Dia N A rn Length 1A ft Type/Size N A 0 The decon water was stared in 55-gallon <br /> N/A in N/A ft N/A drums while the sail cuttings were placed <br /> Casing Dia Length Type on and covered with plastic Water and <br /> Filter Pack Material N A Rig/Core Type 2400SK-1/Split Spoon and so#were stored on site until they <br /> could be analyzed and drsposed of <br /> Drilling Company Great Sierra ExplMethod Hollow Stem Auger permit f N/A properly No groundwater was <br /> encountered during drilling activities <br /> Driller John Mansfield Log By SC Hurle <br /> Checked By Dawd Kleesattel License No RG# 5136 <br /> O r T of <br /> t" .. `" Description <br /> aw na Quo ao L) P <br /> a.. a s e #o (Color, Texture, Structure) <br /> 1d'¢ n U) Trace < 10%. Little 10% to 20X, Some 20X to 35X. And 35% to 50% <br /> �mx <br /> _2 <br /> I 0 <br /> ASPHALT <br /> 2 CLAY, dark brown, about 75% clay, about 25% silt (Moist, no hydrocarbon <br /> odor, stiff) <br /> 4 4 <br /> 7 <br /> 13 5 10 CL <br /> 6 <br /> 8 <br /> a (Stiff) <br /> 1012 <br /> 0 10 14 <br /> I <br /> 12 SAND, tan, about 100% medium sand (backfill material) <br /> I 14 12 <br /> f8 <br /> 0 15 30 (Dense) <br /> 16 <br /> SP <br /> I 18 <br /> i6 <br /> 20 - 22 <br /> 16 20 ze <br /> I 22 <br /> 4 14 <br /> 03/10993 hthlog-jan93 Page I of 2 <br />