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1 <br /> Drilling Log <br /> ❑® GROUNDWATER Soil Boring C <br />' ��❑ TECHNOLOGY <br /> Project STHL/9110 Tharton Rd The Southland Corporation See Site Map <br />' Owner <br /> Location Stockton, CA Project No 020301211 Date drilled 1/14/93 For Boring Location <br /> Surface Elev NIA ft Total Hole Depth 505 ft Diameter 8 in COMMENTS <br />' Top of Casing N/A ft Water Level Initial 495 ft Static N/A ft -- <br /> Screen Dia N/A In Length N/A ft Type/Size 1a in The decon water was stored in 55�gallon <br /> CasingDia N/A in N/A ft N/A drums while the soil cutttngs were placed <br /> Length Type on and covered with plastic Water and <br /> Filter Pack Material NIA Rig/Core Type .B-61/Split Spoon and so#were stored on site until they <br /> could be analyzed and disposed of <br /> Drilling Company Kvilhaya Method Hollow Stem Auger Permit 0 92-3681 properly No groundwater was <br /> Driller Mike CrockerLog By <br /> S C Hurleyencountered during drilling activities <br /> Checked 8y David Kleesattel License No.RGO 5136 <br /> �^ ❑ o " �, Description <br /> aw ,.4 aV°u a <br /> o'-' a s s x m �� ur (Color, Texture, Structure) <br /> ro°¢ 0 U) Trace < 10%, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> �mx <br /> _2 <br /> 0 <br /> 7ASPHALT <br /> � CL CLAY, brawn, about 70% clay, about 20% silk, about 10% fine sand (moist, no <br /> hydrocarbon odor) <br /> 4 r <br /> rx/l <br /> to <br /> 0 5 15 ML Clayey SILT, brown,about 60% silt, about 30% clay, about 10% fine sand (no <br /> 6 hydrocarbon odor, very stiff) <br />' a <br /> 7 <br /> 109 <br /> 0 10 12 SAND, tan, about 70% medium sand, about 30% fine sand (slightly moist, no <br /> Ihydrocarbon odor, medium dense) <br /> 12 <br /> 14 17 <br /> 19 <br /> 0 f5 23 (Dense) <br /> 16 SIP <br /> I18 - <br /> 15 <br /> 20 22 <br /> Q 20 23 <br /> 22 <br /> 241, 15 <br /> f04/02/1993 hthlog-lanU Page 1 of 2 <br />