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Drilling Log <br /> ❑� GROUNDWATER Soil Boring 0 <br /> TECHNOLOGY <br /> Project STHL19110 Thorton Rd Owner The Southland Corporation See Site Malo <br /> Location Stockton CA Project No 020301211 Date drilled 1/12/93 For Bor»g Location <br /> Surface Elev N/A ft Total Hole Depth 455 ft Diameter 8 I <br /> COMMENTS <br /> Top of Casing VY-A- ft water Level Initial NIA ft Static N/A ft <br /> Screen Dta NIA In Length N/A ft Type/Size N/A to The decon water was stored fn 55-ga#on <br /> Casing Dla N/A to Length N/A ft Type NIA o and ore d soil <br /> rh plastic lvai r and <br /> N 9-61/Mod Cal Spht Spoon were stored on site until they could be <br /> Fitter Pack Material �A Rig/Core Type analyzed and disposed of properly No <br /> Drilling Company Kvrlhau9 Drtlhng Method H0110w Stem Au4er Permit Il' 92-3681 groundwater was encountered during <br /> orlNrna activities <br /> Driller Mike Crocker Log By SC Hurley <br /> Checked By David Kleesattel License No RGA' 5136 <br /> L" O E O o> Description <br /> = ..a ° V <br /> o.. as Ex a� in (Color, Texture, Structure) <br /> a °¢ <br /> in Trace < 10%. Little tOX to 20%. Some 20% to 35%. And 35X to SOX <br /> »mx <br /> _2 <br /> 0 1111111 -- <br /> ASPHALT <br /> 2a CLAY, black/dark brown, about 70% day, about 20% silt, about 10% fine sand <br /> 10 CL (moist, hydrocarbon odor, very stiff) <br /> 0 3 3 t3 <br /> 6 Silty SAND brown, about 60% fine sand about 30% silt, about 10% clay <br /> (moist, no hydrocarbon odor medium dense) <br /> s <br /> 86 SM <br /> 801 8 14 <br /> 10 <br /> 12 -- 10 t St NJ 5 ov.n about 70% meoium sand aDout 30% fine sand (most, no <br /> 19 hydroCarbon odor medium dense) <br /> 1 1 13 20 <br /> 14 <br /> 16 <br /> 6 SP <br /> 18 1` ' {� <br /> 0 1$ le <br /> i <br /> - 20 - <br /> 22 <br /> 0 22 1a ` 11 I ;Dense) <br /> 0 23 26 � <br /> 24 <br /> I f <br /> 1- <br /> 03/11/1993 Johlog-)anPaoe I of 2 <br />