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Drilling Log <br /> ❑��® GROUNDWATER Soil Boring B <br /> TECHNOLOGY <br /> Project STHL/9110 Thorton Rd Owner The Southland Corporation See Site Mayo <br /> Location Stockton, CA Project No 020301211 Date drilled 1/13/93 For Boring Location <br /> Surface Eley N/A ft Total Hole Depth 455 ft Diameter 8 I COMMENTS <br /> Top of Casing NIA ft water Levet INtiat N/A ft Static NIA ft <br /> Screen. Dia 1A in Length N/A ft Type/Size N A rn The decon water was stored An 55-gallon <br /> drwns while the soil cuttings were placed <br /> Casino Dia N/A in Length N/A ft Type N/A on and covered w,th plastic Mater and <br /> Filter Pack Material N/A Rig/Core Type B-61/Spht Spoon and 3 bewereanastored <br /> yzed and mita an site ea cfer <br /> Drilling Company KvdhauQ Method Hollow Stem Auger Permit # 92-3681 Properly No groundwater was <br /> Driller Mike Crocker Log By S C Hurley <br /> encountered dwrng drAbng activltres <br /> Checked By David Kleesattel License No RG# 5136 <br /> r" OE Q ;" sa Description <br /> .,a <br /> a: nvu ao L) <br /> oma- a° E x u ' -r in (Color. Texture. Structure) <br /> f0 °� ? <br /> in Trace [ 10%. Little t0% to 20%. Some 20% to 35%. And 35% to 50% <br /> cr x <br /> _z <br /> i <br /> ASPHALT <br /> 2 Clayey SILT, brown, about 60% silt, about 30% clay, about 10% fine sand <br /> (slightly moist, no hydrocarbon odor, very stiff) <br /> 4 14 ML <br /> to <br /> 0 5 20 <br /> 6 <br /> a ! SAND tan, about 70% medium sand about 30% fine sand (sightly moist, no <br /> jo n hydrocarbon odor medium dense) <br /> 0 10 12 <br /> 12 <br /> I <br /> E � <br /> 14 12 <br /> 0 its 17 <br /> 115 SP <br /> F <br /> 1 t <br /> 18 <br /> 13 <br /> - 20 — 5 <br /> i20 <br /> 0 19 <br /> 22 , <br /> - 24 - <br /> 03/11/1993 ithtog-sang-- Page of 2 <br />