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1 <br /> Drilling Log <br /> GROUNDWATER Soil Boring B <br />' �0❑ TECHNOLOGY <br /> Project STHL/9110 Thorton Rd Owner The Southland Corporation See Site Map <br />' - <br /> Location Stockton CA Project No 020301211 Date drilled 1/13/93 For Boring Location <br /> Surface Elev N/A ft Total Foie Depth 455 ft Diameter 8 in COMMENTS <br />' Top of Casing N/A ft Waster Level Initial N A ft Static N/A ft <br /> Screen. Dia NIA In Length N/A ft Type/Size N/A In The decon water,was stored in 55-gallon <br /> Casing Dia VIA in Length �A ft N/A drums while the sod cuttings were placed <br /> 9 g Type on and covered with plastic Water and <br /> Filter Pack Material N/A Rig/Core/Core T e B-61/Spirt Spoon and sod were stored on site until they <br />' — g YP — could <br /> be analyzed and disposed of <br /> Drilling Company Kvrlhau_q Method Hollow Stem Auger Permit f 92-3681 properly Na groundwater was <br /> Griller Mrke Crocker Log By S C Hurley <br /> 4 4 encountered during driling activities <br /> Checked By David Kleesattel License No RG# 5136 <br />' C T N <br /> yy ❑� ; o> Z ID Description <br /> Q� + �Q aU0 Qp [3 <br /> q- a E 3 v �-' (Color. Texture, Structure) <br /> Nmx a Trace < 10%. Little 10% to 20%. Some 20% to 35%. And 35% to 50% <br /> .2 <br /> 0 <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 7o ML <br /> 14 <br /> 0 5 20 <br /> 6 <br /> I 8 <br /> a SAND, tan, about 70% medium sand, about 30% fine sand (slightly moist, no <br /> 10It hydrocarbon odor, medium dense) <br /> 0 10 12 <br /> I <br /> 12 <br /> I14 12 - <br /> 14 <br /> 0 15 I7 <br /> 16 5P <br /> I18 <br /> 13 <br /> 2o - 15 <br /> 0 20 19 <br /> I <br /> - 22 - <br /> 24 - 13 <br /> I03/11/1903 hthlog--jan93 Page I of 2 <br />