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Geolo cad 7e hnics Inc. <br /> Borehole Log <br /> r <br /> Project Narhe_ <br /> Arctic Ice 0 St.) Borehole No. RA-1 Page 1 of 2 <br /> Project s,No. fi91: Date 121 f 98 Contractor V&W Drilling <br /> Area & County 36 'N. 0 St Stockton, Son 'J a i Co <br /> LField Geo/Eng R. Kablanow Drilling Method Hollow Stem Ammer <br /> 5,. Tot. De 41.5' g -Depth— g <br /> Borehole Dia pth Tot. Casin De th Cnsin Dia. Screened IntervdR <br /> Filter Pack }' Annular Sean Slat Size Grout Water Depth N/A <br /> .i A <br /> .nin d C Rer�arks <br /> L` OJ <br /> Q U E Description <br /> � �, M z U3 r� U <br /> 0 c5 <br /> a <br /> Tank Excavation Backfill <br /> L5 <br /> 0950 17 <br /> f 21 <br /> .. . . . bAND—Brownish green. very y rocar on or <br /> 0955 12 <br /> 20 —. . . , ' ML Fine grained, mottled, gray sandy <br /> 10 1 Opp 20 onzons. <br /> Jd 25 <br /> 100520 : Hydrocarbon Odor <br /> 20 —. . . . do Staining <br /> 1010 1s __-- : ML Sand -As Above, decreasing clay .content. <br /> 27 - <br /> 15 101522 <br /> 1020 u -:— <br /> za <br /> ML and�'As Above, increasing clay content. <br /> 1T Very little evidence <br /> 1023 . . .. - of contamination <br /> xs oo# tubes present. <br /> 1027 1T . . . .. <br /> 20 t; 27 <br /> brown o greenis Town, tine <br /> 1030 20 No Hydrocarbon <br /> 2T rained, horizons of clay and coarse °'Odor <br /> ined sand; plant fragments. and root <br /> 1033 is ra <br /> i <br /> 4'1' 27 Ubes. <br /> 1035 30 .... . No Hydrocarbon <br /> 35 AND;brown, fine to medium grained, Odor <br /> 25 1040 20 oveil sorted, very low silt & clay content, , <br /> za Wn horizons of plastic clay. <br /> 1045 22 <br /> 37 <br /> iia <br /> 1 O50 3s =-- ;LAT—brown, sr y, calcareous, slightly No .Hydrocarbon <br /> 40 --_ lostic .to hard, mottled, plant Odor <br /> i ragments, root tubes. <br /> 30 <br /> Notes: SAND CLAY ®. Annular-Seal ® Grout <br /> SILT. Sample Submitted to Laboratory <br />