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Geological Technics Inc. <br /> IProject Name George's Service Borehole No MW-102 Page 1 of 2 <br /> Project No _ 4252 Date 4229/97 Contractor_y&W Ordlling__ - <br /> Area & County Corner of Durham Ferry RdHwy 33/ San Joaquin- <br /> F'ielcl Geo/Eng M, Niemi Drilling Method Hallow Stem Augeer <br /> 12' 0-39' <br /> Borehole Drag' 39-50'rot Depth 50 Tot Casing Depth 50 Casing Dia 2' Screened Interval 47 5-45 <br /> Filter Pack 50-43.5' Annutar Seal 43.5-41' Slot Size 0 020 Grout 41-0' Mater Depth +/-70 <br /> +�+ L d C <br /> Lo Remarks <br /> s+' = o_ o *' -- £ �' U E Description OVM {ppm) <br /> QJ d o �' as o o, a cn >, <br /> a� �, cn z �° 3 �a c°� v, ::D C6 <br /> D <br /> 5 0640 s No Core Recovery 1 <br /> • s <br /> la <br /> 0647i _ _ =_ ML SILT-blue gray color, only a fors mchs 52 <br /> 7 recovorod from shoe <br /> Strong Gasoline <br /> Odor <br /> 15 0653 90 = = ML SILT--(2.5Y6/6), grading to silty sand, 150 <br /> 13 SM fine to medium grained, at 16', wat at <br /> 15 5' Gasoline Odor <br /> 5 <br /> 0556 5 ARL SANDY SILT (2 5Y6/6), fine grained 4 <br /> 1 - - - sand, blacks hydrocarbon staining <br /> Gasoline Odor <br />' 25 <br /> 0703 SAA SILTY SAND-(2 5Y6/6), fine grained, 4 <br /> black hydrocarbon staining <br /> Gosolrne Odor <br /> t <br /> 030 — <br /> Notes <br /> © SAND CLAY ® Annular Seal ® Grout <br /> SILT Sample Submitted to laboratory <br />