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ecGeolo Geological g Technics Ince <br /> Borehole Log <br /> Project Name___ George's Service—_ Borehole No _ _ MW-5 Page 1 of 1 <br /> Project No 4252 hate 4/30/97 ContractorVAW Drilling <br /> Area & County Corner_gf Durham Ferry Rd. and_ Hwy_ 33/ Son Joaquin Co. <br /> Pietcl Geo/Eng M Niemi Drilling Method Hollow Stem Auger <br /> Borehole Dia 8" Tot Depth 22' Tot Casing Depth-.Z2 <br /> LCasing Dia 2" Screened interval 221'7' <br /> Filter Pack-22'-6' Annular Seal 6'-4' Slot Size 0 020 Grout 4'-0' Water Depth +/-7' � <br /> y <br /> �' C Remarks <br /> E � <br /> � J CO o 1 :3 41 <br /> U v fr Description ovl►� C��m} <br /> a n' a 0 o ~ ca � � L7 �, <br /> 04 cn z U 3w Ucn ::DN <br /> 0 <br /> G <br /> 0651 a =—= CL CLAY--(5Y5/3), plastic, geology sample Q <br /> r --= only <br /> 10 <br /> 0654 a SM SILTY SAND-(5Y5/2) blue green 2� <br /> ° staining, gasoline odor, moist, only <br /> enough sample for geology. <br /> 15 <br /> 1 —_ —_ __ ML SANDY SILT-(2 5Y6/8), fg sand, slightty Q <br /> 14 plastic <br /> 20 7 SW <br /> p706 SAND-(2 5Y6/4), fine to medium 2 <br /> SM grained, from 20-20 5' <br /> SILTY SAND, fine grained, 20 5-21 5' <br /> 25 <br /> 030 <br /> Notes SAND CLAY ® Annular Seal ® Grout <br /> SILT M Sample Submitted to Laboratory <br />