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George's Service Project Name Page 2 of 2 Borehole Na MW-105 <br />425.2 Project No Date 6/30/98 Contractor V&W Drilling <br />Field Geo/Eng M. Niemi Drilling Method Hollow Stem Auger <br />Geological Technics Inc. <br />///////////////1 '/// ,,,/,,,,,/,,,,,,,, //// Borehole Log • , /////////////////// ////////////////////// ///////////////////// <br />Area & County Corner of Durham Ferry Rd. and Hwy 33/ San Joaquin Co. <br />Borehole Dia—Ei <br />Filter Pack <br />Tot. Depth <br />Annular <br />37 .5' Tot. Casing Depth 37.51CasIng Dia 2" Screened Interval 35 -32.5' <br />37.5 -30' Seal 30-27' Slot Size 0.020" Grout 27 -0' Water Depth +/-7' <br />_,.., 0-,1, <br />> s_ <br />.E• <br />T± <br />al CI- <br />a) <br />Ti <br />d a <br />ta) <br />E <br />'ID <br />0 c <br />Fici 3 <br />0 <br />in <br />_. <br />—, d <br />Cu a) <br />--- Columnar Section V) u E <br />V) >, <br />D V) <br />Description Remarks <br />OVM (ppm) <br />_ Well Boring Was Free Drilled. See Log <br />For SB-105. <br />_ <br />_ <br />_ <br />—.... _,..... _.... _ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />GRAVEL <br /> <br />Notes: <br /> <br /> SAND EEl CLAY 7.7/ Annular Seal n Grout <br />Sample Submitted to Laboratory SILT (3 0° <br />3 <br />3 <br />40 <br />45 <br />50