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.f <br /> The San Joaquin Company, Inc. Monitoring Well Log <br /> WELL No.: MW-4 Project: Former Fueling Station Project No.: 9902.012 <br /> Owner: Carl B.Navarra Location: 7500 W. Eleventh Street,Tracy, California <br /> Top of Casing Elevation: 47.19 ft. Surface Elevation: 48.23 ft. Depth to Water: 7.04 ft. <br /> �! is <br /> 04/27/00 22 8 t <br /> Date Installed: Total depth of Boring: ft. Boring Diameter: in. k <br /> Well Casing Diameter: 2 in. Total depth of Well: 22 ft. Casing Material: PVC <br /> Drilling Company: Spectrum Exploration Inc. Drilling Method: Open Stem Auger <br /> Driller: Dave Gonzalez Logged By: Dai Watkins <br /> ',> { NOTE:Uniform Soil Classifications are from field observations only without data from laboratory.Depth {{i <br /> :i kl <br /> (Feet) Sample G Log�o Description Well Construction <br /> :_3Hea0 and O rding seal steel wellhead box with bolted cover <br /> *a;t Silt,Sand and GRAVEL(GP)fill <br /> i <br /> Lockable water-tight cap , <br /> Concrete <br /> Type-II Portland cement grout <br /> r;r:t;i;t !i <br /> 4 <br /> Stiff,grey Silty CLAY(CL) Bentonite seal <br /> MW4-5.5 Odor of fuel hydrocarbons <br /> _1 CL V 05/11/00 <br /> I 8 <br /> _ 10 — <br /> Soft,light brown Silty CLAY(CL) No.2116 Montero sand filter pack <br /> MW4.11 Increasing stiffness and clay content y <br /> with depth i? <br /> 12 Slight odor of fuel hydrocarbons <br /> 2-inch diameter PVC well casing <br /> 14 CL with 0.01 inch aperature machincut slots i? <br /> l' <br /> MW4-15 { <br /> f <br /> �� •ti'tirS• F: <br /> 1$ •rrS�r�ti�;•��rGre Medium SAND(SP <br /> ) <br /> ;_.. 20 Sptir <br /> No odor <br /> 22 MW4-20.5 CL Soft,light brown Silty CLAY(CL) Conical PVC casing cap <br /> TD Boring @ 22 feet <br /> - 24 - <br /> - 26 <br /> - 28 <br /> G <br /> 30 <br /> Page 1 of 1 <br />