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The San Joaquin Company Inc. Monitoring Well Log <br /> WELL No.: MW-3B Project: Former Fueling Station Project No.: 9902.016 <br /> L. <br /> r <br /> Owner: Carl B. Navarra Location: 7500 W.Eleventh Street,Tracy, California <br /> Top of Casing Elevation: 48.37 ft. Surface Elevation: 48.76 ft. Depth to Water: 9.32 ft. <br /> L Date Installed: 03/27/02 Total depth of Boring: 80.5 ft. Boring Diameter: 8 in. <br /> Well Casing Diameter: 2 in. Total depth of Well: 50 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. <br /> Depth Sample Graphic is Description Well Construction <br /> (FeeL <br /> Heavy-duty steel wellhead box with bolted cover <br /> 0 1.5-inches Bituminous Macadam paving and 0-ring seat <br /> ■:■ ■'■:■ Black Silty Sand and GRAVEL(GP)-fill Lockable water-tight cap <br /> L 2 Odor of fuel hydrocarbons b concrete <br /> ■.■ F ■ <br /> 4 Grey Silty CLAY(CL) <br /> 16m <br /> No Care <br /> IN <br /> 6 Recovery Slight odor of fuel hydrocarbons <br /> f w <br /> �,■,r./ CL <br /> 8 <br /> Silty CLAY(CL)As above-with grey 17 <br /> mottling indicative of bioremediated 04/11/02 <br /> 10 fuel hydrocarbons IN <br /> 16+ Slight odor of fuel hydrocarbons <br /> -'L•ti•tiK• <br /> MW313 r.r.r•r Blaclvbrown SiltySAND SP -fine to <br /> 12 -0 <br /> •tif~�tir r ( ) <br /> 1t.5 *gV. coarse <br /> -;rSP,r <br /> jrs •'L•ti•ti•;+ <br /> r+r+r•r <br /> 14 •;•ti}tir;� Type41 Portland cement grout <br /> - ,t Very slight odor of fuel hydrocarbons <br /> •ti-tj•r•r•r Fine,light brown Silty Clayey SAND(SP) <br /> i-ti•ti• <br /> 16 15.5 Mw36 •ti•SPIV No odor <br /> 18 S •: <br /> •;rt�Lr;• <br /> +tidSP•ti: Light brown Silty SAND(SP)-very fine, <br /> L, •r.tirsr very loose,very wet <br /> 20No odor <br /> MW313 Soft light brown Silty CLAY(CL)- <br /> 21 softening with depth <br /> �.. 22 No odor <br /> CL <br /> 24 <br /> L. <br /> MW38 <br /> 26 25.5 .ti.ti. No odor <br /> • r-r•r. <br /> •titi:tir�r Light brown,SiltySAND(SP)•Veryfine, <br /> 28tr r very loose,very wet <br /> •jSPtir <br /> •r r~rtir <br /> 80 <br /> Page 1 of 2 <br /> r� <br />