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The San Joaquin Company Inc. Monitoring Well Log <br /> r <br /> WELL No.: MWA3 Project: Former Fueling Station Project No.: 9902.412 <br /> Owner: Carl B. Navarra <br /> { Location: 7540 W. Eleventh Street,Tracy, California <br /> Top of Casing Elevation: 49.61 ft. Surface Elevation- 50.01 ft. Depth to Water: 11-06 ft. <br /> Date Installed: 04/21/04 Total depth of Boring: 26.5 ft. Boring Diameter: 12 in. <br /> Well Casing Diameter: 6 in. Total depth of Well: 25 ft. Casing Material: PVC <br /> Drilling Company: Spectrum Exploration Inc. Drilling Method: Hollow Stem Auger <br /> Driller: Tony Young Logged By: Steve Flexser <br /> NOTE:Uniform soil Classifications are from field observations only without data from laboratory. <br /> Depth hic <br /> (Feet) Sample GLogrc Description P Well Construction <br /> * 0 Heavy-duty steel wellhead box with bolted cover <br /> 3 inches bituminous macadam and O-ring seal <br /> GCY Brown Clayey Sandy GRAVEL(GC)fill D Cap <br /> 2 Concrete <br /> Dark grey CLAY(CH),stiff,moist Type41 Portland cement groutBentonite seal <br /> 4 CH <br /> $ Strong odor of fuel hydrocarbons <br /> 6 7 Stiffens,strong odor <br /> 8 <br /> No.2 Monterey sand filter pack <br /> 10 t <br /> 3 04/30/04 <br /> 7 Dark grey Silty CLAY(CL),medium stiff, <br /> 2 CL with fine d <br /> Distinct odor to 12 feet,none below <br /> 14 Light brown CLAY(CH),soft,wet <br /> 3 CH No odor 6-inch diameter PVC well casing <br /> L 16 6 A with 0.02 inch aperature machine-cut slots <br /> s <br /> 18 <br /> 20 3 c <br /> 4 <br /> 7 <br /> 22 <br /> 24 <br /> � ML Light brown SILT(ML),soft,wet,with <br /> LW - 3 �; fine sand Well Casing End Cap <br /> 3 No odor <br /> 26 4 2 CL Silty CLAY(P11 soft,wet <br /> TD Boring @ 26.5 feel <br /> 28 <br /> 30 <br /> Page 1 of 1 <br /> t <br /> w <br />