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The San Joaquin Company, Inc. Monitoring Well Log <br /> WELL No.: MW-7 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: 48.22 ft. Surface Elevation: 49.02 ft, Depth to Water: 8.56 ft. <br /> Date Installed: 04/26/00 Total depth of Boring: 22 ft. Boring Diameter: 8 in. <br /> 1r <br /> Well Casing Diameter: 2 in. Total depth of Wel]: 22 ft. Casing Material: PVC <br /> Drilling Company: Spectrum Exploration Inc. Drilling Method: Open Stem Auger <br /> i <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 <br /> (Feet) Log Description Well Construction <br /> :a Heavy duty steel wellhead bdx with bolted cover <br /> - a 0 Silt,Sand and GRAVEL(GP)fill and O-ring seal <br /> Lockable water-tlght cap <br /> INi <br /> 2 ;;F F .;� Concrete <br /> i + �:•: Type-II Portland cement grout <br /> 4 .:F <br /> MW7.5 No odor <br /> Stiff,grey Silty CLAY(CL) Bentonite seal <br /> CL <br /> 4:`=1 V 05/11/00 <br /> 10 <br /> MW7-10 Odor of fuel hydrocarbons <br /> - No.2116 Monterey sand filter pack <br /> Silty CLAY(CL)with some gravel F' <br /> 12 <br /> CL 2-Inch diameter PVC well casing <br /> 14 with 0.01 inch aperature machine-cut slots <br /> Strong odor of fuel hydrocarbons IJ <br /> 16 Mw7-15.5 <br /> Light brown SILT(OL) <br /> 110 1 r <br /> 1$ ilii <br /> 20 MW7.20 No odor <br /> SM, <br /> Very loose,brown,fine Silty SAND(SM) .3 <br /> Conical PVC casing cap <br /> 22 <br /> TD Boring @ 22 feet <br /> _ 24 - <br /> 26 - <br /> - 28 - <br /> 30 <br /> 4 262830 <br /> :-1 <br /> 11 Page 1 of 1 <br />