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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 /> 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. <br /> Depth <br /> (Feel) Sample G og is Description Well Construction <br /> Heavy duty steel wellhead box with bolted cover <br /> 0 Silt,Sand and GRAVEL(GP)fill and O ring seal <br /> .:.:.:.:. Lockable water-tight cap <br /> ':'GP':* o c7 <br /> 2 Concrete <br /> .;.;. Type-11 Portland cement grout <br /> 4 •.:. <br /> MW7-5 No odor <br /> Stiff,grey Silty CLAY(CL) Bentonite seal <br /> 6 CL <br /> 8 <br /> 05/11/00 <br /> 1 a MW7-10 Odor of fuel hydrocarbons <br /> No.2J16 Monterey sand filter pack <br /> Silty CLAY(CL)with some gravel <br /> 12 - <br /> C L <br /> 2CL 2-inch diameter PVC well casing <br /> 14 with 0.01 inch aperature machine-cut slots <br /> Strong odor of fuel hydrocarbons <br /> 1$ MW7-15.5 j 1 Light brown SILT(OL) <br /> I I I I <br /> I IOL I <br /> 18 I 1 1 1 <br /> I 1 I <br /> I I - <br /> 20 Mw7-2o No odor <br /> SM Very loose,brown,fine Silty SAND(SM) <br /> Conical PVC casing cap <br /> 22 <br /> TD Boring @ 22 feet <br /> - 24 - <br /> - 26 - <br /> 28' 28 <br /> 30 <br /> Page 1 of 1 <br />