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i <br /> The San Joaquin Company Inc. Monitoring Well Log <br /> WELL No.: MW-3B Project: Former Fueling Station Project No.: 9902.016 <br /> : . Owner: Carl B. Navarra Location: 7500 W. Eleventh Street,Tracy, California <br /> 48.37 ft. Surface Elevation: 48.76 ft. De th to Water: 9.32 ft. i <br /> Top of Casing Elevation: p <br /> 3 <br /> Date Installed: 03/27/02 Total depth of Boring: 50.5 ft. Boring Diameter, 8 in. <br /> a, Well Casing Diameter: 2 in. Total depth of Well: 50 ft. Casing Material: PVC <br /> i <br /> s. <br /> -a Drilling Company: Spectrum Exploration Inc. Drilling Method: Open Stem Auger <br /> Driller: Dave Gonzalez Logged By: Dai Watkins f <br /> NOTE:Uniform Soil Classifications are from field observations only without data from laboratory. <br /> Depic <br /> (Feet) Sample GLogl� Description Well Construction <br /> k~` Heavy-duty steel wellhead box with bolted cover <br /> =.1 0 1.5-inches Bituminous Macadam paving and O-ring seal <br /> F,F:FF,F i <br /> Black Silty Sand and GRAVEL(GP)-fill Lockable water-tight cap s <br /> Odor of fuel hydrocarbons ° Concrete <br /> 2 <br /> I <br /> 4 Grey Silty CLAY(CL) f <br /> No Coro is <br /> Slight odor of fuel hydrocarbons <br /> 6 Recovery t: <br /> F. <br /> -1 8 <br /> Silty CLAY(Cl.�As above-with grey 7 <br /> mottling Indicative of bioremediatedV 04111102 '; <br /> 10 <br /> fuel hydrocarbons <br /> Slight odor of fuel hydrocarbons <br /> •" '' 'W" r•r•r•r 131acklbrown Silty SAND(SP) fine to <br /> 12 11.5 •�rr�rr coarse <br /> •;:SPti: <br /> t•r& <br /> 14 '�'�{:'ti' Type-]I Portland cement grout <br /> . . Ve sli ht odor of fuel h drocarbons <br /> f"=" •} ti-ti• rY 9 y <br /> M 6B .ti:Sp'tir Fine,light brown Silty Clayey SAND(SP) <br /> 16 <br /> .P%. No odor <br /> .. 18 .ti.ti.ti •. �; <br /> Light brown Silty SAND(SP)-very fine, I; <br /> •r•r•r•r very loose,very wet <br /> No odor F' <br /> 20 <br /> MW3s Soft light brown Silty CLAY(CL)- <br /> P1 softening with depth <br /> i 22 No odor <br /> CL <br /> ! f 24 ► <br /> is <br /> Yi <br /> l MW3B <br /> r 26 25.5 .{.ti. No odor <br /> i r•r•.• <br /> ~•�•~• Light brown,Silty SAND SP Very fine, <br /> r•r•r•r <br /> 28 ,ti tC;ti very loose,very wet <br /> •4rSPti: <br /> r•r•r•r <br /> - •r•r,r.r <br /> •ti•ti•S•ti• , <br /> 30 r,r.r.r <br /> i <br /> Page 1 of 2 <br /> i_ <br />