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. . . .. ... <br /> The San Joaquin Company Inc. Monitoring Well Log <br /> yf <br /> WELL No.: MW-3A Project: Former Fueling Station Project No.: 9902.016 <br /> 1 Owner. Carl B. Navarra Location. 7500 W. Eleventh Street,Tracy, California #; <br /> s; <br /> - k <br /> Top of Casing Elevation: 47.42 ft- Surface Elevation: 48•$7 ft. Depth to Water: 9.10 ft• <br /> Date Installed: 03/26/02 Total depth of Boring: 35 5 ft. Boring Diameter: 8 in. t; <br /> Well Casing Diameter: 2 in. Total depth of Well: 35.5 ft. Casing Material: PVC <br /> << Drilling Company: Spectrum Exploration Inc. Drilling Method: Open Stem Auger <br /> Driller: Dave Gonzalez Logged By: Dai Watkins <br /> NOTE:Uniform Soil Classifications are from field observations only without data from laboratory- <br /> Depth Sample Graphic Description Well Construction <br /> (Feet) Log ii <br /> ;) Heavy-duty steel wellhead box with bolted cover <br /> -� 0 1.5-Inches Bituminous Macadam paving and O-ring seal <br /> r,r,r,r,r <br /> Slight odor of fuel hydrocarbons9 <br /> .............. Lockable water-tight cap " <br /> * ! F Sand, Silt and GRAVEL(GP)-fill a <br /> 2 F:r'F'F;F Concrete <br /> F',GR:F <br /> 4 r,..r,.,. Slight odor of fuel hydrocarbons <br /> MW3A <br /> Stiff,dark grey Silty CLAY(CL)-medium Type-11 Portland cement grout <br /> 6 soft,No odor <br /> Medium stiff to stiff,light grey <br /> Silty CLAY(CL)-mottling indicative of ; <br /> CL bioremediated fuel hydrocarbons <br /> 1 I <br /> V 04/11/02 <br /> 10 Slight odor of fuel hydrocarbons ' <br /> 12 MW3A <br /> 11.5 <br /> -tiaft.ti Medium grey Silty SAND(SP)-loose, <br /> t.�.pvery:_;` `�f�r•r r ve wet <br /> 14 .ti.SPti� <br /> ,tirti ti?tir Very slight odor of fuel hydrocarbons 1 <br /> MW3A <br /> 16 15 Medium stiff,light brown Silty CLAY(CL) <br /> CL : <br /> 18 Very slight odor of fuel hydrocarbons <br /> =� 20 <br /> •; tirti• Medium grey Silty SAND(SP)-loose <br /> MW3A 'tip SNo odor <br /> ;! 22 21.5 21 <br /> Partial <br /> Core Medium stiff,light brown Silty CLAY(CL) <br /> 24 Recovery CL No odor <br /> MW3A l' <br /> 26 25 ,S Bentonite seal <br /> ,;rti tirti Light brown,Silty Fine SAND(SP)-very <br /> 2$ ,ti; ti;tir loose wet <br /> No odor <br /> '�r1rti ti: No.2/16 Monterey sand filter pack <br /> 30 •�� rti ti. <br /> i <br /> lid <br /> Page <br /> 1 of 2 <br />