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�. The San Joaquin Company, Inc. Monitoring Well Log <br /> WELL NoT MW-4 Project: Former Fueling Station Project No.: 9902.012 <br /> �rrr <br /> } Owner: Carl B. Navarra Location: 7500 W.Eleventh Street,Tracy, California <br /> L <br /> Top of Casing Elevation: 47.19 ft. Surface Elevation: 48.23 ft. Depth to Water: 7.04 ft. <br /> Date Installed: 04/27/00 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 /> V <br /> Drilling Company: Spectrum Exploration Inc. Drilling Method: Open Stem Auger <br /> tL. <br /> Driller: Dave Gonzalez Logged By: Dai Watkins <br /> NOTE:Uniform Soil Classifications are from field observations only without data from laboratory. <br /> V <br /> Dept) Sample Graphic 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 /> r;r;r;r;r <br /> Lockable water-tight cap <br /> t,�,�,r,� 4 A CORCr@t@ <br /> 2 •'•GP:• <br /> Type-II Portland cement grout <br /> LM <br /> Stiff,grey Silty CLAY(CL) Bentonite seal <br /> MW4-5.5 Odor of fuel hydrocarbons <br /> 6 <br /> L'� CL 05/11/00 <br /> 8 <br /> 10 Soft,light brown Silty CLAY(CL) <br /> MW4-11 Increasing stiffness and clay content No.2116 Monterey sand filter pack <br /> with depth <br /> 12 Slight odor of fuel hydrocarbons <br /> Lo /CL 2-inch diameter PVC well casing <br /> 14 with 0.01 inch aperature machine-cut slots <br /> MW4-15 <br /> 16 <br /> �til�r <br /> 18f f;r r Grey Medium SAND(SP) <br /> L .ti ti�tisti <br /> 20 tirSMtir <br /> •....P ti: No odor <br /> MW4-20.5 7CL Soft,light brown Silty CLAY(CL) Conical PVC casing cap <br /> ►- 22 <br /> TD Boring @ 22 feet <br /> 24 <br /> Lff <br /> 26 <br /> 28 <br /> 30 <br /> Page 1 of 1 <br /> >r <br />