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The San Joaquin Company Inc. Monitoring Well Log <br /> WELL No.: MW-1 2 Project: Former Fueling Station Project No.: 9902.016 <br /> • Owner: Carl B.Navarra Location: 7500 W. Eleventh Street,Tracy, California <br /> 116- <br /> Top of Casing Elevation: 49.10 ft. Surface Elevation: 49.47 ft. Depth to Water: 9.33 ft. <br /> Date Installed: 03/28/02 Total depth of Boring: 22 <br /> p g: 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 /> � <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 /> am <br /> (Feet) p LogDescription Well Construction <br /> Heavy-duty steel wellhead box with bolted cover <br /> + ±:!:W:&:* Sand and GRAVEL(GP)-fill and 0-ring seal <br /> l: GpF:! Odor of fuel hydrocarbons Lockable water-tight cap <br /> }'.'.:.:. Concrete <br /> CL Type-ll Portland cement grout <br /> fir• <br /> j 4 Dark grey,Silty Sandy CLAY(CL)-fill <br /> Mw12 Strong odor of fuel hydrocarbons Bentonite seal <br /> 6 5.5 <br /> Dark grey Silty CLAY(CL)-with grey <br /> mottling indicative of bioremediated <br /> CL fuel hydrocarbons <br /> + V 04/11/02 <br /> L, 10 <br /> MW�2 Slight odor of fuel hydrocarbons <br /> 12 <br /> No.2/16 Monterey sand filter pack <br /> 1 q .ti s:ti ti <br /> .{f1rti{: Slight odor of fuel hydrocarbons <br /> r•r•r•r <br /> G •:r�r r 2-inch diameter PVC well casing <br /> 16 •~fyr,r:r with 0.01 inch aperature machine-cut slots <br /> •tigftS t. Ve loose,Light brown Fine SAND SP <br /> MW12 •ti tirti ti: ry 9 SAND(SP) <br /> �'•f•f•r with some ravel <br /> 8 16.5 .{1SP ti. No odor g <br /> •1•ti•1.1 <br /> R., <br /> .ti.Sti.ti. <br /> f•f.f•1 (Tools trapped) <br /> •4.ti.ti.ti. <br /> r•d T 1' <br /> 20 •�ti.ti.ti. <br /> r.d r•r <br /> •ti•ti.{.ti. tight brown Silty GRAVEL(GP)-gravel <br /> particles to 112-mch sieve size <br /> Mwt2 Conical PVC casing cap <br /> ., 22 21.5Partial <br /> No odor <br /> Loss of TD Boring @ 22 feet <br /> ' Core <br /> — 24 - <br /> 26 - <br /> - 28 - <br /> - 30 --1 <br /> 4262$30 <br /> Page 1 of 1 <br />