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SECOR <br /> International Inco orated <br /> . Fcafions <br /> ate Drilled: Drilling Contractor Project Name: Method/Equipment: Well Number: <br /> *- Hollow Stem Auger <br /> 411104 Cascade Drilling 139 S.Center St.,Stockton,Ca CME-75 MVV-15 <br /> See <br /> Logs <br /> for Boring Surface Groundwater Depth(ft.): Total Drive Drop <br /> Diam.(in.): ) ev.(ft.): NA Depth(ft.): wt.(ibs.): Dist.(jn.): <br /> laboratory <br /> 10 30.0 140 30 <br /> 171 <br /> Well Details a = Description <br /> 12-inch Soil Surface <br /> traffic rated <br /> well box. <br /> Location was vacuum cleared to 82"bgs on 3/29/2004. <br /> No samples were collected for characterization or screening due to the presence of a deep well <br /> (MW-15D)recently installed nearby. <br /> 5 For a Soil Lithology description see the boring log for MW-15D. <br /> 4"Sch.40 <br /> PVC Set In <br /> Portland <br /> . Cement 10- <br /> 15— <br /> Hydrated <br /> 015Hydrated <br /> Bentonite <br /> Chips <br /> #2116 Sand <br /> 20- <br /> 0.0 V <br /> 00.0V Slotted <br /> 4"Sch.40 <br /> PVC Screen <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during drilling. Predominant material types shown on the log may contain different materials and the change from <br /> one predominant material type to another could be different than indicated. Descriptions on this log apply only at the specific location <br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times. <br /> • Project No, 77CH.90557.04 Date March/April 2004 Log of Well <br /> CH90557.GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure 15 (sheet 1 of 2) <br />