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Alluvial Well Completion Diagram <br />Collom Well ID: MC - -01 <br />Northing: <br />348024.8 <br />Easting: <br />1323554.9 <br />GS Elevation <br />7162.6 <br />depth <br />Top of Riser Pipe <br />Ground Surface <br />Top of Bentonite <br />Seal <br />Top of Filter <br />Pack <br />Top of Screen <br />Bottom of Screen <br />Bottom of Gravel <br />Pack <br />r� <br />L <br />Completion Date <br />completion materials <br />Lockable well monument <br />nominal 8 -inch dia. Steel <br />surface casing with 1/4 -inch <br />Concrete pad sloping away from the <br />monument <br />Portland cement Type 1 /11 <br />Riser Pipe: 2 -inch, sch 40 pvc casing with <br />ASTM F -480 flush -joint threads and Teflon <br />O -rings from top of screen to at least 3' ags <br />Bentonite Holeplug (3/8 -inch) <br />Nominal 6 -inch dia. drilled hole <br />Sand Pack: 10/20 colorado silica sand <br />Screen: 2 -inch, sch. 80 pvc, 0.01 -inch <br />factory slot <br />End cap <br />Total Depth Drilled 65 ft <br />8/20/2004 <br />amount <br />