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MONITORING WELL MW-9 <br />Record Drawing <br />4' X 4' concrete pad Protective Steel Casing <br />with Locking Steel Cover <br />4°dia. protective steel posts (4) <br />5' above ground surface and <br />+3' _ imbedded in holes with concrete. <br />Posts placed on 10' centers. <br />Ground Surface <br />a' - _ ~ u <br />5' - . CemenUBentonite Grout <br />Bentonite Pellets <br />Blank Sch. 40 PVC Casing <br />Sandstone (4"dia.) <br />(Codell) 17 -' <br /> • •~- 8"dia. borehole <br /> Filter Pack <br /> (Colorado Silica 10-20) <br /> Slotted Sch. 40 PVC <br /> (4"dia.) (0.010" slots) <br />37' <br /> Blank Sch. 40 PVC Casing <br />Shale 42' - ~ (4" dia.) <br />(Blue Hill) 43' - <br />NOT TO SCALE <br />