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MONITORING WELL MW-10 <br />AS-BUILT DRAWING <br />4' x 4' Concrete <br />Ground Surface <br />32' <br />Sandstone <br />32-40'- Lt. brn. to buff <br />40-52' -gray <br />Shale <br />Protective Steel Casing <br />with Locking Steel Cover 4" dia. protective steel posts (4) <br />5' above ground surface and <br />imbedded in 5' deep holes wilh <br />+3'- concrete. Posts placed on 10' <br />~ centers. <br />Cement/Bentonite Grout <br />8" dia. Borehole <br />Blank Sch. 40 PVC Casing <br />(4" dia.) <br />29' - <br />Sand PackBentonite Pellets <br />32.5- ~ (Colorado silica 20-40) <br />42' - <br />Filter Pack <br />(Colorado Silica 10-20) <br />Slotted Sch. 40 PVC <br />(4") (0.010" slots) <br />52' - Blank Sch. 40 PVC Casing <br />5T - (4"dia.) <br />62' - <br />NOT TO SCALE <br />Limestone <br />