Memorial Day events planned around the Mid-Columbia

May 23, 2014 06:42 PM

UPDATED May 23, 2014 06:45 PM

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  • Workers take down Plutonium Reclamation Facility Canyon

    This video from November shows demolition of the north wall of the canyon, allowing heavy equipment to begin removing strong backs from the walls. Strong backs are brackets from which pencil-shaped processing tanks once hung. It also shows the array of dust suppression tools, each spraying water from a different angle to help control radiological contamination during demolition.