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Weldon Spring Site Interpretive Center Online Tour

The Disposal Cell Constructed in Layers Bottom Layers of Cell Flipbooks Top Layers of Cell
The Disposal Cell Constructed in Layers

This display represents cross sections of the clean and protective layers of the disposal cell. From left to right: the top layers, two flipbooks displaying samples of the synthetic liners, and the bottom layers of the cell. Click on these portions of the image to view larger photographs of cell layers.

Base Liner—The base liner with leachate collection and removal systems designed to prevent leachate migration from the bottom of the cell.

Disposed Waste—The contaminated wastes, consisting of treated and untreated wastes, were placed and stabilized within the cell in a controlled and engineered manner to reduce settling, minimize volume, and retard radon emissions.

Clean-Fill Dike—The clean-fill dike, constructed of compacted clay soil material, surrounds the disposal cell in order to resist erosion, limit infiltration of moisture into the waste, minimize radon emissions, and reduce long-term maintenance.

Cover—The cover systems armor the top of the cell protecting it from erosion, infiltration, bio intrusion, etc. It consists of multiple layers including (from bottom to top) an infiltration/radon barrier of clay, a geosynthetic liner, a gravel drain, sand filter, and a mixture of cobbles.

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