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Geological repository
An excavated, underground facility that is designed, constructed, and operated for safe and secure permanent disposal of HLW. A geological repository uses an engineered barrier system and a portion of the site’s natural geology, hydrology, and geochemical systems to isolate the radioactivity of the waste. For further detail, see High-Level Waste Disposal.
Page Last Reviewed/Updated Thursday, August 27, 2026
Page Last Reviewed/Updated Thursday, August 27, 2026