Dry cask storage

Dry cask storage

Dry cask storage is a method of storing high-level radioactive waste, such as spent nuclear fuel that has already been cooled in thespent fuel pool for at least one year and often as much as ten years. Casks are typically steel cylinders that are either welded orbolted closed. The fuel rods inside are surrounded by inert gas. Ideally, the steel cylinder provides leak-tight containment of the spent fuel. Each cylinder is surrounded by additional steel, concrete, or other material to provide radiation shielding to workers and members of the public.

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