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Underground laboratory

Äspo Hard Rock Laboratory, north of Oskarshamn, is a unique underground research laboratory and there are only a few like it in the world where much of the research is about the final repository for spent nuclear fuel is taking place. Almost 500 meters deep, research is conducted in collaboration with Swedish and international experts.
The research means that we can study the interaction if bentonite clay and copper interacts with the rock in realistic conditions. Here experiments are made to clarify the role of the rock as a barrier. This can, for instance, be about how the rock slows down the movement of radioactive substances or how microbes affect conditions at this depth.
Evidently, there is no nuclear waste on-site, and this is only an underground cave for the experiments.

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