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So in Germany everyone was freaking out about even a possibility of building a deep geologic repository for nuclear waste... except they already have two of them storing mercury, arsenic and cyanide waste, and nobody cares.
They even have website:
https://www.kpluss.com/en-us/our-business-products/waste-management/underground-disposal/
And they're right not to care, because it's done safely. It's just silly to freak out about a decaying waste while not freaking about about a non-decaying one...