Today, high-level waste is dealt with by cooling it in water for several years and then mixing it into a molten glass, which is poured into steel containers.

如今，高放射性废料的处理方式是将它在水中冷却数年，然后将其混入熔融态的玻璃中，接着倒入铁质容器。

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The crew of a helicopter was told Wednesday to stop dumping water and chemicals on a boiling pool of high-level radioactive waste because of elevated levels of radiation.

周三一队直升机机组成员被告知禁止在一处堆满放射性废渣的沸腾池附近投放水和药品，该地区辐射强度不断升级。

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So far, no country has succeeded in building a permanent geological repository for high-level nuclear waste, and only Finland has secured public acceptance for a site.

迄今为止，没有一个国家，已成功建造一座可永久性处置高放核废物的地质库，而且唯有芬兰，其公众同意接受建一个这样的地质库。

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They contain another, much less radioactive waste called transuranic waste (TRU waste) that is thousands of times less radioactive than high-level waste.

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Chemical reprocessing at Hanford would generate 22, 000 tonnes of high-level waste and 500, 000 tonnes of low-level waste.

ECONOMIST: Nuclear waste

The high-level waste would then be enclosed in glass canisters and buried deep underground while the low-level waste was stored above ground in special secure facilities.

ECONOMIST: Nuclear waste