Especially when they may be sunk in coastal water or the port?
In: Engineering
I recall a story about a fuel rod pool diver. He saw some metal parts in the pool and decided to put them in his basket. When he came above water, his radiation detector went off, and he dropped them back into the pool.
The water between his hand and his chest where the detector was is enough to stop the radiation detector from going off. Fortunately, his hand/arm was the only thing that got irradiated.
Water is a really good insulator against radiation. The radiation from fresh fuel rods can be made indistinguishable from the radiation from the environment with ~2.5meters of water.
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