

So they looked at a known nuclear waste disposal location and they are surprised they found leaking nuclear waste.
At least nowadays the nuclear waste is stored in nearly indestructible stainless steel and concrete canisters and not some unsuitable steel barrels, thrown in the ocean.



Water is such a good radiation insulator that you need to be a few meters from the nuclear waste to be able to detect any radiation, the issue usually is the effect to wild life, that absorbs radioactive heavy metals, but so deep in the ocean, it’s not much of an issue.