Alright, you want details ? During the testing of nuclear weapons, the US had no problem testing the secondary effects of nukes through radiation far beyond the blast zone, by putting boats with soldiers to watch the thing.

It was widely known at that time that radiation was bad for you mkay, and that nuclear fission bombs were nuclear fission bombs, i.e. accelerated nuclear degradation bombs and drained all their explosive power from radiations, that kill mkay.

In the past, biological, chemical, explosive weapons were tested on rocks, plants, prisoners, personnel, unsuspecting local populations, etc. by the nazi regime, the US govt, the USSR and France - that are widely confirmed.

I wouldn't put it past THOSE people to do such a thing, would you ?

So really, if you want to say it's IMPOSSIBLE or UNLIKELY that they would've done that too, without knowing the consequences - I suppose you must be right.