[NRG1973]

My guess is that contamination being found in Tokyo water is from streams and open reservoirs. Ground water contamination would take longer than a week. If the source of contamination in this event is stopped, the current contamination would dilute (and decompose as well) over a similar period of time, would it not?

Well, then, wonderful!!! I'll inform the folks in Chernobyl that they can come home whenever they want to.

[glock rocks]

Oh, you were talking about Chernobyl. Nevermind.

[Clay Moore]

“Well, then, wonderful!!! I’ll inform the folks in Chernobyl that they can come home whenever they want to”

I realize that was supposed to be sarcastic, but you are comparing apples to oranges.

Chernobyl was a graphite bodied reactor that burned. There was no containment building.