Hmm, I got the 10000 years number from this source : https://www.telegraph.co.uk/news/worldnews/europe/ukraine/12189175/Chernobyl-and-Fukushima-contamination-a-

Hmm, I got the 10000 years number from this source : https://www.telegraph.co.uk/news/worldnews/europe/ukraine/12189175/Chernobyl-and-Fukushima-contamination-a-risk-for-decades-or-even-centuries-to-come-warns-Greenpeace.html https://www.telegraph.co.uk/news/worldnews/europe/ukraine/12... But I can't seem to be able to find the original, even on Greenpeace You might be right on this