Radioactive soil can fill 23 Tokyo Domes | The Japan Times Online
http://search.japantimes.co.jp/cgi-bin/nn20110929a3.html
Radioactive soil and vegetation that must be removed in #Fukushima and four adjacent prefectures could reach up to 28.79 million cu. meters, equal to filling the Tokyo Dome 23 times, according to a recent Environment Ministry estimate.