111 TBq [1] and it seems like they carried it for more than half a kilometer after they removed the material from the shielding [2]. [1] http://iaea.org/newsce

111 TBq [1] and it seems like they carried it for more than half a kilometer after they removed the material from the shielding [2]. [1] http://iaea.org/newscenter/news/2013/mexicoradsource.html http://iaea.org/newscenter/news/2013/mexicoradsource.html [2] http://www.bbc.co.uk/news/world-latin-america-25224304 http://www.bbc.co.uk/news/world-latin-america-25224304