Some details on why they raised the nuclear-event level from 5 to 7
http://www.cnn.com/2011/WORLD/asiapcf/04/11/japan.nuclear.reactors/index.html…It seems more like a “technical re-evaluation” more than anything specific that happened. The amount of released cesium warrants that rating, even though much less cesium has been released than at Chernobyl. doug
Lots of talk but is it safe at all??