Fukushima isolation condensers under scrutiny

Fukushima isolation condensers under scrutiny (http://www.world-nuclear-news.org/RS-Fukushima_isolation_condensers_under_scrutiny-0606134.html)
An investigation is under way to determine whether the safety function of isolation condensers at Fukushima Daiichi 1 was affected by the earthquake of March 2011 prior to the subsequent tsunami that inundated the plant.