The No. 1 reactor’s emergency cooling system at the Fukushima No. 1 Nuclear Power Plant was not functioning even before tsunami triggered by the March 11 earthquake struck the facility, according to initial data released on May 16 by Tokyo Electric Power Co. (TEPCO).
The emergency cooling system had previously been believed to be operating until the tsunami hit the No. 1 reactor. TEPCO had based the results of its analysis of how the cooling system stopped functioning — which were released (…)