In particular, he referred to the issue of processing radioactive waste water.Tokyo Electric Power Company has been able to remove most of the radioactive materials from the processed water. The one exception is tritium, which emits beta rays with comparatively weaker energy.
Moniz said removal of tritium is a challenge.
But he stressed that his department and US firms have experience in processing the material when they dealt with nuclear waste water in the past.
Nov. 3, 2013 - Updated 01:55