Japan's Ministry of the Environment estimates that 18-28 million cubic meters of radioactive waste will be produced as a result of decontamination work in Fukushima Prefecture. Plans as to where to store the waste are uncertain.
Mainichi News Oct. 7, 2013.
http://mainichi.jp/english/english/

A meeting Sept. 30 discussed the accumulating contaminated water from cooling operations at Fukushima. No decision was taken as to who has the lead in tackling the problem- TEPCO or the government.
Oct. 1, 2013; Mainichi News