A Tokyo Electric Power Co. (Tepco) employee, left, wearing a protective suit and mask measures radiation as members of the media also in protective suits and masks stand in front of storage tanks for radioactive water at the Fukushima Dai-ichi nuclear power plant in Okuma, Fukushima Prefecture, Japan, on Thursday, Nov. 7, 2013. Tepco, which returned to profitability in its first-half earnings report on Oct. 31, is handling an estimated 11 trillion yen ($112 billion) cleanup of the nuclear plant wrecked by an earthquake and tsunami in 2011. Photographer: Kimimasa Mayama/Pool via Bloomberg