Japan's Nuclear Regulation Authority (NRA) Chairman Shunichi Tanaka is seen between chairs during a news conference at the Foreign Correspondents' Club of Japan in Tokyo September 2, 2013. Japan's ... more 
Japan's Nuclear Regulation Authority (NRA) Chairman Shunichi Tanaka is seen between chairs during a news conference at the Foreign Correspondents' Club of Japan in Tokyo September 2, 2013. Japan's nuclear regulator reiterated on Monday that it may have to consider discharging into the ocean water from the wrecked Fukushima nuclear plant that contains radiation below regulatory thresholds. REUTERS/Issei Kato (JAPAN - Tags: DISASTER ENVIRONMENT ENERGY) less 
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Reuters | Photo By ISSEI KATO / REUTERS
Mon, Sep 2, 2013 3:30 AM EDT