In this June 30, 2011 photo released on July 5, 2011 by Tokyo Electric Power Co., sliding concrete slabs are all set in the slits of the upper part of the sluice screen for Unit 2 reactor at the tsunami-crippled Fukushima Dai-ichi nuclear power plant in Okuma, Fukushima Prefecture, northeastern Japan, in TEPCO's effort to decrease the leak of radiation contaminated water to the ocean. (AP Photo/Tokyo Electric Power Co.) EDITORIAL USE ONLY

Associated Press
In this June 30, 2011 photo released on July 5, 2011 by Tokyo Electric Power Co., sliding concrete slabs are all set in the slits of the upper part of the sluice screen for Unit 2 reactor at the tsunami-crippled Fukushima Dai-ichi nuclear power plant in Okuma, Fukushima Prefecture, northeastern Japan, in TEPCO's effort to decrease the leak of radiation contaminated water to the ocean. (AP Photo/Tokyo Electric Power Co.) EDITORIAL USE ONLY
In this June 30, 2011 photo released on July 5, 2011 by Tokyo Electric Power Co., sliding concrete slabs are all set in the slits of the upper part of the sluice screen for Unit 2 reactor at the tsunami-crippled Fukushima Dai-ichi nuclear power plant in Okuma, Fukushima Prefecture, northeastern Japan, in TEPCO's effort to decrease the leak of radiation contaminated water to the ocean. (AP Photo/Tokyo Electric Power Co.) EDITORIAL USE ONLY
View Comments (0)