Tokyo Electric Power Co. said Aug. 6 it is struggling in its latest efforts to stop radioactive groundwater from flowing into the sea at the Fukushima No. 1 nuclear plant.
Tepco said some of the water is getting over or around "chemical walls" it created bychemicals into the soil that a wall.
The latest problem involves groundwater that has built up over the last month.
Tepco said it had been focusing instead on the bigger risk from the melted reactors. (AP)
The Japan Times ST: August 16, 2013