Tokyo Electric Power Co. said Thursday radioactive substances that leaked into the sea from its crisis-hit nuclear plant over six days from April 1 totaled an estimated 5,000 terabecquerels, 20,000 times more than the annual allowable limit for the plant.
The radioactive substances were in an estimated 520 tons of high-level radioactive water that leaked into the sea from the No. 2 reactor of the six-reactor Fukushima No. 1 plant, which was devastated by the March 11 quake-tsunami disaster in the Tohoku region.
Read the rest of the story: Leaks into sea 20,000 times over safe limit.