Two of 17 minke whales caught off the Pacific coast of Hokkaido showed traces of radioactive cesium, both about one-twentieth of the legal limi
The government has banned fishing around the coastal nuclear plant.
The March 11, 2011 disaster knocked out power and crucial cooling systems at the Fukushima plant, melting fuel in three reactors and leaking massive radiation into the environment.
Some radioactive water was released from the plant into the ocean, causing concerns about contamination of seafood.
The leakage stopped after the plant operator sealed cracks, built oil fences around the plant and took other steps.
On Wednesday, plant workers tested a treatment system for highly-radioactive water now kept in temporary storage that may overflow within days. The idea is to decontaminate the water and eventually reuse it as core coolant
Radiation found in whales off Japan - Story - Environment/Sci - 3 News