This is intentional.

Think, the next seaweed you pull out of the props might have cesium,
plutonium or some other nasty in it. Tuna, salmon, squid, shrimp too....

Really, if Obama had balls he would say no damned way. Clean up the
water first. But Obama does not have guts, just a balloon buffoon sized
ego. Hey, the Pacific supplies a huge amount of food for the world and
they are poluting it with radioactivity. Unacceptable. Criminal in fact.

http://www.csmonitor.com/USA/2011/04...into-the-ocean