tokyo says that the water going into the pacific has radiation limits 100 times the limit, and the leaky water is worse. now radiation poses three kinds of danger to the marine life. if it is high enough, it can kill fish and other species outright, and lower levels affect the dna and that of the off sprirn offspring and the last kind is affecting the food chain. and i want to talk to the head of the risk assessment corporation who joins me by phone, john till. dr. till, can you give us your take on the radiation coming into the water from the fukushima plant right now? >> well, it is looked at in two regards. one is the water released into the sea and the proximity of the facility, and this is something that you certainly want to monitor and keep track of. i would not expect to see any permanent effects on marine