number four and could be a problem if spent fuel at that site becomes exposed. let me ask you about the threat to people. let me get really basic here. the threat to human bodies of radiation. what is it? it damages if large doses it can cause sickness. it s called radiation sickness. you can damage the blood. you can vomit and in larger doses you can actually die and so you have to be very careful to reduce the risk and that s really what the workers face. that s why the site was evacuated. the dose rate got so high yesterday that it wasn t safe to stay there and so only essential personnel were kept there. less radiation goes out to the public outside of the site and there s an evacuation zone but the problem that the public is going to face over time is the radiation that s been emitted and got forbid if there s more can get into the food chain for