Let's discuss this rationally and not like a bunch of middle schoolers who get their nuclear info from reruns of the Simpsons.
First the dead man. He fell ill, collapsed and died. The cause of the death was unknown. The man, in his 60s, was employed by one of Tokyo Electric’s contractors and started working at the plant on Friday. He was exposed to 0.17 millisieverts of radiation on Saturday, Tokyo Electric said.
The Japanese government’s maximum level of exposure for male workers at the plant is 250 millisieverts for the duration of the effort to bring it under control.
Rumours claim the meltdown melted a hole the containment core's bottom exposing everyone to radiation and letting in water. I seriously doubt the meltdown caused a hole. When the core melted at 3 mile island the rods only melted away less then a quarter inch of steel at the bottom. There is thicker steel then that on the bottom I presume which would mean everything is still in tact. You just need to build a new core and use new fuel rods other then that everything appears to fine.

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