it pulls out sesium, and the second stage takes out all the other nuclear [ inaudible ] except for tridiumclean up the water very considerably. but it's important to understand that -- that much of that water that is stored is tresid, it has the primary treatment and maybe the second retreatment. and there may be leaks from time to time, but the point is to make sure that doesn't go anywhere that will effect anybody. >> authorities said they were wrong about radiation levels, and there was a spike in the last couple of weeks. do you disagree with that finding? >> i do disagree that there's any overall spike in radiation levels in that whole area. if you take a radiation counter around the plant like that, you will find odd hot spots in any plant handling radioactive material. there is no increase in radiation generally, either around the plant or let alone from it. >> what about the workers? >> they are all issued with monitoring badges, and the levels of radiation exposure for many of the workers at this stage is very, very minor. in the middle of the accident there were some relatively h