the surrounding area. however, that's only if they keep it reasonably well contained, as they have so far, reasonably well. >> barry, if we are so fortunate to be blessed by winds and other variables that don't spread the material around, it doesn't address the on the ground issue of the fact that, again, you've got four rem per hour coming off of unit four when the u.s. threshold for nuclear workers is five rem per year. is there any contingency, any material, are there jackets, are there coats, anything that the human beings that are close to it that facility, whether they work there or simply can get away from it, can physically put on their body? >> well, dylan, i think that they've done the evacuation as best they can in a phased approach, two miles, five miles and further out to get people to safety as best they can. there's potassium iodine tablets