In disaster management, you need to go big early. Start getting several projects under way, so if any of them are needed they can jump into effect as soon as the need is clear. Hopefully the contamination is minor, but we already know there's likely to be some significant cesium contamination for a while now, and Japan should have half a dozen task forces starting with the assumption that technology X will deal with the contamination, and figuring out what they need to do to implement it.