After exposure to radiation it is important to consider that you may have mutated to gigantic dimensions: watch your head.
People, animal corpses and the biohazard symbol are all at risk of being sucked into the time-tunnel vortex.
Try to absorb as much of the radiation as possible with your groin region. The current world record is 5 minutes, 12 seconds.
Visit safenow.org to see the whole set.