>>13347705Also, you should probably note that cobalt 60 is a particularly nasty isotope, it's pretty much the standard of what people are looking for when they're trying to minimize contamination associated with nuclear work/maintenance.
It'll fuck up your lungs/GI tract if inhaled or ingested, and will just sit around continuing to dose you for years (in the form of entrained dust in your clothes/pockets/shoes/etc) if not properly decontaminated.