On Feb 17, 5:43*am, (Windmill)
wrote:
"Dave Liquorice" writes:
On Sat, 16 Feb 2013 01:07:32 GMT, Windmill wrote:
But also do frequent widespread checks for the presence of a wide range
of noxious substances. Iodine 131 from Chernobyl (or Japan?), ...
Iodine 131 has a half life of about 8 days. There will be bugger all
Iodine 131 from Fukishima still about let alone Chernobyl.

But they give iodine tablets to those exposed.
What does I131 decay to? Is it also radioactive? If so, what in turn is
its half-life?

These are the ones you need to be worrying about.
http://en.wikipedia.org/wiki/Nuclear...ssion_products