Am told one of Japans formost ideas is NOT to alarm the public..all must be calm in the face of danger. Likely they will not report the facts until after the fact...time will tell...as one Freeper said watch what they do not what they say...they distrrubted iodine pills which says allot.
However, it is readily taken in by the body and specifically the thyroid gland. Hence, the therapy of sodium iodine tablets, which displace it from the gland.
In about 80 days, it will be gone as in undetectable.
For perspective, consider that all of the lead on earth was once uranium...
"Don't worry, we're just stoppin' for ice."