sr-89 and 90

[Norman & Karen Cohen <norco@bellatlantic.net>]

Commenting on the sr-89 and 90 question raised by some postings, I am told by
Tooth Fairy people that:

> 1. It is impossible to calculate Sr-89 levels in teeth - the half life is
> only 50 days.
>
> 2. We never said that Sr-90 in teeth and bone is the best measure of
> analyzing in-body radioactivity - but it is probably the most feasible.  It
> certainly was good enough for the AEC/DOE when they studied vertebra in New
> York and San Fran from 1954-82; and it was good enough for the US Public
> Health Service in measurements in 30 cities from 1962-71. (And, of course,
> the St. Louis study, 1950-70).
>
> I would add that there was a comment questioning whether the baby tooth
> studies had an inpact on Kennedy's signing of the Partial test Ban. The
> information about that should still be on the RPHP website:
> www.radiation.org.   It's my understanding that the tooth studies were
> certainly at least a large part of the persuasive evidence that convinced
> Kennedy to go forward to stop above ground testing. So, the methodology is
> not new - goes back to the 50s.

peace
norm

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