"Except
for uranium mines, Natural Uranium
always occurs in
highly dilute concentration, approximately
1-ppm in soils.
It is locked up in non-metallic
form in minerals and is not readily
available for chemical action in
the body or in the environment.
On the other hand, Depleted
Uranium always appears in highly
concentrated chemical form, usually
as uranium oxides or metal, and is
available for immediate chemical
action in the body or in the environment.
In your samples (samples from the
dust of the EL-AL
Boeing) it appears
as oxidized uranium aerosol particles
that can easily
become resuspended in air and inhaled.
Potentially this is very dangerous".
Len Dietz
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