RE: More on DU

[keith bradshaw <Keith.G.Bradshaw@soc.soton.ac.uk>]

At 14:12 10/06/99 -0500, you wrote:
>Two items that you have not considered that the IH people might have:
first of all, not all of the
>particulates inhaled will become absorbed in the body.  As a matter of
fact, for an element as heavy
>as uranium, I would expect the uptake to be very low, though I haven't had
a chance to look up any of
>the data to verify that.  Also, I can't tell if you've taken into account
the organ dose/effective
>dose relationship or the fact that the total body biologically half life
for uranium is only 100
>days.
>

BUT is that biological half-life true for ignited uranium oxides?



>And according to our friends at Sigma-Aldrich, working in any detectable
concentration of uranium
>should require a self-contained breathing apparatus with a full facepiece
and operate in a
>pressure-demand mode.  If this guy was cleaning tanks unprotected, there
was a serious occupational
>safety shortfall somewhere along the line...
>

--------------------------------------------------------------------------
Keith Bradshaw
01703 596600 OR 596587

Geosciences Advisory Unit
School of Ocean and Earth Sciences
Southampton Oceanography Centre
European Way
SOUTHAMPTON
SO14 3ZH
UK
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