| DU Facts and Fiction: ******************************************************************
 |
There are
a vast number of fictions about DU. UMRC
would like to respond to a few of these. Fiction: Uranium is ubiquitous
in nature and therefore is no cause for
concern
Fiction: DU is not harmful; it is
depleted in U235
Fiction: Alpha particles can't penetrate
clothes and skin
Fiction: Governments and the World Health
Organization (WHO) have tested for DU
Fiction: Uranium usage levels is too low
to be a concern or merit investigation
Fiction: There are no serious effects
from low-level exposure to Uranium
Fiction: DU weapons dust soon dissipates
and does not travel far from the
explosion site
Fiction: Uranium is ubiquitous in nature
and we are exposed daily. There is no
cause for concern.
http://www.umrc.net/factsAndFictions.asp
|
Fact: Uranium is
present in nature in trace amounts, about 3 parts
per million (ppm) by weight. It takes about 5
tonnes of dry soil or rock to produce 1 teaspoon
of what is called natural uranium. It is natural
in that is has the isotopic proportions that
exist in nature. However, what is unnatural is
when uranium is presented in concentrated
quantities. In these concentrations of
radioactivity its effect on human health and the
environment become dangerous.
When Uranium is exposed to the
natural chemical action of the environment it can
become solublized and can then migrate into the
water supply. Uncontained uranium waste is a
problem when left in the open as it oxidizes.
This is the case all over the world in nuclear
waste repositories.
URANIUM IS MOST DANGEROUS WHEN
IT BURNS AND IS AEROSOLISED AS HAPPENS WHEN IT IS
USED IN WEAPONS.
Fiction: DU is depleted in the
amount of U235 and is therefore less radioactive
than the uranium in our natural environment.
Fact: The term Depleted uranium
is a misnomer. DU is depleted only in the
isotopes U234 and U235 which constitute less that
1% of the total uranium. The fact is that both
depleted uranium and natural Uranium are over 99%
composed of Uranium 238. Depleted uranium is
almost as highly concentrated as pure uranium and
may contain plutonium in trace amounts.
http://www.umrc.net/factsAndFictions.asp
******************************************************************
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