"Extremely dangerous" is an exaggeration.
It's relatively dangerous.
There are more and less dangerous things in nature.
Alpha radiation isn't hard to stop, for one thing and exposure time
spans, distance and concentration all play a role....compared to what other
sources of radiation may be around... and there are many.
Soil borne Radon Gas accumulation in a sealed house is many times more
dangerous than *eating* a DU round.
Living in a granite building is far more dangerous than a DU ammo dump next
door.
If a DU round penetrates your tank, it's not too likely you'll live long
enough for breathing the vapors to be a problem....living long enough to
take that breath is the major concern.
DU dust is extremely heavy and doesn't tend to blow far in the wind. It
does tend to shift downwards through sand like gold dust does, to be
shielded by the sand. [which, in some cases, is more radioactive than the
DU residue]
Some Uranium compounds are soluble in water which is a concern for a
while, but that property also tends to de-concentrate it to emission levels
swamped out by natural background radiation.
There is not a day goes by that people don't consume some fine Uranium
dust....and not "depleted" Uranium either.
It the full Monty *with* the much more radioactive U235.
Context:
The total mass of depleted uranium dispersed over Kosovo was at most 25
tons. The radioactivity of one round was about 10 megabecquerels (MBq).
Assuming that 30,000 rounds were fired, about 300,000 MBq of uranium-238
activity were dispersed in Kosovo's environment (10,887 square kilometers).
Yet, the natural uranium-238 in a one-centimeter layer of Kosovo soil emits
about 100,000,000 MBq. Thus, the surface layer of soil in Kosovo contains
about 300 times more natural uranium than was dispersed there by NATO weaponry.
[If a DU round were buried in even just a little in Kosovo soil, a Geiger
counter would not be able to find it ]
Depleted uranium emits only extremely low levels of gamma radiation and low
levels of alpha and beta particles that are easily blocked by skin and
clothing.
Passengers on a long airline flight are exposed to more radiation risk than
soldiers hypothetically enclosed for one year in a tank surrounded by armor
and shells with depleted uranium. [High altitudes remove one from a thick
cosmic radiation shielding layer of air]
[We live in a literal sea of radiation, U238 a very minor portion of it.]
Ode
At 10:18 AM 11/5/2007 -0500, you wrote:
Faith Saint Francis wrote:
Hey CarlDeb!
That was quick .. thank you ..
and .. this stuff keeps on going extremely dangerous for eons - right?
It is toxic like lead and mercury. It is slightly radioactive with a half
life of 4.568X10^9 years. So in a little over four and a half billion
years, it will decay to half the amount there initially.It decays by alpha
emission with an average energy of 4.194 MeV. It also emits gammas with
an average energy of 1.30 Kev. It has a slew of daughters that decay
fairly rapidly.
and it deminishes by half every so much time?
Yes, about every 4.6 billion years.
Marshall
and the 'leaders' keep doing as they find pleasant-and-'necessary'?
Good book to read on this asunto is
"Nuclear -/gosh forgot the second word //now // it is somethig like
annihalation-eradication -? by Walter Russell;
although it was published as long ago as during the cold war,
it gives good insights in the basics of nuclear (and other) energy,
AND
in the innocent/ignorant toddler-human, playing with the sharp razor
which nuclear energy really is -- i.e. of which he DOES NOT UNDERSTAND
the annihaliting dangers.
Just observe closely the TRUTH, obscured by the (Russian) news-media and
the things that really happened -and still are happening- with the health
of the people in the areas around Chernobyl (and even as far as Moscou
and farther out in Russia and even in leaning-to Finland); the rate of
thyroid cancer in innocent children, the misformings of animals and
plants in the region - and then do notice what the government did or
rather did not do about this whole affair.
*Furthermore it is a good thing to know that EVERY ATOM BOMB has its
effects on all of us earth-dwellers.*
It may last some, but in time we are all breathing radiation polluted
air, and walking in radiation saturated rain.
We'd better wake up fast and start learning what to do about this silent
killer; your -and our- governments are NOT going to do it for us.
(Walter Rusell was a universal genius, a specialst on Lipizaner horses, a
leading artist (busts of Roosevelt before, and after Pearl Harbor, and
one of Mark Twain - see 'The man who sapped the secrets of the Universe)
who set up amongst other things an alternative University - seeing that
things also in higher education went awry, as long as half a decade ago.
Walter Russel is amply described in your browser.)
FaithStFrancis
Medellin,
Colombia
------------------------------------------------------------------------
From: carl...@charter.net
To: silver-list@eskimo.com
Subject: Re: CS>Nuclear/cancer: What is DU?
Date: Fri, 2 Nov 2007 16:56:44 -0500
It means Depleted Uranium = DU
----- Original Message -----
*From:* Faith Saint Francis <mailto:fesanfranci...@hotmail.com>
*To:* silver-list@eskimo.com <mailto:silver-list@eskimo.com>
*Sent:* Friday, November 02, 2007 4:46 PM
*Subject:* CS>Nuclear/cancer: What is DU?
Greetings, my CS Friends, from wet and rainy Colombia.
As health-care workers more and more involved in the
prevention of and the fight against cancer,
Luz and I are very much interested the nuclear/cancer thread.
Well, we have been on the topic of abbreviations before as I
remember, and now I have this abbreviation
wich I do not know: DU
Can you please explain to us what DU means?
Thanks in advance,
Luz y Leo
Medellin,
Colombia
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