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dpack
Joined: 02 Jul 2005
Posts: 46211
Location: yes
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 Posted: Mon Dec 04, 23 4:06 pm Post subject: nuke |
 
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one
two
three is anecdote, one of my chemistry teachers worked at sellafield, throwing a 10 kg block of sodium, that had been forgotten in a lab cupboard, into one of the "ponds" was A rather exciting, and B gave him more than a lifetime dose allowance, and C which required a change of career, and D might have explained why he was known as itchy
there is a long history of such things
THORP  that one is quite tame as it is in a big box and can be left til later
the ponds are special, they will probably fail in a few years as the concrete is elderly, but it will need 100 yrs to empty the very random and dangeroos lumps out at the current rate
the stored stuff is monstrous dangeroos
PS my guess the emergency/under attack plan is along the lines of" better eat lunch now, not much else you can do in your last few minutes" |
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tahir
Joined: 28 Oct 2004
Posts: 45669
Location: Essex
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dpack
Joined: 02 Jul 2005
Posts: 46211
Location: yes
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| Posted: Tue Dec 05, 23 2:29 pm Post subject: |
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B30 is a mixed soup of liquid and solid horrors, anything hot and unwanted was thrown in during the early days, the records are absent
the swarf store is probably more predictable and perhaps can be dealt with fairly quickly
B30 might take 100 yrs to get the stuff out and contain it as well as poss
well they said 100yrs about ten yrs ago, when jim al kalili got a filming pass for the beeb, they also mentioned how "tricky" it was to do it as safely as poss
iirc what was needed was vast amounts of money for tech and a lot of luck
the assorted mistakes, corruptions and mismanagements, from tube alloys to decommissioning are a major problem in trying to contain this stuff
once things got sort of quango privatized, it has been even worse for cheapest rather than super quick and as safe as it is known how to do
a stark example of legacy issues from human activities
drigg is another set of unknowns, allegedly "low level" but a very mixed bunch of things and chemistries , from old wellies to "have you seen my flask of Pu No3 aq?"
not contained in any meaningful sense considering the geology and time scales
sellafield is probably bronze medal, russia gets silver and the yanks get gold for randomly nasty legacy sites dating back to the start of nukes
im not sure what others have done with their bits and pieces, the uk and others have dropped some of it overboard, quite a few sent hot used reactor stuff to sellafield where it still is , no idea what they did with "low and medium"stuff
iirc Sellafield is containing several hundred tons of Pu from the breeder program and other sources, oddly that is "safe" for the mo, ask me in several million years if it was safe, or after a couple of 20mgt ground bursts and an air burst to waft it about
the site has always been on the MAD targetting list for the obvious reasons
i will stop before i burn the internet[/url] ED it makes a bit more sense now |
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dpack
Joined: 02 Jul 2005
Posts: 46211
Location: yes
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