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Holy shite... Leaked TEPCO report: 120 billion Becquerels of plutonium, 7.6 trillion Becquerels of neptunium released in first 100 hours

 
Anonymous Coward
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11/26/2012 10:47 PM
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Re: Holy shite... Leaked TEPCO report: 120 billion Becquerels of plutonium, 7.6 trillion Becquerels of neptunium released in first 100 hours
I agree...
Anonymous Coward
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02/25/2013 02:32 AM
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Re: Holy shite... Leaked TEPCO report: 120 billion Becquerels of plutonium, 7.6 trillion Becquerels of neptunium released in first 100 hours
WOW
UrSprache

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02/25/2013 02:47 AM
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Re: Holy shite... Leaked TEPCO report: 120 billion Becquerels of plutonium, 7.6 trillion Becquerels of neptunium released in first 100 hours
I'm so glad you keep on this stuff!

I'm having a a lot of trouble understanding what a bequerel represents. It seems to be both a decay measurement and a weight.

I think all the terms are deliberately confusing, both in amount of words meaning almost the same thing and definition.

Wiki says it replaced the curie, which was measuring 1 gram of radium-226.

Is 120 billion bequerals the same as 120b grams?

I'd appreciate any tips on how give this context.

Thanks!
Anonymous Coward
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04/14/2013 12:11 AM
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Re: Holy shite... Leaked TEPCO report: 120 billion Becquerels of plutonium, 7.6 trillion Becquerels of neptunium released in first 100 hours
I'm so glad you keep on this stuff!

I'm having a a lot of trouble understanding what a bequerel represents. It seems to be both a decay measurement and a weight.

I think all the terms are deliberately confusing, both in amount of words meaning almost the same thing and definition.

Wiki says it replaced the curie, which was measuring 1 gram of radium-226.

Is 120 billion bequerals the same as 120b grams?

I'd appreciate any tips on how give this context.

Thanks!
 Quoting: UrSprache


I can't help....
Mr 729

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04/14/2013 12:37 AM
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Re: Holy shite... Leaked TEPCO report: 120 billion Becquerels of plutonium, 7.6 trillion Becquerels of neptunium released in first 100 hours
biblical.
Anonymous Coward
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04/14/2013 12:49 AM
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Re: Holy shite... Leaked TEPCO report: 120 billion Becquerels of plutonium, 7.6 trillion Becquerels of neptunium released in first 100 hours
Watch the units, people. 120 billion becquerels is only 3.2 curies Pu(i.e., not nearly as much as you think).
Anonymous Coward
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04/14/2013 12:52 AM
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Re: Holy shite... Leaked TEPCO report: 120 billion Becquerels of plutonium, 7.6 trillion Becquerels of neptunium released in first 100 hours
By reference, a single cooled spent fuel rod has 20-30 thousand curies of residual radioactivity over all radionuclides. However, Plutonium does have a higher carcinogenic slope factor because it is an alpha emitter that lodges in the lungs and has a long half-life.
Anonymous Coward
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04/14/2013 01:11 AM
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Re: Holy shite... Leaked TEPCO report: 120 billion Becquerels of plutonium, 7.6 trillion Becquerels of neptunium released in first 100 hours
In answer to the question, see Wikipedia:

The Curie (symbol Ci) is a non-SI unit of radioactivity, named after Marie and Pierre Curie.[1][2] It is defined as
1 Ci = 3.7 × 1010 decays per second.
While its continued use is discouraged by NIST[3] and other bodies, the curie is widely used throughout the US government and industry.

One Curie is roughly the activity of 1 gram of the radium isotope 226Ra, a substance studied by the Curies.

The SI derived unit of radioactivity is the becquerel (Bq), which equates to one decay per second. Therefore:
1 Ci = 3.7 × 1010 Bq = 37 GBq
and
1 Bq ≅ 2.703 × 10−11 Ci

[link to en.wikipedia.org]

So, at 120 billion becquerels, we're only taking from the report - equivalent of 3.2 grams of Ra-226.

Hysteria. That said, I wouldn't bet that Tepco's numbers are conservative.

s226
Anonymous Coward
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04/14/2013 01:45 AM
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Re: Holy shite... Leaked TEPCO report: 120 billion Becquerels of plutonium, 7.6 trillion Becquerels of neptunium released in first 100 hours
1* for pushing hysteria and "holy shite" when there really is no cause...


To put this crazy number into prospective.

Every banana has about 1.5becquerels each. From radioactive potassium (look up banana equivalent dose.)

In 2005 alone the total US imports for Bananas was 33,796 million tons.

Or 74507432148800 pounds of bananas.

Assuming each banana is on average 0.33lbs each - you can say that is approximately 223,500,000,000,000 becquerels imported every year just from bananas.


That's right - every year the US IMPORTS 223 TRILLION becquerels - in bananas alone - not to mention all the nuts, fruit, smoke detectors and other products that contain low sources of radioactive substances that are imported every year.

ZOMG over 223 trillion becquerels!


It really does well to put things into prospective doesn't it?


Am I trying to downplay the seriousness of Fuku? No.
I'm just trying to prevent the irrational panic of people seeing a big number and a term they don't know or understand.
Anonymous Coward
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04/14/2013 01:48 AM
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Re: Holy shite... Leaked TEPCO report: 120 billion Becquerels of plutonium, 7.6 trillion Becquerels of neptunium released in first 100 hours
Actually my calculations could be off. We may actually import 15 TIMES MORE than what I orig thought. One source says 1.5 bq per banana another says 15 bq per banana. Either way - it's clearly way more than fuku... per year.
Anonymous Coward
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04/14/2013 02:02 AM
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Re: Holy shite... Leaked TEPCO report: 120 billion Becquerels of plutonium, 7.6 trillion Becquerels of neptunium released in first 100 hours
Yeah - the 1.5 is exposure from eating. 15 is for total becquerels contained.

Imports are 2,235 TRILLION becquerels from just bananas.
Anonymous Coward
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04/14/2013 03:23 AM
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Re: Holy shite... Leaked TEPCO report: 120 billion Becquerels of plutonium, 7.6 trillion Becquerels of neptunium released in first 100 hours
This domain fukushima-diary leads back to extreme leftists.


[link to who.godaddy.com]

Registrant:
Edward Boyce
81 Haynes Hill Road
Wales, Massachusetts 01080
United States
edboyce@bu.edu

[link to www.efs.cpf.state.ma.us]

Year-end Report (ND)
Monica Palacios-Boyce (14278)
10/16/04 - 12/31/04
House 1st Hampden
81 Haynes Hill Road Wales MA 01081
Palacios-Boyce Committee

[link to en.wikipedia.org]
 Quoting: Anonymous Coward 2724990


The same ones that want to enforce China's One-child policy on every one?
Anonymous Coward
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07/27/2013 10:13 PM
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Re: Holy shite... Leaked TEPCO report: 120 billion Becquerels of plutonium, 7.6 trillion Becquerels of neptunium released in first 100 hours
bump
Anonymous Coward
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09/21/2013 02:27 PM
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Re: Holy shite... Leaked TEPCO report: 120 billion Becquerels of plutonium, 7.6 trillion Becquerels of neptunium released in first 100 hours
TRuly nuts!

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