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Japan Raises Nuclear Event Alert Level to 5

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FourScore Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Mar-14-11 02:17 PM
Original message
Japan Raises Nuclear Event Alert Level to 5


Japan Raises Nuclear Event Alert Level to 5

Jesus Diaz Japan Raises Nuclear Event Alert Level to 5Following the "highly likely" meltdown of the uranium rods at the Fukushima Daiichi nuclear power plantafter a drop in liquid levels caused by a lack of fuel in the water pumping machinesthe Japanese government has raised the nuclear alert level to 5: "Accident with wider consequences."

According to the International Nuclear and Radiological Event Scale, this means:

Impact on People and Environment

Limited release of radioactive material likely to require implementation of some planned countermeasures.
Several deaths from radiation.
Impact on Radiological Barriers and Control

Severe damage to reactor core.
Release of large quantities of radioactive material within an installation with a high probability of significant public exposure. This could arise from a major criticality accident or fire.


An example of this accident was the March 28, 1979 Three Mile Island in Harriburg, Philadelphia, where design and operation errors lead to partial exposure of nuclear fuel rods and partial meltdown. As a result, radioactive gases were released to the atmosphere...

http://gizmodo.com/#!5781818/japan-raises-nuclear-event...
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marions ghost Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Mar-14-11 02:25 PM
Response to Original message
1. makes ya wonder
how they define #6 -- "Serious Accident"
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gkhouston Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Mar-14-11 02:35 PM
Response to Reply #1
6. Me, I'm hoping they don't have to create an "8" to describe this. n/t
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TheMightyFavog Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Mar-14-11 02:36 PM
Response to Reply #1
7. Well Chernobyl was a level seven. Top of the scale.
There is one known level six incident. The Kyshtym disaster in the USSR in the 50s.

http://en.wikipedia.org/wiki/Kyshtym_disaster

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CJvR Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Mar-14-11 02:37 PM
Response to Reply #1
8. There has been one cat-6...
...the exploding liquid waste tanks at the Mayak plutonium factory south of Ekaterinburg.

http://en.wikipedia.org/wiki/Mayak
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suffragette Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Mar-14-11 02:26 PM
Response to Original message
2. Damn
I wonder if that is also because more radiation might have been released due to the recent explosion.


Can you correct the chart to show level 4 rather than two level 5's?
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CJvR Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Mar-14-11 02:30 PM
Response to Original message
3. Yeah...
...having huge explosions blowing the roofs off your reactors might indicate a slight problem.

Running out of fuel is just...
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TheMightyFavog Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Mar-14-11 02:32 PM
Response to Reply #3
4. That was just an outer building housing the containment shell, not the containment shell proper
The Conataiment shells are still holding.... for now...
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CJvR Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Mar-14-11 02:38 PM
Response to Reply #4
9. I know...
...it is still an indicator that there might be a slight problem.
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pinto Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Mar-14-11 02:33 PM
Response to Original message
5. Just a note on clarity, fwiw - The TMI Level 5 was in Category "Radiological Barriers and Control"
Edited on Mon Mar-14-11 02:33 PM by pinto
not "Impact on People and Environment".

IAEA's definition for "Barriers and Control" reads - covers events without any direct impact on people or the environment and only applies inside major facilities. It covers unplanned high radiation levels and spread of significant quantities of radioactive material confined within the installation.

http://www.iaea.org/Publications/Factsheets/English/ine...

I don't mean to minimize anything, but with the varying array of reports making the internet rounds, I feel it's important that info be as accurate as possible. The blogger in this instance just got it wrong. ~ pinto
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truedelphi Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Mar-14-11 08:12 PM
Response to Original message
10. Thank you for this information. Good to know. n/t


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nadinbrzezinski Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Mar-14-11 08:13 PM
Response to Original message
11. Roamer and me did that last night
:-) I hate to say this but it will reach six SOON
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