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post #281 of 2836
I think there's also different methods of assigning magnitudes. Yes, there's Richter but there are others (and according to wikipedia, the moment has superseded the Richter):

http://en.wikipedia.org/wiki/Richter_magnitude_scale
http://en.wikipedia.org/wiki/Moment_magnitude_scale
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post #282 of 2836
Thread Starter 
Quote:
Originally Posted by Lazloisdavrock View Post
Japanese Gov. distributes Potassium iodine tablets. per CNN
Precautionary measure. If radioactive material has leaked out of the facility its likely to be Iodine-131 and Cesium-137. Taking the Potassium Iodine will saturate your thyroid gland and keep it from trying to absorb the Iodine-131.
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post #283 of 2836
Quote:
Originally Posted by Lampen View Post
It's not misinformation.



Source: http://online.wsj.com/article/BT-CO-...11-713517.html

I've actually been wondering why the news agencies have been reporting 8.9 when USGS and other organizations have stated it was a 9.1.
Link? http://www.staradvertiser.com/news/b...ake_to_91.html

how official is this?
post #284 of 2836
This unit was 14 days away from being driven down for good. I could guess that it has not been modernized for a while now.

Quote:
Originally Posted by qwertymac93 View Post
hmm, I'm not too worried, just because the containment was destroyed, doesn't mean the plant is 10 minutes to melt down. also, i think the "maximum allowed radiation" is a bit lower then what a full grown adult can really handle, small children might have problems though, IF the levels they are quoting actually reach us, that is...
1 mSv/h (the latest report says it's down to 70 mSv/h. Background radiation meters are offline so these are hand metered somewhere.) is nothing that a healthy adult human can't stand, but everything counts.
When parts of your DNA breaks, sometimes it doesn't get fixed right and it causes a mutation in your DNA. But that doesn't mean you will die in cancer.


Dosage of 50 mSv / year is pretty common for a class A radiation worker around the world. Some plants doesn't allow you to get more then 15 mSv / year, which is good and archievable (again, some plants).
ALARA is for human, from humans.




Quote:
Originally Posted by i_hax View Post
IIRC Banana's contain a lot of potassium, some of which is a naturally occuring radioactive isotope.
Radioactive decay in a banana is far away from what got released from that unit today.


They still might use sea water with added boron (to keep the fuel under critical and prevent radiation) as a coolant. Clean water just became a luxury in Japan.
Prevent melting is the primary misison, but this adds secondary problems.


Venting pressure from the containment means that some contamination do appear outside the plant. Iodine 131 isotope has a half time of 8 days, but cesium 137 has 30 years half time. Some can be filtered before releasing.


There seems to be high pressure in the containment of Fukushima I - 1, 2 and 3. It's not over yet.
post #285 of 2836
I'm not sure if the public should be made aware of everything that is going on there, they might just panic and make the situation harder for people to control.
Although on the other side of things, knowing what is going on around you is good...
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post #286 of 2836
*gulp*
post #287 of 2836
Quote:
There seems to be high pressure in the containment of Fukushima I - 1, 2 and 3. It's not over yet.
You think there could be another explosion?
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post #288 of 2836
I am listening to BBC Radio 5 Live and they just said a 2nd reactor is at risk of explosion. It's not over.
post #289 of 2836
this is not good
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post #290 of 2836
Thread Starter 
I heard it in passing on Al-Jazeera, BBC and CNN. Trying to find it in writing. I'm wondering if they are repeating from what the heard someone else say because I can't find it. I think someone from USGS might have been hinting at an upgraded rating and the news agencies ran with it.
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