Here you go (and AP, and Washington Post, and...).
From TEPCO's December 6 press release page:
150 liters of this radioactive strontium-rich water leaked into the ocean from the evaporative condensation apparatus (part of the contaminated water treatment system), via the regular drains.
Density:
Strontium-89: 74,000 becquerels/cubic centimeter
Strontium-90: 100,000 becquerels/cubic centimeter
Total amount of radioactive materials (including cesium) that leaked into the ocean this time: 26,000,000,000 becquerels, or 26 billion becquerels.
TEPCO says it is 12% of "annual discharge target control of radioactive liquid waste" at Fukushima I Nuclear Power Plant. That's one way of putting it. Another way is that it is only a fraction of what has already been discharged, to the tune of between 4,700 terabecquerels (TEPCO estimate so far, though the company was to recalculate by the end of November; did it?) and 27,100 terabecquerels (France's IRSN estimate), and these numbers do not include strontium.
In the press release appendix below, the numbers in ( ) is the total amount of these radionuclides that flowed into the ocean.
For my previous post on this topic, go here and here (more pics).
By the way, the numbers for strontium and other beta nuclides in the contaminated/treated water were released on November 18 by TEPCO. The mention of radioactive strontium was made during the press conference on December 4.
(I guess foreign news correspondents do not attend TEPCO/government press conference any more.)
TEPCO's pic of the big puddle, taken on December 4. See the regular drain to the left:
30-Day free trial by following the link.
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4 comments:
The amount of water leaked to the outside started out as 175 tons. 220 tons minus 45 tons that stayed in the building. This number disappeared later.
http://www.asahi.com/national/update/1204/TKY201112040241.html
Lena
Hi, I've been following your Fukushima posts and wondered if you'd seen this: http://www.llrc.org/fukucitizenepidemiology.htm#tondel
The official statements about any level of radiation not causing health effects is so dishonest that I suspect Busby is justified in thinking that studies will be tampered with and so just as citizen radiation monitoring has become so important, citizen epidemiology should also be organized. Cheers
I don't see anybody worried about the cleanup.
Mopping up the water is one thing. Dealing with the contaminated concrete in the process building? How's that going to happen?
Looking at the photos carefully, it seems not very plausible that this intensive wetting of the concrete could have been caused by 150 liters overflowing.
It was definitely was a big spill.
I suppose these mysterious "150 liters" are just the amount they found outside that still had not flowed down into the ocean thru the gutter.
So the situation could be even worse than originally been reported.
Then the puddle still remaining in the building resembles a whopping 120 curies (4.5 terabecquerels) and the water that already landed in the ocean being near 500 curies (near 20 terabecquerels).
So I understand that Tepco desperately tries to make people talk about 150 liters instead of 175 cubic meters of extremely radioactive water.
This sandbagging etc is pure show to make them look that they "do care about".
And, the most important question is:
why could this happen?
In every industrial building dealing with big quantities of hazardous liquid unattended there are surveillance instruments, cameras and spill detectors.
So the question better has to be asked this way: why was there apparently no such continuous surveillance?
Possibly the question even should be: why was no surveillance instrumentation built into this process building?
Could be the answer that Tepco anticipated, even provoked this eventual spill to happen and relieve them from the costly long-term storage and processing of that unwanted waste water?
This would be criminal behavior, but such we are accustomed from Tepco.
(Thx to Lena for the link, and ex-skf in general!)
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