It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Some features of ATS will be disabled while you continue to use an ad-blocker.
Originally posted by Purplechive
Tera stands for one trillion
At this level things kinda get inconceivable...what do you do with a trillion becquerels?
One Becquerel is defined as the activity of a quantity of radioactive material in which one nucleus decays per second. A trillion seconds is 31,688 years. And they have 720,000 terabecquerels?
TEPCO says contaminated water may overflow
Tokyo Electric Power Company says that, in a worst case scenario, highly radioactive water may overflow from the Fukushima Daiichi nuclear plant as early as June 20th.
The company is set to start operating filters for highly radioactive water from June 15th. However, it warns that if the filtering does not go to plan, highly radioactive water may overflow from a tunnel at the Number 2 reactor.
TEPCO says that by May 31st, 105,100 tons of waste water had accumulated. It contains an estimated 720,000 terabecquerels of radioactive substances. Tera stands for one trillion.
The utility plans to treat 1,200 tons of water per day at a storage facility and transfer the filtered water to temporary tanks. It says it has already set up tanks for 13,000 tons of filtered water and will increase storage capacity by 20,000 tons per month.
TEPCO officials say that in the event the filters don't work properly, the utility will complete an additional underground tank for highly contaminated water by mid-August.
The basements of the reactor buildings and turbine buildings are full of highly radioactive water. The amount is increasing by 500 tons a day due to ongoing injections of fresh water to cool the damaged reactors and fuel rods.
Friday, June 03, 2011 20:15 +0900 (JST)
Would appreciate some help from you folks putting this into perspective..."Happy Thoughts" are always welcomed!
- Purple Chive
"Exclusive Arnie Gundersen Interview: The Dangers of Fukushima Are Worse and Longer-lived Than We Think"
Gundersen thinks the melted fuel is at the bottom of Containment Vessels in Reactor 1 and 2; for Reactor 3, he thinks there may be some left in the Reactor Pressure Vessel, causing a local, on-and-off criticality:
Arnie Gundersen: Yes, once the uranium melts into a blob at these low enrichments, four and five percent, it can’t make a new criticality. If criticality is occurring on the site - and there might be, because there is still iodine 131, which is a good indication - it is not coming from the Unit 1 core and it's not coming from the Unit 2 core, because those are both blobs at the bottom of the containment.
Chris Martenson: All right, so we have these blobs, they’ve somehow escaped the primary reactor pressure vessel, which is that big steel thing and now they are on the relatively flat floor of the containment – they concrete piece – and you say Unit 2 is roughly the same story as Unit 1 – where’s Unit 3 in this story?
Arnie Gundersen: Unit 3 may not have melted through and that means that some of the fuel certainly is lying on the bottom, but it may not have melted through and some of the fuel may still look like fuel, although it is certainly brittle. And it's possible that when the fuel is in that configuration that you can get a re-criticality. It's also possible in any of the fuel pools, one, two, three, and four pools, that you could get a criticality, as well. So there’s been frequent enough high iodine indications to lead me to believe that either one of the four fuel pools or the Unit 3 reactor is in fact, every once in a while starting itself up and then it gets to a point where it gets so hot that it shuts itself down and it kind of cycles. It kind of breathes, if you will.
The Fukushima accident is worse than Chernobil, Gundersen says:
Arnie Gundersen: Well, this event is – I have said it's worse than Chernobyl and I’ll stand by that. There was an enormous amount of radiation given out in the first two to three weeks of the event. And add the wind and blowing in-land. This could be – it could very well have brought the nation of Japan to its knees, I mean there is so much contamination that luckily wound up in the Pacific Ocean as compared to across the nation of Japan. It could have cut Japan in half. But now the winds have turned, so they are heading to the south toward Tokyo and now my concern and my advice to friends that if there is a severe aftershock and the Unit 4 building collapses, leave. We are well beyond where any science has ever gone at that point and nuclear fuel lying on the ground and getting hot is not a condition that anyone has ever analyzed.
So the plants, you will see them steaming and as summer goes on, you will see them steaming less, because the air is warmer, but it's not because they are not steaming, you just don’t see it. Because this event occurred in March and it was cool there, so you will see the steam a lot easier. Those plants are still omitting a lot of radiation. Nowhere near as much as on the first two weeks, but a lot of radiation: cesium, strontium, and mainly cesium and strontium – those are going to head south, whether or not there is a tropical hurricane. The wind is going to push it south this time and so the issue is not the total radiation you might measure with a Geiger counter in your hand, but hot particles.
And TEPCO and the Japanese government can't just give up and pour concrete over the mess, because the cores are just too hot:
Chris Martenson: So talk about -- realistically – I mean this is going to be months, years, whatever, it's going to take a long time. What do they do at this point, are they going to entomb these things, are they required to just keep dumping water on these things until they finally cool down, capturing water all the way through? Or is there some way that they can maybe just throw up their hands and just pour a bunch of concrete on it and call it a day?
Arnie Gundersen: I think eventually they may get to the point of throwing up their hands and pouring the concrete on. They can’t do that yet, because the cores are still too hot. So we are going to see the dance we’re in for another year or so, until the cores cool down. At that point, there’s not anywhere near as much decay heat and you probably could consider filling them with concrete and just letting sit there, like we have it at Chernobyl, as a giant mausoleum. That would work for units 1, 2, and 3. Unit 4 is still a problem, because again all the fuel is at the top and you can’t put the concrete at the top because you will collapse the building and it's so radioactive, you can’t lift the nuclear fuel out. I used to do this as a living and Unit 4 has me stumped.
Originally posted by qmantoo
It is really beyond a witch hunt now because it affects all of us - the whole world. It could have been any country which had this accident as there are lots of countries with reactors near the sea and some near to fault zones too. We really need to get beyond finding a whipping boy and work together to sort this thing out - as far as it can be sorted out, anyway.
Originally posted by VisionsOfMann
reply to post by Purplechive
You just have to love Tepco. Here is a quote about the water filter plan..
"The company is set to start operating filters for highly radioactive water from June 15th. However, it warns that if the filtering does not go to plan, highly radioactive water may overflow from a tunnel at the Number 2 reactor."
Let's put this statement into reality speak!!
"We have this lame-brained idea. If this latest lame-brained idea fails as severly as our previous 189 lame-brained ideas, we'll dump highly radiated water into the ocean. Oh yes, we also hope that anyone reading this plan flunked basic math as severly as we did. We would rather you didn't figure out that treating 120,000 tons of water at 1,200 tons a day will take 100 days. Now modify that total by including the addition of 500 tons a day of newly radiated water. We also think we can build 1 tank of 10,000 storage a month, but this is a maybe. So a year from now we should have enough storage to contain all the water we now have on hand. This estimate does NOT include any new radiated water we are creating on a ongoing daily basis. But do not worry, the ocean is big, highly radiated water will dilute quickly. Besides, none of these situations is harmful to human health!"
And the IAEA gives them high ratings for the way they have handled this so far!!