ScribbleLive

And this one may be the one you're looking for? It has lots of bubbles coming up from down within the pool, and small pieces of debris floating around and it looks like a much more active process going on in there than the most recent video. Some of the fuel and containers and spacers here look rather ragged and possibly may show evidence of fuel slump within the containers. Doesn't look as 'together' as the last almost serene looking video. I wondered if it is the #4, might they have taken the video right after a cooling spray, which might ease off the boiling for awhile?

Serious thought experiment: If the rapture did happen and 144,000 people disappeared at one time all around the earth, would we be able to piece it together or would we never know until the end?

@hudebnik, did you get the sampling one, that has the bubbling boiling surface? www.youtube.com

@mart - still looking for the sampling bubbling boiling one

Just had a big pink moment on the TBS

@bojack54 - exactly the same time as the 2 previous days. Any flashes?

Some sort of filter on the camera lens, apparently.

@bojack54 - did you see the actual moment when the picture changed?

Yeah, notice the rising bubbles from the U4 SFP www.youtube.com Anyone heard what that means and entails?

Morning @dean!

TEPCO:Quake caused no major damage to reactors

Tokyo Electric Power Company has found from its data that the March 11th earthquake caused no safety abnormalities at the reactors at the Fukushima Daiichi nuclear plant until the tsunami came.

The plant operator is expected to submit its analysis of data following the quake in a report to the government on Monday.

TEPCO's data was intact from the time the quake hit until the tsunami arrived and destroyed all power sources. But afterward, data was only gathered at times when batteries and other power sources were used.

TEPCO undertook its analysis using the available data and interviews with plant workers.

The plant operator concluded the quake caused no major damage to the main piping and other parts of the reactors. TEPCO found no safety abnormalities at any of the reactors until the tsunami hit.

At the No.1 reactor, where a meltdown is suspected, workers may have manually shut down the reactor's emergency cooling system immediately after the quake. It is said that the operation subsequently caused problems for cooling the reactor.

TEPCO has gone through a manual on the operation of the reactor cooling system and investigated why it took nearly 3 hours to restore the system. The findings are expected to be included in the report.

Monday, May 23, 2011 08:15 +0900 (JST)
www3.nhk.or.jp

TEPCO didn't follow Fukushima emergency manual

NHK has learned it is highly likely that the operator of the Fukushima Daiichi nuclear power plant did not follow the procedures to prevent a hydrogen explosion.

NHK obtained the manual for the No.1 reactor, where the hydrogen blast occurred on March 12th, one day after the tsunami destroyed the reactor's cooling system.

A failure of the cooling system causes the pressure inside the reactor's container vessel to rise and generates the risk of a hydrogen explosion.

The manual calls for releasing air from the vessel when the pressure is projected to rise to 853 kilopascals -- double the operating limit.

A venting operation is necessary to prevent the vessel from being damaged, which could lead to the leakage of a large amount of radioactive substances.

The manual NHK has obtained shows that the pressure inside the vessel was close to the level that requires a venting operation 13 hours before the explosion occurred.

But the plant operator, Tokyo Electric Power Company, did not start the operation until 6 and a half hours before the explosion, and the operation was carried out just one and a half hours before the blast because it was hampered by high-level radioactivity.

A former nuclear plant engineer, Masashi Goto, says the utility should have released air when the pressure rose close to twice the operating limit.

Goto says if the company had done this, the amount of hydrogen leaked from the reactor core to the container vessel would have been smaller, reducing the risk of an explosion.

Tokyo Electric declined to comment, saying it is evaluating its decision to release the air.

Sunday, May 22, 2011 23:18 +0900 (JST)
www3.nhk.or.jp