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originally posted by: PublicOpinion
a reply to: Phage
Excellent! A few breadcrumbs next to big holes are only helpful to conclude that a meltdown took place. But it's no evidence with regards to the containment-breach. We're still missing a lot of material (the fuel rods) and are probably just looking at the remaining parts of the breached pressure vessel. Are we not?
Parts of that would have been cooler that the melting fuel-rods, which explains why they didn't burn through the steel grid as well. Does that explain why I wouldn't call a few chunks of 'black goo' evidence?
YMMV, thanks for the help to clarify that though. Didn't mean to change a thing, we're just talking. What's your opinion on this, why do you think it's evidence?
On Thursday, February 2, 2017, Tepco posted images recorded inside the thick steel-reinforced concrete pedestal that supports the reactor pressure vessel (RPV) of Fukushima Daiichi unit #2. A company spokesperson explained what the images visually indicated, and mentioned that radiation had caused “flickers” in the pictures which were used to estimate the possible radiation levels inside the pedestal. No pictures or video had ever been taken inside an F. Daiichi RPV pedestal before. The spokesperson said an estimated radiation level of 530 Sieverts per hour was located immediately inside the pipe used to insert the video recording device. Two deeper locations were estimated at 20 and 50 Sv/hr, respectively. Only the 530 Sv/hr report resonated with the Press.
The 530 Sv/hr announcement sparked a news media feeding frenzy with the Japanese Press, some international Press outlets, and the antinuclear internet demographic. The Asahi Shimbun exemplified the typical Japanese Press article by showing images provided by Tepco and mentioning the three radiation estimates inside the pedestal. But one Japanese outlet, the Japan Times, said the “blazing” radiation spurring outlets around the world to report that radiation levels at F. Daiichi were climbing… soaring to new heights. Yet, no such thing was happening.
So the radiation would be dangerous [if] (my correction) you climbed into the damaged Fukushima reactor and got deep into the containment vessels by following the robots and got very close to the damaged fuel rods.
originally posted by: neutronflux
a reply to: roadgravel
The bottom of what? The most outer containment? The reactor compartment? Or the reactor vessel? If the containment disgn had cracks in the concrete before the accident, there was never containment to begin with.
originally posted by: SkepticOverlord
Sincere apologies. Real life often gets in the way of seeing urgent issues such as this. It's always best to send a private message, rather than presume complete SkepticOverlord situational awareness.
The enormity of the thread was causing performance issues at the time, that's the reason for the solution that was in place. It's now been removed.
Again, sorry I didn't see this sooner.
Global fallout of nuclear weapon tests — 2,566,087x10^15Bq
1986 Chernobyl disaster total release — 12,060x10^15Bq
2011 Fukushima Daiichi nuclear disaster, estimated total aerial release — 11,346x10^15Bq
Fukishima Daiichi nuclear plant cooling water dumped (leaked) to the sea — TEPCO estimate 4.7x10^15Bq,
Japanese Nuclear Safety Commission estimate 15x10^15Bq
French Nuclear Safety Committee estimate 27x10^15Bq
Naturally occurring Potassium 40 in all oceans — 14,000,000x10^15Bq.
One container (net 400kg) of vitrified high-level radioactive waste has an average radioactivity of 4x10^15Bq (Max 45x10^15Bq
Together, they (INTENTIONALLY)* dumped a total of 85,100 TBq (85.1x10^15Bq) of radioactive waste at over 100 ocean sites, as measured in initial radioactivity at the time of dump.
originally posted by: LogicalGraphitti
So this is much worse than we knew. What does it mean for the west coast of North America? This isn't just a problem for Asia. This is serious folks!
Meanwhile, people are protesting because they got their feelings hurt over the election. Goes to show how misguided we can be in this country. Maybe if we blame Fukushima on Trump, it will get completely undivided attention.
As it happens, buried within Fukushima’s complexities the pubic encounters an enigma, as expressed by Dr. Baverstock, “I’m really appalled at the way the international system has failed… Quite frankly, we don’t get anything through the media… There is no general understanding of the situation here in Europe, because the media are not putting this view forward. In fact, I think many people would be very surprised that it was still a matter for discussion. They would be even more surprised to learn that it’s still an ongoing accident, and that it hasn’t terminated yet… and they would be more surprised to learn that nobody knows how to stop it.”