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Friday, November 4, 2011

☢ Sustained Nuclear Chain Reaction Possible At Fukushima Disaster Plant TEPCO Announced ☢

Time and time again we can read about how safe and under control the situation is at the Fukushima Daiichi Nuclear Power Plant. Cold shutdown is well underway and the tents are being made to cover the damaged reactor units. Evacuation zones have been opened allowing people back to their homes to live at areas that he now been made "safe" by the government.

All is well we read in the papers, nothing to worry about.. If anything breaking is found or occur at the Fukushima plant or if high radiation readings are measured around Tokyo, "experts" are quick to calm the public that.. Oh it's was just a few bottles of "glowing paint" used by a business making watches that had been left in the basement of an old building that gave the high readings.. With measurements being made 1 meter of the ground in the streets of Tokyo, sure a couple of bottles found in a nearby basement is of course the culprit. And discarding all other measurements of high measurements that are found around Tokyo by public and independent experts in the field. This we see time and time again, the governments and TEPCO's experts SPIN on what is reported.

On Wednesday Tokyo Electric Power Co. announced “There is the possibility that criticality, a sustained nuclear chain reaction, had occurred ‘temporarily’ and ‘locally’ in the No. 2 reactor.”

Lets watch how they spin this. Well it's widely know amongst the real experts that criticality is and have been going on for quite some time and that this TEPCO’s claim of  "spontaneous" fission is an very “improbable phenomenon”. Nuclear professors agree that it is strange that such a “rare” event was detected almost immediately after sampling began.

Yet "improbable phenomena" is something that TEPCO and the Japanese government have been throwing around to such an extent today in the media that some of us (yes me included) call most reports BS.

It is clear that things are not stable at all, you only need to look at some of the car air filter samples done by outside sources that show the extreme high radiation in the air around Fukushima and also found in Tokyo. With millions of people and children being exposed to these radioactive hot particles every day the situation is far, far from under control.
☢ Incredibly Radioactive Air Fukushima, Tokyo and Seattle Comparison Analysis Show ☢
On another note I read an interesting comment how this type disaster have actually never been encountered before "physicists do not understand fully what is going on at Fukushima because this is, in fact, unprecedented (Chernobyl was “contained” in days) and every time physicists have an opportunity to study matter in new environments (e.g., particle accelerators) they learn new and surprising things about how matter and energy behave." So with that comment we start to see what is taking place at Fukushima with the corium and chain reactions really has never been observed to this extent before.

For a better understaning about the Chernobyl disaster please watch this great documentary called The Battle of Chernobyl:
☢ The Battle of Chernobyl - Best Documentary of the Nuclear Disaster of Chernobyl ☢

Find out true reactor conditions
Friday, Nov. 4, 2011

Tokyo Electric Power Co. announced Wednesday that there is the possibility that criticality, a sustained nuclear chain reaction, had occurred "temporarily" and "locally" in the No. 2 reactor of the stricken Fukushima No. 1 nuclear power plant. It detected radioactive xenon-133 and xenon-135, products of uranium or plutonium fission, in gases collected Tuesday from the reactor.

Because the half life of xenon-133 is 5.25 days and that of xeon-135 is 9.14 hours, criticality is very likely to have occurred just before the gases were analyzed.

Although more than seven months have passed since the start of the nuclear fiasco, clearly the reactor has not yet been stabilized. Tepco's plan to achieve "cold shutdown" of the Nos. 1, 2 and 3 reactors by the end of this year may face difficulty.

The fact that Tepco cannot deny the possibility of criticality irrespective of its scale is a grave situation. The conditions are similar in the Nos. 1, 2 and 3 reactors. It is thought that nuclear fuel in them melted and has collected in the bottom of both the pressure and containment vessels.

Tepco should make serious efforts to accurately grasp the conditions of nuclear fuel inside the reactors.

Even after a reactor is shut down, nuclear fuel fissions occur bit by bit inside cladding tubes without reaching criticality. Experts concur that large-scale criticality will not occur in molten nuclear fuel. But Tepco and the Nuclear and Industrial Safety Agency should take a serious view of the fact that radioactive xenon pointing to criticality was detected from the No. 2 reactor. What happened in it can happen in the Nos. 1 and 3 reactors.

They should strictly watch the conditions of the three reactors and do their utmost to prevent occurrence of criticality. They should not forget the simple fact that a large amount of nuclear fuel exists in these reactors.

Tepco injected 10 tons of a solution containing 480 kg of boric acid into the No. 2 reactor shortly before 3 a.m. Wednesday to restrain nuclear fission. This inversely shows that it has not been injecting a boric acid solution into the reactors in continuously cooling them by circulating water. Its laxness should be criticized. It wasn't till after 7 a.m. Wednesday that NISA reported the criticality incident to Prime Minister Yoshihiko Noda. NISA clearly lacked the ability to make a correct judgment in this matter.

Read the story at Japan Times:

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Geiger Counters - Radiation Detection Meters - Handheld Radiation Detector

When it comes to radiation detection meters you really have a wide field of gadgets to choose from, however radiation detectors are the most common to use. First of all if you need to know what type of radiation you are looking for. There are Alpha, Beta and Gamma radiation detectors. And also there is neutron emission of nuclear radiation. And all these different types of emissions have radiation detectors for a specific type of radiation that you can buy radiation detector for. Some also measure both Alpha and Beta. Others detect Alpha, Beta and Gamma. While others let you measure Beta and Gamma radiation.

What most people have use for though are Dosimeters you can buy a handheld radiation detector pretty cheap that are good addition to a survival kit. There are different kinds that you can use that will detect radiation. There are radiation badges that will tell you when radiation become high. Workers at nuclear power plants use these to inform them of how much radiation they have been exposed to. Now also children in the Fukushima prefecture have each been given a radiation badge so they know if they are exposed to radiation. Some come in the shape of a pen that you can carry in your pocket while other are made more compact so that you can attach them to your keychain. And then you have what is called a personal radiation monitor. These are also called Dosimeters and also normally called Geiger counters. Although not all use the Geiger-Muller Tube for the radiation detection some use a semiconductor instead. These and mostly the older geiger counters seen are pretty big to carry around, so they might not be best suited for a survival situation where you only need to carry the most important things. However if you have land and want to check radiation around the property and drinking water then these are the geiger counters to get because they are very well built units.

These are the once that you normally see people use. They have different units of radiation detection, because when it comes to radiation there are many standards used. some give the measurements in Rads, while other use Sieverts. Some have the maximum radiation value for the measured radioactivity quite low but they will still give you an idea of the amount of radiation in the area. With the units ranging from between background radiation 0.001 mSv/hr all the way up to 10 Sv/h. Normally a dosimeter will measure radiation in micro siverts per hour. If you were to walk into one of the reactor units at the Fukushima Daiichi Nuclear Plant you probably would get an error reading from your dosimeter because the radiation levels are so high there.

Note that some places outside the exclusion zone in Fukushima that are too radioactive for people to live in have areas where the radiation levels are above 30 Sv/h. So if you are in a area that have high radiation the radiation detectors would also there go off the scale. However Geiger counters or radiation detectors are still favored as general purpose alpha/beta/gamma portable radiation detectors and radiation detection equipment, due to their low cost and robustness. Most come with an LCD Display that show you the radioactivity in the area. Nowdays you will even get alarm sound and the possibility to connect the device to a computer. Either with a Infrared, Bluetooth or USB connection.

So if you look at the radiation detectors for sale that have this, then these radiation detection meters will allow you to make maps of contaminated areas that show where the radiation is high and low. This also will help you to see which areas are becoming more contaminated over time. With several nuclear reactors in the US and around the world located near fault zones that makes it a danger if a big earthquake would hit the area there is always a good choice to have a radiation dosimeter avaliable. I'm sure many in Fukushima would have been grateful to have dosimeters avaliable at the time of the disaster and I am sure you to would be grateful to have a geiger counter handy when you need one.