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Friday, August 5, 2011

Arnie Gundersen 10+ Sievert Radiation Levels at Fukushima

This video is from Aug. 4 2011

Mr. Gundersen Fairwinds.com is talking on Skype Video about the extreme radiation levels 10+ Sieverts/Hr or 10.000 Millisieverts/Hr found OUTSIDE at the Fukushima Daiichi Nuclear Power Plant. Gundersen say he use Rem to measure radiation Rem (Roentgen Equivalent Mammal/Man; 1 rem=0.01 Sv). This means the Roentgen radiation exposure measured outside the Fukushima Daiichi plant is 1000 rems. Well actually the radiation levels went off the scale so we can only say for sure that there are 1000+ rems found.

The disturbing thing about this is the extreme radiation level was found in a stack used to vent hot gases from the reactor into the air. The hot gases containing radiation condensed going up the pipe turning back into water and over time collected at the bottom. This means the extreme radiation levels found are only the tip of the iceberg. They have been venting this into the air for at least 140 days already.

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This is the text from the video:

TEPCO has discovered locations on the Fukushima plant site with lethal levels of external gamma radiation. Fairewinds takes a close look at how this radiation might have been deposited and how similar radioactive material would have been released offsite.

Japanese Air to be at Least 300 times Worse than Chernobyl (Chris Busby)1/5 
https://www.youtube.com/watch?v=42CMvo4AA30

Fukushima Detects Highest Level of Radiation YET !!! 8/1/11 YIKES! 
https://www.youtube.com/watch?v=7YJEozxHO3o&feature=mfu_in_order&list=UL
Highest radioactivity level detected at nuke plant

The operator of the Fukushima Daiichi nuclear power plant says it has detected 10,000 millisieverts of radioactivity per hour at the plant. The level is the highest detected there since the nuclear accident in March.

Workers of Tokyo Electric Power Company, or TEPCO, on Monday measured the extremely high level of radioactivity near pipes at the bottom of a duct between the No.1 and neighboring No.2 reactor buildings.

According to the science ministry's brochure, if a human received 10,000 millisieverts, they would likely die within a week or two.

TEPCO has restricted access to the site and the surrounding area.

The utility says the workers taking measurements on Monday were exposed to up to 4 millisieverts.

The utility says the high level of radioactivity was detected because the pipes were used to vent air containing radioactive substances from the crippled No.1 reactor on March 12th.

The utility had detected a maximum of 1,000 millisieverts per hour outdoors in debris, and also found a maximum of 4,000 millisieverts per hour indoors in one of the reactor buildings.

Tuesday, August 02, 2011 06:33 +0900 (JST)


*Note: Single radiation dose of 2,000 millisieverts (200,000 millirems) and above causes serious illness. See also exposure list below.
Half-life of some radioactive elements


[NOTE: Half-life is the time taken for a radioactive substance to decay by half.] * Cesium-134 ~ 2 years * Cesium-137 ~ 30 years * Iodine-131 ~ 8 days * Plutonium-239 ~ 24,200 years * Ruthenium-103 ~ 39 days [Ruthenium is a fission product of uranium-235.] * Ruthenium-106 ~ 374 days * Strontium-90 ~ 28.85 years [Strontium-90 is a product of nuclear fission and is found in large amounts in spent nuclear fuel and in radioactive waste from nuclear reactors.] * Uranium-234 ~ 246,000 years * Uranium-235 ~ 703.8 million years * Uranium-238 ~ 4.468 billion years
at 7:21 AM Posted by JD
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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.

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