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Wednesday, October 31, 2012

Simi Valley 240 Times 3-Mile Island Radiation Fallout

In 1959 a little known Nuclear Disaster only 30 Miles from Downtown Los Angeles began to unfold at an important Cold War facility located in Simi Valley. Simi Valley is an incorporated city located in a valley of the same name in the southeast corner of Ventura County, California, bordering the San Fernando Valley of Los Angeles in the Greater Los Angeles Area.

A 2.800 acres large Nuclear Site was built in the hills of Simi Valley a town of 8000 (back in the 50's. Current population 124,237 in 2010) The complex built there Santa Susana Field Laboratory (SSFL) is also an complex of industrial research and development facilities.

Watch 8 min Video about the Simi Valley Nuclear Disaster

Several Experimental Nuclear Reactors have been tested at this facility that the Atomic Energy Commission hoped could become commercially viable. One of the reactors at Simi Valley used Sodium instead of Water as a coolant of the Nuclear Reactor Fuel. It was known as the Sodium Reactor Experiment (SRE). But the experiment went horrible wrong, triggering an technological nightmare putting Nuclear Disasters like 3-Mile Island to shame. What happened at Simi Valley turned out to become the worst nuclear disaster in U.S. history. With amounts of radiation leaked to the environment and atomosphere more than 240 times that of the accident at 3-Mile Island. But none was told about this.

5 weeks after the Nuclear Disaster the Atomic Energy Commission released an press release claiming that only 1 Nuclear Fuel Rod had been slightly damaged and NO Radiation had been released into the environment. However that is far, far from the truth.. The Atomic Energy Commission was trying to cover up the fact that 13 Fuel Rods had been damaged and High Levels of Radiation had already been released from the failed experimental nuclear reactor. 1/3 of the Nuclear Fuel had experienced melting, it was one of the worst Nuclear Accidents in the history of the U.S and the Atomic Energy Commission lied about it.

All this would have never been disclosed at all if it was not for Daniel Hirsch's student Michael Rose. The SSFL facility has had some 24 nuclear accidents over the years. These accidents go by the name "excursions" to hide the seriousness of the situations from the common public. There have been several non-nuclear accidents at the site as well. A most recent one (that are known to the public) occurred in 1994 when one scientist was killed an another was seriously injured while trying to (illegally) dispose of chemicals by burning them..

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The ongoing contamination of our oceans by Fukushima
at 3:20 PM 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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