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What is the role of potassium iodide in radiological emergency preparedness?
Potassium iodide is a special kind of protective measure in that it offers very specialized protection. Potassium iodide protects the thyroid gland against internal uptake of radioiodines that may be released in the unlikely event of a nuclear reactor accident.
The purpose of radiological emergency preparedness is to protect people from the effects of radiation exposure after an accident at a nuclear power plant. Evacuation is the most effective protective measure in the event of a radiological emergency because it protects the whole body (including the thyroid gland and other organs) from all radionuclides and all exposure pathways. Administering KI can be a reasonable, prudent, and inexpensive supplement to in-place sheltering and evacuation.
Why does the rule require States to consider the use of potassium iodide instead of mandating its use?
The NRC will not require use of potassium iodide by the general public because the NRC believes that current emergency planning and protective measures--evacuation and sheltering--are adequate and protective of public health and safety. However, the NRC recognizes the supplemental value of potassium iodide and the prerogative of the States to decide the appropriateness of the use of potassium iodide by its citizens.
The NRC believes the final rule together with the decision to provide funding for the purchase of a State's supply of potassium iodide strikes a proper balance between encouraging (but not requiring) State authorities to take advantage of the benefits of potassium iodide.
By requiring consideration of the use of potassium iodide, the Commission recognizes the important role of States and local governments in matters of emergency planning.
This rule applies to States and Tribal governments that have a nuclear power plant within their borders and populations within the 10-mile emergency planning zone and to local governments designated by States to request funding for potassium iodide.
The news keeps repeating that this is a hydrogen explosion. But Hydrogen, when it burns, burns with a clear blue flame, almost invisible. Note the orange flash at the moment of the blast. Hydrogen, when it burns, produces water vapor, or steam. The combustion products emerging from the ruined reactor do not look like a steam blast. Burning hydrogen is not high-velocity, so pulverized concrete does not account for the color. As a side note, burned Plutonium, Pu4+, is yellow brown.
“EXPERT DOUBTS GOVERNMENT...
Nuclear expert John Large today questioned Fukushima's '4' status, telling The First Post: "We're not getting the information out of the government but I would say this is a significant nuclear event. You don't blow the top off a building and say it's not."
Japanese Cabinet Secretary Yukio Edano said today that there was the possibility of an explosion at the No 3 reactor but he was confident the steel containing vessel around the core of the reactor would withstand the blast – as it did when No 1 reactor blew up on Saturday.
Large said he found this hard to believe.
The "jellyfish" shape of Saturday's explosion and the decision to vent the reactor's secondary containment – releasing radioactive vapour and necessitating the evacuation of local people – all suggest fuel rods had melted and leaked from the primary containment.”
Originally posted by ThinkingCap
I don't know who was knocking Boondocks earlier,
But stay away from my alternative news providers.
And furthermore, if more people wrote with his style,
We'd all understand eachother a lot easier. In fact,
I think from now on I am going to steal his writing
In a nuclear explosion, typified by a bomb, the major burden of fission products is produced essentially immediately within the very short duration of the nuclear event. When a nuclear explosion occurs in the air atmosphere, the entire inventory of fission products that is produced is, in theory, available to produce external radiation dose from the radiations, especially the gamma radiation, and potential internal dose, following inhalation and ingestion of the material. Naturally, many of the fission products become quickly unavailable because of their very short half-lives; such nuclides disappear by radioactive decay
In the case of an accident at a nuclear power plant, a nuclear-bomb-type event is not possible, and the kinds of accidents that might occur are generally incapable of dispersing the entire contents of the core, which contains the radioactivity, into the general environment. Usually, the most volatile radionuclides are the ones most likely to be released when the barriers against dispersal are compromised.
Originally posted by karen61057
quote/we have the US Navy confirming that 17
sailors have radiation poisoning/ quote
We have 17 sailors who were contaminated and who were cleaned up with a regular shower. We DO NOT have 17 sailors with radiation poisioning. There is a hugh difference. Stop making this worse than it is. Do you get some kind of thrill out of this or what?
How much KI should I take?
The FDA has approved two different forms of KI—tablets and liquid—that people can take by mouth after a nuclear radiation emergency. Tablets come in two strengths, 130 milligram (mg) and 65 mg. The tablets are scored so they may be cut into smaller pieces for lower doses. Each milliliter (mL) of the oral liquid solution contains 65 mg of KI.
According to the FDA, the following doses are appropriate to take after internal contamination with (or likely internal contamination with) radioactive iodine:
* Adults should take 130 mg (one 130 mg tablet OR two 65 mg tablets OR two mL of solution).
* Women who are breastfeeding should take the adult dose of 130 mg.
* Children between 3 and 18 years of age should take 65 mg (one 65 mg tablet OR 1 mL of solution). Children who are adult size (greater than or equal to 150 pounds) should take the full adult dose, regardless of their age.
* Infants and children between 1 month and 3 years of age should take 32 mg (½ of a 65 mg tablet OR ½ mL of solution). This dose is for both nursing and non-nursing infants and children.
* Newborns from birth to 1 month of age should be given 16 mg (¼ of a 65 mg tablet or ¼ mL of solution). This dose is for both nursing and non-nursing newborn infants.
So many people died because when the nine-magnitude Pacific Ocean earthquake struck 80 miles off the coast of Sendai, warnings were issued that a tsunami would hit land in an hour.
But survivors said it struck in nine minutes.
Originally posted by zeeon
Knowing this, I find it highly speculative that such a "Deadly" radiation cloud is going to strike the United States. We, as it is, are right off the coast of Japan and we were exposed to a very minor amount.
Scientists in the U.S. warned today of a 'worst-case scenario' in which the highly radioactive material could be blasted into the atmosphere and blown towards the West Coast of America.