Professor Chris Busby: Fukushima Meltdown Could Trigger Atomic Explosion! Alex Jones TV 2/3 for those of you who missed Arnie Gundersen's testimony, here's the link to it.FUKUSHIMA 5/26/11 Gundersen Gives Testimony to NRC ACRSPAGE 146 ON THIS DOCUMENT IS WHERE ARNIE GUNDERSEN BEGINS TO SPEAK.A single radiation dose of 2,000 millisieverts (200,000 millirems) and above causes serious illness.
Half-life of some radioactive elements
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