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A typical radon test kit Fluctuation of ambient air radon concentration over one week, measured in a laboratory. The first step in mitigation is testing. No level of radiation is considered completely safe, but as it cannot be eliminated, governments around the world have set various action levels to provide guidance on when radon concentrations should be reduced.
Radon, a byproduct of naturally decaying uranium, is estimated to cause thousands of deaths each year nationwide. Here's how to protect yourself.
Radon-222 (222 Rn, Rn-222, historically radium emanation or radon) is the most stable isotope of radon, with a half-life of approximately 3.8 days. It is transient in the decay chain of primordial uranium-238 and is the immediate decay product of radium-226 .
Radon is an invisible, radioactive atomic gas that results from the radioactive decay of radium, which may be found in rock formations beneath buildings or in certain building materials themselves. Radon is probably the most pervasive serious hazard for indoor air in the United States and Europe.
Average radiation doses received in Germany. Radon accounts for half of the background dose; and medical doses reach the same levels as background dose. The largest natural contributor to public radiation dose is radon, a naturally occurring, radioactive gas found in soil and rock, [65] which comprises approximately 55% of the annual background ...
Tampa fertilizer giant Mosaic is seeking federal approval to use an estimated 337 tons of phosphogypsum, a mildly radioactive byproduct from the company’s phosphate manufacturing process, as a ...
After revelations that radioactive waste may be buried under two Bay Area parks, the cities of Albany and Berkeley submitted testing plans. Albany's was approved; Berkeley's was deemed insufficient.
It is possible to test for radon in buildings, and to use techniques such as sub-slab depressurization for mitigation. [10] [11] Epidemiological studies have shown a clear association between breathing high concentrations of radon and incidence of lung cancer. [12] Radon is a contaminant that affects indoor air quality worldwide.