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Radon concentration at the shores of large oceans is typically 1 Bq/m 3. Radon trace concentration above oceans or in Antarctica can be lower than 0.1 Bq/m 3. 10: 0.27 Mean continental concentration in the open air: 10 to 30 Bq/m 3. Based on a series of surveys, the global mean indoor radon concentration is estimated to be 39 Bq/m 3. 100: 2.7
The health effects of radon are harmful, and include an increased chance of lung cancer. Radon is a radioactive, colorless, odorless, tasteless noble gas, which has been studied by a number of scientific and medical bodies for its effects on health. A naturally-occurring gas formed as a decay product of radium, radon is one of the densest ...
That’s why one of Amazon’s Daily Deals is a literal lifesaver. Airthings Corentium Home Radon Detector —which has more than a thousand five-star reviews—is $101 off today only, and it ...
Complete table of nuclides. 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-222 was first observed in 1899, and was identified ...
There are 39 known isotopes of radon (86 Rn), from 193 Rn to 231 Rn; all are radioactive.The most stable isotope is 222 Rn with a half-life of 3.823 days, which decays into 218 Po ...
The concentration of radon gases is miniaturized by realtime detectors. In June 2001, typical radon concentrations in water coming into the purification system from the Super-Kamiokande tank were less than 2 mBq m −3, and in water output by the system, 0.4±0.2 mBq m −3. [11]
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