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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.
A Lucas cell can be used to measure radon gas concentrations. [2] Radon itself is an inert gas.Its danger lies in the fact that it undergoes radioactive decay.The radon decay products may lodge in the lungs and bombard them with alpha and beta particles, thus increasing the risk of lung cancer.
R5 Assuming 2000 hours of work per year, this corresponds to a concentration of 1500 Bq/m 3. 222 Rn decays to 210 Pb and other radioisotopes. The levels of 210 Pb can be measured. The rate of deposition of this radioisotope is weather-dependent. [74] Radon concentrations found in natural environments are much too low to be detected by chemical ...
This work has continued with an emphasis on high purity and larger ingots. Since these detectors are cooled to liquid nitrogen temperatures advancements in room temperature detectors have been necessary for small, portable instruments called Radioisotope Identification Devices (RIIDs).
The particulate radioactive material might be natural, e.g., radon decay products ("progeny", e.g., 212 Pb), or manmade, usually fission or activation products (e.g., 137 Cs), or a combination of both. There are also "gas monitors" which pass the air through a sample chamber volume which is viewed continuously by a radiation detector.
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