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2. Radon mitigation - Wikipedia

   en.wikipedia.org/wiki/Radon_mitigation

   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.

3. Radon - Wikipedia

   en.wikipedia.org/wiki/Radon

   A fixed-location device to measure soil concentrations of radon at the Warsaw University of Technology. Since radon is a colorless, odorless gas, the only way to know how much is present in the air or water is to perform tests.

4. Lucas cell - Wikipedia

   en.wikipedia.org/wiki/Lucas_cell

   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.

5. Dosimetry - Wikipedia

   en.wikipedia.org/wiki/Dosimetry

   Radiation dosimetry in the fields of health physics and radiation protection is the measurement, calculation and assessment of the ionizing radiation dose absorbed by an object, usually the human body. This applies both internally, due to ingested or inhaled radioactive substances, or externally due to irradiation by sources of radiation.

6. Radon measure - Wikipedia

   en.wikipedia.org/wiki/Radon_measure

   Then no measure which vanishes at points on Z is a Radon measure, since any compact set in Z is countable. Standard product measure on (0, 1) κ for uncountable κ is not a Radon measure, since any compact set is contained within a product of uncountably many closed intervals, each of which is shorter than 1.

7. History of radiation protection - Wikipedia

   en.wikipedia.org/wiki/History_of_radiation...

   Radiation protection continued to develop with the invention of new measuring devices such as the chromoradiometer by Guido Holzknecht (1872-1931) in 1902, [22] the radiometer by Raymond Sabouraud (1864-1938) and Henri Noiré (1878–1937) [23] in 1904/05, and the quantimeter by Robert Kienböck (1873-1951) in 1905, [24] which made it possible ...