Adsorption of radon on activated carbon

Kapitanov, Yu.T.; Pavlov, I. V.; Semikin, N.P.; Serdyukova, A.S.

doi:10.1080/00206817009475300

Cited by 6 publications

(1 citation statement)

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“…Ionization chambers were large, required an electric supply and were thus not portable. Activated charcoal collectors and instruments applying electrostatic collection were known to be sensitive to humidity [12,13].…”

Section: Radon Measurementsmentioning

confidence: 99%

Radon in Finnish underground mines 2011–2019

Kojo¹,

Laine²,

Turtiainen³

et al. 2021

J. Radiol. Prot.

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Radon measurements in Finnish underground mines were started in 1972. Since 1992, regular radon inspections by the competent authority have been carried out in all underground mines. During these inspections, several grab samples are taken from the air, which are later measured in the laboratory. This is a follow-up survey of radon concentrations in the air of the underground mines. The average radon concentrations in the mines between the years 2011 and 2019 varied from 90 to 1100 Bq m−3. Overall, the occupational radon exposure in the Finnish underground mines has remained at a low level from the 1990s onwards. In recent years, high radon concentrations have been observed only in those mines where active mining has ceased. Compared to other recent studies in mines in other countries, radon concentrations in Finnish mines are approximately at the same level. Uncertainties relating to infrequent grab sampling have been recognised and the authority is now testing personal radon detectors that may be used for the exposure assessment in the future.

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Section: Radon Measurementsmentioning

confidence: 99%