The uncertainty in the radon hazard classification of areas as a function of the number of measurements

Friedmann, H.; Baumgartner, Andreas; Gruber, Valeria; Kaineder, H.; Maringer, Franz Josef; Ringer, W.; Seidel, C.

doi:10.1016/j.jenvrad.2016.08.011

Cited by 9 publications

(3 citation statements)

References 12 publications

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“…According to the obtained results in the first series, measurements were repeated in some dwellings, and other new dwellings were selected in the forthcoming series. When it is necessary to make some decisions in the area suspected of having high radon, the number of investigated dwellings should not be less than five 34 . A random selection of twenty‐six investigated dwellings was made concerning structure: a single ground floor building with or without a cellar.…”

Section: Methodsmentioning

confidence: 99%

“…When it is necessary to make some decisions in the area suspected of having high radon, the number of investigated dwellings should not be less than five. 34 A random selection of twenty-six investigated dwellings was made concerning structure: a single ground floor building with or without a cellar. The charcoal canisters were deployed on the shelves (at least 1 m from the floor, away from windows/doors) in one or two selected rooms to obtain preliminary results on indoor radon levels in selected buildings.…”

Section: The Survey Designmentioning

confidence: 99%

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Identification of high radon dwellings, risk of exposure, and geogenic potential in the mining area of the “TREPČA” complex

Gulan¹,

Forkapić

Spasić³

et al. 2022

Indoor Air

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This study was performed to investigate radon levels in dwellings in the mining area near the town of Kosovska Mitrovica. The Passive radon technique based on the charcoal canister test kit conducted in summer and autumn 2019 showed unexpected results. The reference level of 300 Bq/m3 for indoor radon concentration was exceeded in 15 of 26 dwellings. Preliminary measurements of gamma dose rate in some dwellings built from local stone showed values from 0.30 to 0.45 μSv/h, while 75% of measurements in dwellings with stone foundations had radon above the reference level. The highest radon concentration (22 500 ± 220 Bq/m3) was measured in the cellar of one family house. The RAD7 device (Durridge Company, Inc.) was used to measure radon concentrations in water and nearby soil of some dwellings. Indoor radon concentration fluctuated significantly over two days; over a one‐day time scale, radon varied from 2843 ± 217 Bq/m3 at midnight to 1449 ± 104 Bq/m3 in the morning at one site, and abruptly decreased from a maximum of 2146 ± 262 Bq/m3 in one day to a minimum of 21 Bq/m3 the next day at another site. The influence of geological substrate on radon exposure was discussed through the estimation of geogenic radon potential, which varies from low the high radon index despite to high permeability of soil.

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Section: Methodsmentioning

confidence: 99%

Section: The Survey Designmentioning

confidence: 99%

Identification of high radon dwellings, risk of exposure, and geogenic potential in the mining area of the “TREPČA” complex

Gulan¹,

Forkapić

Spasić³

et al. 2022

Indoor Air

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“…Both options require metadata whose variability sufficiently explains the local variability of the target variable (IRC in the example). The filtering leads to data loss and to an increase of coefficient of variation that scales as about 1/√n, where n is the number of measured dwellings (11). In contrast, standardization has the drawback of introducing model uncertainty; for example, normalizing floor level relies on a model derived from data, which implies estimation and prediction uncertainty, since buildings behave differently.…”

Section: Concepts Definitions and Terminologymentioning

confidence: 99%

On harmonization of radon maps

Bossew

Čeliković

Cinelli

et al. 2022

radon

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Background: Maps are important tools for geographic visualization of the state of the environment with respect to resources as well as to hazards. One of the hazards is indoor radon (Rn), believed to be the most important cause of lung cancer after smoking. In particular, as part of Rn mitigation policy and in compliance with the European Basic Safety Standards, EU Member States have to declare areas with elevated indoor Rn concentration levels. However, as this is done by national authorities according to individually chosen criteria, the resulting maps are not easily comparable. Objective: We aim to identify causes for the lack of compatibility of maps and suggest solutions for the problem. Design: This study draws from experiences of recent research projects, literature, and personal involvement of the authors in the discussions. Results: An overview is given on causes and effects of lack of compatibility between maps. Existing experiences are reported. Options for defining lack of compatibility and for identifying it are discussed. Methods for harmonization, that is, remediating lack of compatibility, are addressed. Conclusions: The difficulty of harmonization increases with the aggregation level of data which support maps. Harmonization is the more difficult, the higher aggregated the data are which support maps. In particular, harmonization of radon priority area maps is technically non-trivial, and theoretical efforts as well as practical tests will have to be undertaken.

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The CR-39 etching optimization and measurement for radon in China Jinping Underground Laboratory

Liu

Zeng

et al. 2018

J Radioanal Nucl Chem

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The uncertainty in the radon hazard classification of areas as a function of the number of measurements

Cited by 9 publications

References 12 publications

Identification of high radon dwellings, risk of exposure, and geogenic potential in the mining area of the “TREPČA” complex

Identification of high radon dwellings, risk of exposure, and geogenic potential in the mining area of the “TREPČA” complex

On harmonization of radon maps

The CR-39 etching optimization and measurement for radon in China Jinping Underground Laboratory

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