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Review

Procedures for Indoor Radon Measurement in Recent Years: A Scoping Review

by
Silvia Tamborino
,
Paolo Maria Congedo
* and
Cristina Baglivo
Department of Engineering for Innovation, University of Salento, 73100 Lecce, Italy
*
Author to whom correspondence should be addressed.
Buildings 2025, 15(20), 3725; https://doi.org/10.3390/buildings15203725
Submission received: 12 September 2025 / Revised: 3 October 2025 / Accepted: 13 October 2025 / Published: 16 October 2025
(This article belongs to the Topic Indoor Air Quality and Built Environment)

Abstract

Measuring indoor radon concentrations is essential for ensuring good air quality in buildings and protecting public health, but significant regulatory and methodological fragmentation still exists at the international level. This study analysed scientific articles published in the last five years, aiming to critically map the technical choices adopted in measuring radon in different indoor environments. The results show that regulatory fragmentation continues to generate inconsistent practices with regard to measurement protocols, sampling durations, devices used, and normative references used to interpret the results. In many cases, the protocols cannot be readily classified according to major technical standards as specific interpretation criteria are required, such as the sampling frequency and the overall duration of the strategy. These results highlight the importance of standardising measurement methods in order to improve the accuracy of exposure assessments and enable comparisons between studies.
Keywords: indoor radon measurement; indoor radon concentration; radon survey; radon legislation; measurement protocols indoor radon measurement; indoor radon concentration; radon survey; radon legislation; measurement protocols

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MDPI and ACS Style

Tamborino, S.; Congedo, P.M.; Baglivo, C. Procedures for Indoor Radon Measurement in Recent Years: A Scoping Review. Buildings 2025, 15, 3725. https://doi.org/10.3390/buildings15203725

AMA Style

Tamborino S, Congedo PM, Baglivo C. Procedures for Indoor Radon Measurement in Recent Years: A Scoping Review. Buildings. 2025; 15(20):3725. https://doi.org/10.3390/buildings15203725

Chicago/Turabian Style

Tamborino, Silvia, Paolo Maria Congedo, and Cristina Baglivo. 2025. "Procedures for Indoor Radon Measurement in Recent Years: A Scoping Review" Buildings 15, no. 20: 3725. https://doi.org/10.3390/buildings15203725

APA Style

Tamborino, S., Congedo, P. M., & Baglivo, C. (2025). Procedures for Indoor Radon Measurement in Recent Years: A Scoping Review. Buildings, 15(20), 3725. https://doi.org/10.3390/buildings15203725

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