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Intercomparison of radon flux monitors at low and at high radium content areas under field conditions

Abstract: Interlaboratory exercises are a good tool to compare the response of different systems to the same quantity and to identify possible inconsistencies between them. One of the main goals of the EMPIR 19ENV01 traceRadon project is to harmonize radon flux measurements based on different systems and methodologies. In the framework of the traceRadon Project, two radon flux intercomparison campaigns were carried out in October 2021 at high and at low radon source areas. Four institutions participated in the field intercomparison exercises with their own systems. Every system was based on a specific radon monitor (diffusion or pump mode) and an accumulation chamber (with manual or automatic opening). Radon fluxes were calculated by each participant using both exponential and linear fittings of the radon activity concentration measured over time within the accumulation chambers. The results of this study show mainly: (i) the exponential approach is not advisable due to the variability of the radon flux and the leakage of the systems during long-time measurements; (ii) the linear approach should be applied to minimize the measurement period in agreement with the time response and sensitivity of the monitors; (iii) radon flux measured at high radon source areas (radium content of about 800 Bq kg??1) risks being underestimated because of the influence of dvective effects; (iv) radon flux measured at low radon source areas (radium content of about 30 Bq kg??1) may present large uncertainties if sensitive radon monitors with pump mode are not used.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: Rábago D., Quindós L., Vargas A., Sainz C., Radulescu I., Ioan M.R., Cardellini F., Capogni M., Rizzo A., Celaya S., Fuente I., Fuente M., Rodriguez M., Grossi C.,

 Fuente: International Journal of Environmental Research and Public Health, 2022, 19(7), 4213

Editorial: MDPI

 Año de publicación: 2022

Nº de páginas: 20

Tipo de publicación: Artículo de Revista

 DOI: 10.3390/ijerph19074213

ISSN: 1661-7827,1660-4601

Url de la publicación: https:// doi.org/10.3390/ijerph19074213

Autoría

VARGAS, ARTURO

RADULESCU, ILEANA

MIHAIL-RAZVAN IOAN

CARDELLINI, FRANCESCO

CAPOGNI, MARCO

RIZZO, ALESSANDRO

FUENTE, MARTA

RODRIGUEZ, MARIA

GROSSI, CLAUDIA