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Metrology infrastructure for radon metrology at the environmental level

Abstract: Since 2020 a large consortium has been engaged in the project EMPIR 19ENV01 traceRadon to develop the missing traceability chains to improve the sensor networks in climate observation and radiation protection. This paper presents results in the areas of: Novel 226Ra standard sources with continuous controlled 222Rn emanation rate, radon chambers aimed to create a reference radon atmosphere and a reference field for radon flux monitoring. The major challenge lies in the low activity concentrations of radon in outdoor air from 1 Bq·m-3 to 100 Bq·m-3, where below 100 Bq·m-3 there is currently no metrological traceability at all. Thus, measured values of different instruments operated at different locations cannot be compared with respect to their results. Whin this paper, new infrastructure is presented, capable of filling this gap in traceability. The achieved results make new calibration services, far beyond the state of art, possible

 Fuente: Acta IMEKO, 2023, 12(2), 1-7

 Año de publicación: 2023

 Nº de páginas: 7

 Tipo de publicación: Artículo de Revista

 DOI: 10.21014/actaimeko.v12i2.1440

 ISSN: 2221-870X

 Url de la publicación: https://doi.org/10.21014/actaimeko.v12i2.1440

Autoría

RÖTTGER, ANNETTE

RÖTTGER, STEFAN

LUIS SANTIAGO QUINDOS PONCELA

WOLOSZCZUK, KATARZYNA

NORENBERG, MACIEJ

RADULESCU, ILEANA

LUCA, AURELIAN