The Metrological Traceability, Performance and Precision of European Radon Calibration Facilities
Beck, Thomas R.; Antohe, Andrei; Cardellini, Francesco; Cucoş, Alexandra; Fialova, Eliska; Grossi, Claudia; Hening, Kinga; Jensen, Jens; Kastratoviç, Dejan; Krivošík, Matej; Lobner, Patrick; Luca, Aurelian; Maringer, Franz Josef; Michielsen, Nathalie; Otahal, Petr P. S.; Quindós, Luis; Rábago, Daniel; Saintz, Carlos; Szücs, László; Teodorescu, Constantin; Tolinsson, Cathrin; Tugulan, Cornel Liviu; Turtiainen, Tuukka; Vargas, Arturo; Vosahlik, Josef; Vukoslavovic, Goran; Wiedner, Hannah; Wołoszczuk, Katarzyna (2021-11-21)
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Beck, Thomas R.
Antohe, Andrei
Cardellini, Francesco
Cucoş, Alexandra
Fialova, Eliska
Grossi, Claudia
Hening, Kinga
Jensen, Jens
Kastratoviç, Dejan
Krivošík, Matej
Lobner, Patrick
Luca, Aurelian
Maringer, Franz Josef
Michielsen, Nathalie
Otahal, Petr P. S.
Quindós, Luis
Rábago, Daniel
Saintz, Carlos
Szücs, László
Teodorescu, Constantin
Tolinsson, Cathrin
Tugulan, Cornel Liviu
Turtiainen, Tuukka
Vargas, Arturo
Vosahlik, Josef
Vukoslavovic, Goran
Wiedner, Hannah
Wołoszczuk, Katarzyna
21.11.2021
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International Journal of Environmental Research and Public Health : 20
Tiivistelmä
The European Council Directive 2013/59/EURATOM requires that the EU member states introduce regulations for protection against radon exposure in homes and at workplaces [1]. In this context, the European metrology institutes are required to create a harmonized quality level for radon activity concentrations. The realization of the measurement quantity with a high degree of agreement between calibration bodies ensures that measurements are comparable and results are mutually recognized in the EU member states. The term radon used in the EU legal act, as well as in this work, refers to the radionuclide 222Rn.
In the framework of the European Metrology Programme for Innovation and Research (EMPIR), the project Metrology for Radon Monitoring (MetroRADON) was initiated, which included an interlaboratory comparison to evaluate the metrological traceability of European radon calibration facilities and to demonstrate their performance and precision when calibrating measurement instruments for radon in the range from 300 to 10,000 Bq/m3.
Calibration services from the different EU member states, which preferably represent the respective national reference for the quantity of radon activity concentration in air, were encouraged to participate in the comparison.
The interlaboratory comparison was conducted by the German Federal Office for Radiation Protection (BfS, coordinator) and took place from 2018 to 2020. The participants were requested to measure the atmospheres of their own facilities according to their own procedures and requirements for metrological traceability. The comparison value was determined with a measurement device that had appropriate metrological characteristics and was made available to the participants in turn. Differences in the comparison values demonstrated the differences of the participants in the measurement of the radon activity concentration. The measure of precision was considered to be the degree of agreement between participants in the determination of the quantity. The interlaboratory comparison also showed the uncertainties when passing on the quantity to third parties through the calibration of devices.
In total, 15 calibration facilities from 12 different countries of the European Union and one from Montenegro participated in the interlaboratory comparison. Table 1 presents the calibration facilities that were involved in the comparison.
In the framework of the European Metrology Programme for Innovation and Research (EMPIR), the project Metrology for Radon Monitoring (MetroRADON) was initiated, which included an interlaboratory comparison to evaluate the metrological traceability of European radon calibration facilities and to demonstrate their performance and precision when calibrating measurement instruments for radon in the range from 300 to 10,000 Bq/m3.
Calibration services from the different EU member states, which preferably represent the respective national reference for the quantity of radon activity concentration in air, were encouraged to participate in the comparison.
The interlaboratory comparison was conducted by the German Federal Office for Radiation Protection (BfS, coordinator) and took place from 2018 to 2020. The participants were requested to measure the atmospheres of their own facilities according to their own procedures and requirements for metrological traceability. The comparison value was determined with a measurement device that had appropriate metrological characteristics and was made available to the participants in turn. Differences in the comparison values demonstrated the differences of the participants in the measurement of the radon activity concentration. The measure of precision was considered to be the degree of agreement between participants in the determination of the quantity. The interlaboratory comparison also showed the uncertainties when passing on the quantity to third parties through the calibration of devices.
In total, 15 calibration facilities from 12 different countries of the European Union and one from Montenegro participated in the interlaboratory comparison. Table 1 presents the calibration facilities that were involved in the comparison.