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Homepage>ISO Standards>ISO 11665-4:2021-Measurement of radioactivity in the environment-Air: radon-222
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download between 0-24 hoursReleased: 2021
ISO 11665-4:2021-Measurement of radioactivity in the environment-Air: radon-222

ISO 11665-4:2021

ISO 11665-4:2021-Measurement of radioactivity in the environment-Air: radon-222

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Standard´s number:ISO 11665-4:2021
Pages:31
Edition:3
Released:2021
DESCRIPTION

ISO 11665-4:2021


This document describes radon-222 integrated measurement techniques with passive sampling. It gives indications for determining the average activity concentration of the radon-222 in the air from measurements based on easy-to-use and low-cost passive sampling, and the conditions of use for the sensors. This document covers samples taken without interruption over periods varying from a few days to one year. This measurement method is applicable to air samples with radon activity concentrations greater than 5 Bq/m3.