2535012

NS-EN ISO 11665-5:2020

Measurement of radioactivity in the environment — Air: radon-222 — Part 5: Continuous measurement methods of the activity concentration (ISO 11665-5:2020)

standard by Standards Norway NS-EN ISO , 03/01/2020

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ADOPTED_FROM:EN ISO 11665-5:2020 This document describes continuous measurement methods for radon-222. It gives indications for continuous measuring of the temporal variations of radon activity concentration in open or confined atmospheres. This document is intended for assessing temporal changes in radon activity concentration in the environment, in public buildings, in homes and in work places, as a function of influence quantities such as ventilation and/or meteorological conditions. The measurement method described is applicable to air samples with radon activity concentration greater than 5 Bq/m3.

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Published:: 03/01/2020
Number of Pages:: 28

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