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ISO 11665-4:2021

Measurement of radioactivity in the environment — Air: radon-222 — Part 4: Integrated measurement method for determining average activity concentration using passive sampling and delayed analysis

Publication date:   Mar 26, 2021

General information

60.60 Standard published   Mar 26, 2021

ISO

ISO/TC 85/SC 2 Radiological protection

International Standard

13.040.01   Air quality in general | 17.240   Radiation measurements

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 11665-4:2020

NOW

PUBLISHED
ISO 11665-4:2021
60.60 Standard published
Mar 26, 2021