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EVS-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 (ISO 11665-4:2021, identical)

General information

Valid from 20.07.2021
Base Documents
ISO 11665-4:2021
Directives or regulations
None

Standard history

Status
Date
Type
Name
20.07.2021
Main
16.11.2020
Main
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.

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