Standard Svensk standard · SS-EN ISO 20044:2024

Measurement of radioactivity in the environment – Air: aerosol particles – Test method using sampling by filter media (ISO 20044:2022, IDT)

Status: Valid

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Standard Svensk standard · SS-EN ISO 20044:2024

Measurement of radioactivity in the environment – Air: aerosol particles – Test method using sampling by filter media (ISO 20044:2022, IDT)
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Scope
This document provides guidance for
— the sampling process of the aerosol particles in the air using filter media. This document takes into account the specific behaviour of aerosol particles in ambient air.
— Two methods for sampling procedures with subsequent or simultaneous measurement:
— the determination of the activity concentration of radionuclides bound to aerosol particles in the air knowing the activity deposited in the filter;
— the operating use of continuous air monitoring devices used for real time measurement.

This document describes the test method to determine activity concentrations of radionuclides bound to aerosol particles after air sampling passing through a filter media designed to trap aerosol particles. The method can be used for any type of environmental study or monitoring.

This document does not cover the details of measurement test techniques (gamma spectroscopy, global alpha and beta counting, liquid scintillation, alpha spectrometry) used to determine the activity deposited in the media filter, which are either based on existing standards or internal methods developed by the laboratory in charge of those measurements. Also, this document does not cover the variability of the aerosol particle sizes as given by the composition of the dust contained in ambient air. This document does not address to sampling of radionuclides bound to aerosol particles in the effluent air of nuclear facilities [see ISO 2889:2021].

Subjects

General (13.040.01) Radiation measurements (17.240)


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Standard Svensk standard · SS-EN ISO 20044:2024

Measurement of radioactivity in the environment – Air: aerosol particles – Test method using sampling by filter media (ISO 20044:2022, IDT)
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Price: 1 487 SEK
standard ikon pdf

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Price: 1 487 SEK
standard ikon

Paper

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Product information

Language: English

Written by: Svenska institutet för standarder

International title:

Article no: STD-82090599

Edition: 1

Approved: 10/11/2024

No of pages: 55

Replaces: SS-ISO 20044:2022