ISO 11665-9:2019

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Scope

This document specifies a method for the determination of the free radon exhalation rate of a batch of mineral based building materials. This document only refers to 222Rn exhalation determination using two test methods: liquid Scintillation Counting (LSC) and gamma ray spectrometry (see Annex A and Annex B). The exhalation of thoron (220Rn) does not affect the test result when applying the determination methods described in this document.

Table of contents

Product group(s)

17.240 Radiation measurements »
13.040.01 Air quality in general »

Relationships

Normative references

ISO/IEC 17025 General requirements for the competence of testing and calibration laboratories
ISO 11665-1 Measurement of radioactivity in the environment — Air: radon-222 — Part 1: Origins of radon and its short-lived decay products and associated measurement methods
ISO 11929 Determination of the characteristic limits (decision threshold, detection limit and limits of the confidence interval) for measurements of ionizing radiation — Fundamentals and application

Technical committee

ISO/TC 85/SC 2 Radiological protection »

Date of implementation

14.05.2019

Published

14.05.2019

Edition

2019

Pages

Language(s)

English