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ISO 11665-9:2019

Measurement of radioactivity in the environment — Air: Radon-222 — Part 9: Test methods for exhalation rate of building materials

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 11665-9:2019
Document Year: 2019
Pages: 39
Edition: 2

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ISO 11665-9:2019
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