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BSI BS ISO 11665-9:2019

Measurement of radioactivity in the environment. Air: Radon-222 -- Test methods for exhalation rate of building materials
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BSI BS ISO 11665-9:2019

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

PUBLISH DATE 2019
PAGES 48
BSI BS ISO 11665-9:2019

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.

SDO BSI: British Standards Institution
Document Number ISO 11665-9
Publication Date May 21, 2019
Language en - English
Page Count
Revision Level
Supercedes
Committee NCE/2
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