ISO-11665-9 › Measurement of radioactivity in the environment - Air: Radon-222 - Part 9: Test methods for exhalation rate of building materials

ISO-11665-9 - 2ND EDITION - CURRENT
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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.

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13.040.01 (Air quality in general)

17.240 (Radiation measurements Including dosimetry Radiation protection, see 13.280)

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Document Number

ISO 11665-9:2019

Revision Level

2ND EDITION

Status

Current

Publication Date

May 1, 2019

Committee Number

ISO/TC 85/SC 2