PD IS0/TS 11665-13:2017 BSl Standards Publication Measurement of radioactivity in the environment Air: radon 222 Part 13: Determination of the diffusion coefficient in waterproof materials: membrane two-side activity concentration test method bsi. PUBLISHEDDOCUMENT PD IS0/TS 11665-13:2017 National foreword This Published Document is the UK implementation of IS0/TS 11665-13:2017. The UK participation in its preparation was entrusted to Technical Committee NCE/2, Radiation protection and measurement. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @ The British Standards Institution 2017 Published by BSI Standards Limited 2017 ISBN 9780 580 936272 ICS 13.040.01; 17.240 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published under the authority of the Amendments/corrigenda issued since publication Date Textaffected PD IS0/TS 11665-13:2017 TECHNICAL ISO/TS SPECIFICATION 11665-13 First edition 2017-10-10 Measurement of radioactivity in the environment Air: radon 222 - Part 13: membrane two-side activity concentration test method Mesurage de la radioactivite dans I'environnement- Air: radon 222 - Partie 13: Détermination du coefficient de diffusion des materiaux imperméables: méthode de mesurage de I'activité volumique des deux cotés de la membrane Reference number A IS0/TS 11665-13:2017(E) ISO @ IS0 2017