ISO INTERNATIONAL STANDARD 10773 First edition 2011-05-01 Clay geosynthetic barriers Determination of permeability to gases Géosynthetiques bentonitiques - Détermination de la perméabilite aux gaz Reference number ISO 10773:2011(E) ISO @ISO2011 ISO 10773:2011(E) COPYRIGHT PROTECTED DOCUMENT @ ISO2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, ISsO's member body in the country of the requester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2011 - All riahts reserved ISO 10773:2011(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through IsO technical committees. Each member body interested in a subject for which a technical committee has been non-governmental, in liaison with Iso, also take part in the work. Iso collaborates closely with the InternationalElectrotechnicalCommission(iEC)onallmattersofelectrotechnicalstandardization. International Standards are drafted in accordance with the rules given in the IsO/lEc Directives, Part 2 adopted by the technical committees are circulated to the member bodies for voting. Publication as an Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 10773 was prepared by Technical Committee ISO/TC 221, Geosynthetics. 'ahts reserved ii