ISO INTERNATIONAL STANDARD 13164-1 First edition 2013-09-01 Water quality Radon-222 Part 1: General principles Qualité de I'eau - Radon 222 - Partie 1: Principes généraux Reference number IS0 13164-1:2013(E) ISO @IS02013 No reproduction or networking permitted without license from IHS Not for Resale IS0 13164-1:2013(E) COPYRIGHTPROTECTEDDOCUMENT @IS02013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO'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 copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved No reproduction or networking permited without license from IHS Not for Resale IS0 13164-1:2013(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms, definitions, and symbols ..2 3.1 Terms and definitions. .2 3.2 Symbols.... 4 Principle of the measurement method ..5 5 Sampling. 6 Transportation and storage .6 7 Test sample preparation. .8 7.1 Degassing techniques ..8 7.2 Permeation technique .9 7.3 Liquid extraction technique. 8 Detection techniques .9 8.1 Gamma-spectrometry .9 8.2 Silver-activated zinc sulfide ZnS(Ag) scintillation. .9 8.3 Airionization 8.4 Semiconductor (alpha-detection) .10 8.5 Liquid scintillation. 10 9 Measurement methods. ..10 9.1 General .10 9.2 Gamma-spectrometry method 10 9.3 Emanometric method .10 9.4 Liquid scintillation counting methods (LSC) ..12 9.5 Permeation method. .12 10 Calibration .12 11 Quality assurance and quality control programme ..12 11.1 General. ..12 11.2 Influence quantities. .12 11.3 Instrument verification. ..13 11.4 Method verification ..13 11.5 Demonstration of analyst capability .13 12 Expression of results .13 13 Test report ..13 Annex A (informative) Radon and its decay products in water .15 Annex B (informative) Examples of data record forms ..19 Bibliography ..23 ii se with ISt ed without license from IHS Not for Resale