ISO INTERNATIONAL STANDARD 13138 First edition 2012-01-15 Air quality Sampling conventions for airborne particle deposition in the human respiratory system Qualité de I'air- Conventions de prélevement de particules aéroportees en fonction de leur depot dans les voies respiratoires humaines Reference number ISO 13138:2012(E) ISO @ISO2012 IHS under itted without license from IHS Not for Resale ISO 13138:2012(E) COPYRIGHTPROTECTEDDOCUMENT ISO 2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing 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 + 4122 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ ISO 2012 -All rights reserved y IHS unde etworking permitted without license from IHS Not for Resale ISO 13138:2012(E) Contents Page Foreword .. iv Introduction 1 Scope 2 Normative references 3 Terms and definitions. 4 Principle. 4.1 General. 3 4.2 Rationale for the early penetration conventions (EN 481 and ISO 7708) 4.3 Need for particle deposition conventions . 4.4 Intended application.. 5 Assumptions and approximations. 4 6 Deposition sampling conventions 5 Annex A (informative) Deposition variation and its correction ..10 Bibliography ..16 ili IHS under se with IS ut license from IHS Not for Resale