ISO INTERNATIONAL STANDARD 13752 First edition 1998-04-01 Air quality Assessment of uncertainty of a measurement method under field conditions using a second method as reference Qualite de I'air- Evaluation de I'incertitude d'une méthode de mesurage sur site en utilisant une seconde méthode comme référence Tso Referencenumber ISO13752:1998(E) py IHS under ted without license from IHS Not for Resale ISO 13752:1998(E) Contents 1 Scope 2 Normative references 3 Symbolsandabbreviatedterms 1 4 Principle. 2 5 Requirements 4 6 Parallel measurements 5 7 Graphical analysis of dispersion. 8 Estimation of coefficients of regression model ... 6 9 Estimation of measurement uncertainty 9 Annexes A Template of spreadsheet to calculate regression and variance function.... 11 B Example of spreadsheet to calculate regression and variance function... 13 c Bibliography ... 15 @ISO1998 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 the publisher. International Organization for Standardization Case postale 56 . CH-1211 Geneve 20 · Switzerland Internet [email protected] X.400 C=ch; a=400net; p=iso; 0=isocs; S=central Printed in Switzerland Copyright International Organization for Standardization vided by IHS under se from IHS Not for Resale @ ISO ISO 13752:1998(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 atechnicalcommitteehasbeenestablishedhastherighttoberepresented on that committee. International organizations, governmental and non- governmental, in liaison with ISO, also take part in the work. IsO collab- oratescloselywiththeInternationalElectrotechnicalCommission(lEC)on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees sare circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 13752 was prepared by Technical Committee ISO/TC 146, Air quality, Subcommittee SC 4, General aspects. Annexes A, B and C of this International Standard are for information only. CopyrightInternational Organizatin for Standardization ili ed without license from IHS Not for Resale