ISO INTERNATIONAL STANDARD 11771 First edition 2010-12-15 Air quality Determination of time- averaged mass emissions and emission factors General approach Qualite de I'air- Determination de la moyenne temporelle des émissions massiques et des facteurs d'émission Approche genérale Reference number ISO 11771:2010(E) @ISO 2010 by IHS under lic itted without license from IHS Not for Resale ISO 11771:2010(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by Iso member bodies. In COPYRIGHT PROTECTED DOCUMENT @ISO2010 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 + 41 22 749 09 47 E-mail
[email protected] Web www.iso.org Published in Switzerland @ ISO 2010 - All rights reserved Tby IHS unde I without license from IHS Not for Resale ISO 11771:2010(E) Contents Page Foreword Introduction 1 Scope 2 Terms and definitions . 3 Symbols and abbreviated terms. 4 Principle .... 5 Determination of mass emission rates . 5.1 Planning ... 5.2 5.3 Calculation of mass emission rates ... 5.4 Determination of time-averaged mass emission rates. 5.5 Uncertainty estimation.. 6 Activity data. 6.1 Collection of activity data. 6.2 Activity data uncertainty... 7 Determination of time-averaged mass emission factors .. 10 7.1 General... 10 7.2 Calculating the time-averaged emission factor 10 7.3 Uncertainty of the time-averaged emission factor.. 10 7.4 Aggregating emission factors... 11 7.5 Uncertainty estimation of aggregates of emission factors.. 8 Quality management system requirements.. 11 9 Reporting 12 9.1 General 12 9.2 Test report. 12 Annex B (informative) Example of uncertainty estimation.. Annex C (informative) Data manipulation... 21 Bibliography... Copyrght International OrganizaionStadardizalonghts reserved ili ut license from IHS Not for Resale
ISO 11771 2010 Air quality — Determination of time-averaged mass emissions and emission factors — General approach
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