ISO INTERNATIONAL STANDARD 21877 First edition 2019-08 Stationary source emissions Determination of the mass concentration of ammonia Manual method Emissions de sources fixes - Détermination de la concentration en masse de I'ammoniac - Méthode manuelle Reference number ISO 21877:2019(E) OSI @ IS0 2019 IS0 21877:2019(E) 1101 1AA n7 COPYRIGHT PROTECTED DOCUMENT 5 @IS02019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 5 CH-1214 Vernier, Geneva 5 Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved

ISO 21877 2019 Stationary source emissions— Determination of the mass concentration of ammonia — Manual method

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