ISO INTERNATIONAL STANDARD 25597 First edition 2013-03-15 Corrected version 2015-02-01 Stationary source emissions Test method for determining PM2,5 and PM10 mass in stack gases using cyclone samplers and sample dilution Emissions de sources fixes -Methode d'essai pour la détermination de la concentration en masse de PM 2,5 et PM 10 dans les gaz émis a la cheminée en utilisant des échantillonneurs cyclone et une dilution d'échantillon Reference number IS0 25597:2013(E) TSO @ IS0 2013 without license from IHS st andar d999 IS0 25597:2013(E) COPYRIGHTPROTECTEDDOCUMENT @IS02013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form 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. + 4122 749 0111 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved networking permitted without license from IHS standard999 IS0 25597:2013(E) Contents Page Foreword ..vi Introduction .vii 1 Scope. ..1 1.1 General. 1 1.2 Limitations .2 1.2.1 General limitations. .2 1.2.2 Basic cyclone sampling technique .2 1.2.3 Dilution sampling technique .2 2 Normative references .2 3 Terms and definitions .3 4 Symbols and abbreviated terms .6 5 Principle .7 5.1 Method using sampling cyclones .1 5.1.1 Sampling cyclones .7 5.1.2 Theory of cyclones .7 5.1.3 Isokinetic sampling. .8 5.1.4 Method using sampling cyclones and sample dilution .8 5.2 Schematic of the apparatus .8 5.2.1 Cyclone sampling system. ..8 5.2.2 Dilution sampling system 6 Equipment and materials. .10 6.1 Cyclone sampling system .10 6.2 Dilution sampling system .11 6.3 Analytical balance. .14 7 Reagents and materials .15 8 Pre-sampling, filter conditioning, and weighing procedures .16 8.1 General aspects.. .16 8.1.1 Purpose of sampling. .16 8.1.2 Scheduling. .17 8.1.3 Preliminary calculations .17 8.2 Gravimetric filter weighing procedures .17 8.2.1 Pre-sampling filter conditioning .17 8.2.2 Post-sampling filter equilibration and storage .17 8.2.3 Gravimetric pre- and post-sampling filter weighing .18 iii IHS under li without licensefrom IHS standard999