ISO INTERNATIONAL STANDARD 16000-44 Firstedition 2023-12 Indoor air . Part 44: Test method for measuring perceived indoor air quality for use in testing the performance of gas phase air cleaners Airintérieur- Partie 44: Methode d'essai pour mesurer la qualite de I'air interieur percue a utiliser pour tester les performances des épurateurs d'air en phasegazeuse Reference number IS0 16000-44:2023(E) @IS0 2023 IS016000-44:2023(E) COPYRIGHTPROTECTEDDOCUMENT ISO2023 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying,or posting on the internet or an intranet, without prior 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 CP401:Ch.de Blandonnet8 CH-1214 Vernier, Geneva Phone:+4122 749 0111 Email: copyright@iso.org Website:www.iso.org Published inSwitzerland ii @IS02023-All rights reserved