ISO INTERNATIONAL STANDARD 16976-1 First edition 2022-10 Respiratory protective devices Human factors - Part 1: Metabolic rates and respiratory flow rates Appareils de protection respiratoire - Facteurs humains - Partie 1: Metabolismes énergetiques et regimes des debits respiratoires Reference number ISO 16976-1:2022(E) ISO @IS02022 IS0 16976-1:2022(E) COPYRIGHT PROTECTED DOCUMENT @ISO2022 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, withoutpriorwrittenpermission.Permission can berequestedfrom eitherIso at theaddress below orIso'smemberbodyinthecountryoftherequester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2022 - All rights reserved