ISO INTERNATIONAL STANDARD 20338 First edition 2019-09 Oxygen reduction systems for fire prevention Design, installation, planning and maintenance Referencenumber IS020338:2019(E) @IS02019 IS020338:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2019 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 belowor Iso'smemberbody in the country ofthe requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+41227490111 Fax:+412274909 47 Email: copyright@iso.org Website:www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved