ISO INTERNATIONAL STANDARD 11844-1 Second edition 2020-05 Corrosion of metals and alloys Classification of low corrosivity of indoor atmospheres - Part 1: Determination and estimation of indoor corrosivity Corrosion des métaux et alliages - Classification de la corrosivite faible des atmospheres d'intérieur Partie1:Determinationetestimationdelacorrosivitédes atmospheres d'intérieur Reference number ISO 11844-1:2020(E) OST @ IS0 2020 IS0 11844-1:2020(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2020 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 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved