ISO INTERNATIONAL STANDARD 7225 Second edition 2005-07-15 Gas cylinders Precautionary labels Bouteilles a gaz - Etiquettes de risque Reference number ISO 7225:2005(E) @ ISO 2005 ISO7225:2005(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The Iso Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In ISO2005 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing 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. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2005 - All rights reserved ISO7225:2005(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through IsO technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnical committeehasbeen non-governmental, in liaison with Iso, also take part in the work. Iso collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. requirements forgas cylinders. This second edition cancels and replaces the first edition (IsO 7225:1994), which has been technically revised alion'ghts reserved ii ISO 7225:2005(E) Introduction This International Standard belongs to a series of standards specifying gas cylinder identification requirements ISO 13769, Gas cylinders — Stamp marking — IsO 7225, Gas cylinders—Precautionary labels IsO 32, Gas cylinders for medical use Marking for identification of content The purpose of using precautionary labels on gas cylinders is to facilitate the identification of each cylinder and its content and to warn of the principal hazards associated with the said contents. Such labels can also serve to give other essential information such as the names and chemical formula of the gas or gas mixture @ IS0 2005 - All rights reserved INTERNATIONAL STANDARD ISO 7225:2005(E) Gas cylinders Precautionary labels Scope This International Standard specifies the design, content (i.e. hazard symbols and text) and application of Labels for cylinders of bundles and labels for bundles are not covered by this International Standard. 2 Terms and definitions For the purposes of this document, the following terms and definitions apply. 2.1 hazard label square set at an angle of 45° (diamond-shaped) as referenced in the United Nations Recommendations on the Transport of