ISO INTERNATIONAL STANDARD 4833-2 First edition 2013-09-01 AMENDMENT1 2022-01 Microbiology of the food chain - Horizontal method for the enumeration of microorganisms Part 2: Colony count at 30 °c by the surface plating technique AMENDMENT 1: Clarification of scope Microbiologiede la chaine alimentaire-Méthode horizontalepour ledenombrementdesmicro-organismes Partie 2:Comptage des colonies a 30 C par la technique d'ensemencementensurface AMENDEMENT1:Clarification du domaine d'application Reference number IS04833-2:2013/Amd.1:2022(E) ISO @ISO2022 IS04833-2:2013/Amd.1:2022(E) COPYRIGHTPROTECTEDDOCUMENT @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, 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.deBlandonnet8 CH-1214 Vernier,Geneva Phone: +41 22 749 01 11 Email:[email protected] Website:www.iso.org Published in Switzerland ii @IS0 2022-All rights reserved IS04833-2:2013/Amd.1:2022(E) Foreword Iso (the International Organization for Standardization) is a worldwidefederation of national standards bodies (isO member bodies).The work of preparing International Standards is normally carried out through Iso technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations,governmental and non-governmental, in liaison withIso,also take part in thework. ISo collaborates closely with the International Electrotechnical Commission (IEC)on all matters of electrotechnical standardization. The procedures used to develop this document and those intended for its further maintenance are described in the Iso/IEC Directives, Part 1. In particular, the different approval criteria neededfor the different types of Iso documents should be noted.This document was drafted in accordance with the editorial rules of the ISo/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to thepossibilitythat some of the elements of this documentmay be the subject of patent rights.IsO shall not be held responsible for identifying any or all such patent rights. Details of anypatent rights identifiedduringthedevelopment of the document will be in the Introduction and/or on the Iso list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is information given for the convenience of users and does not constituteanendorsement. For an explanation of the voluntary nature of standards, the meaning of Iso specific terms and expressions related to conformity assessment, as well as information about Iso's adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www.iso.org/iso/foreword.html. This document was prepared by Technical Committee TC 34, Food products, Subcommittee SC 9, Microbiology,incollaboration with the European Committee for Standardization (CEN)Technical Committee CEN/TC 463, Microbiology of the food chain, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement). A list of all parts in the ISO 4833 series can be found on the ISO website. Anyfeedback or questions on this document should be directed to the user's national standards body. A complete listing of these bodies can be found at www.iso.org/members.html. @ IS0 2022-All rights reserved iii