ISO INTERNATIONAL STANDARD 24998 First edition 2008-11-15 Plastics laboratory ware Single-use Petri dishes for microbiological procedures Materiel de laboratoire en matiere plastique- Boites de Petri a usage unique pour méthodes microbiologiques Reference number ISO 24998:2008(E) @ ISO 2008 by IHS under lic Not for Resale ISO24998:2008(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 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 the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below COPYRIGHTPROTECTEDDOCUMENT @ ISO2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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 copyright@iso.org Web www.iso.org Published in Switzerland @ Iso 2008 - All rights reserved ed without license from IHS Not for Resale ISO 24998:2008(E) Contents Page Foreword 1 Scope 2 Terms and definitions 3 Principle of use . 4 Types 5 Material 6 Design and construction. 6.1 General 6.2 Dimensions 6.3 Rim on lid..... 6.4 Compartment: 6.5 Venting 7 Performance.. 7.1 7.2 Resistance to thermal distortion. 7.3 Resistancetofracture 7.4 Stability in stacking .... 8 Limitation of contamination... 6 Sterility and special microbiological states.. 10 Packaging ... 5 11 Marking .. 5 Annex A (normative) Type test for rigidity ..... Annex B (normative) Type test for resistance to thermal distortion . Annex C (normative) Type test for resistance to fracture.. 9 Annex D (normative) Type test for stability in stacking... 10 Bibliography Copyright internatina organizaio for standardizalion ghts reserved ii se from IHS Not for Resale