ISO INTERNATIONAL STANDARD 16312-1 Third edition 2016-11-15 Guidance for assessing the validity of physical fire models for obtaining fire effluent toxicity data for fire hazard and risk assessment - Part 1: Criteria Lignes directrices pour évaluer la validité des modeles de feu physiques pour I'obtention de données sur les effluents du feu en vue de I'évaluation des risques et dangers- Partie 1: Criteres Reference number IS0 16312-1:2016(E) ISO @ IS0 2016 Not forR IS0 16312-1:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form 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 Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org @ IS0 2016 - All rights reserved ards Bodies na/590erbaoz IS0 16312-1:2016(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions ..1 4 General principles. ..1 4.1 Physical fire model. .1 4.2 Model validity ..1 4.3 Test specimens. .2 4.4 Combustion conditions 4.5 Effluent characterization 2 5 Significance and use ..2 6 The ideal fire effluent toxicity test method .3 6.1 Firestages .3 6.2 Applicability 3 6.3 Apparatus independence 3 6.4 Operational efficiency 3 6.5 Data generated. .3 6.6 Accuracy. .4 6.7 Repeatability and reproducibility .4 7 Characteristics of fire stages ..4 8 Characterization of physical fire models ..4 8.1 Thermal environment in the test specimen 4 8.1.1 General 4 8.1.2 Smouldering. .5 8.1.3 Pyrolysis 5 8.1.4 Fiaming. .5 8.2 Oxygen availability. .5 8.2.1 General .5 8.2.2 Fuel/air equivalence ratio 5 8.2.3 Combustion efficiency .6 8.3 Test specimen. .6 8.4 Yields of combustion products. ..6 8.5 Analytical instrumentation. .6 8.6 Use of test animals. .. 6 9 Physical fire model accuracy ..7 Annex A (informative) Characteristics affecting combustion product yields .9 Bibliography .11 CopyrightInteatioa rgzSM2haraizAl rights reserved iii ded by IHS underI Not for Resale