Fire hazard testing - Part 7-1: Toxicity of fire effluent - General guidance

IEC 60695-7-1:2010 provides guidance on the factors which affect the toxic hazard from fires involving electrotechnical products, and provides information on the methodologies recommended by ISO TC 92 (SC 3) for estimating and reducing the toxic hazard from fires, as expressed in ISO 19706, ISO 13344 and ISO 13571. There is no single test to realistically assess toxic hazard in fires. Small-scale toxic potency tests are not capable on their own of assessing the toxic hazard in fires. Current toxicity tests attempt to measure the toxic potency of a laboratory generated fire effluent. Toxic potency should not be confused with toxic hazard. The main changes with respect to the previous edition are as follows: - minor editorial and technical changes throughout; - references to the ISO 9122 series have been deleted and the text throughout has been updated; - definitions have been updated in accordance with ISO/IEC 13943:2008; - dispersal volume is stated to be an important parameter in the assessment of toxic hazard; - table 2 has been updated; - figures 1 and 2 have both been updated. This document has the status of a basic safety publication in accordance with IEC Guide 104 and ISO/IEC Guide 51.

Prüfungen zur Beurteilung der Brandgefahr - Teil 7-1: Toxizität von Rauch und/oder Brandgasen - Allgemeiner Leitfaden

Essais relatifs aux risques du feu - Partie 7-1: Toxicité des effluents du feu - Lignes directrices générales

La CEI 60695-7-1:2010 fournit des lignes directrices sur les facteurs qui affectent le danger toxique des feux impliquant des produits électrotechniques, et fournit des informations sur les méthodologies recommandées par le TC 92 (SC 3) de l'ISO concernant l'estimation et la réduction du danger toxique des incendies, tel qu'exprimé dans l'ISO 19706, dans l'ISO 13344 et dans l'ISO 13571. Il n'y a pas d'essai unique pour évaluer de façon réaliste le danger toxique des incendies. Les essais de potentiel toxique à petite échelle ne sont pas capables en eux-mêmes d'évaluer le danger toxique des incendies. Les essais de toxicité actuels tentent de mesurer le potentiel toxique d'un effluent du feu généré en laboratoire. Il convient de ne pas confondre potentiel toxique et danger toxique. Les principales modifications par rapport à l'édition précédente sont:< - modifications rédactionnelles et techniques mineures dans toute la norme; - les références à la série ISO 9122 ont été supprimées et l'ensemble du texte a été mis à jour; - les définitions ont été mises à jour, conformément à l'ISO/CEI 13943:2008; - le volume de dispersion est spécifié comme étant un paramètre important dans l'évaluation du danger toxique; - le Tableau 2 a été mis à jour; - les Figures 1 et 2 ont été mises à jour. Ce document a le statut d'une publication fondamentale de sécurité, conformément au Guide CEI 104 et au Guide ISO/CEI 51.

Preskušanje požarne ogroženosti - 7-1. del: Toksičnost dimnih plinov - Splošno navodilo (IEC 60695-7-1:2010)

Ta del IEC 60695 podaja navodila glede dejavnikov, ki vplivajo na nevarnost zastrupitve (zaradi požarov, pri katerih so vključeni elektrotehnični izdelki, ter podaja informacije glede metodologij, ki jih priporoča ISO TC 92 (SC 3) za ocenjevanje in zmanjševanje nevarnosti zastrupitve zaradi požara, kot so navedene v ISO 19706, ISO 13344 in ISO 13571. Ne obstaja en sam preskus, ki bi stvarno ocenil nevarnost zastrupitve pri požarih. Preskusi učinkovitosti strupa v majhnem obsegu sami ne zadoščajo za ocenjevanje nevarnosti zastrupitve pri požaru. Trenutni preskusi toksičnosti si prizadevajo meriti učinkovitost strupa, ki nastane pri požaru, ustvarjenem v laboratoriju.  Učinkovitosti strupa se ne sme mešati z nevarnostjo zastrupitve. Ta osnovna varnostna publikacija je namenjena uporabi s strani tehničnih odborov pri pripravi standardov v skladu z načeli, opredeljenimi v IEC Guide 104 in ISO/IEC Guide 51. Ena od odgovornosti tehničnega odbora je, če je primerno, uporabiti osnovne varnostne publikacije pri pripravi svojih publikacij. Zahteve, preskusne metode ali preskusni pogoji te osnovne varnostne publikacije se ne uporabljajo, razen če se ustrezne publikacije nanje izrecno sklicujejo ali jih vključujejo.

General Information

Status
Published
Publication Date
15-Jul-2010
Withdrawal Date
30-Jun-2013
Drafting Committee
Parallel Committee
Current Stage
6060 - Document made available - Publishing
Start Date
16-Jul-2010
Completion Date
16-Jul-2010

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Prüfungen zur Beurteilung der Brandgefahr - Teil 7-1: Toxizität von Rauch und/oder Brandgasen - Allgemeiner Leitfaden (IEC 60695-7-1:2010)Essais relatifs aux risques du feu - Partie 7-1: Toxicité des effluents du feu - Lignes directrices générales (CEI 60695-7-1:2010)Fire hazard testing - Part 7-1: Toxicity of fire effluent - General guidance (IEC 60695-7-1:2010)29.020Elektrotehnika na splošnoElectrical engineering in general13.220.40Sposobnost vžiga in obnašanje materialov in proizvodov pri gorenjuIgnitability and burning behaviour of materials and productsICS:Ta slovenski standard je istoveten z:EN 60695-7-1:2010SIST EN 60695-7-1:2010en01-september-2010SIST EN 60695-7-1:2010SLOVENSKI
STANDARDSIST EN 60695-7-1:20051DGRPHãþD

EUROPEAN STANDARD EN 60695-7-1 NORME EUROPÉENNE
EUROPÄISCHE NORM July 2010
CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brussels
© 2010 CENELEC -
All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60695-7-1:2010 E
ICS 13.220.40; 29.020 Supersedes EN 60695-7-1:2004
English version
Fire hazard testing -
Part 7-1: Toxicity of fire effluent -
General guidance (IEC 60695-7-1:2010)
Essais relatifs aux risques du feu -
Partie 7-1: Toxicité des effluents du feu - Lignes directrices générales (CEI 60695-7-1:2010)
Prüfungen zur Beurteilung
der Brandgefahr -
Teil 7-1: Toxizität von Rauch
und/oder Brandgasen -
Allgemeiner Leitfaden (IEC 60695-7-1:2010)
This European Standard was approved by CENELEC on 2010-07-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.
at national level by publication of an identical
national standard or by endorsement
(dop)
2011-04-01 – latest date by which the national standards conflicting
with the EN have to be withdrawn
(dow)
2013-07-01 Annex ZA has been added by CENELEC. __________ Endorsement notice The text of the International Standard IEC 60695-7-1:2010 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: [2] IEC 60695-6-1:2005 NOTE
Harmonized as EN 60695-6-1:2005 (not modified). [11] IEC 60695-1-10 NOTE
Harmonized as EN 60695-1-10. [12] IEC 60695-1-11 NOTE
Harmonized as EN 60695-1-111).
1) At draft stage. SIST EN 60695-7-1:2010

- 3 - EN 60695-7-1:2010 Annex ZA
(normative)
Normative references to international publications with their corresponding European publications
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
NOTE
When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies.
Publication Year Title EN/HD Year
IEC 60695-7-2 - Fire hazard testing -
Part 7-2: Toxicity of fire effluent - Summary and relevance of test methods EN 60695-7-2 -
IEC 60695-7-3 - Fire hazard testing -
Part 7-3: Toxicity of fire effluent - Use and interpretation of test results EN 60695-7-3 -
IEC Guide 104 1997 The preparation of safety publications
and the use of basic safety publications
and group safety publications - -
ISO/IEC Guide 51 1999 Safety aspects - Guidelines for their inclusion in standards - -
ISO 13344 2004 Estimation of the lethal toxic potency of fire effluents - -
ISO 13571 2007 Life-threatening components of fire - Guidelines for the estimation of time available for escape using fire data - -
ISO 13943 2008 Fire safety - Vocabulary EN ISO 13943 200X2)
ISO 16312-1 - Guidance for assessing the validity
of physical fire models for obtaining fire effluent toxicity data for fire hazard and risk assessment -
Part 1: Criteria - -
ISO/TR 16312-2 - Guidance for assessing the validity
of physical fire models for obtaining fire effluent toxicity data for fire hazard and risk assessment -
Part 2: Evaluation of individual physical fire models - -
ISO 19701 - Methods for sampling and analysis of fire effluents - -
ISO 19702 - Toxicity testing of fire effluents - Guidance for analysis of gases and vapours in fire effluents using FTIR gas analysis - -
2) At draft stage. SIST EN 60695-7-1:2010

ISO 19703 2005 Generation and analysis of toxic gases
in fire - Calculation of species yields, equivalence ratios and combustion efficiency in experimental fires - -
ISO 19706 2007 Guidelines for assessing the fire threat to people - -
IEC 60695-7-1Edition 3.0 2010-06INTERNATIONAL STANDARD NORME INTERNATIONALEFire hazard testing –
Part 7-1: Toxicity of fire effluent – General guidance
Essais relatifs aux risques du feu –
Partie 7-1: Toxicité des effluents du feu – Lignes directrices générales
INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE TICS 13.220.40; 29.020 PRICE CODECODE PRIXISBN 978-2-88912-013-0BASIC SAFETY PUBLICATION PUBLICATION FONDAMENTALE DE SÉCURITÉ® Registered trademark of the International Electrotechnical Commission
– 2 – 60695-7-1 © IEC:2010
CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references.6 3 Terms and definitions.7 4 Factors determining toxic hazard.13 4.1 Evaluation of the toxic hazard.13 4.2 Burning rate.13 4.3 Toxicity of fire effluent.13 4.3.1 General.13 4.3.2 Asphyxiants.14 4.3.3 Carbon dioxide.14 4.3.4 Sensory and/or upper respiratory irritants.15 4.3.5 Unusually high toxicity and extreme toxic potency.15 4.4 Dispersal volume.15 4.5 Escape time.16 5 General aspects of small-scale test methods used to evaluate the toxic hazard of fire gas effluent.16 5.1 General.16 5.2 Physical fire models.16 5.3 Static test methods.20 5.4 Dynamic test methods.20 5.5 Measurement of toxicity.20 5.5.1 General.20 5.5.2 Chemical analysis based methods.20 5.5.3 Methods based on animal exposure.21 6 Evaluation of test methods.21 6.1 Parameters to be considered.21 6.2 Selection of test specimen.21 7 Relevance of toxic hazard data to fire hazard assessment.21 Bibliography.24
Figure 1 – Different phases in the development of a fire within a compartment.18 Figure 2 – Evaluation and consideration of toxicity test methods.23
Table 1 – F values for irritants.15 Table 2 – Characteristics of fire types (from ISO 19706).19
60695-7-1 © IEC:2010 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION ____________
FIRE HAZARD TESTING –
Part 7-1: Toxicity of fire effluent –
General guidance
FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications.
8) Attention is drawn to the Norm
...

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