Fire hazard testing - Part 7-2: Toxicity of fire effluent - Summary and relevance of test methods

Gives a brief summary of the test methods that are in common use in the assessment of lethal and sublethal acute toxic potency, and other toxicity tests. It includes special observations on their relevance to real fire scenarios and gives recommendations on their use. It advises which tests provide toxic potency data which is relevant to real fire scenarios, and which are suitable for use in fire hazard assessment and fire safety engineering. Has the status of a basic safety publication in accordance with IEC Guide 104.

Prüfungen zur Beurteilung der Brandgefahr - Teil 7-2: Toxizität von Rauch und/oder Brandgasen - Auswertung und Sachdienlichkeit von Prüfverfahren

Essais relatifs aux risques du feu - Partie 7-2: Toxicité des effluents du feu - Résumé et pertinence des méthodes d'essai

Fournit un bref résumé des méthodes d'essai qui sont d'un usage courant dans l'évaluation du potentiel toxique létal et pré-létal et autres essais de toxicité. Elle comprend des observations particulières sur leur pertinence par rapport aux scénarios d'incendies réels et donne des recommandations sur leur utilisation. Elle indique quels sont les essais fournissant des données de puissance toxique pertinentes pour les scénarios d'incendies réels, et quels sont ceux qui sont adaptés à l'utilisation dans l'évaluation des risques du feu et l'ingénierie de sécurité incendie. A le satut d'une publication fondamentale de sécurité conformément au Guide 104 de la CEI.

Preskušanje požarne ogroženosti - 7-2. del: Toksičnost dimnih plinov - Povzetek in relevantnost preskusnih metod

Ta del IEC 60695 podaja kratek povzetek preskusnih metod, ki so v splošni uporabi pri ocenjevanju akutne učinkovitosti strupa in drugih preskusov toksičnosti. Vključuje posebne ugotovitve glede njihove pomembnosti za realne požarne scenarije ter podaja priporočila za njihovo uporabo. Svetuje, kateri preskusi zagotavljajo podatke o učinkovitosti strupa, ki so pomembni za realne požarne scenarije, in kateri so primerni za uporabo pri ocenjevanju nevarnosti požara in načrtovanju požarne varnosti. Ta osnovna varnostna objava je namenjena temu, da jo uporabljajo tehnični odbori pri pripravi standardov v skladu z načeli, opredeljenimi v Vodilu 104 IEC in Vodilu 51 ISO/IEC. Ena od odgovornosti tehničnega odbora je, če je to primerno, uporabiti temeljne varnostne objave pri pripravi svojih objav. Zahteve, preskusne metode ali preskusni pogoji te temeljne varnostne objave se ne uporabljajo, razen če se ustrezne publikacije nanje izrecno sklicujejo ali jih vključujejo.

General Information

Status
Published
Public Enquiry End Date
29-Apr-2010
Publication Date
16-Nov-2011
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
14-Nov-2011
Due Date
19-Jan-2012
Completion Date
17-Nov-2011

Buy Standard

Standard
SIST EN 60695-7-2:2012
English language
50 pages
sale 10% off
Preview
sale 10% off
Preview
e-Library read for
1 day

Standards Content (sample)

SLOVENSKI STANDARD
SIST EN 60695-7-2:2012
01-januar-2012

3UHVNXãDQMHSRåDUQHRJURåHQRVWLGHO7RNVLþQRVWGLPQLKSOLQRY3RY]HWHNLQ

UHOHYDQWQRVWSUHVNXVQLKPHWRG

Fire hazard testing - Part 7-2: Toxicity of fire effluent - Summary and relevance of test

methods

Prüfungen zur Beurteilung der Brandgefahr - Teil 7-2: Toxizität von Rauch und/oder

Brandgasen - Auswertung und Sachdienlichkeit von Prüfverfahren

Essais relatifs aux risques du feu - Partie 7-2: Toxicité des effluents du feu - Résumé et

pertinence des méthodes d'essai
Ta slovenski standard je istoveten z: EN 60695-7-2:2011
ICS:
13.220.40 Sposobnost vžiga in Ignitability and burning
obnašanje materialov in behaviour of materials and
proizvodov pri gorenju products
29.020 Elektrotehnika na splošno Electrical engineering in
general
SIST EN 60695-7-2:2012 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
EUROPEAN STANDARD
EN 60695-7-2
NORME EUROPÉENNE
October 2011
EUROPÄISCHE NORM
ICS 13.220.40; 29.020
English version
Fire hazard testing -
Part 7-2: Toxicity of fire effluent -
Summary and relevance of test methods
(IEC 60695-7-2:2011)
Essais relatifs aux risques du feu - Prüfungen zur Beurteilung der
Partie 7-2: Toxicité des effluents du feu - Brandgefahr -
Résumé et pertinence des méthodes Teil 7-2: Toxizität von Rauch und/oder
d'essai Brandgasen -
(CEI 60695-7-2:2011) Auswertung und Sachdienlichkeit von
Prüfverfahren
(IEC 60695-7-2:2011)

This European Standard was approved by CENELEC on 2011-10-04. 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 CEN-CENELEC Management Centre 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 CEN-CENELEC Management Centre 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.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brussels

© 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 60695-7-2:2011 E
---------------------- Page: 2 ----------------------
EN 60695-7-2:2011 - 2 -
Foreword

The text of document 89/1059/FDIS, future edition 1 of IEC 60695-7-2, prepared by IEC/TC 89 "Fire

hazard testing" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as

EN 60695-7-2:2011.
The following dates are fixed:
(dop) 2012-07-04
• latest date by which the document has
to be implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2014-10-04
• latest date by which the national
standards conflicting with the
document have to be withdrawn

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent

rights.
Endorsement notice

The text of the International Standard IEC 60695-7-2:2011 was approved by CENELEC as a European

Standard without any modification.

In the official version, for Bibliography, the following note has to be added for the standard indicated:

ISO 5659-2 NOTE Harmonized as EN ISO 5659-2.
---------------------- Page: 3 ----------------------
- 3 - EN 60695-7-2:2011
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 60695-7-1 2010 Fire hazard testing - EN 60695-7-1 2010
Part 7-1: Toxicity of fire effluent - General
guidance
IEC/TS 60695-7-3 - Fire hazard testing - - -
Part 7-3: Toxicity of fire effluent - Use and
interpretation of test results
IEC Guide 104 - The preparation of safety publications and the - -
use of basic safety publications and group
safety publications
ISO/IEC Guide 51 - Safety aspects - Guidelines for their inclusion - -
in standards
ISO 13344 - 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 - Fire safety - Vocabulary - -
ISO 16312-1 2010 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 2007 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
ISO 19703 2010 Generation and analysis of toxic gases in fire -- -
Calculation of species yields, equivalence
ratios and combustion efficiency in
experimental fires
ISO 19706 - Guidelines for assessing the fire threat to - -
people
---------------------- Page: 4 ----------------------
IEC 60695-7-2
Edition 1.0 2011-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fire hazard testing –
Part 7-2: Toxicity of fire effluent – Summary and relevance of test methods
Essais relatifs aux risques du feu –
Partie 7-2: Toxicité des effluents du feu – Résumé et pertinence des méthodes
d'essai
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX X
ICS 13.220.40; 29.020 ISBN 978-2-88912-628-6
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 5 ----------------------
– 2 – 60695-7-2 © IEC:2011
CONTENTS

FOREWORD ........................................................................................................................... 5

INTRODUCTION ..................................................................................................................... 7

1 Scope ............................................................................................................................... 8

2 Normative references ....................................................................................................... 8

3 Terms and definitions ....................................................................................................... 9

4 Role of small-scale toxicity tests ..................................................................................... 16

4.1 General ................................................................................................................. 16

4.2 Toxic potency ........................................................................................................ 16

4.3 Fractional effective dose (FED) and toxic hazard ................................................... 17

4.4 Fractional effective concentration (FEC) ................................................................ 18

4.5 Generic toxic potencies ......................................................................................... 18

5 General aspects of small-scale toxicity tests................................................................... 18

5.1 General ................................................................................................................. 18

5.2 Physical fire models .............................................................................................. 18

5.3 Fire stages in a compartment fire .......................................................................... 21

5.4 Methods of analysis ............................................................................................... 21

5.4.1 Chemical analysis based methods ............................................................. 22

5.4.2 Methods based on animal exposure ........................................................... 22

6 Summary of published chemical analysis based test methods ........................................ 22

6.1 General ................................................................................................................. 22

6.2 UK Ministry of Defence – Defence Standard (DS) .................................................. 23

6.2.1 Summary ................................................................................................... 23

6.2.2 Purpose and principle ................................................................................ 23

6.2.3 Test specimen ........................................................................................... 23

6.2.4 Test method .............................................................................................. 23

6.2.5 Repeatability and reproducibility ................................................................ 24

6.2.6 Relevance of test data and special observations ....................................... 24

6.2.7 Reference document ................................................................................. 25

6.3 Airbus industry ...................................................................................................... 25

6.3.1 Summary ................................................................................................... 25

6.3.2 Purpose and principle ................................................................................ 25

6.3.3 Test specimen ........................................................................................... 25

6.3.4 Test method .............................................................................................. 25

6.3.5 Repeatability and reproducibility ................................................................ 26

6.3.6 Relevance of test data and special observations ....................................... 26

6.3.7 Reference documents ................................................................................ 26

6.4 Comitato Elettrotecnico Italiano (CEI) .................................................................... 26

6.4.1 Summary ................................................................................................... 26

6.4.2 Purpose and principle ................................................................................ 26

6.4.3 Test specimen ........................................................................................... 26

6.4.4 Test method .............................................................................................. 26

6.4.5 Repeatability and reproducibility ................................................................ 26

6.4.6 Relevance of test data and special observations ....................................... 27

6.4.7 Reference documents ................................................................................ 27

6.5 Norme Française (NF) ........................................................................................... 27

6.5.1 Summary ................................................................................................... 27

---------------------- Page: 6 ----------------------
60695-7-2 © IEC:2011 – 3 –

6.5.2 Purpose and principle ................................................................................ 27

6.5.3 Test specimen ........................................................................................... 27

6.5.4 Test method .............................................................................................. 27

6.5.5 Repeatability and reproducibility ................................................................ 28

6.5.6 Relevance of test data and special observations ....................................... 28

6.5.7 Reference documents ................................................................................ 28

6.6 International Electrotechnical Commission (IEC) ................................................... 28

6.6.1 Summary ................................................................................................... 28

6.6.2 Purpose and principle ................................................................................ 28

6.6.3 Test specimen ........................................................................................... 29

6.6.4 Test method .............................................................................................. 29

6.6.5 Sampling of effluent ................................................................................... 29

6.6.6 Repeatability and reproducibility ................................................................ 30

6.6.7 Relevance of test data and special observations ....................................... 30

6.6.8 Reference documents ................................................................................ 30

6.7 International Standards Organization (ISO) ........................................................... 30

6.7.1 Summary ................................................................................................... 30

6.7.2 Purpose and principle ................................................................................ 30

6.7.3 Test specimen ........................................................................................... 30

6.7.4 Test method .............................................................................................. 30

6.7.5 Repeatability and reproducibility ................................................................ 31

6.7.6 Relevance of test data and special observations ....................................... 31

6.7.7 Reference documents ................................................................................ 31

6.8 International Maritime Organization (IMO) ............................................................. 31

6.8.1 Summary ................................................................................................... 31

6.8.2 Purpose and principle ................................................................................ 31

6.8.3 Test specimen ........................................................................................... 31

6.8.4 Test method .............................................................................................. 31

6.8.5 Repeatability and reproducibility ................................................................ 32

6.8.6 Relevance of test data and special observations ....................................... 32

6.8.7 Reference documents ................................................................................ 32

6.9 Toxicity test for rolling stock cables ....................................................................... 32

6.9.1 Summary ................................................................................................... 32

6.9.2 Purpose and principle ................................................................................ 33

6.9.3 Test specimen ........................................................................................... 33

6.9.4 Test method .............................................................................................. 33

6.9.5 Repeatability and reproducibility ................................................................ 34

6.9.6 Relevance of test data and special observations ....................................... 34

6.9.7 Reference document ................................................................................. 34

7 Summary of published test methods relating to animal exposure .................................... 34

7.1 Deutsches Institut für Normung (DIN) .................................................................... 34

7.1.1 Summary ................................................................................................... 34

7.1.2 Purpose and principle ................................................................................ 35

7.1.3 Test specimen ........................................................................................... 35

7.1.4 Test method .............................................................................................. 35

7.1.5 Repeatability and reproducibility ................................................................ 35

7.1.6 Relevance of test data and special observations ....................................... 35

7.1.7 Reference documents ................................................................................ 36

---------------------- Page: 7 ----------------------
– 4 – 60695-7-2 © IEC:2011

7.2 National Bureau of Standards (NBS) ..................................................................... 36

7.2.1 Summary ................................................................................................... 36

7.2.2 Purpose and principle ................................................................................ 36

7.2.3 Test specimen ........................................................................................... 36

7.2.4 Test method .............................................................................................. 36

7.2.5 Repeatability and reproducibility ................................................................ 37

7.2.6 Relevance of test data and special observations ....................................... 37

7.2.7 Reference documents ................................................................................ 37

7.3 National Institute of Standards and Technology (NIST) .......................................... 37

7.3.1 Summary ................................................................................................... 37

7.3.2 Purpose and principle ................................................................................ 38

7.3.3 Test specimen ........................................................................................... 38

7.3.4 Test method .............................................................................................. 38

7.3.5 Repeatability and reproducibility ................................................................ 39

7.3.6 Relevance of test data and special observations ....................................... 39

7.3.7 Reference documents ................................................................................ 39

7.4 University of Pittsburgh (Upitt) ............................................................................... 39

7.4.1 Summary ................................................................................................... 39

7.4.2 Purpose and principle ................................................................................ 39

7.4.3 Test specimen ........................................................................................... 39

7.4.4 Test method .............................................................................................. 40

7.4.5 Repeatability and reproducibility ................................................................ 40

7.4.6 Relevance of test data and special observations ....................................... 40

7.4.7 Reference documents ................................................................................ 40

7.5 Japanese fire toxicity test for building components ................................................ 41

7.5.1 Summary ................................................................................................... 41

7.5.2 Purpose and principle ................................................................................ 41

7.5.3 Test specimen ........................................................................................... 41

7.5.4 Test method .............................................................................................. 41

7.5.5 Repeatability and reproducibility ................................................................ 41

7.5.6 Relevance of test data and special observations ....................................... 41

7.5.7 Reference documents ................................................................................ 42

Annex A (informative) Overview of toxicity test methods ...................................................... 43

Bibliography .......................................................................................................................... 45

Figure 1 – Different phases in the development of a fire within a compartment ..................... 21

Table 1 – Characteristics of fire types (ISO 19706) ............................................................... 20

Table 2 – Cf values taken from DS 02-713 for various gases ............................................... 24

Table 3 – Volume fraction limits for gas components............................................................. 25

Table 4 – Decomposition conditions ...................................................................................... 29

Table 5 – Decomposition conditions ...................................................................................... 30

Table 6 – Volume fraction limits for gas component .............................................................. 32

Table 7 – CC values taken from EN 50305 .......................................................................... 34

Table A.1 – Overview of toxicity test methods ....................................................................... 43

---------------------- Page: 8 ----------------------
60695-7-2 © IEC:2011 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIRE HAZARD TESTING –
Part 7-2: Toxicity of fire effluent –
Summary and relevance of test methods
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 Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 60695-7-2 has been prepared by IEC technical committee 89: Fire

hazard testing.

This first edition of IEC 60695-7-2 cancels and replaces the first edition of Technical Report

IEC/TR 60695-7-2 published in 2002. It constitutes a technical revision and now has the

status of an International Standard.

It has the status of a basic safety publication in accordance with IEC Guide 104 and ISO/IEC

Guide 51.
The main changes with respect to the previous edition are listed below:
– editorial changes throughout;
– expanded normative references;
– revised terms and definitions;
---------------------- Page: 9 ----------------------
– 6 – 60695-7-2 © IEC:2011
– modifications to “Repeatability and reproducibility” data throughout;
– modifications to “Relevance of test data” throughout;
– modifications to Clause 5;
– new Table 1 and Figure 1;
– introduction of ISO test method in new Subclause 6.6;
– introduction of test method from EN 50305 in new Subclause 6.8;
– revised Annex A and new Table A.1;
– expanded Bibliography.
The text of this standard is based on the following documents:
FDIS Report on voting
89/1059/FDIS 89/1073/RVD

Full information on the voting for the approval of this standard can be found in the report on

voting indicated in the above table.

This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

A list of all the parts in the 60695 series, under the general title Fire hazard testing, can be

found on the IEC website.
IEC 60695-7 consists of the following parts:
Part 7-1: Toxicity of fire effluent – General guidance
Part 7-2: Toxicity of fire effluent – Summary and relevance of test methods
Part 7-3: Toxicity of fire effluent – Use and interpretation of test results

Part 7-50: Toxicity of fire effluent – Estimation of toxic potency – Apparatus and test method

Part 7-51: Toxicity of fire effluent – Estimation of toxic potency – Calculation and

interpretation of test results

The committee has decided that the contents of this publication will remain unchanged until

the stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data

related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
---------------------- Page: 10 ----------------------
60695-7-2 © IEC:2011 – 7 –
INTRODUCTION

The IEC 60695-7 series provides guidance to IEC product committees on the adoption and

implementation of the recommendations of ISO/TC 92, for the minimization of toxic hazard

from fires involving electrotechnical products.

Electrotechnical products, primarily as the objects of a fire, may contribute to the fire hazard

due to release of toxic effluent, which may be a significant contributing factor to the overall

fire hazard.

IEC product committees incorporating requirements for the assessment of toxic hazard from

fire in product standards should note that toxic potency and other measurements of toxicity

which are described in this international standard should not be used directly in product

specifications. Data from toxic potency test methods should only be used as part of a toxic

hazard assessment, in conjunction with other product-based reaction to fire data such as

mass loss rate.
------
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.