BS EN 60695-7-1-2010 Fire hazard testing nPart 7-1 Toxicity of fire effluent General nguidance《着火危险试验 燃烧废物的毒性 一般指南》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 60695-7-1:2010Fire hazard testingPart 7-1: Toxicity of fire effluent GeneralguidanceBS EN 60695-7-1:2010 BRITISH STANDARDNational forewordThis British Standard is the UK im

2、plementation of EN60695-7-1:2010. It is identical to IEC 60695-7-1:2010. It supersedes BSEN 60695-7-1:2004 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee GEL/89, Fire hazard testing.A list of organizations represented on this committee can beobtained o

3、n request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 66775 6ICS 13.220.40; 29.020Compliance with a British Standard cannot confer immunity fromlegal obligations.This

4、 British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2010.Amendments issued since publicationDate Text affectedBS EN 60695-7-1:2010EUROPEAN STANDARD EN 60695-7-1 NORME EUROPENNE EUROPISCHE NORM July 2010 CENELEC European Committee for Electro

5、technical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr 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

6、 60695-7-1:2010 E ICS 13.220.40; 29.020 Supersedes EN 60695-7-1:2004English 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: Toxicit des effluents du feu - Lignes directrices gnrales (CEI 60695-

7、7-1:2010) Prfungen zur Beurteilung der Brandgefahr - Teil 7-1: Toxizitt 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 stipula

8、te 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

9、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 e

10、lectrotechnical 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, Sw

11、eden, Switzerland and the United Kingdom. BS EN 60695-7-1:2010EN 60695-7-1:2010 - 2 - Foreword The text of document 89/990/FDIS, future edition 3 of IEC 60695-7-1, prepared by IEC TC 89, Fire hazard testing, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60695-7-1 o

12、n 2010-07-01. This European Standard supersedes EN 60695-7-1:2004. The main changes with respect to the previous edition are listed below: minor editorial and technical changes throughout; Introduction text referring to IEC 60695-7-50 and ISO/TS 19700 has been updated; references to the ISO 9122 ser

13、ies have been deleted (other than an historical reference to ISO 9122-1 in the Introduction) 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

14、 2 has been updated; Figures 1 and 2 have both been updated. It has the status of a basic safety publication in accordance with IEC Guide 104 and ISO/IEC Guide 51. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC sh

15、all not be held responsible for identifying any or all such patent rights. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2011-04-01 latest date by which the national standar

16、ds 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

17、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. BS EN 60695-7-1:2010- 3 - EN 60695-7-1:2

18、010 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 late

19、st 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 fi

20、re 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

21、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 es

22、cape 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 t

23、he 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

24、for analysis of gases and vapours in fire effluents using FTIR gas analysis - - 2)At draft stage. BS EN 60695-7-1:2010EN 60695-7-1:2010 - 4 - Publication Year Title EN/HD Year ISO 19703 2005 Generation and analysis of toxic gases in fire - Calculation of species yields, equivalence ratios and combus

25、tion efficiency in experimental fires - - ISO 19706 2007 Guidelines for assessing the fire threat to people - - BS EN 60695-7-1:2010 2 60695-7-1 IEC:2010 CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references6 3 Terms and definitions .7 4 Factors determining toxic hazard 13 4.1 Evaluati

26、on 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

27、 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 methods20 5.4 Dynamic test methods .20 5.5 Measurement of toxicity.20 5.5.1 General .20 5.5.2 Chemical analysis based methods20 5.5.3 Met

28、hods based on animal exposure .21 6 Evaluation of test methods21 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 Bibliography24 Figure 1 Different phases in the development of a fire within a compartment.18 Figure 2

29、 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 BS EN 60695-7-1:201060695-7-1 IEC:2010 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ FIRE HAZARD TESTING Part 7-1: Toxicity of fire effluent General g

30、uidance 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 standardizatio

31、n 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 ent

32、rusted 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 Inter

33、national 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

34、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

35、 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

36、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 asse

37、ssment 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, empl

38、oyees, 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 th

39、e 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

40、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 60695-7-1 has been prepared by IEC technical committee 89: Fire hazard testing. This third ed

41、ition cancels and replaces the second edition published in 2004. It constitutes a technical revision. The main changes with respect to the previous edition are listed below: minor editorial and technical changes throughout; Introduction text referring to IEC 60695-7-50 and ISO/TS 19700 has been upda

42、ted; references to the ISO 9122 series have been deleted (other than an historical reference to ISO 9122-1 in the Introduction) and the text throughout has been updated; definitions have been updated in accordance with ISO/IEC 13943:2008; BS EN 60695-7-1:2010 4 60695-7-1 IEC:2010 dispersal volume is

43、 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. It has the status of a basic safety publication in accordance with IEC Guide 104 and ISO/IEC Guide 51. The text of this standard is based on the following documen

44、ts: FDIS Report on voting 89/990/FDIS 89/1003/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. This standard is to be used in co

45、njunction with IEC 60695-7-2. A list of all the parts of IEC 60695 series, under the general title of Fire hazard testing, can be found on the IEC website. Part 7 consists of the following parts: Part 7-1: Toxicity of fire effluent General guidance Part 7-2: Toxicity of fire effluent Summary and rel

46、evance 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

47、 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 rev

48、ised edition, or amended. BS EN 60695-7-1:201060695-7-1 IEC:2010 5 INTRODUCTION Electrotechnical products sometimes become involved in fires. However, except for certain specific cases (for example, power generating stations, mass transit tunnels, computer suites), electrotechnical products are not

49、normally present in sufficient quantities to form the major source of toxic hazard. For example, in domestic dwellings and places of public assembly, electrotechnical products are usually a very minor source of fire effluent compared with, for example, furnishings. The IEC 60695-7 series of publications is subject to the ongoing evolution of fire safety philosophy within ISO TC 92. The guidance in this International Standard is consistent with the principl

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