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EN ISO 29661-2017 en Reference radiation fields for radiation protection - Definitions and fundamental concepts.pdf

1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Reference radiation fields for radiation protection - Definitions and fundamental conceptsBS EN ISO 29661:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 29661 October 2017 ICS 13.280 English Version Refere

2、nce radiation fields for radiation protection - Definitions and fundamental concepts (ISO 29661:2012, including Amd 1:2015) Champs de rayonnement de rfrence pour la radioprotection - Dfinitions et concepts fondamentaux (ISO 29661:2012, y compris Amd 1:2015) This European Standard was approved by CEN

3、 on 13 September 2017. CEN 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 standar

4、ds may be obtained on application to the CEN-CENELEC Management Centre or to any CEN 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 CEN member into its own language and noti

5、fied to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Ic

6、eland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CEN

7、ELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 29661:2017 ENational forewordThis British Standard is the UK implementation of EN ISO 29661:2017. It is identical to

8、 ISO 29661:2012, incorporating amendment 1:2015. It supersedes BS ISO 29661:2012+A1:2015, which is withdrawn.The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to ISO text carry the number of the ISO amendment. For example, text

9、altered by ISO amendment A1 is indicated by .The UK participation in its preparation was entrusted to Technical Committee NCE/2, Radiation protection and measurement.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to

10、 include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 96930 0ICS 13.280Compliance with a British Standard cannot confer immunity from legal obligations.This

11、British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2016.Amendments/corrigenda issued since publicationDate Text affected31 March 2018 This corrigendum renumbers BS ISO 29661:2012+A1:2015 as BS EN ISO 29661:2017BRITISH STANDARDBS EN ISO 29661

12、:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 29661 October 2017 ICS 13.280 English Version Reference radiation fields for radiation protection - Definitions and fundamental concepts (ISO 29661:2012, including Amd 1:2015) Champs de rayonnement de rfrence pour la radioprotection - Dfi

13、nitions et concepts fondamentaux (ISO 29661:2012, y compris Amd 1:2015) This European Standard was approved by CEN on 13 September 2017. CEN 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

14、 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 CEN member. This European Standard exists in three official versions (English, French, German). A version

15、 in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czec

16、h Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kin

17、gdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 29

18、661:2017 EBS EN ISO 29661:2017EN ISO 29661:2017 (E) 3 European foreword The text of ISO 29661:2012, including Amd 1:2015 has been prepared by Technical Committee ISO/TC 85 “Nuclear energy, nuclear technologies, and radiological protection” of the International Organization for Standardization (ISO)

19、and has been taken over as EN ISO 29661:2017 by Technical Committee CEN/TC 430 “Nuclear energy, nuclear technologies, and radiological protection” the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical

20、 text or by endorsement, at the latest by April 2018, and conflicting national standards shall be withdrawn at the latest by April 2018. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identif

21、ying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugosla

22、v Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 29661:20

23、12, including Amd 1:2015 has been approved by CEN as EN ISO 29661:2017 without any modification. BS EN ISO 29661:2017 ISO 2012 All rights reserved iiiContents PageForeword ivIntroduction v1 Scope 12 Normative references . 13 Terms and definitions . 13.1 General . 13.2 Quantities and conversion coeff

24、icients 94 Symbols .155 Application of the measurement quantities and units 175.1 Measurement quantities for area monitoring 175.2 Measurement quantities for individual monitoring 185.3 Establishing of the measurement quantities for area and individual monitoring .186 Calibration and determination o

25、f the response in reference radiation fields .186.1 General principles .186.2 Calibration in reference radiation fields 196.3 Determination of the response in reference radiation fields .216.4 Methods for the determination of the calibration coefficient 226.5 Special considerations for area dosemete

26、rs (area survey meters) .256.6 Special considerations for personal dosemeters .267 Uncertainty 8 Certificates Annex A (normative) List of reference conditions and standard test conditions .31Annex B (normative) Description of the calibration coefficient 32Bibliography .34BS ISO 29661:2012+A1:2015ISO

27、 29661:2012+A1:2015 (E)3030BS EN ISO 29661:2017ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each mem

28、ber body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International El

29、ectrotechnical Commission (IEC) on all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draft International Standards adopt

30、ed by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

31、 rights. ISO shall not be held responsible for identifying any or all such patent rights.ISO 29661 was prepared by Technical Committee ISO/TC 85, Nuclear energy, nuclear technologies, and radiological protection, Subcommittee SC 2, Radiological protection.iv ISO 2012 All rights reservedBS ISO 29661:

32、2012+A1:2015 ISO 29661:2012+A1:2015 (E) BS EN ISO 29661:2017IntroductionInternational Standards ISO 4037, ISO 6980, ISO 8529 and ISO 127891.12, with focus on photon, beta and neutron reference radiation fields, are each divided into several parts: one part gives the methods of production and charact

33、erization of reference radiation fields, and others describe the dosimetry of the reference radiation qualities and the procedures for calibrating and determining the response of dosemeters and doserate meters in terms of the operational quantities of the International Commission on Radiation Units

34、and Measurements (ICRU)25 26 27 28 31.The subject of these four International Standards is the same; they differ only in the kind of radiation each addresses. Their terms and definitions, and most of the descriptions of methods and procedures given are basically the same whatever the radiation. Neve

35、rtheless, they do differ, more or less, from one to the other in detail. This International Standard brings together terms and definitions and fundamental concepts common to all of them. Thus, it serves to harmonize International Standards on radiation protection.Besides definitions relating to cali

36、bration primary quantities, the operational quantities for area and individual monitoring are specified. For area monitoring, the operational quantities are ambient dose equivalent, H*(10), directional dose equivalents, H(0,07, ) and H(3,), and the appropriate dose rates. For individual monitoring u

37、sing personal dosemeters, the dose equivalent quantities, Hp(10), Hp(0,07) and Hp(3), and the respective dose rates are available. The method used to represent these operational quantities is the following. First, a basic (primary) quantity, such as air kerma free-in-air, fluence or absorbed dose to

38、 soft tissue, is measured. Then the appropriate operational quantity is derived by the application of the conversion coefficient that relates the basic (primary) quantity to the selected operational quantity. The procedure for the calibration and the determination of the response of radiation protec

39、tion dosemeters is described in general terms. Depending on the type of dosemeter under test, the position of the reference point is specified differently and the irradiation is either carried out on a phantom (for personal dosemeters) or free in air (for area dosemeters or area survey meters).With

40、the publication of this International Standard, it is intended that ISO 4037, ISO 6980, ISO 8529 and ISO 12789 be revised successively for further harmonization since, among other aspects, certain of their definitions differ from those published here and the symbols chosen for this International Sta

41、ndard are more consistent with ICRU reports and other International Standards used for radiation protection purposes. ISO 2012 All rights reserved vBS ISO 29661:2012+A1:2015ISO 29661:2012+A1:2015 (E)BS EN ISO 29661:2017Reference radiation fields for radiation protection Definitions and fundamental c

42、oncepts1 ScopeThis International Standard defines terms and fundamental concepts for the calibration of dosemeters and equipment used for the radiation protection dosimetry of external radiation in particular, for beta, neutron and photon radiation. It defines the measurement quantities for radiatio

43、n protection dosemeters and doserate meters and gives recommendations for establishing these quantities. For individual monitoring, it covers whole body and extremity dosemeters (including those for the skin and the eye lens), and for area monitoring, portable and installed dosemeters. Guidelines ar

44、e given for the calibration of dosemeters and doserate meters used for individual and area monitoring in reference radiation fields. Recommendations are made for the position of the reference point and the phantom to be used for personal dosemeters. This International Standard also deals with the de

45、termination of the response as a function of radiation quality and angle of radiation incidence.It is intended to be used by calibration laboratories and manufacturers.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated reference

46、s, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO/IEC Guide 98-3:2008, Uncertainty of measurement Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)ISO/IEC 17025:2005, General requirem

47、ents for the competence of testing and calibration laboratories. Corrected by ISO/IEC 17025:2005/Cor 1:20063 Terms and definitionsFor the purposes of this document, the following terms and definitions apply.NOTE These terms and definitions are relevant for the calibration of dosemeters and for the q

48、uantities and conversion coefficients that are general to ISO 4037, ISO 6980, ISO 8529 and ISO 12789. Special terms and definitions can be found in those International Standards.3.1 General3.1.1angle of radiation incidenceangle, in the coordinate system of the dosemeter, between the direction of rad

49、iation incidence and the reference direction of the dosemeter in unidirectional fields3.1.2area dosemeterarea survey metermeter designed to measure the ambient dose equivalent (rate) or the directional dose equivalent (rate)SOURCE: IEV 394-22-08, modified.INTERNATIONAL STANDARD ISO 2012 All rights reserved 1BS ISO 29661:2012+A1:2015 ISO 29661:2012+A1:2015 (E)BS EN ISO 29661:20173.1.3background indicationindication obtained from a phenomenon, body or substance similar to the one under investigation, but for which a quantit

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