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SLOVENSKI STANDARD
01-marec-2023
Nadzorovanje radioaktivnih plinov v iztokih iz obratov, ki proizvajajo radionuklide
in radiofarmacevtske izdelke, ki oddajajo pozitrone (ISO 16640:2021)
Monitoring radioactive gases in effluents from facilities producing positron emitting
radionuclides and radiopharmaceuticals (ISO 16640:2021)
Surveillance des gaz radioactifs dans les effluents des installations produisant des
radionucléides et des produits radiopharmaceutiques émetteurs de positrons (ISO
16640:2021)
Ta slovenski standard je istoveten z: EN ISO 16640:2022
ICS:
13.030.30 Posebni odpadki Special wastes
13.060.25 Voda za industrijsko uporabo Water for industrial use
13.280 Varstvo pred sevanjem Radiation protection
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 16640
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2022
EUROPÄISCHE NORM
ICS 13.030.30; 13.280
English Version
Monitoring radioactive gases in effluents from facilities
producing positron emitting radionuclides and
radiopharmaceuticals (ISO 16640:2021)
Surveillance des gaz radioactifs dans les effluents des
installations produisant des radionucléides et des
produits radiopharmaceutiques émetteurs de
positrons (ISO 16640:2021)
This European Standard was approved by CEN on 18 December 2022.
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 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 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, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 16640:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
The text of ISO 16640:2021 has been prepared by Technical Committee ISO/TC 85 "Nuclear energy,
nuclear technologies, and radiological protection” of the International Organization for Standardization
(ISO) and has been taken over as EN ISO 16640:2022 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 text or by endorsement, at the latest by June 2023, and conflicting national standards shall be
withdrawn at the latest by June 2023.
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 identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
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, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 16640:2021 has been approved by CEN as EN ISO 16640:2022 without any modification.
INTERNATIONAL ISO
STANDARD 16640
First edition
2021-01
Monitoring radioactive gases in
effluents from facilities producing
positron emitting radionuclides and
radiopharmaceuticals
Surveillance des gaz radioactifs dans les effluents des installations
produisant des radionucléides et des produits radiopharmaceutiques
émetteurs de positrons
Reference number
ISO 16640:2021(E)
©
ISO 2021
ISO 16640:2021(E)
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior 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
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Phone: +41 22 749 01 11
Email: [email protected]
Website: www.iso.org
Published in Switzerland
ii © ISO 2021 – All rights reserved
ISO 16640:2021(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols . 8
5 Factors impacting the design of the monitoring system .11
6 Types of monitoring systems .11
7 General monitoring system requirements .12
7.1 General .12
7.2 Detection range .12
7.3 Detector location .12
7.3.1 Background.12
7.3.2 Ease of accessibility for maintenance .13
7.3.3 Environmental conditions .13
7.4 Emission stream flow measurement .13
8 Requirements specific to bypass systems .13
8.1 General .13
8.2 Sample extraction locations .13
8.3 Condensation .14
8.4 Maintenance .14
8.5 Leak checks .15
9 Requirements specific to in-line systems .15
9.1 General .15
9.2 Location of the probe or detector .15
9.3 Environmental conditions .15
10 Evaluation and upgrading of existing systems .15
11 Quality assurance and quality control .16
Annex A (informative) Factors impacting the monitoring system design .18
Annex B (informative) Evaluating uncertainty of effluent measurement .31
Annex C (informative) Quality assurance .41
Annex D (informative) Mixing demonstration and sampling system performance verification .45
Annex E (informative) Techniques for measurement of flow rate through a stack or duct .49
Bibliography .51
ISO 16640:2021(E)
Foreword
ISO (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
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ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
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described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
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This document was prepared by Technical Committee ISO/TC 85, Nucle
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