EN ISO 21645:2021

Solid recovered fuels - Methods for sampling (ISO 21645:2021)

This document specifies methods for taking samples of solid recovered fuels for example from production plants, from deliveries or from stock. It includes manual and mechanical methods.
It is not applicable to solid recovered fuels that are formed by liquid or sludge, but it includes dewatered sludge.

Feste Sekundärbrennstoffe - Verfahren zur Probenahme (ISO 21645:2021)

Dieses Dokument legt Verfahren zur Entnahme von Proben von festen Sekundärbrennstoffen, z. B. aus Produktionsanlagen, Lieferungen oder Lagervorräten, fest. Eingeschlossen sind sowohl manuelle als auch mechanische Verfahren.
Es ist nicht anzuwenden für feste Sekundärbrennstoffe, die durch Flüssigkeiten oder Schlamm gebildet werden, es schließt jedoch entwässerten Schlamm ein.

Combustibles solides de récupération - Méthodes d'échantillonnage (ISO 21645:2021)

Le présent document spécifie les méthodes de prélèvement d'échantillons de combustibles solides de récupération dans les usines de production, lors des livraisons ou dans les stocks. Il inclut des méthodes manuelles et mécaniques.
Le présent document n'est pas applicable aux combustibles solides de récupération formés par des liquides ou des boues, mais il inclut la boue déshydratée.

Trdna alternativna goriva - Metode za vzorčenje (ISO 21645:2021)

General Information

• Status: Published
• Publication Date: 06-Apr-2021
• Withdrawal Date: 30-Oct-2021
• ICS: 75.160.10 - Solid fuels
• Technical Committee: CEN/TC 343 - Solid Recovered Fuels
• Drafting Committee: CEN/TC 343/WG 3 - Sampling, sample reduction and supplementary test methods
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 07-Apr-2021
• Completion Date: 07-Apr-2021
• Ref Project: SIST EN ISO 21645:2021 - Solid recovered fuels - Methods for sampling (ISO 21645:2021)

Relations

• Replaces: EN 15442:2011 - Solid recovered fuels - Methods for sampling
• Effective Date: 05-Dec-2018

Standards Content (Sample)

SLOVENSKI STANDARD
01-junij-2021
Nadomešča:
SIST EN 15442:2011
Trdna alternativna goriva - Metode za vzorčenje (ISO 21645:2021)
Solid recovered fuels - Methods for sampling (ISO 21645:2021)
Feste Sekundärbrennstoffe - Verfahren zur Probenahme (ISO 21645:2021)
Combustibles solides de récupération - Méthodes d'échantillonnage (ISO 21645:2021)
Ta slovenski standard je istoveten z: EN ISO 21645:2021
ICS:
75.160.10 Trda goriva Solid fuels
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 21645
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2021
EUROPÄISCHE NORM
ICS 75.160.10 Supersedes EN 15442:2011
English Version
Solid recovered fuels - Methods for sampling (ISO
21645:2021)
Combustibles solides de récupération - Méthodes Feste Sekundärbrennstoffe - Verfahren zur
d'échantillonnage (ISO 21645:2021) Probenahme (ISO 21645:2021)
This European Standard was approved by CEN on 23 February 2021.

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, Turkey 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
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 21645:2021 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 21645:2021) has been prepared by Technical Committee ISO/TC 300 "Solid
recovered materials, including solid recovered fuels" in collaboration with Technical Committee
CEN/TC 343 “Solid Recovered Fuels” the secretariat of which is held by SFS.
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 October 2021, and conflicting national standards shall
be withdrawn at the latest by October 2021.
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.
This document supersedes EN 15442:2011.
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, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 21645:2021 has been approved by CEN as EN ISO 21645:2021 without any modification.

INTERNATIONAL ISO
STANDARD 21645
First edition
2021-03
Solid recovered fuels — Methods for
sampling
Combustibles solides de récupération — Méthodes d'échantillonnage
Reference number
ISO 21645:2021(E)
©
ISO 2021
ISO 21645:2021(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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii © ISO 2021 – All rights reserved

ISO 21645:2021(E)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Symbols . 7
5 Principle . 8
6 Development of a sampling plan. 8
6.1 Principle . 8
6.2 Definition of overall objectives. 9
6.3 Definition of a lot and determining lot size . 9
6.3.1 General. 9
6.3.2 Definition of a lot in case of sampling from a material flow .10
6.3.3 Definition of a lot in case of transport by a vehicle .10
6.3.4 Definition of a lot in case of transport by ship .10
6.3.5 Definition of a lot in case of sampling from a static lot .10
6.4 Determination of the sampling procedure.10
6.5 Determination of the number of increments .11
6.6 Determination of minimum sample mass .11
6.7 Determination of the minimum increment mass .11
6.7.1 Determination of minimum increment mass for material flows.11
6.7.2 Determination of the minimum increment mass for static lots, vehicles or
ships .11
6.8 Determination of the planned increment and planned sample amounts .11
6.9 Selection of distribution of increments over a lot .12
6.9.1 General.12
6.9.2 Determination of the distribution of the increments when sampling from
a material flow .12
6.9.3 Determination of the distribution of the increments when sampling from
a vehicle(s) .12
6.9.4 Implementation of sampling from a static lot .13
6.10 Sampling equipment and implements .14
7 Implementation of the sampling plan .14
7.1 Steps before actual sampling .14
7.2 Steps during sampling .14
7.3 Steps after sampling .14
8 Handling and storage of samples .15
9 Precision .15
Annex A (normative) Procedure for the development of a sampling plan .16
Annex B (normative) Sampling plan .19
Annex C (informative) Example of a sampling plan .23
Annex D (normative) Sampling equipment and implements .28
Annex E (normative) Determination of minimum sample mass .33
Annex F (normative) Determination of increment mass for sampling from material flows .38
Annex G (normative) Determination of increment mass for sampling from static lots,
vehicles or ships .41
Annex H (normative) Implementation of sampling plan from a material flow .42
ISO 21645:2021(E)
Annex I (normative) Implementation of the sampling plan from a static lot or vehicle .46
Annex J (normative) Minimum sample mass required for analysis .48
Annex K (informative) Additional information about precision .51
Annex L (informative) Examples for stratified and stratified random sampling .54
Bibliography .56
iv © ISO 2021 – All rights reserved

ISO 21645:2021(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
through ISO technical committees. Each member body interested in a subject for which a technical
committe
...