ISO 13271:2012/Amd 1:2025

Stationary source emissions - Determination of PM10/PM2,5 mass concentration in flue gas - Measurement at higher concentrations by use of virtual impactors - Amendment 1

Émissions de sources fixes — Détermination de la concentration en masse de PM10/PM2,5 dans les effluents gazeux — Mesurage à des hautes concentrations à l'aide des impacteurs virtuels — Amendement 1

Emisije nepremičnih virov - Določanje masne koncentracije PM10/PM2,5 v odpadnem plinu - Meritve pri večjih koncentracijah z uporabo virtualnih impaktorjev - Dopolnilo A1

General Information

• Status: Published
• Publication Date: 21-May-2025
• ICS: 13.040.40 - Stationary source emissions
• Technical Committee: ISO/TC 146/SC 1 - Stationary source emissions
• Drafting Committee: ISO/TC 146/SC 1 - Stationary source emissions
• Current Stage: 6060 - International Standard published
• Start Date: 22-May-2025
• Due Date: 25-Sep-2025
• Completion Date: 22-May-2025
• Ref Project: SIST ISO 13271:2013/A1:2025 - Stationary source emissions - Determination of PM10/PM2,5 mass concentration in flue gas - Measurement at higher concentrations by use of virtual impactors - Amendment 1

Relations

• Amends: ISO 13271:2012 - Stationary source emissions - Determination of PM10/PM2,5 mass concentration in flue gas - Measurement at higher concentrations by use of virtual impactors
• Effective Date: 30-Sep-2023

Overview

ISO 13271:2012/Amd 1:2025 is Amendment 1 to ISO 13271:2012, the international standard for determining PM10 and PM2.5 mass concentrations in flue gas from stationary sources. The amendment updates terminology, corrects formulae and symbols, and refines equipment and measurement parameter specifications to improve accuracy when measuring higher particulate concentrations using virtual impactors.

Key topics and technical changes

• Scope refinement: replaces the term “high humidity” with “high water vapour” for greater precision in gas condition descriptions.
• Formula and notation corrections: multiple editorial fixes to symbols in Clause 6.4.3 and annexes (e.g., q, Vi, D0,i, St50,i) to ensure correct calculation inputs.
• Nozzle / hardware dimensions: effective nozzle diameter changed from 18 mm → 14 mm (Clauses 7.2.1 and Annex F).
• Instrument resolution: Annex F table corrected from 0.01 mg → 0.1 mg resolution.
• Annex and figure updates: updated separation-efficiency curves (Figure C.2 replacement), key value adjustments (e.g., 8.0 μm → 7.5 μm), and corrected key labels (<0 μm → <10 μm).
• Physical property clarifications: dynamic viscosities for CO2, O2, N2, air, and water vapour are specified “under standard conditions”; density ρ of constituent j is defined as under standard conditions (constant).
• References and editorial fixes: renumbering of references, spelling corrections (e.g., Davies’s), and other editorial corrections to ensure consistency.

Practical applications

• Stack and flue gas testing at power plants, industrial boilers, cement plants, waste incinerators and other stationary sources where particulate emissions can be high.
• Situations requiring measurement of PM10/PM2.5 at elevated concentrations where standard sampling trains may overload.
• Calibration and design guidance for multistage virtual impactors used to separate particle size fractions prior to gravimetric or real-time mass measurement.
• Supporting regulatory compliance testing, emission inventories, and performance verification of pollution control equipment.

Who should use this standard

• Environmental and air quality engineers performing stack emission measurements.
• Accredited testing laboratories and field technicians conducting PM10/PM2.5 sampling.
• Instrument and sampler manufacturers designing virtual impactors and multi-nozzle stages.
• Regulators and compliance officers establishing or reviewing high-concentration particulate testing protocols.

Related standards

• ISO 7708 (particle size fractions and terminology) - referenced in separation-efficiency context.
• ISO/TC 146, SC 1 (technical committee responsible for stationary source emissions).

Keywords: ISO 13271, PM10, PM2.5, virtual impactor, flue gas, stationary source emissions, amendment 2025, multistage virtual impactor, stack emissions monitoring.

Standards Content (Sample)

International
Standard
ISO 13271
First edition
Stationary source emissions —
2012-06-15
Determination of PM10/PM2,5
mass concentration in flue
AMENDMENT 1
gas — Measurement at higher
2025-05
concentrations by use of virtual
impactors
AMENDMENT 1
Émissions de sources fixes — Détermination de la concentration
en masse de PM10/PM2,5 dans les effluents gazeux — Mesurage
à des hautes concentrations à l'aide des impacteurs virtuels
AMENDEMENT 1
Reference number
ISO 13271:2012/Amd.1:2025(en) © ISO 2025

ISO 13271:2012/Amd.1:2025(en)
© ISO 2025
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 13271:2012/Amd.1:2025(en)
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 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 Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO document 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).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this document. However, implementers are cautioned that
this may not represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanat
...

SLOVENSKI STANDARD
01-september-2025
Emisije nepremičnih virov - Določanje masne koncentracije PM10/PM2,5 v
odpadnem plinu - Meritve pri večjih koncentracijah z uporabo virtualnih
impaktorjev - Dopolnilo A1
Stationary source emissions - Determination of PM10/PM2,5 mass concentration in flue
gas - Measurement at higher concentrations by use of virtual impactors - Amendment 1
Émissions de sources fixes - Détermination de la concentration en masse de
PM10/PM2,5 dans les effluents gazeux - Mesurage à des hautes concentrations à l'aide
des impacteurs virtuels - Amendement 1
Ta slovenski standard je istoveten z: ISO 13271:2012/Amd 1:2025
ICS:
13.040.40 Emisije nepremičnih virov Stationary source emissions
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

International
Standard
ISO 13271
First edition
Stationary source emissions —
2012-06-15
Determination of PM10/PM2,5
mass concentration in flue
AMENDMENT 1
gas — Measurement at higher
2025-05
concentrations by use of virtual
impactors
AMENDMENT 1
Émissions de sources fixes — Détermination de la concentration
en masse de PM10/PM2,5 dans les effluents gazeux — Mesurage
à des hautes concentrations à l'aide des impacteurs virtuels
AMENDEMENT 1
Reference number
ISO 13271:2012/Amd.1:2025(en) © ISO 2025

ISO 13271:2012/Amd.1:2025(en)
© ISO 2025
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 13271:2012/Amd.1:2025(en)
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 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 Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO document 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).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof
...