ISO 29904:2013/Amd 1:2026

Fire chemistry — Generation and measurement of aerosols — Amendment 1

Chimie de la combustion — Production et mesurage des aérosols — Amendement 1

General Information

• Status: Published
• Publication Date: 16-Apr-2026
• ICS: 13.220.01 - Protection against fire in general
• Technical Committee: ISO/TC 92/SC 3 - Fire threat to people and environment
• Drafting Committee: ISO/TC 92/SC 3/WG 2 - Fire chemistry
• Current Stage: 6060 - International Standard published
• Start Date: 17-Apr-2026
• Due Date: 09-Oct-2026
• Completion Date: 17-Apr-2026

Relations

• Amends: ISO 29904:2013 - Fire chemistry — Generation and measurement of aerosols
• Effective Date: 12-Oct-2024

Overview

ISO 29904:2013/PRF Amd 1 is an important amendment to the ISO standard focused on fire chemistry, specifically addressing the generation and measurement of aerosols. Managed by ISO/TC 92/SC 3, which deals with fire threat to people and the environment, this amendment supports standardized vocabulary and methods in fire safety research and testing.

The amendment’s core update replaces the use of the trademarked term "Engine Exhaust Particle Sizer (EEPS)" with the more technically appropriate and generic term "Electrical Aerosol Spectrometer (EAS)". This ensures clear, consistent, and non-branded terminology throughout the standard.

Key Topics

• Fire Chemistry: Understanding the chemical processes during combustion and the types of aerosols generated is fundamental for evaluating fire behavior and its impact.
• Aerosol Generation: Standardized procedures for producing aerosols in laboratory or test environments support comparability of results and enhance fire risk assessments.
• Aerosol Measurement: The adoption of the term "Electrical Aerosol Spectrometer (EAS)" provides a generic descriptor for specialized instruments that measure aerosol characteristics such as size distribution and concentration.
• Terminology Standardization: By removing proprietary references, the amendment ensures that the standard remains applicable and accessible across different regions and manufacturers.

Applications

The ISO 29904:2013/PRF Amd 1 amendment is especially relevant for professionals in fire safety engineering, laboratory research, and regulatory compliance, as well as industries focusing on:

• Fire Testing Laboratories: Consistent aerosol measurement procedures help determine fire behavior and smoke characteristics during testing.
• Product Development: Manufacturers of electrical and building materials use standardized aerosol measurement techniques for compliance and safety certification.
• Environmental Health: Assessing the emission and dispersion of aerosols during combustion informs studies on air quality and health impacts.
• Regulatory Compliance: Organizations align their fire testing and reporting procedures with international standards to meet safety and reporting requirements.

The shift from the trademarked "EEPS" to the generic "EAS" also facilitates international adoption and removes obstacles for organizations employing various measurement devices, fostering innovation and competition among laboratory equipment suppliers.

Related Standards

ISO 29904:2013/PRF Amd 1 aligns with and complements other internationally recognized fire safety and aerosol measurement standards, such as:

• ISO 29904:2013: The base standard detailing methodologies for the generation and measurement of aerosols in fire chemistry contexts.
• ISO/TC 92 Standards: Covering fire safety, fire detection, fire suppression, and related areas, supporting comprehensive fire risk management.
• ISO 12345 (example): Applicable standards covering similar laboratory measurement techniques for particles and aerosols.

By adhering to ISO 29904:2013/PRF Amd 1, organizations contribute to global consistency in fire chemistry research and fire safety compliance, ensuring scientifically sound results and enhanced public safety.

Keywords: ISO 29904, fire chemistry, aerosol generation, aerosol measurement, Electric Aerosol Spectrometer, fire testing standard, fire safety compliance.

Standards Content (Sample)

International
Standard
ISO 29904
First edition
Fire chemistry — Generation and
2013-09-01
measurement of aerosols
AMENDMENT 1
AMENDMENT 1
2026-04
Chimie de la combustion — Production et mesurage des aérosols
AMENDEMENT 1
Reference number
ISO 29904:2013/Amd.1:2026(en) © ISO 2026

ISO 29904:2013/Amd.1:2026(en)
© ISO 2026
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Published in Switzerland
ii
ISO 29904:2013/Amd.1:2026(en)
Foreword
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