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NFPA 269, Standard Test Method for Developing Toxic Potency Data for Use in Fire Hazard Modeling

2022 NFPA 269 Standard - Current Edition
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  • Description

    Reference the 2022 edition of NFPA 269 for the latest knowledge and procedures for testing products and materials to determine their lethal toxic potency when ignited.

    Combustible material and products inevitably produce toxic smoke when on fire. NFPA 269, Standard Test Method for Developing Toxic Potency Data for Use in Fire Hazard Modeling, provides a standard approach to developing data for use in toxic hazard modeling to help protect people from toxic smoke.

    The standard is your guide for performing tests to measure the lethal toxic potency of combustion products produced from a material or product ignited resulting from radiant flux exposure. The data collected include the quantification of toxicity of the smoke, which is valuable in determining whether the detected toxicity is associated with the primary toxicants.

    NFPA 269 topics and criteria include:

    • Summary of test methods
    • Test apparatus
    • Hazards and safety precautions
    • Material test specimens and conditioning
    • Equipment and temperature controller calibration
    • General procedures and test preparations
    • Calculations, analysis, and reporting
    • Expert commentary, references, and explanatory materials

    Help reduce toxic smoke hazards by following the processes outlined in NFPA 269, Standard Test Method for Developing Toxic Potency Data for Use in Fire Hazard Modeling, 2022 edition.

    This important fire and life safety standard offers the most current and reliable criteria for testing materials for toxic potency and data collection for fire hazard modeling. The standard also may assist in the research and development of materials and products. Originally derived from work completed by the National Institute of Standards and Technology (NIST), the changes to the 2022 edition include updated annex material.

    NFPA® is your source for the resources you and your team need to help improve fire safety and perform your work to a higher standard.

    Get your information from the organization that helps develop and publish the codes and standards. Place an order today for the 2022 edition of NFPA 269, Standard Test Method for Developing Toxic Potency Data for Use in Fire Hazard Modeling. (Print, 28 pp., 2022)

  • Table of Contents (2022 Current Edition)

    NFPA® 269 Standard Test Method for Developing Toxic Potency Data for Use in Fire Hazard Modeling, 2022 Edition

    , Chapter 1 Administration
    1.1 Scope.
    1.2 Purpose.
    Chapter 2 Referenced Publications
    2.1 General.
    2.2 NFPA Publications. (Reserved)
    2.3 Other Publications.
    2.4 References for Extracts in Mandatory Sections. (Reserved)
    Chapter 3 Definitions
    3.1 General.
    3.2 NFPA Official Definitions.
    3.3 General Definitions.
    Chapter 4 Test Method
    4.1 Summary of Test Method.
    Chapter 5 Test Apparatus
    5.1 Effluent Collection and Animal Exposure Chamber.
    5.2 Chimney.
    5.3 Smoke Shutter.
    5.4 Combustion Cell.
    5.5 Radiant Heaters.
    5.6 Temperature Controller.
    5.7 Heat Flux Meter.
    5.8 Igniter.
    5.9 Specimen Holder.
    5.10 Load Cell.
    5.11 Gas Sampling.
    5.12 Data Collection.
    5.13 Animal Restrainers.
    Chapter 6 Hazards
    6.1 Safety Precautions.
    6.2 Venting System for Exposure Chamber.
    Chapter 7 Material Test Specimens
    7.1 Test Specimens.
    7.2 Conditioning.
    Chapter 8 Test Animals
    8.1 Test Animal Specifications.
    8.2 Maintenance and Care.
    8.3 Quarantine Period.
    8.4 Housing.
    8.5 Weighing.
    8.6 Exposure.
    8.7 After Testing.
    Chapter 9 Equipment Calibration
    9.1 Calibration of the Apparatus.
    9.2 Heat Flux Calibration.
    9.3 Gas Analyzer Calibration.
    9.4 Load Cell Calibration.
    9.5 Calibration of the Temperature Controller.
    Chapter 10 Procedures
    10.1 General.
    10.2 Preparation for Tests.
    10.3 Test Procedure.
    Chapter 11 Calculation
    11.1 General.
    11.2 Equations.
    Chapter 12 Analysis
    12.1 Report.
    12.2 Gas Analysis Data.
    12.3 Calculations.
    12.4 Best Overall Predicted LC?50 Value.
    12.5 Report.
    Annex A Explanatory Material
    Annex B Commentary
    Annex C Precision and Bias
    Annex D Informational References
  • Prior Editions

    2017 Edition

     

    Protect people from toxic smoke by testing materials using the method presented in the 2017 edition of NFPA 269.

    NFPA 269, Standard Test Method for Developing Toxic Potency Data for Use in Fire Hazard Modeling provides a means for assessing the lethal toxic potency of combustion products produced from a material or product ignited when exposed to a radiant flux. The test method provides toxic potency data on materials and products (including composites) for use in fire hazard analysis as well as product research and development.

    NFPA 269 presents information on:

    • Test method
    • Test apparatus
    • Hazards
    • Equipment calibration
    • Calculation
    • Analysis
    • Precision and bias

    This edition:

    • Clarifies the use of animal check tests in the reporting section, as revised in a TIA.
    • Revises power supply for the spark ignition figure in Chapter 5.
    • Features updated references throughout.

    Vital for the development of data for use in toxic hazard modeling, NFPA 269 is essential for testing laboratories and manufacturers. (22 pp., 2017)

    2012 Edition

     

    Protect people from toxic smoke by testing materials using the method presented in the 2012 NFPA 269.

    Vital for the development of data for use in toxic hazard modeling, NFPA 269: Standard Test Method for Developing Toxic Potency Data for Use in Fire Hazard Modeling provides a means for assessing the lethal toxic potency of combustion products produced from a material or product ignited when exposed to a radiant flux. The test method provides toxic potency data on materials and products (including composites) for use in fire hazard analysis as well as product research and development.

    Revised to include updated references, the 2012 NFPA 269 includes information on:

    • Test method
    • Test apparatus
    • Hazards
    • Equipment calibration
    • Calculation
    • Analysis
    • Precision and bias

    Essential for testing laboratories and manufacturers. (Approx. 19 pp., 2012)

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