NFPA 269 2022

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

Published By	Publication Date	Number of Pages
NFPA	2022

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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.

PDF Catalog

PDF Pages	PDF Title
8	Chapter 1 Administration 1.1 Scope. 1.2 Purpose.
9	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.
10	Chapter 5 Test Apparatus 5.1 Effluent Collection and Animal Exposure Chamber. 5.2 Chimney.
11	5.3 Smoke Shutter. 5.4 Combustion Cell.
12	5.5 Radiant Heaters. 5.6 Temperature Controller.
13	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.
15	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.
16	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.
17	Chapter 10 Procedures 10.1 General. 10.2 Preparation for Tests. 10.3 Test Procedure.
18	Chapter 11 Calculation 11.1 General. 11.2 Equations. Chapter 12 Analysis 12.1 Report. 12.2 Gas Analysis Data. 12.3 Calculations.
19	12.4 Best Overall Predicted LC50 Value. 12.5 Report. Annex A Explanatory Material
20	Annex B Commentary
23	Annex C Precision and Bias Annex D Informational References