NFPA 269: Standard Test Method for Developing Toxic Potency Data for Use in Fire Hazard Modeling
Current Edition: 2012 Next Edition: 2017

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What is NFPA 269?
NFPA 269: Document Scope
1.1* Scope. 1.1.1 This test method is intended to provide a means for assessing the lethal toxic potency of combustion products produced from a material or product ignited when exposed to a radiant flux. 1.1.2 This test method has been designed to generate toxic potency data on materials and products (including composites) for use in fire hazard analysis. It is also permitted to be used to assist in the research and development of materials and products. 1.1.3 Lethal toxic potency values associated with 30-minute exposures are predicted using calculations that employ combustion atmospheric analytical data for carbon monoxide, carbon dioxide, oxygen (vitiation), and, if present, hydrogen cyanide, hydrogen chloride, and hydrogen bromide. The calculation method is therefore limited to those materials and products whose smoke toxicity can be attributed to these toxicants. 1.1.4 Specimens are exposed to a radiant heating flux with an electric spark ignition. 1.1.5 Specimens tested are representative of finished products, including composite and combination systems. 1.1.6 This standard is not intended to address all safety issues associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations (especially with regard to the institutional care and use of experimental test animals) prior to use. (For specific hazard requirements, see Section 6.1.)

This standard 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.

Official document scope
What does NFPA 269 address?

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.

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