By National Research Council, Division on Earth and Life Studies, Commission on Life Sciences, Board on Environmental Studies and Toxicology, Committee on Fire Toxicology
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Extra info for Fire and Smoke: Understanding the Hazards
Please use the print version of this publication as the authoritative version for attribution. STATUS OF FIRE HAZARD MODELS AND TEST METHODS 47 • Characteristics of smoke (if a smoke detector is assumed). Either a smoke detector (more sensitive) or a heat detector (less prone to false alarm) might be used. 1 m) from the fire axis. Assume that the fire is following a parabolic (t2) growth law, reaching 1 MW in 10 min, that the combustible material produces a type of smoke easily detectable by the detector used, and that the detector is designed to have very little resistance to smoke entry.
Please use the print version of this publication as the authoritative version for attribution. 35 content over 50%. bCarboxyhemoglobin THE CONTEMPORARY FIRE ENVIRONMENT Findings like those just described, combined with a growing public awareness of the toxic hazards associated with fire, have led to the belief that today's fires produce combustion products that are more toxic than the fires of 30 or 40 years ago. Some assume that the increased presence of synthetic materials in the built environment causes fires to burn hotter and faster and to produce more toxic smoke than ever before.
Page breaks are true to the original; line lengths, word breaks, heading styles, and other typesetting-specific formatting, however, cannot be retained, and some typographic errors may have been accidentally inserted. Please use the print version of this publication as the authoritative version for attribution. A PRIMER ON FIRE AND FIRE HAZARD* 24 FIGURE 2-1 Schematic of burning fuel surface. The important transport processes in a diffusion flame are shown in Figure 2-1. Fuel vapor is produced when heat from the flame radiates back to the fuel surface.