Laboratory Quantification of Emissions from Wildland-Urban Interface Fuels Using Fourier-Transform Infrared Spectroscopy.

ABSTRACT: Emissions from eight common wildland-urban interface (WUI) fuels were quantified using Fourier-transform infrared spectroscopy under varying oxygen concentrations (0, 14, 21%) and heat fluxes (25, 50 kW/m²). Emission factors for carbon monoxide (CO), carbon dioxide (CO₂), and other gaseous and particulate effluents varied significantly across these conditions. By implementing a new Toxicity Score method, polyvinyl chloride was identified as the most hazardous fuel, followed by asphalt shingles and vinyl plank flooring under smoldering conditions at 21% oxygen concentration. Hydrogen chloride was the dominant toxicant across all test conditions, while formaldehyde was a major contributor at 25 kW/m² and carbon monoxide became increasingly significant at 50 k

SUBMITTER: Wang S 

PROVIDER: S-EPMC12224315 | biostudies-literature | 2025 Jun

REPOSITORIES: biostudies-literature