https://link.springer.com/article/10.1007/s10694-013-0380-3
The Propensity of Lit Cigarettes to Ignite Gasoline Vapors
Howard A. Marcus & Justin A. Geiman
Fire Technology volume 50, pages 1391–1412 (2014)
Abstract
Fire investigators regularly evaluate available fuels and potential ignition sources to determine the cause of a fire. This work examined the propensity of lit cigarettes to ignite gasoline vapors, expanding on previous work to include a large number of trials and a wide range of test conditions. Experiments were conducted exposing lit cigarettes, both at idle and under draw, to gasoline vapors in various configurations including pools/pans of gasoline, gasoline on textile substrates (clothing), and sprays of gasoline. Five major brands of commercially-manufactured tobacco cigarettes were tested.
The experiments conducted for this study consisted of 70 distinct tests involving a total of 723 cigarettes and over 4,500 instances of exposure of a lit cigarette to ignitable concentrations of gasoline vapor in air. There were no instances of the ignition of gasoline vapors from the exposure of those vapors to a lit tobacco cigarette during any of the experiments.
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