The LFL for gasoline is 1.3 vol. % gasoline vapor in air. What evaporation rate of gasoline

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The LFL for gasoline is 1.3 vol. \% gasoline vapor in air. What evaporation rate of gasoline vapor (in \(\mathrm{kg} / \mathrm{s}\) ) will result in a downwind concentration of one-fourth of the LFL at \(0.1 \mathrm{~km}\) directly downwind from the release?

Assume:
Worst-case stability conditions \(1 \mathrm{~atm}\) and \(25^{\circ} \mathrm{C}\) ambient conditions The same physical properties for gasoline provided in Problem 6-11

Data From Problem 6-11:

Assume \(1 \mathrm{~atm}\) and \(25^{\circ} \mathrm{C}\) ambient conditions.

Assume that the gasoline is mostly octane \(\left(\mathrm{C}_{8} \mathrm{H}_{18}ight)\) and has the following properties:

Molecular weight of gasoline vapor: 72
Gasoline liquid specific gravity: 0.72
Lower heating value of gasoline: \(44 \mathrm{MJ} / \mathrm{kg}\)

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