Potential from the liquid remaining in the cans of flammable vapor. Is feared to spread to the surrounding combustibles flammable vapor ignition on contact with the fire.
Flammable vapors from the liquids remaining in the cans may have occurred. There is a possibility that the flammable vapor is spread of fire to combustible materials around by fire when exposed to an ignition source.
In the remaining from flammable liquid and the possibility of generating steam. There is fear of spreading combustibles around the fire and flammable vapor contact with ignition source.