The Vapor Density comparisons are only valid when the fuel escaping is at a similar temperature as the surrounding air alone. If the chemical is escaping from a container where it had been pressurized or refrigerated, it may 1st escape and behave to be a significant gasoline and sink inside https://emilianoqomgz.yomoblog.com/35995267/the-basic-principles-of-potassium-cyanide-poisoning-cases