Join Date: Sep 2006
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It is EXTREMELY difficult to rid a tank of gasoline, even if you flood it with water in the hope of it floating to the top. It will not rid the tank of all of it. I really don't have an answer and it will just kill you if the conditions are right for combustion. Perhaps you can flood it with CO2, maybe by dropping big lumps of dry ice in there, and plenty of it? Is CO2 denser than gasoline vapour? I know not. It would need to be for that idea to work.
Pls be careful, in Egypt a while back, three men were killed instantly welding an oil rig mud pit with diesel fumes in there. Yes, my friend diesel can turn nasty too, it seems.