You would really be amazed at what happens when a paint can full of water accidentally falls into a 200ton capacity electro-arc furnace @3000 degrees F. Seen it first hand at a steel mill, lets just say its "unpleasant".
He did use the terms ANY contaminate for both though and I think that is where it is causing the misinterpretation of his real point. That happens when you try to explain without getting too technical.
One that was heard for 12miles, it happens at the 90' elev. and it blew sections of the roof off at 140' elev.. It also completely dusted the entire plant all at once. Don't recall how many windows it blew out, more than a couple.