No, its the same ol haphazard disposal of hazardous materials cheap capitalists default to, or just plain ignorance to danger.
Literally EVERY industry you dont bind by law will dump their poisons into whatever hole or large body of water they can get to, then pass the consequences and cost to the rest of the world.
Now that the reasonable part is out of the way.... Shut the fuck up you quip slinging idiot, at least be correct before being snarky. "Armchair physicists".... MF read a book.