http://www.naturalnews.com/005900.html > To make matters even worse, it's not that municipalities are actually dripping genuine fluoride into the water supplies in the first place -- they're largely using fluorosilicic acid, which, as I've covered before, is actually a toxic waste product produced in the smokestacks of various industrial chemical producers. If they weren't selling this substance to cities, they would have to pay a lot of money to have it handled as an environmental hazard and buried in EPA-approved landfills.