More on follow the money Environmental Injustice – The Economics of Water Fluoridation: A Snapshot – by J. William Hirzy Outline In 2011, the phosphate industry in the U.S. reported sales of hydrofluorosilicic acid (HFSA) for water fluoridation of 65,900 tons of 100% assay acid. Let us assume this volume of HFSA is sold […]