73-11: Effective Phosphate/Phosphonate Treatments Replace Chromate-Based

Public awareness of environmental standards has grown enormously in recent years. Legislation has been tailored to ban the discharge of toxic materials into streams and water ways. Such legislation has resulted in the steady de-emphasis of chromate-based treatments in favor of more environmentally safe programs. One that has received wide spread acceptance is a phosphate/phosphonate treatment through laboratory and filed data.