Chromium is a naturally occurring element that primarily exists in three states Chromium-0, Chromium III and Chromium VI (Hexavalent Chromium). Chromium-0 is metallic and is used in the production of steel. Chromium III readily forms many different compounds and is an essential human dietary element. However it is Chromium VI that is the most hazardous form of the element. Hexavalent chromium, Cr(VI), exists in ground water as