Hexavalent chromium [Cr(VI)] is described by the Occupational Safety and Health Administration (OSHA) as a toxic form of the element chromium. Hexavalent chromium compounds are usually man-made and are widely used in different industries. – – OSHA reports that chromium metal is added to alloy steel to increase hardenability and corrosion resistance. A major source of worker exposure to Cr(VI) occurs during “hot work”, such as welding on stainless steel and other alloy steels containing chro…
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