What is hexavalent chromium used for?
The Cr (VI) compound chromic acid is used to electroplate chromium onto metal parts to provide a decorative or protective coating. Who is exposed to hexavalent chromium? Many workers in a variety of occupations are potentially exposed to Cr (VI) in the United States. Workplace exposures occur mainly in the following areas:
Which chemicals does EPA regulate under Section 6 of TSCA?
In addition, EPA is also authorized to regulate under section 6 of TSCA: Chemicals defined under section 6 (h) of TSCA. These are certain chemicals that meet the statutory criteria for persistent, bioaccumulative, and toxic chemicals as described in section 6 (h) (15 U.S.C. §2605). EPA identified five chemicals meeting these criteria.
Who is most likely to be exposed to hexavalent chromium (Cr (VI)?
Many workers in a variety of occupations are potentially exposed to Cr (VI) in the United States. Workplace exposures occur mainly in the following areas: Where is exposure to hexavalent chromium occurring?
Is hexavalent chromium harmful to workers?
Industrial processes that involve chromium can result in worker exposure to toxic hexavalent chromium. OSHA provides a publicly available Chemical Exposure Health Database which includes industrial hygiene sample results from OSHA inspections.
What is hexavalent chromium?
Overview. Hexavalent chromium [Cr (VI)] is one of the valence states (+6) of the element chromium. It is usually produced by an industrial process. Cr (VI) is known to cause cancer. In addition, it targets the respiratory system, kidneys, liver, skin and eyes.
Why is chromium added to steel?
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 chromium metal.