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Highlights

Hexavalent Chromium

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. 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. Cr(VI) compounds may be used as pigments in dyes, paints, inks, and plastics. It also may be used as an anticorrosive agent added to paints, primers, and other surface coatings. The Cr(VI) compound chromic acid is used to electroplate chromium onto metal parts to provide a decorative or protective coating. OSHA's Hexavalent Chromium Safety and Health Topics page provides information for workers and employers about how to reduce exposure to Hexavalent Chromium in the workplace.

Tornado Preparedness and Response

Tornadoes can occur with little or no warning. Taking precautions in advance of the storms, such as developing an emergency plan, learning the warning signs, and monitoring tornado watches and warnings, can help you stay safe if a tornado occurs in your area. OSHA's Tornado Preparedness and Response [versión en español] page is designed to help businesses and their employees prepare for tornadoes, and to provide information about hazards that workers may face in the aftermath of a tornado.

What's New

It is not possible to list all of the new entries that we are adding to each topic page. The following lists those subjects which are new or have recently been added to or significantly updated.

• Chromium. OSHA Safety and Health Topics Page, (2013, May).
  
  
• Hexavalent Chromium. OSHA Safety and Health Topics Page, (Updated May 2013).
  
  
• Toluene. OSHA Safety and Health Topics Page, (2013, April).
  
  
• Seasonal Flu en español (Influenza de Temporada). OSHA, (2013, March).
  
  
• Hydrogen Sulfide. OSHA Safety and Health Topics Page, (2013, February).
  
  
• Methylene Chloride Hazards for Bathtub Refinishers. OSHA Hazard Alert, (2013, January).
  
  
• Hazards of Operating Unguarded Stone Cutters and Splitters in Landscaping
  and Other Worksites. OSHA Safety and Health Information Bulletin, (2013, January).
  
  
• Winter Storms en español (Tormentas de invierno). OSHA, (2013, January).
  
  
• Diesel Exhaust/Diesel Particulate Matter. OSHA Hazard Alert, (2013, January).
  
  

Additional Information

• General Safety and Health References