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Article: OSHA publishes final Hexavalent Chromium Standard in three versions.(North America)
- Article from:
- Modern Casting
- Article date:
- June 1, 2006
CopyrightCOPYRIGHT 2006 American Foundry Society, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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OSHA published the final Hexavalent Chromium [Cr(VI)] Standard in three version--General Industry (1910.1026), Construction (1926.1126) and Shipyards (1915.1026). The requirements of each standard are very similar.
Chromium is a metal used as a pigment in paints, inks, plastics and as an anti-corrosion agent in protective coatings and in chrome plating. Chromium occurs mainly in three forms:
* Metallic Chromium (CrO)--a steel gray solid with a high melting point used to make steel and other alloys.
* Trivalent Chromium (CrIII)--a naturally occurring element used industrially for brick linings in high temperature furnaces and to make metals, ...