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Article: Chromium in biological samples from low-level exposed stainless steel and mild steel welders.
- Article from:
- Archives of Environmental Health
- Article date:
- July 1, 1991
- Author:
CopyrightCOPYRIGHT 1991 Heldref Publications. 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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OCCUPATIONAL EXPOSURE to hexavalent chromium is of concern because of its mutagenic and carcinogenic actions. [1,2] Welding of stainless less (SS) with the manual metal arc (MMA) method may be associated with substantial pulmonal absorption and urinary excretion of chromium. [3-7] The emission of hexavalent chromium at tungsten inert gas (TIG) SS and mild-steel (MS) welding is much lower compared with MMA/SS welding. (Stainless stell is an alloy of iron, nickel, and chromium. Mild steel is an alloy of iron, carbon, and silicon.) Knowledge of the magnitude of internal exposure to chromium associated with TIG/SS and MS welding is, however, very limited. Two studies ...