Abstract
In light of the recent discoveries of trace element-induced chronic injuries to humans and the possibility of trace element bioaccumulation in food chains, the extent of trace metal contamination in soils and vegetation caused by atmospheric deposition was assessed. Anthropogenic trace element sources considered are industrial metal processing emissions and coal-fired electric power generation emissions in the western U.S. The deposition of airborne trace elements on vegetation and soil in industrial, commercial, and residential areas of the West has not resulted in measurable symptoms of phytotoxicity. Efficient stack emission control devices can control trace element contamination of soil and vegetation. (25 references, 9 tables)
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