Abstract

This preliminary survey comprises a collection of fluoride concentration data for air, water, soil, vegetation and marine samples obtained both specifically for this paper, and from the hitherto unpublished results of others, in the vicinity of a large aluminum smelter operating at the head of Kitimat Arm, a typical Canadian west coast fjord with high rainfall. The significance of the fluoride distribution and dispersion processes derived from this data matrix and from special leaching tests using water, dilute acids, and aqueous sodium bicarbonate is considered in the light of prevailing temperature, wind and precipitation patterns with regard to the plant, animal, and marine life of the area. The most recent data available are further related to the time of complete installation of dry scrubber emission control devices to determine how ambient air, water, soil, and vegetation concentrations may be responding to the reduced air and water mass emissions rates.

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