Heavy metals, Road drainage, Water quality
A trace metal speciation scheme proposed by Batley and Florence (1976) was applied to determine the physiochemical forms of zinc, cadmium, lead, and copper in two Central Florida highway drainage systems. The linearity and limitations of the ASV technique were also examined. The measurements showed that (a) more than 70% of the soluble Zn and Cd in all of the waters analyzed existed as liable ionic metal (b) lead was divided between labile and non-labile inorganic forms, but one particular form, PbCO3, predominated (c) a substantial fraction of copper is associated with organic colloids if humic substances are present. In addition a computerized chemical model for trace and major element speciation was applied to the waters in both drainage systems using measured average water quality for input parameters. A comparison between metal species measured by ASV and those predicted by the computer model are presented. There appears to be good agreement between the metal fractions measured in the water samples by ASV and those predicted by the chemical model.
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Yousef, Yousef A.
Master of Science (M.S.)
College of Engineering
Length of Campus-only Access
Masters Thesis (Open Access)
Wiseman, Lee P., "Speciation of Heavy Metals in Highway Drainage Systems" (1985). Retrospective Theses and Dissertations. 4793.