Abstract
Abstract Lead, which has been identified as a constituent of automobile exhaust, was found associated with sediments in snow dump areas in Ottawa. Lead levels in these sediments were over an order of magnitude above those of uncontaminated sediments. Algae and aquatic plants exposed to these same lead contaminated sediments over a 2–4 month period were shown to have higher lead concentrations than those grown over control sediments. Evidence presented suggests that soluble lead was actively concentrated by, both the attached and free floating (planktonic) algae and, to a lesser extent, the higher aquatic plant Vallisneria americana.
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Schedule a callMore From: Journal of Environmental Science and Health . Part A: Environmental Science and Engineering
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