Archive description
Numerous investigations have been conducted at department of energy (doe) facilities in paducah, kentucky, and oak ridge, tennessee, to determine the environmental effects of cooling tower drift and the effects of a specific drift toxicant on biological systems. The results of these investigations provided the first quantitative evidence of the transport of chromium in cooling tower drift to vegetation in the surrounding area, illustrated that most of the drift fell within doe properties, and provided evidence for potential adverse biological effects in plants. Additional studies investigated the transfer of drift constituents along food chains and horizontal and vertical movement of drift chemicals in soils by moisture flow. Experiments simulating drift provided estimates of fractional interception and retention times of drift on plants with diverse foliage (grasses, pine, broadleaf plants). This review provides condensed summaries of several ecological studies; although the studies are site specific, the results have generic application in monitoring design, sample collection, and assessment of drift effects at other sites.
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