Abstract
ABSTRACT Sediment and freshwater mussel tissues were used to evaluate distribution and bioaccumulation of polynuclear (polycyclic) aromatic hydrocarbon (PAH) compounds in the lowermost Tennessee River and Kentucky Lake. The target analytes included naphthalene, phenanthrene, anthracene, benzo[b]fluoranthene, benzo[k]fluoranthene, benz[a]pyrene, and benzo[g,h,i]perylene. Surface sediments (0–5 cm depth) from four locations in lowermost Tennessee River and five locations in Kentucky Lake were analyzed for target PAH compounds to determine spatial distributions. A sediment core from Ledbetter embayment in Kentucky Lake was analyzed to describe vertical distributions of the compounds. Freshwater mussels (Unionidae) collected from the lowermost Tennessee River and Kentucky Lake were analyzed and examined for bioaccumulation. PAH compounds were detected in all sediments and mussel tissues. PAH concentrations ranged from 0.01 (detection limit) to 90.4 ng/g dry wt in sediments and 0.02 (detection limit) to 223 ng...
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