Abstract
To assess the contamination of polycyclic aromatic hydrocarbons (PAHs) in the marine environment of Korea, 117 sediment samples along the coast were collected and analyzed. This study provides perspectives on concentration ranges and on geographic distributions of PAHs. Sum of 16 PAHs concentrations are in the range of 8.80-18500 ng/g dry weight. Industrialized and urbanized region showed high level of PAHs contamination. When compared with nationwide monitoring results of USA and UK, concentration of total PAHs are in the order of UK>US>this study. Major PAHs sources inferred from diagnostic indices and statistical approach were both pyrogenic and petrogenic. In coastal and offshore sediments of Korea, 7.76% sites had a mean PAH ERL quotient >1.0, indicating the potential to cause adverse effects in sensitive species. Youngil Bay was recognized as highly contaminated with PAHs, and recommended to be managed with special plan.
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