한빛사 논문
Abstract
Yoonyoung Ana, Seongjin Honga,*, Seo Joon Yoonb, Jihyun Chaa, Kyung-Hoon Shinc, Jong Seong Khimb
aDepartment of Ocean Environmental Sciences, Chungnam National University, Daejeon 34134, Republic of Korea
bSchool of Earth and Environmental Sciences & Research Institute of Oceanography, Seoul National University, Seoul 08826, Republic of Korea
cDepartment of Marine Science and Convergence Engineering, Hanyang University, Ansan 15588, Republic of Korea
*Corresponding author
Abstract
Contamination status of traditional and emerging persistent toxic substances (PTSs) in sediments and their major sources were investigated in Ulsan Bay, Korea. A total of 47 PTSs, including 15 traditional PAHs, ten styrene oligomers (SOs), six alkylphenols (APs), and 16 emerging PAHs (E-PAHs) were analyzed. Concentrations of traditional PAHs, SOs, and APs ranged from 35 to 1300 ng g−1 dry weight (dw), 30 to 3800 ng g−1 dw, and 30 to 430 ng g−1 dw, respectively. For the last 20 years, PTSs contamination in the bay area has been improved. However, 12 E-PAHs were widely detected in sediments, with a maximum of 240 ng g−1 dw (for benzo[e]pyrene) at the creek site. These E-PAHs seemed to originate from surrounding activities, such as biomass combustion, mobile sources, and diesel combustion. Due to environmental concerns for E-PAHs, further research on the potential toxicity, distribution, and behavior of these compounds should be implemented.
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