A Study on Prioritization of HNS Management in Korean Waters

해상 위험·유해물질(HNS) 관리 우선순위 선정에 관한 연구

Kim, Young Ryun;Kim, Tae Won;Son, Min Ho;Oh, Sangwoo;Lee, Moonjin

  • Received : 2015.12.04
  • Accepted : 2015.12.28
  • Published : 2015.12.31


The types of hazardous and noxious substances (HNS) being transported by sea in Korea are at about 6,000, HNS transport volume accounts for 19% of total tonnage shipped in Korea, and the increase rate of seaborne HNS trade in Korea is 2.5 times higher than the average increase rate of the world seaborne HNS trade. Reflecting this trend, HNS spill incidents have been frequently reported in Korean waters, and there are increasing social demands to develop HNS management technology for the preparedness, response, post-treatment and restoration in relation to HNS spill incidents at sea. In this study, a risk-based HNS prioritization system was developed and an HNS risk database was built with evaluation indices such as sea transport volume, physicochemical properties, toxicities, persistency, and bioaccumulation. Risk scores for human health and marine environments were calculated by multiplying scores for toxicity and exposure. The top-20 substances in the list of HNS were tabulated, and Aniline was ranked first place, but it needs to be managed not by individuals but by HNS groups with similar score levels. Limitations were identified in obtaining data of chronic toxicity and marine ecotoxicity due to lack of testing data. It is necessary to study on marine ecotoxicological test in the near future. Moreover, the priority list of HNS is expected to be utilized in the development of HNS management technology and the relevant technologies, after the expert's review process and making up for the lack of test data in the current research results.


HNS;HNS Prioritizing system;Maritime transport;Risk evaluation;Toxicity;Exposure


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Supported by : 한국해양과학기술진흥원