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Ecological Risk Assessment of Chemicals of Concern for Initiation of Ecorisk-based Water Quality Standards in Korea  

An, Youn-Joo (Department of Environmental Science, Konkuk University)
Nam, Sun-Hwa (Department of Environmental Science, Konkuk University)
Kim, Yong-Hwa (Environmental Toxicology division, Korea Institute of Toxicology, KRICT)
Publication Information
Journal of Korean Society on Water Environment / v.24, no.5, 2008 , pp. 592-597 More about this Journal
Abstract
Current water quality standard (WQS) in Korea is based on the protection of human health, not considering the protection of aquatic organisms. Most of chemicals can be toxic to ecological biota as well as human. Health of aquatic biota is closely related to the human health via food chain, therefore ecological risk based-WQS needs to be developed to protect the aquatic ecosystem. In this study, we selected the 31 chemicals in the Project entitled 'Development of integrated methodology for evaluation of water environment'. The methodology for calculating water quality criteria was derived from the Australian and New Zealand processes for deriving guideline trigger value for aquatic ecosystem. The available ecotoxicity data were collected from US EPA's ECOTOXicology Database (ECOTOX), TOX-2000 Database, European Chemicals Bureau (ECB)'s International Uniform Chemical Information Database (IUCLID) and Environmental Protection Agency (US EPA)'s report 'Ambient Water Quality Criteria (AWQC)'. The aquatic toxicity data for the Korean species were selected for risk assessment to reflect the Korean water environment. The monitoring values were calculated from the water quality monitoring data four main Korean rivers. We suggested the order of priorities of chemicals based on ecological risk assessment. We expect that these results can be useful information for establishing the WQS for the protection of aquatic ecosystem.
Keywords
Ecological risk assessment; Ecotoxicity; Water quality criteria; Water quality standard;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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