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Ecotoxicological Risk Assessment for Acetaminophen in Kyongahn River  

Kim, Pan-Gyi (Dept. of Occupational and Environmental Health, Yong-in University)
Publication Information
Journal of Environmental Health Sciences / v.32, no.5, 2006 , pp. 440-445 More about this Journal
Abstract
Acetaminophen (paracetamol), generally used as a pain reducing agent, has good analgesic efficacy in toothaches and headaches, but is of little use in inflammatory and visceral pain. This study was performed to analyze the level of acetaminophen in the Kyongahn river and to investigate the ecological risks of target compounds. Sampling sites were Haesil, Soopyo, Wangsan, Kyongahn, Jiwol, Kwangdong, Paldang and they were analyzed in June and August, 2005. Acute toxicity of acetaminophen wwas evaluated for Daphnia magna. From the ecotoxicological results, environmental risk assessments were performed for acetaminophen residues in Kyongahn river to predict their potential adverse effect. Acetaminophen was detected at Kyonahn river, $0.439{\mu}g/l$). The toxic concentration of acetaminophen calculated with 48-h $LC_{50}$ values as 16.9 mg/l. These results indicated that acetaminophen had no significant ecotoxicological impact on short-term acute exposure.
Keywords
Kyongahn river; acetaminophen; D. magna; $LC_{50}$; hazard quotient(HQ);
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Times Cited By KSCI : 2  (Citation Analysis)
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