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Acute Toxicity Studies of Octachlorostyrenes for Environment Organisms  

Kim, Yong-Seok (Environment Toxicolgy Team, Korea Testing & Research Institute)
Jeon, Yong-Bae (Environment Toxicolgy Team, Korea Testing & Research Institute)
Lee, Dae-Yong (Environment Toxicolgy Team, Korea Testing & Research Institute)
Lee, Jue-Hwan (Environment Toxicolgy Team, Korea Testing & Research Institute)
Lee, Kyu-Seung (Department of Bio-Industrial and Machinery, Chungnam National University)
Sung, Ha-Jung (Institute of Fusion Technology, Hoseo University)
Publication Information
The Korean Journal of Pesticide Science / v.13, no.2, 2009 , pp. 87-97 More about this Journal
Abstract
Octachlorostyrene (OCS) is a persistant and bioaccumulative toxic subtance (PBTs). In this study, acute toxicity tests on algae, daphnia and fish for octachlorostyrene and its isomers were done to determine effective concentration ($EC_{50}$), Lethal concentration ($LC_{50}$), no observed effect concentration (NOEC) or lowest observed effect concentration (LOEC). As a result, NOEC on algae growth inhibition test for octacholorostyrene and 2-, 3-chlorostyrene was determined as $0.50\;mg\;L^{-1}$, and NOEC for 4-chlorostyrene was determined as $0.13\;mg\;L^{-1}$. NOEC on daphnia, acute immobilisation test for octachlorostyrene and 2-, 3-chlorostyrene was determined as $5.00\;mg\;L^{-1}$ and $EC_{50}$ for 4-chlorostyrene was determined as $2.128\;mg\;L^{-1}$. NOEC on Oryzias Latipes, acute toxicity test for octachlorostyrene was determined as $80.0\;mg\;L^{-1}$ and NOEC for 2-, 3-chlorostyrene was determined as $60.0\;mg\;L^{-1}$. $LC_{50}$ for 4-chlorostyrene was determined as $39.0\;mg\;L^{-1}$ (48h) and $22.6\;mg\;L^{-1}$ (96h).
Keywords
Octachlorostyrene; PBTs; $EC_{50}$; $LC_{50}$; NOEC; LOEC;
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