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From Oct. 2008 to Oct. 2009, 619 livestock products sold in Incheon were examined for melamine contamination. HPLC was used to detect the melamine concentration of various products. C18 column (3.9× 150mm, 4μm) was applied with a phase composed of 10mM citric acid and 10mM sodium octane sulfonate : acetonitrile (90 : 10), pumped isocratically at 1.0ml/min. None of the products were detected with melamine at the level of LOD 0.03mg/kg and LOQ 0.08mg/kg, so no melamine contamination was ascertained in livestock products in Incheon area. However, the examination about melamine analogues should be done for evaluation of toxicity and safety in the future due to toxicity of melamine and cyanuric acid.