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In this study, PCBs and PAHs in waste oils and liquid fuel waste were analyzed. About 48 samples were collectedand analyed, for hazardous substances such as PCBs, PAHs by GC/ECD and GC/MSD. According to the analysis, seventypes of PCBs concentration was found in the range of 0.13~220.77mg/kg. The highest concentration level was foundin waste insulating and heat transmission oils (EWC 13 03 08), as 220.77mg/kg. Comparing the level of PCBs to othercountries, PCB concentration in this study was lower than that of China but higher than Japan. PAHs concentration wasin the range of ND~1,380.0mg/kg for Naphthalene, ND~1,570.0mg/kg for Phenanthrene, ND~321.2mg/kg forAnthracene, ND~44.1mg/kg for Benzo[a]pyrene, ND~80.8mg/kg for Fluoranthene, ND~14.3mg/kg for Benzo[a]anthracene and ND~8.7mg/kg for Benzo[b]fluoranthene. The concentration 7 PAH in the waste oil showed the orderof Automotive oil>Hydraulic oil>Cutting oil>Machine oil. The Benzo(a)pyrene which is known as high carcinogeniccompound was detected with low concentration. Compared to other waste from other countries, the concentration of thisstudy is higher than that of Japan and lower than that of China. The PAHs concentration was lower than Automotiveoil, Hydraulic oil, Cutting oil, Machine oil, in Spain.
