PCBs concentration and congener distribution in transformer insulation oil samples using GC/ECD and HRGC/HRMS analysis

GC/ECD와 HRGC/HRMS 분석을 이용한 변압기 절연유 중 PCBs 농도 및 이성체 분포

  • Received : 2005.03.18
  • Accepted : 2005.04.06
  • Published : 2005.06.25


The total PCBs level in the transformer insulation oil samples using GC/ECD and HRGC/HRMS were ranged from 0.087 to $223.6{\mu}g/g$ and ranged from N.D. to $154.04{\mu}g/g$, respectively. The calculated TEQ values were ranged from 0.00067 to 6.8 ng WHO-TEQ/g. Among the samples, 6 samples showed higher than 2 ppm concentration (specific waste criterion of Korea). A variety in the concentration of total PCBs were observed between ECD and HRMS analysis. This is maybe due to quantification mehtod. The Aroclor 1248 wasn't present in the samples. The distribution pattern of Co-PCB congeners showed that the ratio of monoortho substituted congeners were higher than non-ortho substituted congeners. Among that, PCB-167 congener was predominant. In addition, the distribution of Co-PCBs congeners was different with that of flue gas and ambient air samples as well as commercial PCB formulations (Aroclor, Kanechlor).


PCBs;Transformer insulation oil;Arolcor;Kanechlor;GC/ECD;HRGC/HRMS


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Grant : PCBs 함유 제품 및 폐기물 중의 PCBs 분석방법 개발

Supported by : 국립환경연구원