Concentration and Characteristic of PBDEs in Pine Needle and Soil of Ansung-city

안성 지역 소나무 잎과 토양 중 PBDEs의 농도 수준 및 특성

  • Yeo, Hyun-Gu (Environmental Research Center, Environmental Engineering, National Hankyong University) ;
  • Cho, Ki-Chul (Department of Environmental Science, Dongnam Health College) ;
  • Chun, Man-Young (Environmental Research Center, Environmental Engineering, National Hankyong University)
  • 여현구 (한경대학교 환경공학과) ;
  • 조기철 (동남보건대학 환경생명과학과) ;
  • 천만영 (한경대학교 환경공학과)
  • Published : 2006.04.01

Abstract

Polybrominated diphenyl ethers (PBDEs) in pine needles and soil samples from rural area were analyzed in this study. Concentrations of PBDE congeners were ranged between 0.2 and 3104 pg/g DW(dry weight) in pine needles and between 2.4 and 1997 pg/g DW in soil samples. The most abundant congener both in pine needles and soil samples was BDE-209, which was related to importation and production of deca-BDE technical mixtures in Korean industry. And BDE-99, BDE-47, BDE-100 deposited in pine needles and soil samples were closely matched with the major constituents of the penta-BDE technical mixture. Those can be interpreted as an evidence that transfer of the congeners in deca-BDE and penta-BDE technical mixtures from source to pine needle and soil occurs with broadly similar efficiency. Correlation coefficient(r) of PBDE congeners deposited in pine needles and soil samples is very significant because it implies th at there has been little weathering/degradation/alteration of the congeners generated from sources during atmospheric transport or within pine needles and soil themselves.

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