Summary
Coplanar PCB (IUPAC nrs. 77, 126 and 169) have been determined in samples of flue gases and solid wastes from high-temperature processes, and soils and sediment.
TEQ-levels of coplanar PCB present have been compared with those of PCDD/PCDF in the samples. It is found that, while in the flue gas samples coplanar PCB contribute less than 10% to the total TEQ level, soils and sediment may contain higher levels (up to 30% of the total TEQ for the samples analyzed).
Moreover the pattern of PCB in the samples from high-temperature processes apparently differs considerably from that in the soils and sediment, in which PCB 77 constitutes >70% of the coplanar PCB.
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Boers, J.P., de Leer, E.W.B., Gramberg, L. et al. Levels of coplanar PCB in flue gases of high temperature processes and their occurrence in environmental samples. Fresenius J Anal Chem 348, 163–166 (1994). https://doi.org/10.1007/BF00321623
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DOI: https://doi.org/10.1007/BF00321623