Toxic significance of planar aromatic compounds in Baltic ecosystem — New studies on extremely toxic coplanar PCBs
作者： J. Tarhanen , J. Koistinen , J. Paasivirta , P.J. Vuorinen , J. Koivusaari
DOI: 10.1016/0045-6535(89)90238-5
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摘要: Abstract Baltic salmon and white-tailed eagle samples have been analyzed for organochlorine compounds including polychlorinated dibenzo-p-dioxins, dibenzofurans, naphtalenes toxic coplanar PCBs. In salmon, PCB DDT residue contents were 0.2-0.3 ug/g in fresh muscle. Chlordanes, toxaphene, hexachlorobenzene, α-hexachlorocyclohexane γ-hexachlorcyclohexane found at 1 – 10 ng/g levels. Significant dioxin type of toxins only 2,3,7,8-tetrachlorodibenzofuran (45–81 pg/g) 3,3′,4,4′-tetrachlorobiphenyl (638–1120 pg/g). Polychloronaphtalene all the same order magnitude ranging from 4 to 85 ng/g. The highest chlorohydrocarbon 462 ug/g, sum residues 42 chlordanes 5.7 HCB 1.6 ug/g. contrary, γ-hexachlorocyclohexane not detected eagles. Levels polychlorodibenzo-p-dioxins, polychlorodibenzofurans PCBs ever reported wildlife adult samples, liver a juvenile egg South Finland 13 PCDD/Fs 18 229 Calculation TCDD-equivalents gave that toxicity load comes great excess PCBs, especially 3,3′,4,4′,5-pentachlorobiphenyl.
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