Abstract
Low pg levels of PBDD/Fs in 0.8–38.9pgg−1 (fat) range (mean 14.2pgg−1) observed in the tested cod liver samples were significantly lower than levels of their chlorinated analogues (25.1–95.9 range, 37.7 mean pgg−1 fat). Brominated furans dominated the congener profile. Elevated levels of OH-/MeO-BDE were however observed with mean concentrations at 2769±1319 and 5441±2918pgg−1 (fat) respectively. The observed congener profiles with the predominance of 6-OH-BDE 47 and the relatively high proportion between the native and hydroxylated compounds indicate on natural origin of those compounds or at least presence of various exposure sources. A large fraction of studied samples did not comply with the currently standing EU regulations concerning PCBs and chlorinated dioxins (11%), especially as regards non-dioxin like PCBs (88%).
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