Biomonitoring of selected persistent organic pollutants (PCDD/Fs, PCBs and PBDEs) in Finnish and Russian terrestrial and aquatic animal species.

A Holma-Suutari,A Hallikainen,S Laaksonen,H Kiviranta,A N Panin,P Ruokojärvi,A A Komarov,M Viluksela,V V Ovcharenko,M Nieminen,D A Makarov

doi:10.1186/s12302-016-0071-z

A Holma-Suutari, A Hallikainen + Show 9 more

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BackgroundThe Finnish and Russian animal species (semi-domesticated reindeer, Finnish wild moose, Baltic grey seal and Baltic herring) samples were biomonitored in terrestrial and aquatic environments for polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs), polychlorinated biphenyls (PCBs) and polybrominated diphenylethers (PBDEs).ResultsGrey seal (Halichoerus grypus) was clearly the most contaminated species. The mean PBDE concentration in grey seal was 115 ng/g fat, and the highest WHO-PCDD/F-PCB-TEQ (toxic equivalent set by WHO) was 327 pg/g fat. In Finnish, reindeer WHO-PCDD/F-TEQ varied from 0.92 pg/g fat in muscle to 90.8 pg/g fat in liver. WHO-PCDD/F-TEQ in moose liver samples was in the range of 0.7–4.26 pg/g fat, and WHO-PCB-TEQ in the range of 0.42–3.34 pg/g fat. Overall moose had clearly lower PCDD/F and DL-PCB concentrations in their liver than reindeer.ConclusionsTerrestrial animals generally had low POP concentrations, but in reindeer liver dioxin levels were quite high. All Finnish and Russian reindeer liver samples exceeded the EU maximum level [8] for PCDD/Fs (10 pg/g fat), which is currently set for bovine animals.

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The Finnish and Russian animal species samples were biomonitored in terrestrial and aquatic environments for polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs), polychlorinated biphenyls (PCBs) and polybrominated diphenyleth‐ ers (PBDEs)
Terrestrial samples Organs of Finnish and Russian semi-domesticated reindeer were analysed for polychlorinated dibenzofurans (PCDD/F) and dioxin-like PCBs (DL-PCBs) to figure out how contaminants are distributed in the reindeer body
It is seen that the concentrations of WHO-PCDD/Fand WHO-PCB-TEQs were quite equal in the studied organs

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Introduction

The Finnish and Russian animal species (semi-domesticated reindeer, Finnish wild moose, Baltic grey seal and Baltic herring) samples were biomonitored in terrestrial and aquatic environments for polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs), polychlorinated biphenyls (PCBs) and polybrominated diphenyleth‐ ers (PBDEs). Polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs), dioxin-like PCBs (DL-PCBs) and polybrominated diphenylethers (PBDEs) are lipophilic persistent organic pollutants with generally low water solubilities. They are threatening animals and humans when entering into the terrestrial and aquatic food chains [7]. From the aquatic point of view, the Baltic Sea is considered to be one of the most polluted waters in the world contaminated by Persistent organic pollutants (POPs) They are discharged from industrialized countries surrounding and transported from distant sources by an atmospheric deposition [23, 33]. There have been remarkable efforts to restrict the usage and production of the long-range transporting and bioaccumulate chemicals They still can be found from the marine environment of the Baltic Sea [5].

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