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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.
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Polychlorinated biphenyl and organochlorine pesticide contamination signatures in deep-sea fish from the Mediterranean Sea
Storelli, M.; Losada, S.; Marcotrigiano, G.; Roosens, L.; Barone, G.; Neels, H.; Covaci, A. (2009). Polychlorinated biphenyl and organochlorine pesticide contamination signatures in deep-sea fish from the Mediterranean Sea. Environ. Res. 109(7): 851-856. https://dx.doi.org/10.1016/j.envres.2009.07.008
In: Environmental Research. Elsevier: Amsterdam. ISSN 0013-9351; e-ISSN 1096-0953, meer
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| Author keywords |
Deep-sea fish; Polychlorinated biphenyls; Organochlorine pesticides;Hexaclorobenzene; PCB-TEQs |
| Auteurs | | Top |
- Storelli, M.
- Losada, S., meer
- Marcotrigiano, G.
- Roosens, L., meer
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- Barone, G.
- Neels, H., meer
- Covaci, A., meer
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| Abstract |
Polychlorinated biphenyl (PCB) and OCP concentrations were determined in the livers of two deep-sea fish species, roughsnout grenadier and hollowsnout grenadier, from the Adriatic Sea. In both species, contaminant concentrations were in the following order: PCBs>DDTs>>HCB. Contaminant load was higher in roughsnout grenadier (PCB: 12,327 ng g-1; DDTs: 5357 ng g-1; HCB: 13.1 ng g-1) than in hollowsnout grenadier (PCB: 1234 ng g-1; DDTs: 763 ng g-1; HCB 6.3 ng g-1). PCB patterns were dominated by higher chlorinated congeners (hexa-CBs: 50.3–52.1%, hepta-CBs: 29.6–35.5%, penta-CBs: 8.0–11.1% and octa-CBs :5.2–5.4%). PCBs 138, 153 180 and 187 were the most abundant. Regarding the DDT pattern, p,p'-DDE was prevalent in both species (roughsnout grenadier: 99.7%, hollowsnout grenadier: 90%), suggesting no recent DDT input. In both species, the total 2,3,7,8-tetrachlorodibenzo-p-dioxin toxic equivalent (TEQ) concentrations (roughsnout grenadier: mean 43.77 pg/g, hollowsnout grenadier: mean 20.49 pg/g), calculated from non- and mono-ortho PCBs, reached those encountered in marine organisms at higher levels in the trophic chain. |
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