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Organochlorines and polychlorinated biphenyl environmental pollution in south coast of Rio De Janeiro state

2016; Elsevier BV; Volume: 108; Issue: 1-2 Linguagem: Inglês

10.1016/j.marpolbul.2016.03.067

1879-3363

Ana Maria Ferreira da Silva, Thelma Pavesi, Ana Cristina Simões Rosa, Tatyane Pereira dos Santos, Marianne de Medeiros Tabalipa, Vera Regina Rossi Lemes, Sérgio Rabello Alves, Paula de Novaes Sarcinelli,

Microplastics and Plastic Pollution

The objective of this study was to evaluate the burden of environmental pollution by Polychlorinated Biphenyls (PCBs) and Organochlorine Pesticides (OCs) in two localities of Rio de Janeiro coast, through the determination of these levels in specimens of mullets and croakers collected from May to August 2008, at Guanabara Bay (GB) and from Araújo Island (AI), at Paraty Bay. Twenty three organochlorine pollutants were detected in croakers at GB and twenty in mullets and all PCBs congeners investigated in the study were present in the two species. Ratio ∑ DDT/∑PCB of 1.4 shows an important contribution of agricultural residues in GB and p,p′-DDE/∑DDT of 0.1 demonstrates a reintroduction of DDT. Consumption of mullet may represent a risk to the health of fishermen families from GB, with average and maximum estimated daily intake of ∑ DDT of 9.012 μg/kg p.c. and 26,174 μg/kg p.c., representing 45% and 131% of ADI established by WHO.