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Título: | Identification of contaminants of emerging concern with potential environmental risk in Spanish continental shelf sediments |
Autor: | León, Víctor Manuel; Viñas, Lucía CSIC ORCID ; Concha-Graña, Estefanía; Fernández-González, Verónica; Salgueiro-González, Noelia; Moscoso-Pérez, Carmen; Muniategui-Lorenzo, Soledad; Campillo-González, Juan Antonio | Palabras clave: | Alkylphenols Continental shelf sediments Current-use pesticides PFAS Personal care products Phthalates |
Fecha de publicación: | 10-nov-2020 | Editor: | Elsevier | Citación: | Science of the Total Environment 742 : 140505 (2020) | Resumen: | The distribution of per- and polyfluoroalkyl substances (PFAS), alkylphenols, organotin compounds, phthalates, alkylated polycyclic aromatic hydrocarbons, current-use pesticides (CUPs) and personal care products (PCPs) was characterized in 29 surface sediments from two Spanish Iberian continental shelf areas (14 on the Atlantic and 15 on the Mediterranean coasts). Concretely, 115 organic contaminants were determined and a specific methodology was used for each contaminant group, including contaminants of emerging concern (CECs) and traditional ones, such as polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs) and organochlorinated pesticides (OCPs). PAHs, alkylated PAHs, alkylphenols and phthalates were found in all samples, showing mean concentrations per group higher than 20 ng/g (16-4974 ng/g d.w.) in the subregions under consideration (Galician, Cantabrian, Levantine-Balearic and Strait-Alboran). CUPs and PCPs were found in the majority of samples at very low concentrations of ng/g (1.4-46.8 ng/g d.w.), whereas organotins and PFAS were found principally in sediments from the Mediterranean subregions (2.5-3.9 ng/g d.w.). Different distribution patterns were observed for the contaminant groups and subregions under consideration as a consequence of the diverse predominant sources (industrial, urban, transport and agricultural activities) and environmental behavior (mainly hydrophobicity and persistence). Risk assessment confirmed the impact of phthalates, alkylphenols, PAHs and PCBs on Atlantic ecosystems and of alkylphenols, chlorpyrifos, phthalates, TBT, PAHs, OCPs and PCBs on the Mediterranean ones. Furthermore, the presence of CUPs, PCPs and PFAS in sediments from the Spanish continental shelf located between 2 and 31 km from the coast suggested that those contaminants may also provoke adverse effects on coastal marine ecosystems between their sources and their depositional areas. CAPSULE: Alkylphenols, phthalates and organotins may provoke adverse effects on Spanish coastal marine ecosystems from their sources to the sediment depositional areas. | Versión del editor: | https://doi.org/10.1016/j.scitotenv.2020.140505 | URI: | http://hdl.handle.net/10261/353027 | DOI: | 10.1016/j.scitotenv.2020.140505 | ISSN: | 0048-9697 | E-ISSN: | 1879-1026 |
Aparece en las colecciones: | (IEO) Artículos |
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