Perfluoroalkyl substances (PFAS) occurrence, concentrations and spatial distribution along the French Mediterranean coast and lagoons, based on active biomonitoring.

Autor: Herlory O; Ifremer, Laboratoire Environnement Ressources Provence Azur Corse, CS 20330, 83507 La Seyne Sur Mer, France. Electronic address: olivier.herlory@ifremer.fr., Briand MJ; Ifremer, Laboratoire Environnement Ressources Provence Azur Corse, CS 20330, 83507 La Seyne Sur Mer, France., Munaron D; MARBEC, Univ Montpellier, Ifremer, CNRS, IRD, Sète, CS 30171, 34203 Sète, France., Boissery P; Agence de l'Eau Rhône Méditerranée Corse - Délégation Paca Corse, 13001 Marseille, France., Giraud A; Agence de l'Eau Rhône Méditerranée Corse - Délégation de Montpellier, 34961 Montpellier, France., Marchand P; LABERCA-ONIRIS, 101 Route de Gachet, 44307 Nantes, France., Bouchoucha M; Ifremer, Laboratoire Environnement Ressources Provence Azur Corse, CS 20330, 83507 La Seyne Sur Mer, France.
Jazyk: angličtina
Zdroj: Marine pollution bulletin [Mar Pollut Bull] 2024 May; Vol. 202, pp. 116419. Date of Electronic Publication: 2024 Apr 26.
DOI: 10.1016/j.marpolbul.2024.116419
Abstrakt: Tracking PFAS in ecosystems is challenging. In this context, monitoring programs are crucial to fill data gaps, especially in marine environments, which are the ultimate outlets for these forever chemicals. The 2021 chemical contamination monitoring campaign along the French Mediterranean coast established a baseline for PFAS concentrations in mussels, with 90 % of measurements below quantification limits. When detected, long-chain PFCA's were predominant. Spatial distribution patterns suggested continuous PFAS inputs and complex dynamics, shaped by the influence of large watersheds and rivers (Rhône, Aude, Huveaune). Lapeyrade shallow lagoon stood out as the most contaminated site. Similar PFAS profiles in connected sites implied shared sources but raised questions about accumulation processes in mussels. While certain sites had evident sources (e.g., military airbase for Palo lagoon), others remained uncertain (e.g., Toulon bay). Coastal stations (Banyuls, Cap Agde, Brégançon, Pampelonne) showed PFAS contamination without clear onshore sources, possibly due to insufficient transportation process understanding.
Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2024 Elsevier Ltd. All rights reserved.)
Databáze: MEDLINE
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