NDLI: Polyethylene passive samplers to determine sediment-pore water distribution coefficients of persistent organic pollutants in five heavily contaminated dredged sediments.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Hennebert, Pierre Charrasse, Benoit Tixier, Céline Doumenq, Pierre
Spatial Coverage	France
Description	Country affiliation: France Author Affiliation: Charrasse B ( Institut National de l'EnviRonnement Industriel et des RiSques (INERIS), ARDEVIE, Domaine du Petit Arbois, BP 33, 13545 Aix-en-Provence Cedex 04, France.); Tixier C ( Ifremer, RBE-BE-LBCO, rue de l'Ile d'Yeu, 44311 Nantes Cedex 3, France.); Hennebert P ( Institut National de l'EnviRonnement Industriel et des RiSques (INERIS), ARDEVIE, Domaine du Petit Arbois, BP 33, 13545 Aix-en-Provence Cedex 04, France.); Doumenq P ( Aix Marseille Université, CNRS, Laboratoire de Chimie de l'Environnement, FRE 3416, UMR CNRS 6263, Europôle de l'Arbois, Bâtiment Villemin BP 80, 13545 Aix-en-Provence Cedex 4, France. Electronic address: Pierre.doumenq@univ-amu.fr.)
Abstract	Pore concentration and partition coefficients of polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) were determined in sediments from five distinct contaminated sites in France (marine harbour, rivers canals and highway sedimentation tank). The assessment of the risk caused by such micropollutants requires, in most cases, the measurement of their availability. To assess this availability, low density polyethylene (LDPE) membrane samplers were exposed to these sediments under constant and low-level agitation over a period of 46 days. Freely dissolved pore water contaminant concentrations were estimated from the concentration at equilibrium in the LDPE membrane. The depletion of contaminants in the sediments was monitored by the use of performance reference compounds (PRCs). Marked differences in freely dissolved PAH and PCB concentrations and resulting sediment-pore water partition coefficients between these five sediments were observed. Data set was tested onto different empirical and mechanistic models. As final findings, triple domain sorption (a total organic carbon, black carbon and oil phase model) could model PCB data successfully whereas the best fitting for PAH partitioning was obtained by Raoult's Law model.
ISSN	00489697
Volume Number	472
e-ISSN	18791026
Journal	Science of The Total Environment
Language	English
Publisher	Elsevier
Publisher Date	2014-02-15
Publisher Place	Netherlands
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Environmental Monitoring Methods Geologic Sediments Chemistry Polychlorinated Biphenyls Analysis Polycyclic Hydrocarbons, Aromatic Ships Water Pollutants, Chemical Instrumentation France Polyethylene Rivers Journal Article Research Support, Non-u.s. Gov't Discipline Environmental Science
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Waste Management and Disposal Pollution Environmental Engineering

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