NDLI: Sediment pore water distribution coefficients of PCB congeners in enriched black carbon sediment.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Martinez, Andres O'Sullivan, Colin Reible, Danny Hornbuckle, Keri C.
Spatial Coverage	Indiana
Description	Author Affiliation: Martinez A ( Department of Civil & Environmental Engineering, IIHR-Hydroscience and Engineering, The University of Iowa, 4105 Seamans Center, Iowa City, IA 52242, USA. Electronic address: andres-martinez@uiowa.edu.)
Abstract	More than 2300 sediment pore water distribution coefficients (KPCBi ds) of 93 polychlorinated biphenyls (PCBs) were measured and modeled from sediments from Indiana Harbor and Ship Canal. KPCBi ds were calculated from previously reported bulk sediment values and newly analyzed pore water. PCBs in pore waters were measured using SPME PDMS-fiber and ∑PCB ranged from 41 to 1500 ng L(-1). The resulting KPCBi ds were ~1 log unit lower in comparison to other reported values. A simple model for the KPCBi d consisted of the product of the organic carbon fraction and the octanol-water partition coefficient and provided an excellent prediction for the measured values, with a mean square error of 0.09 ± 0.06. Although black carbon content is very high in these sediments and was expected to play an important role in the distribution of PCBs, no improvement was obtained when a two-carbon model was used.
File Format	HTM / HTML
ISSN	02697491
e-ISSN	18736424
DOI	10.1016/j.envpol.2013.07.015
Journal	Environmental Pollution
Volume Number	182
Language	English
Publisher	Elsevier
Publisher Date	2013-11-01
Publisher Place	Great Britain (UK)
Access Restriction	Open
Subject Keyword	Discipline Environmental Discipline Science Geologic Sediments Chemistry Polychlorinated Biphenyls Soot Water Pollutants, Chemical Environmental Monitoring Indiana Water Pollution, Chemical Statistics & Numerical Data Research Support, N.i.h., Extramural
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Pollution Medicine Toxicology

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