title: Sediment pore water distribution coefficients of PCB congeners in enriched black carbon sediment.
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.
authors: 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.
authors: Andres
authors: A
authors: Martinez
authors: Colin
authors: C
authors: O'Sullivan
authors: Danny
authors: D
authors: Reible
authors: Keri C
authors: KC
authors: Hornbuckle
mesh_terms: D004784:Environmental Monitoring; D019015:Geologic Sediments / Q000737:chemistry*; D007196:Indiana; D011078:Polychlorinated Biphenyls / Q000032:analysis*; D053260:Soot / Q000737:chemistry*; D014874:Water Pollutants, Chemical / Q000032:analysis*; D014877:Water Pollution, Chemical / Q000706:statistics & numerical data
chemical_list: D053260:Soot; D014874:Water Pollutants, Chemical; D011078:Polychlorinated Biphenyls
keywords: Aliphatic compounds; Black carbon; Organic carbon; PCBs; Sediment pore water distribution coefficients
references: Environ Sci Technol. 2005 Sep 15;39(18):6881-95
references: 16201609
references: Environ Sci Technol. 2005 Feb 15;39(4):913-24
references: 15773462
references: Environ Sci Technol. 2005 Jan 1;39(1):141-8
references: 15667088
references: Environ Pollut. 2012 Feb;161:23-9
references: 22230063
references: Environ Sci Technol. 2010 Apr 15;44(8):2803-8
references: 20131898
references: Environ Sci Technol. 2005 May 1;39(9):3101-9
references: 15926558
references: Environ Toxicol Chem. 2011 May;30(5):1109-16
references: 21341305
references: Chemosphere. 2011 Oct;85(3):542-7
references: 21899876
references: Chemosphere. 2008 Sep;73(4):532-8
references: 18649918
references: Environ Sci Technol. 2009 Aug 1;43(15):5576-85
references: 19731647
references: Environ Toxicol Chem. 2011 Jun;30(6):1288-96
references: 21360577
references: Environ Sci Technol. 2003 May 1;37(9):184A-191A
references: 12775037
references: Chemosphere. 2003 Nov;53(5):515-22
references: 12948535
references: Environ Sci Technol. 2010 Sep 15;44(18):7037-42
references: 20738135
references: Environ Sci Technol. 2008 Dec 1;42(23):8733-9
references: 19192790
references: Chemosphere. 2009 Apr;75(4):469-75
references: 19200572
references: Environ Sci Technol. 2002 Jan 1;36(1):21-9
references: 11811485
references: Environ Toxicol Chem. 2006 Nov;25(11):2901-11
references: 17089713
references: Environ Sci Technol. 2001 Sep 15;35(18):3742-8
references: 11783654
references: Environ Sci Technol. 2002 Sep 1;36(17):3725-34
references: 12322744
references: Environ Sci Technol. 2003 Sep 15;37(18):4213-20
references: 14524455
references: Environ Sci Technol. 2010 Apr 15;44(8):2809-15
references: 19961220
references: Environ Sci Technol. 2011 Oct 1;45(19):8437-43
references: 21846112
references: Environ Sci Technol. 2011 Sep 1;45(17):7365-71
references: 21761896