Occurrence and sources of polychlorinated dibenzo- p-dioxins, dibenzofurans and dioxin-like polychlorinated biphenyls in surficial sediments of Lakes Superior and Huron

Concentrations and congener profile patterns of 2378-substituted PCDD/Fs and DLPCBs in offshore, nearshore and tributary sediments of Lakes Superior and Huron are reported, and spatial trends and source contributions assessed. PCDD/F concentrations ranged from 5 to 18 000 pg/g dw (Lake Superior) and...

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Veröffentlicht in:Environmental pollution (1987) 2009-04, Vol.157 (4), p.1210-1218
Hauptverfasser: Shen, Li, Gewurtz, Sarah B., Reiner, Eric J., MacPherson, Karen A., Kolic, Terry M., Khurana, Vin, Helm, Paul A., Howell, E. Todd, Burniston, Debbie A., Brindle, Ian D., Marvin, Chris H.
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container_end_page 1218
container_issue 4
container_start_page 1210
container_title Environmental pollution (1987)
container_volume 157
creator Shen, Li
Gewurtz, Sarah B.
Reiner, Eric J.
MacPherson, Karen A.
Kolic, Terry M.
Khurana, Vin
Helm, Paul A.
Howell, E. Todd
Burniston, Debbie A.
Brindle, Ian D.
Marvin, Chris H.
description Concentrations and congener profile patterns of 2378-substituted PCDD/Fs and DLPCBs in offshore, nearshore and tributary sediments of Lakes Superior and Huron are reported, and spatial trends and source contributions assessed. PCDD/F concentrations ranged from 5 to 18 000 pg/g dw (Lake Superior) and 3 to 6100 pg/g dw (Lake Huron); DLPCBs ranged from 9 to 11 000 pg/g dw (Lake Superior) and 9 to 27 000 pg/g dw (Lake Huron). Our analysis indicated atmospheric deposition is a primary source to depositional areas of both lakes; however, greater PCDD/F and DLPCB concentrations were observed at several nearshore and tributary sites, and were attributed to corresponding land use in the watershed. Statistical analysis and pattern comparison suggested that industrial inputs mainly associated with wood treatment plants, pulp and paper mills, mining operations, and chlorine-based chemical manufacturing also contributed to contamination by PCDD/Fs and DLPCBs in certain nearshore and offshore areas of Lakes Superior and Huron. Lake-wide 2378-PCDD/F and DLPCB concentrations, spatial trends, and congener patterns are first reported in Lakes Superior and Huron sediments.
doi_str_mv 10.1016/j.envpol.2008.12.012
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Todd</creatorcontrib><creatorcontrib>Burniston, Debbie A.</creatorcontrib><creatorcontrib>Brindle, Ian D.</creatorcontrib><creatorcontrib>Marvin, Chris H.</creatorcontrib><title>Occurrence and sources of polychlorinated dibenzo- p-dioxins, dibenzofurans and dioxin-like polychlorinated biphenyls in surficial sediments of Lakes Superior and Huron</title><title>Environmental pollution (1987)</title><addtitle>Environ Pollut</addtitle><description>Concentrations and congener profile patterns of 2378-substituted PCDD/Fs and DLPCBs in offshore, nearshore and tributary sediments of Lakes Superior and Huron are reported, and spatial trends and source contributions assessed. PCDD/F concentrations ranged from 5 to 18 000 pg/g dw (Lake Superior) and 3 to 6100 pg/g dw (Lake Huron); DLPCBs ranged from 9 to 11 000 pg/g dw (Lake Superior) and 9 to 27 000 pg/g dw (Lake Huron). 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Todd</au><au>Burniston, Debbie A.</au><au>Brindle, Ian D.</au><au>Marvin, Chris H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Occurrence and sources of polychlorinated dibenzo- p-dioxins, dibenzofurans and dioxin-like polychlorinated biphenyls in surficial sediments of Lakes Superior and Huron</atitle><jtitle>Environmental pollution (1987)</jtitle><addtitle>Environ Pollut</addtitle><date>2009-04-01</date><risdate>2009</risdate><volume>157</volume><issue>4</issue><spage>1210</spage><epage>1218</epage><pages>1210-1218</pages><issn>0269-7491</issn><eissn>1873-6424</eissn><coden>ENVPAF</coden><abstract>Concentrations and congener profile patterns of 2378-substituted PCDD/Fs and DLPCBs in offshore, nearshore and tributary sediments of Lakes Superior and Huron are reported, and spatial trends and source contributions assessed. PCDD/F concentrations ranged from 5 to 18 000 pg/g dw (Lake Superior) and 3 to 6100 pg/g dw (Lake Huron); DLPCBs ranged from 9 to 11 000 pg/g dw (Lake Superior) and 9 to 27 000 pg/g dw (Lake Huron). Our analysis indicated atmospheric deposition is a primary source to depositional areas of both lakes; however, greater PCDD/F and DLPCB concentrations were observed at several nearshore and tributary sites, and were attributed to corresponding land use in the watershed. Statistical analysis and pattern comparison suggested that industrial inputs mainly associated with wood treatment plants, pulp and paper mills, mining operations, and chlorine-based chemical manufacturing also contributed to contamination by PCDD/Fs and DLPCBs in certain nearshore and offshore areas of Lakes Superior and Huron. Lake-wide 2378-PCDD/F and DLPCB concentrations, spatial trends, and congener patterns are first reported in Lakes Superior and Huron sediments.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>19167794</pmid><doi>10.1016/j.envpol.2008.12.012</doi><tpages>9</tpages></addata></record>
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identifier ISSN: 0269-7491
ispartof Environmental pollution (1987), 2009-04, Vol.157 (4), p.1210-1218
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source MEDLINE; ScienceDirect Journals (5 years ago - present)
subjects Air Pollutants - analysis
Applied sciences
Benzofurans - analysis
Benzofurans - chemistry
Canada
Congener pattern
Dioxin-like polychlorinated biphenyls
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Environmental Monitoring - methods
Exact sciences and technology
Fresh Water
Geologic Sediments - chemistry
industrial wastes
lakes
Pesticides - analysis
Pesticides - chemistry
point source pollution
Pollution
Pollution sources. Measurement results
Pollution, environment geology
polychlorinated biphenyls
Polychlorinated Biphenyls - analysis
Polychlorinated Biphenyls - chemistry
Polychlorinated dibenzo- p-dioxins
polychlorinated dibenzodioxins
Polychlorinated Dibenzodioxins - analogs & derivatives
Polychlorinated Dibenzodioxins - analysis
Polychlorinated Dibenzodioxins - chemistry
Polychlorinated dibenzofurans
Sediment
sediment contamination
Soil and sediments pollution
Spatial trend
spatial variation
Water Pollutants, Chemical - analysis
Water Pollutants, Chemical - chemistry
water pollution
title Occurrence and sources of polychlorinated dibenzo- p-dioxins, dibenzofurans and dioxin-like polychlorinated biphenyls in surficial sediments of Lakes Superior and Huron
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