Evidence for dechlorination of polychlorinated biphenyls and polychlorinated dibenzo-p-dioxins and -furans in wastewater collection systems in the New York metropolitan area

Environmental Science & Technology
Lisa A RodenburgDonna E Fennell

Abstract

Polychlorinated biphenyls (PCBs) and polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) are persistent organic pollutants targeted by the Stockholm Convention. Both contain aromatic chlorines and are subject to microbial dechlorination. Dechlorination of PCBs in sewers in the Delaware River basin was recently reported. In this work, two data sets on concentrations of PCBs and PCBs+PCDD/Fs in wastewater treatment plant influents and effluents were analyzed to look for evidence that these compounds undergo dechlorination in the sewers of the New York/New Jersey Harbor area. The two data sets come from the Contamination Assessment and Reduction Project (CARP) and were analyzed via Positive Matrix Factorization (PMF). Analysis of the data set containing only PCB concentrations suggests that PCBs are dechlorinated in the sewers of the NY/NJ Harbor via the same pathways observed in the sewers of the Delaware River basin and that advanced dechlorination of PCB mixtures is more likely to occur in combined sewers vs separate sanitary sewers. When the combined data set of PCBs+PCDD/Fs was analyzed, the factor containing PCB dechlorination products also contained high proportions of 1,2,3,4,6,7,8-heptachlorodibenzo-p-dioxin (Hp...Continue Reading

References

Apr 13, 2004·Environmental Science & Technology·Noémi BarabásPierre Goovaerts
Apr 29, 2004·Environmental Science & Technology·Donna E FennellMax M Häggblom
May 24, 2008·Environmental Science & Technology·Xiuhong ZhaoRobert J M Hudson
Mar 23, 2011·Chemosphere·Lisa A RodenburgDonna E Fennell

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Citations

Apr 17, 2013·Environmental Science & Technology·Pornsawai PraipipatGregory J Cavallo
May 23, 2014·Applied Microbiology and Biotechnology·Mark J Krzmarzick, Paige J Novak
May 3, 2013·Environmental Science and Pollution Research International·Rouzbeh Tehrani, Benoit Van Aken
Mar 19, 2013·Environmental Science and Pollution Research International·Katryn EskeBernhard Hennig
Nov 18, 2015·Environmental Science & Technology·Ed SverkoGregg Thomas Tomy
Mar 27, 2015·Environmental Toxicology and Chemistry·Da ChenRobert J Letcher
May 8, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Thiau-Fu AngThean Chor Leow
May 9, 2015·Environmental Science and Pollution Research International·Seyedeh Belin Tavakoly SanyDavid J Karlen
Dec 11, 2019·The Science of the Total Environment·Ran Jing, Birthe V Kjellerup
Jun 26, 2020·Chemosphere·Mahdi ChitsazLisa A Rodenburg
Jan 27, 2015·Environmental Science & Technology·Lisa A RodenburgQingyu Meng
Aug 11, 2017·Environmental Science & Technology·Lisa A RodenburgDonna E Fennell

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