Temporal trends in radiometrically dated sediment cores from English lakes show polybrominated diphenyl ethers correlate with brominated but not mixed bromo/chloro dioxins and furans

This paper reports concentrations between ~1950 and present, of polybrominated diphenyl ethers (PBDEs) and polybrominated dibenzo-p-dioxins and furans (PBDD/Fs), in radiometrically-dated sediment cores from three English lakes. Mixed bromo/chloro dibenzo-p-dioxins and furans (PXDD/Fs) were measured...

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Veröffentlicht in:The Science of the total environment 2021-03, Vol.762, p.143118-143118, Article 143118
Hauptverfasser: Peters, Leon I., Rose, Neil L., Yang, Handong, Klánová, Jana, Moehring, Thomas, Harrad, Stuart
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container_title The Science of the total environment
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creator Peters, Leon I.
Rose, Neil L.
Yang, Handong
Klánová, Jana
Moehring, Thomas
Harrad, Stuart
description This paper reports concentrations between ~1950 and present, of polybrominated diphenyl ethers (PBDEs) and polybrominated dibenzo-p-dioxins and furans (PBDD/Fs), in radiometrically-dated sediment cores from three English lakes. Mixed bromo/chloro dibenzo-p-dioxins and furans (PXDD/Fs) were measured in two of the same lakes. Concentrations of PXDD/Fs decreased over time to the present. To our knowledge, this is the first report of temporal trends of PXDD/Fs in the environment. In contrast, concentrations of PBDEs increased towards the present and were significantly correlated (R = 0.88–0.98; p 
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Mixed bromo/chloro dibenzo-p-dioxins and furans (PXDD/Fs) were measured in two of the same lakes. Concentrations of PXDD/Fs decreased over time to the present. To our knowledge, this is the first report of temporal trends of PXDD/Fs in the environment. In contrast, concentrations of PBDEs increased towards the present and were significantly correlated (R = 0.88–0.98; p &lt; 0.05) with concentrations of PBDFs in all three lakes. These observations suggest that the sources of PXDD/Fs are not related to PBDEs and differ from those of PBDFs. We also report for the first time the presence of octabromodibenzofuran (OBDF) in the two most recent core slices at one lake. The source of OBDF in these samples is unclear. While OBDF has been reported previously as a significant contaminant of some commercial formulations of Deca-BDE, it is also present in Octa-BDE products and in emissions from a variety of combustion activities. Overall, while the positive correlation between PBDEs and PBDFs suggests increased use of PBDEs has contributed substantially to environmental contamination with PBDFs; examination of PBDF homologue patterns implies emissions from combustion activities are likely also important. [Display omitted] •PBDEs, PBDD/Fs, and PXDD/Fs measured in UK lake sediment cores from ~1950–present.•PBDE concentrations increase towards the present.•Concentrations of PBDEs and PBDFs significantly correlated.•PXDD/F concentrations decrease towards the present.•Sources of PXDD/Fs are not related to PBDEs and differ from those of PBDFs.</description><identifier>ISSN: 0048-9697</identifier><identifier>EISSN: 1879-1026</identifier><identifier>DOI: 10.1016/j.scitotenv.2020.143118</identifier><identifier>PMID: 33129524</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Lakes ; PBDD/Fs ; PBDEs ; PXDD/Fs ; Sources ; Time trends</subject><ispartof>The Science of the total environment, 2021-03, Vol.762, p.143118-143118, Article 143118</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright © 2020 Elsevier B.V. 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Mixed bromo/chloro dibenzo-p-dioxins and furans (PXDD/Fs) were measured in two of the same lakes. Concentrations of PXDD/Fs decreased over time to the present. To our knowledge, this is the first report of temporal trends of PXDD/Fs in the environment. In contrast, concentrations of PBDEs increased towards the present and were significantly correlated (R = 0.88–0.98; p &lt; 0.05) with concentrations of PBDFs in all three lakes. These observations suggest that the sources of PXDD/Fs are not related to PBDEs and differ from those of PBDFs. We also report for the first time the presence of octabromodibenzofuran (OBDF) in the two most recent core slices at one lake. The source of OBDF in these samples is unclear. While OBDF has been reported previously as a significant contaminant of some commercial formulations of Deca-BDE, it is also present in Octa-BDE products and in emissions from a variety of combustion activities. Overall, while the positive correlation between PBDEs and PBDFs suggests increased use of PBDEs has contributed substantially to environmental contamination with PBDFs; examination of PBDF homologue patterns implies emissions from combustion activities are likely also important. [Display omitted] •PBDEs, PBDD/Fs, and PXDD/Fs measured in UK lake sediment cores from ~1950–present.•PBDE concentrations increase towards the present.•Concentrations of PBDEs and PBDFs significantly correlated.•PXDD/F concentrations decrease towards the present.•Sources of PXDD/Fs are not related to PBDEs and differ from those of PBDFs.</description><subject>Lakes</subject><subject>PBDD/Fs</subject><subject>PBDEs</subject><subject>PXDD/Fs</subject><subject>Sources</subject><subject>Time trends</subject><issn>0048-9697</issn><issn>1879-1026</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFkc1u1TAQhS0EopfCK4CXbHLrn_x5WVUtIFViU9aW7UyIL44dbKftfTGeD4dbKnZ4Y3nmnDMafwh9oGRPCW0vDvtkbA4Z_P2eEVaqNae0f4F2tO9ERQlrX6IdIXVfiVZ0Z-hNSgdSTtfT1-iMc8pEw-od-nUH8xKicjhH8EPC1uOoBhtmyNEa5dwRDyrDgBMMdgafsQkREh5jmPG1_-5smrBTP0opTeEBL8EddelZ_8c12GUCf3QY8gQxbeYIrrTwg80T_kep14x9yHi2j9urNMKFmVyIoYSER-sTVn7A4xqVT2_Rq1G5BO-e7nP07eb67upzdfv105ery9vK1IzkynRMM9NrTcrnjB1tG2204Fw1tCVM85GwhmpBtFBaUFoLweum54LxnraKEn6OPp5ylxh-rpCynG0y4JzyENYkWd20fUubvinS7iQ1MaQUYZRLtLOKR0mJ3KDJg3yGJjdo8gStON8_DVn1DMOz7y-lIrg8CaCsem8hbkHgTSESwWQ5BPvfIb8BkkWxXA</recordid><startdate>20210325</startdate><enddate>20210325</enddate><creator>Peters, Leon I.</creator><creator>Rose, Neil L.</creator><creator>Yang, Handong</creator><creator>Klánová, Jana</creator><creator>Moehring, Thomas</creator><creator>Harrad, Stuart</creator><general>Elsevier B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20210325</creationdate><title>Temporal trends in radiometrically dated sediment cores from English lakes show polybrominated diphenyl ethers correlate with brominated but not mixed bromo/chloro dioxins and furans</title><author>Peters, Leon I. ; Rose, Neil L. ; Yang, Handong ; Klánová, Jana ; Moehring, Thomas ; Harrad, Stuart</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c420t-c72b2c8bb0118f7165bcb933a51602b3f0251b90b9ab91149934583923816a103</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Lakes</topic><topic>PBDD/Fs</topic><topic>PBDEs</topic><topic>PXDD/Fs</topic><topic>Sources</topic><topic>Time trends</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Peters, Leon I.</creatorcontrib><creatorcontrib>Rose, Neil L.</creatorcontrib><creatorcontrib>Yang, Handong</creatorcontrib><creatorcontrib>Klánová, Jana</creatorcontrib><creatorcontrib>Moehring, Thomas</creatorcontrib><creatorcontrib>Harrad, Stuart</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The Science of the total environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Peters, Leon I.</au><au>Rose, Neil L.</au><au>Yang, Handong</au><au>Klánová, Jana</au><au>Moehring, Thomas</au><au>Harrad, Stuart</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Temporal trends in radiometrically dated sediment cores from English lakes show polybrominated diphenyl ethers correlate with brominated but not mixed bromo/chloro dioxins and furans</atitle><jtitle>The Science of the total environment</jtitle><addtitle>Sci Total Environ</addtitle><date>2021-03-25</date><risdate>2021</risdate><volume>762</volume><spage>143118</spage><epage>143118</epage><pages>143118-143118</pages><artnum>143118</artnum><issn>0048-9697</issn><eissn>1879-1026</eissn><abstract>This paper reports concentrations between ~1950 and present, of polybrominated diphenyl ethers (PBDEs) and polybrominated dibenzo-p-dioxins and furans (PBDD/Fs), in radiometrically-dated sediment cores from three English lakes. Mixed bromo/chloro dibenzo-p-dioxins and furans (PXDD/Fs) were measured in two of the same lakes. Concentrations of PXDD/Fs decreased over time to the present. To our knowledge, this is the first report of temporal trends of PXDD/Fs in the environment. In contrast, concentrations of PBDEs increased towards the present and were significantly correlated (R = 0.88–0.98; p &lt; 0.05) with concentrations of PBDFs in all three lakes. These observations suggest that the sources of PXDD/Fs are not related to PBDEs and differ from those of PBDFs. We also report for the first time the presence of octabromodibenzofuran (OBDF) in the two most recent core slices at one lake. The source of OBDF in these samples is unclear. While OBDF has been reported previously as a significant contaminant of some commercial formulations of Deca-BDE, it is also present in Octa-BDE products and in emissions from a variety of combustion activities. 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subjects Lakes
PBDD/Fs
PBDEs
PXDD/Fs
Sources
Time trends
title Temporal trends in radiometrically dated sediment cores from English lakes show polybrominated diphenyl ethers correlate with brominated but not mixed bromo/chloro dioxins and furans
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