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Chlorinated and brominated organic pollutants in shellfish from the Yellow Sea and East China Sea

Yin, Ge (author)
Stockholms universitet,Institutionen för material- och miljökemi (MMK)
Asplund, Lillemor (author)
Stockholms universitet,Institutionen för material- och miljökemi (MMK)
Qui, Yanling (author)
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Zhou, Yihui (author)
Wang, Hua (author)
Yao, Zongli (author)
Jiang, Jianbin (author)
Bergman, Åke (author)
Karolinska Institutet,Stockholms universitet,Institutionen för material- och miljökemi (MMK),Tongji University, China
Qiu, YL (author)
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 (creator_code:org_t)
2014-06-25
2015
English.
In: Environmental Science and Pollution Research. - : Springer Science and Business Media LLC. - 0944-1344 .- 1614-7499. ; 22:3, s. 1713-1722
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The global contamination with persistent organic pollutants (POPs), or compounds with similar characteristics, is well known. Still there are data gaps for POP concentrations from many areas in the world. The aim of the present study is to assess several legacies POPs and also hexabromocyclododecane (HBCDD) and methoxylated polybrominated diphenyl ethers (MeO-PBDEs) in shellfish from three locations in the Yellow Sea and East China Sea. The sources of the contaminants are discussed. Pooled samples were treated by liquid-liquid extraction and acid and column cleanup prior to analysis by gas chromatogram equipped with electron capture detector (GC-ECD) and gas chromatography-mass spectrometry (GC-MS). The by far most abundant environmental contaminant originates from dichlorodiphenyltrichloroethane (DDT), independent of species analyzed or sampling site. The results indicate ongoing or at least recent discharges of DDT. The second highest concentrations were reported for HBCDD (21–40 ng/g fat) in the shellfish, independent of sampling sites. The two natural products, 6-MeO-BDE-47 and 2′-MeO-BDE-68, were also present in the shellfish (1.3–22 and 1–14 ng/g fat, respectively). The polychlorinated biphenyl (PCB) congener CB-153 (0.8–6.5 ng/g fat), hexachlorobenzene (HCB) (1.1–3.6 ng/g fat), and β-hexachlorocyclohexane (β-HCH) (2.3–4.9 ng/g fat) were all higher than the concentrations of other HCH isomers, β-endosulfan, PBDE congeners, and mirex. Apart from the DDTs and HBCDDs, it is evident that the pollution of shellfish was similar to, or lower than, the contamination of shellfish in other parts of the world.

Subject headings

NATURVETENSKAP  -- Kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences (hsv//eng)
NATURVETENSKAP  -- Geovetenskap och miljövetenskap (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences (hsv//eng)

Keyword

Shellfish
Pesticides
HBCDD
DDT
MeO-PBDE
China
miljökemi
Environmental Chemistry

Publication and Content Type

ref (subject category)
art (subject category)

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