Distribution and transportability of hexabromocyclododecane (HBCD) in the Asia-Pacific region using skipjack tuna as a bioindicator

Daisuke Ueno, Mehran Alaee, Chris Marvin, Derek C.G. Muir, Gordia Macinnis, Eric Reiner, Patrick Crozier, Vasile I. Furdui, Annamalai Subramanian, Gilberto Fillmann, Paul K.S. Lam, Gene J. Zheng, Muswerry Muchtar, Hamidah Razak, Maricar Prudente, Kyu hyuck Chung, Shinsuke Tanabe

Research output: Contribution to journalArticlepeer-review

85 Citations (Scopus)

Abstract

The geographical distribution of hexabromocyclododecane (HBCD) was investigated through analysis of muscle tissue of skipjack tuna (Katsuwonus pelamis) collected from offshore waters of Asia-Pacific region (Japan, Taiwan, Philippines, Indonesia, Seychelles, Brazil, Japan Sea, East China Sea, South China Sea, Indian Ocean and North Pacific Ocean). HBCD was detected in almost all samples analyzed (<0.1 to 45 ng/g lipid weight basis), indicating widespread presence of this compound in the marine environment. Elevated concentrations of HBCD were found in skipjack tuna from areas around Japan, which have the larger modern industrial/urban societies, and implicated these areas as primary regional sources. All three individual HBCD isomers (α-, γ- and β-HBCD) were detected in almost all samples; the percentage contribution of the α-isomer to total HBCD increased with increasing latitude. The estimated empirical 1/2 distance for α-HBCD was 8500 km, which is one of the highest atmospheric transportability among various halogenated persistent organic pollutants (POPs).

Original languageEnglish
Pages (from-to)238-247
Number of pages10
JournalEnvironmental Pollution
Volume144
Issue number1
DOIs
Publication statusPublished - Nov 2006
Externally publishedYes

Keywords

  • Atmospheric transport
  • Brominated flame retardant
  • Fish
  • Hexabromocyclododecanes
  • Persistent organic pollutants

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