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The Llobregat pp 135-150 | Cite as

Occurrence and Behavior of Brominated Flame Retardants in the Llobregat River Basin

  • E. EljarratEmail author
  • D. Barceló
Chapter
Part of the The Handbook of Environmental Chemistry book series (HEC, volume 21)

Abstract

This chapter summarizes brominated flame retardant research in the Llobregat River basin. The work included the analysis of sediments and biota, with special attention on aspects such as occurrence, bioavailability, and bioaccumulation of these contaminants. The previous studies were focused only on the PBDE contamination issue; however, some emerging BFRs, such as HBB, PBEB, and DBDPE, were also included into the last works. For river sediment samples PBDE levels were between 2 and 10 ng/g dw, whereas coastal sediments showed higher concentrations, with values ranging between 25 and 134 ng/g dw. For both river and coastal sediments, the contribution of deca-BDE-209 on the total PBDE contamination was high, ranging between 50% and 99%. As regards biota samples, and more specifically, feral carps, PBDE levels ranged between 29 and 744 ng/g lw. Differences in PBDE profiles between sediments and fish were noticed, and they can be attributed to differential bioavailability or due to biotransformation processes. Finally, emerging BFRs were also detected in sediment samples, but at lower concentration levels than those observed for PBDEs.

Graphical Abstract

Keywords

Bioaccumulation Bioavailability Brominated flame retardants Decabromodiphenylethane Hexabromobenzene Pentabromoethylbenzene Polybrominated diphenyl ether 

Abbreviations and Symbols

BFR

Brominated flame retardant

DBDPE

Decabromodiphenylethane

dw

Dry weight

EROD

7-ethoxyresorufin O-deethylase

GC

Gas chromatography

HBB

Hexabromobenzene

LOD

Limit of detection

lw

Lipid weight

MS

Mass spectrometry

NCI

Negative chemical ionization

PBDE

Polybrominated diphenyl ether

PBEB

Pentabromoethylbenzene

PCB

Polychlorinated biphenyl

PCDD

Polychlorinated dibenzo-p-dioxin

PCDF

Polychlorinated dibenzofuran

PLE

Selective pressurized liquid extraction

POP

Persistent organic pollutant

WWTP

Wastewater treatment plant

Notes

Acknowledgments

This research study was funded by the Spanish Ministry of Science and Innovation through the projects CEMAGUA (CGL2007-64551/HID) and SCARCE (Consolider Ingenio 2010 CSD2009-00065).

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.Department of Environmental ChemistryIDAEA, CSICBarcelonaSpain
  2. 2.Catalan Institute for Water Research (ICRA)Parc Científic i Tecnològic de la Universitat de GironaGironaSpain
  3. 3.King Saud UniversityRiyadhSaudi Arabia

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