Abstract
This chapter provides an overview about the occurrence of persistent organic pollutants (POPs) in the Llobregat River basin (NE Spain). This basin historically has received considerable amounts of contaminants from both urban and industrial origin as well as from agricultural holdings. Among these contaminants, POPs are ubiquitous compounds of great concern due to their high persistence in the environment, high bioaccumulative nature and adverse effects (toxicity, carcinogenic and mutagenic effects, etc.) on wildlife and humans. These persistent contaminants include compounds such as chlorinated pesticides, polychlorinated byphenyls (PCBs) and polyaromatic hydrocarbons (PAHs). This overview has been complemented with a recent monitoring study carried out in the framework of the SCARCE project in which the occurrence of 52 POPs in sediment samples from Llobregat River basin has been evaluated. Concentrations were compared with two approaches derived from a consensus sediment quality guideline (SQG) in order to assess the chemical quality of the sediments along the basin. Finally, the toxic potency associated with PAHs exposure is also evaluated.
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Abbreviations
- ACA:
-
Catalan Water Agency (Agència Catalana de l'Aigua)
- BFRs:
-
Brominated flame retardants
- DDD:
-
Dichlorodiphenyldichloroethane
- DDE:
-
Dichlorodiphenyldichloroethylene
- DDT:
-
Dichlorodiphenyltrichloroethane
- DLC:
-
Dioxin-like compounds
- dw:
-
Dry weight
- EPA:
-
Environmental Protection Agency
- EQC:
-
Equilibrium criterion
- EROD:
-
Ethoxyresorufin-O-deethylase
- EUSES:
-
European Uniform System for the Evaluation of Substances
- HCB:
-
Hexachlorobenzene
- HCHs:
-
Hexachlorocyclohexanes
- IARC:
-
International Agency for Research on Cancer
- OCPs:
-
Organochlorinated pesticides
- PAH:
-
Polycyclic aromatic hydrocarbons
- PCBs:
-
Polychlorinated biphenyls
- PCDDs:
-
Polychlorinated dibenzo-p-dioxins
- PCDFs:
-
Polychlorinated dibenzofurans
- PCNs:
-
Polychlorinated naphthalenes
- PEC:
-
Probable effect concentration
- POPs:
-
Persistent organic pollutants
- SQGs:
-
Sediment quality guidelines
- TCDD:
-
Tetrachlorodibenzo-p-dioxin
- TEC:
-
Threshold effect concentration
- TEF:
-
Toxicity equivalent factors
- TEQ:
-
Toxicity equivalent quantity
- TOC:
-
Total organic carbon
- US EPA:
-
United States Environmental Protection Agency
- WWTP:
-
Wastewater treatment plants
- ∑PAHs:
-
Sum of total PAHs
- ∑PCBs:
-
Sum of total PCBs
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Guillén, D., Ginebreda, A., Eljarrat, E., Petrovic, M., Barceló, D. (2012). Occurrence of Persistent Organic Pollutants in the Llobregat River Basin: An Overview. In: Sabater, S., Ginebreda, A., Barceló, D. (eds) The Llobregat. The Handbook of Environmental Chemistry, vol 21. Springer, Berlin, Heidelberg. https://doi.org/10.1007/698_2012_144
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DOI: https://doi.org/10.1007/698_2012_144
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