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|Title:||Full report on Organophosphorous Compounds (OPCs) in surface waters of the Danube and selected tributaries|
|Authors:||UMLAUF Gunther; SUURKUUSK GERT; MARIANI Giulio; TAVAZZI SIMONA; PARACCHINI Bruno|
|Type:||Articles in periodicals and books|
|Abstract:||TheThe paper provides the full report on current spatial distribution and inputs of OPCs through analyses of dissolved phase water samples in the Danube and in selected tributaries. The sanmples were traken during JDS3 in Summert 2013 Among the investigated OPCs, Tris(1-chloro-2-propyl) phosphate (TCPP) clearly dominates, both in the Danube and in the tributaries. Looking into their toxicities, the concentrations for OPCs are several orders of magnitude below their effect levels for aquatic biota. Under the toxicity aspect, TMPP and TPhP, although lower in concentration, are ranking at first place and deserve further attention regarding their temporal trends. For most OPCs the concentrations in the tributaries do not differ much from the Danube itself. Consequently, the partially higher concentrations in the tributaries display no discrete impacts on the concentration downstream their confluence, thus to the overall discharge of the Danube. Generally the observed concentration differences do not reveal any local OPC emissions of concern for the Danube catchment, which would require action on hot spots or specific zones of emissions.|
|JRC Directorate:||Sustainable Resources|
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