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Título: | River pollution by priority chemical substances under the Water Framework Directive: A provisional pan-European assessment |
Autor: | Pistocchi, Alberto; Dorati, Chiara; Aloe, Alberto; Ginebreda Martí, Antoni CSIC ORCID; Marcé, Rafael CSIC ORCID | Palabras clave: | Emission inventorying Inverse modelling IPChem Priority Substances Water Framework Directive |
Fecha de publicación: | 20-abr-2019 | Editor: | Elsevier | Citación: | Science of the Total Environment 662: 434-445 (2019) | Resumen: | In this paper, we build a preliminary inventory of dissolved phase water emissions of 36 of the 45 chemical priority substances under the European Union's Water Framework Directive. For point sources, we consider the European Pollutant Release and Transfer Register (E-PRTR) containing reported emissions from major industrial facilities. We consider all other sources as diffuse, and we estimate European average chemical emission factors from available measurements of dissolved phase concentrations, assuming simple emission patterns such as population and agricultural land. The emission inventory enables modelling concentrations, which have been compared with independent measurements. Due to the way they are estimated, they cannot withstand a point-by-point comparison. However, predicted concentrations exhibit a frequency distribution and order of magnitude compatible with observations, and match a fair proportion of independently reported exceedances of environmental quality standards for many of the substances studied. While apparently a preliminary picture based on crude simplifications, our representation suggests that simple drivers such as population and agriculture are useful to describe chemical pollution at European scale. From our preliminary inventory, E-PRTR industrial point emissions seem to account for a relatively small share of total emissions. Consequently, apart from specific measures such as upgrades to urban wastewater treatment plants in certain high impact areas, the management of priority substances may require a more strategic approach to emission control, addressing chemical use across sectors and the management of out-phased, legacy chemicals. At the same time, we advocate that improving emission inventories requires monitoring data reflecting the variability of emission patterns across Europe, as presently available monitoring data do not enable a catchment-specific estimation of emissions. © 2019 The Authors | Versión del editor: | https://doi.org/10.1016/j.scitotenv.2018.12.354 | URI: | http://hdl.handle.net/10261/176538 | DOI: | 10.1016/j.scitotenv.2018.12.354 |
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River pollution by priority chemical substances under the Water Framework Directive.pdf | 2,8 MB | Adobe PDF | Visualizar/Abrir |
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