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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Future water quality monitoring: improving the balance between exposure and toxicity assessments of real-world pollutant mixtures

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Altenburger, Rolf [1, 2] ; Brack, Werner [1, 2] ; Burgess, Robert M. [3] ; Busch, Wibke [2] ; Escher, Beate I. [2, 4] ; Focks, Andreas [5] ; Hewitt, L. Mark [6] ; Jacobsen, Bo N. [7] ; Lopez de Alda, Miren [8] ; Ait-Aissa, Selim [9] ; Backhaus, Thomas [10] ; Ginebreda, Antoni [8] ; Hilscherova, Klara [11] ; Hollender, Juliane [12] ; Hollert, Henner [1] ; Neale, Peta A. [13] ; Schulze, Tobias [2] ; Schymanski, Emma L. [12, 14] ; Teodorovic, Ivana [15] ; Tindall, Andrew J. [16] ; Umbuzeiro, Gisela de Aragao [17] ; Vrana, Branislav [11] ; Zonja, Bozo [8] ; Krauss, Martin [2]
Total Authors: 24
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[1] Rhein Westfal TH Aachen, Inst Environm Res, D-52074 Aachen - Germany
[2] UFZ Helmholtz Ctr Environm Res, Permoserstr 15, D-04318 Leipzig - Germany
[3] US EPA, Off Res & Dev, Atlantic Ecol Div, Narragansett, RI - USA
[4] Eberhard Karls Univ Tubingen, Ctr Appl Geosci, D-72074 Tubingen - Germany
[5] Wageningen Univ & Res Ctr, Alterra, POB 47, NL-6700 AA Wageningen - Netherlands
[6] Environm & Climate Change Canada, Burlington, ON - Canada
[7] Sophus Bauditz Vej 19 B, DK-2800 Lyngby - Denmark
[8] CSIC, IDAEA, Inst Environm Assessment & Water Res, Water & Soil Qual Res Grp, Jordi Girona 18-26, ES-08034 Barcelona - Spain
[9] Inst Natl Environm Ind & Risques INERIS, Unite Ecotoxicol Vitro & Vivo, UMRI 02 SEBIO, F-60550 Verneuil En Halatte - France
[10] Univ Gothenburg, Dept Biol & Environm Sci, Carl Skottbergs Gata 22b, S-40530 Gothenburg - Sweden
[11] Masaryk Univ, Res Ctr Tox Cpds Environm RECETOX, Kamenice 753-5, Brno 62500 - Czech Republic
[12] Swiss Fed Inst Aquat Sci & Technol, Eawag, CH-8600 Dubendorf - Switzerland
[13] Griffith Univ, Australian Rivers Inst, Griffith Sch Environm & Sci, Southport, Qld 4222 - Australia
[14] Univ Luxembourg, LCSB, 6 Ave Swing, L-4367 Belvaux - Luxembourg
[15] Univ Novi Sad, Fac Sci, Novi Sad 321000 - Serbia
[16] WatchFrog, Batiment Genavenir 3, 1 Rue Pierre Fontaine, F-91000 Evry - France
[17] Univ Estadual Campinas, FT UNICAMP, Fac Tecnol, BR-13484332 Limeira, SP - Brazil
Total Affiliations: 17
Document type: Journal article
Web of Science Citations: 17

Environmental water quality monitoring aims to provide the data required for safeguarding the environment against adverse biological effects from multiple chemical contamination arising from anthropogenic diffuse emissions and point sources. Here, we integrate the experience of the international EU-funded project SOLUTIONS to shift the focus of water monitoring from a few legacy chemicals to complex chemical mixtures, and to identify relevant drivers of toxic effects. Monitoring serves a range of purposes, from control of chemical and ecological status compliance to safeguarding specific water uses, such as drinking water abstraction. Various water sampling techniques, chemical target, suspect and non-target analyses as well as an array of in vitro, in vivo and in situ bioanalytical methods were advanced to improve monitoring of water contamination. Major improvements for broader applicability include tailored sampling techniques, screening and identification techniques for a broader and more diverse set of chemicals, higher detection sensitivity, standardized protocols for chemical, toxicological, and ecological assessments combined with systematic evidence evaluation techniques. No single method or combination of methods is able to meet all divergent monitoring purposes. Current monitoring approaches tend to emphasize either targeted exposure or effect detection. Here, we argue that, irrespective of the specific purpose, assessment of monitoring results would benefit substantially from obtaining and linking information on the occurrence of both chemicals and potentially adverse biological effects. In this paper, we specify the information required to: (1) identify relevant contaminants, (2) assess the impact of contamination in aquatic ecosystems, or (3) quantify cause-effect relationships between contaminants and adverse effects. Specific strategies to link chemical and bioanalytical information are outlined for each of these distinct goals. These strategies have been developed and explored using case studies in the Danube and Rhine river basins as well as for rivers of the Iberian Peninsula. Current water quality assessment suffers from biases resulting from differences in approaches and associated uncertainty analyses. While exposure approaches tend to ignore data gaps (i.e., missing contaminants), effect-based approaches penalize data gaps with increased uncertainty factors. This integrated work suggests systematic ways to deal with mixture exposures and combined effects in a more balanced way, and thus provides guidance for future tailored environmental monitoring. (AU)

FAPESP's process: 13/16956-6 - Diagnostic strains of the Salmonella / microsome assay as a potential tool in effect directed analysis: application in a solution-oriented project
Grantee:Gisela de Aragão Umbuzeiro
Support type: Regular Research Grants
FAPESP's process: 15/24758-5 - Virtual effect directed analysis for mutagenicity characterization of relevant environmental samples
Grantee:Gisela de Aragão Umbuzeiro
Support type: Regular Research Grants