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Multi-year inter-laboratory exercises for the analysis of illicit drugs and metabolites in wastewater: Development of a quality control system

AuthorsNuijs, Alexander van; Yin Lai, Foon; Been, Frederic; Andrés-Costa, María Jesús; Barron, Leon P.; Baz-Lomba, Jose Antonio; Berset, Jean-Daniel; Benaglia, Lisa; Bijlsma, Lubertus; Burgard, Dan; Castiglioni, S.; Christophoridis, Christophoros; Covaci, Adrian; Voogt, Pim de; Emke, Erik; Fatta-Kassinos, Despo; Fick, Jerker; Hernández, Félix; Gerber, Cobus; González-Mariño, Iria; Grabic, Roman; Gunnar,Teemu; Kannan, Kurunthachalam; Karolak, Sara; Kasprzyk-Hordern, Barbara; Kokot, Zenon; Krizman-Matasic, Ivona; Li, Angela; Li, Xiqing; Löve, Arndís S.C.; López de Alda, Miren CSIC ORCID ; McCall, Ann-Kathrin; Meyer, Markus R.; Oberacher, Herbert; O'Brien, Jake; Quintana, Benito; Reid, Malcolm; Schneider, Serge; Sadler Simoes, Susana; Thomaidis, Nikolaos S.; Thomas, Kevin V.; Yargeau, Viviane; Ort, Christoph
KeywordsIllicit drugs
Inter-laboratory testing
Wastewater-based epidemiology
Quality assurance
Issue DateJun-2018
CitationTRAC - Trends in Analytical Chemistry 103: 34-43 (2018)
AbstractThirty-seven laboratories from 25 countries present the development of an inter-laboratory testing scheme for the analysis of seven illicit drug residues in standard solutions, tap- and wastewater. Almost 10 000 concentration values were evaluated: triplicates of up to five samples and 26 laboratories per year. The setup was substantially improved with experiences gained across the six repetitions (e.g. matrix type, sample conditions, spiking levels). From this, (pre-)analytical issues (e.g. pH adjustment, filtration) were revealed for specific analytes which resulted in formulation of best-practice protocols for inter-laboratory setup and analytical procedures. The results illustrate the effectiveness of the inter-laboratory setup to assess laboratory performance in the framework of wastewater-based epidemiology. The exercise proved that measurements of laboratories were of high quality (>80% satisfactory results for six out of seven analytes) and that analytical follow-up is important to assist laboratories in improving robustness of wastewater-based epidemiology results.
Publisher version (URL)http://dx.doi.org/10.1016/j.trac.2018.03.009
Appears in Collections:(CIDE) Artículos
(IDAEA) Artículos
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