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ESAR-Net: a collaborative effort to expand the application of wastewater epidemiology in Spain

AuthorsBijlsma, Lubertus; Celma Tirado, A.; Hernández, F.; González-Mariño, I.; Montes, R.; Rodil, R.; Estévez-Danta, A.; Postigo, Cristina ; López de Alda, Miren ; López-García, Ester ; Andreu Pérez, V. ; Picó, Yolanda; Marcé, R.; Pocurull, Eva; Rico, A.; Valcárcel, Yolanda; Miró, M.; Prieto, A.; Quintana, José
Issue Date4-May-2020
CitationSETAC Europe 30th Annual Meeting (2020)
AbstractData obtained from wastewater analysis can provide rapid and complementary insights in illict drug consumption at community level. Drug use has been assessed through wastewater analysis at national level in, for example, Australia, Belgium, Finland and South Korea and has also provided annually a one week snapshot of illicit drug volumes consumed in European cities (http://www.emcdda.europa.eu/topics/ pods/waste-water-analysis). However, a wastewater monitoring program did not exist in Spain, but leading experts have formed a network (https://www.esarnet.es/) to promote wastewater-based epidemiology at national level and communicate their findings to authorities and policymakers. Within Europe, Spain is an important country of transit of both cocaine and cannabis, due to its cultural, linguistic and colonial ties to Latin America and its proximity to Morocco. The quantity of seized cocaine and cannabis and prevalence of use, locates Spain at the top of Europe. In this work, a national wastewater campaign has been performed to get more insight on the consumption of illicit drugs and NPS within Spain for the first time. Wastewater results from 14 Spanish cities were compared with previously reported data and other national indicators. The cities, located in 7 of the 17 autonomous communities, cover approximately 6 million inhabitants (12.8 of the Spanish population). Untreated wastewater samples were analyzed for urinary biomarkers of amphetamine, methamphetamine, MDMA, cocaine and cannabis. In addition to these conventional drugs, weekend samples were monitored for several new psychoactive substances (NPS) (i.e. phenethylamines and cathinones). The selected NPS are known as possible replacement of these conventional drugs or among those previously reported. Finally, enantiomeric profiling of amphetamine was performed for one city in order to assure the results were due to consumption and not illegal dumping of production residues. This demonstrates another application of wastewater-based epidemiology, which allows to identify the originof drugs in wastewater.
DescriptionResumen del trabajo presentado en el SETAC Europe 30th Annual Meeting, celebrado en modalidad virtual del 3 al 7 de mayo de 2020.
Appears in Collections:(CIDE) Comunicaciones congresos
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