Senta, Ivan; Krizma-Matasic, Ivona; Kostanjevečki, Petra; González-Mariño, Iria; Rodil, Rosario; Benito Quintana, Jose; Mikac, Iva; Terzić, Senka; Ahel, Marijan (2023) Assessing the impact of a major electronic music festival on the consumption patterns of illicit and licit psychoactive substances in a Mediterranean city using wastewater analysis. Science of the Total Environment, 892 . ISSN 0048-9697
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Abstract
The consumption patterns of five categories of psychoactive substances (PS), including “conventional” illicit drugs, new psychoactive substances (NPS), therapeutic opioids, alcohol and nicotine, were studied in the city of Split, Croatia, using wastewater-based epidemiology (WBE), with an emphasis on the impact of a large electronic music festival. The study involved the analysis of 57 urinary biomarkers of PS in raw municipal wastewater samples collected in three characteristic periods, including the festival week in the peak-tourist season (July) and reference weeks in the peak-tourist season (August) and the off-tourist season (November). Such a large number of biomarkers allowed the recognition of distinct patterns of PS use associated with the festival, but also revealed some subtle differences between summer and autumn seasons. The festival week was characterized by markedly increased use of illicit stimulants (MDMA: 30-fold increase; cocaine and amphetamine: 1.7-fold increase) and alcohol (1.7-fold increase), while consumption of other common illicit drugs (cannabis and heroin), major therapeutic opioids (morphine, codeine and tramadol) and nicotine remained rather constant. Interestingly, NPS and methamphetamine clearly contributed to the festival PS signature in wastewater, but their prevalence was rather low compared to that of common illicit drugs. Estimates of cocaine and cannabis use were largely consistent with prevalence data from national surveys, whereas differences were found for typical amphetamine-type recreational drugs, particularly MDMA, and for heroin. The WBE data suggest that the largest proportion of morphine came from heroin consumption and that the percentage of heroin users seeking treatment in Split is probably rather low. The prevalence of smoking calculated in this study (30.6 %) was consistent with national survey data for 2015 (27.5–31.5 %), while the average alcohol consumption per capita >15 years (5.2 L) was lower than sales statistics suggest (8.9 L).
| Item Type: | Article | ||||||||||||
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| Uncontrolled Keywords: | Cotinine; Ethyl sulfate; Illegal drugs; Sewage epidemiology; Substances of abuse; Wastewater-based epidemiology; Tobacco | ||||||||||||
| Subjects: | NATURAL SCIENCES > Interdisciplinary Natural Sciences > Environmental Science | ||||||||||||
| Divisions: | Division for Marine and Enviromental Research | ||||||||||||
| Projects: |
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| Depositing User: | Ivona Krizman Matasić | ||||||||||||
| Date Deposited: | 10 Jan 2025 11:00 | ||||||||||||
| URI: | http://fulir.irb.hr/id/eprint/9411 | ||||||||||||
| DOI: | 10.1016/j.scitotenv.2023.164547 |
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