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Bristol named cocaine capital of Europe following sewage study

The Independent logo The Independent 14/03/2019 Tom Barnes

A customs officer presents cocaine from a record haul of 3.8 tons of cocaine at a press conference in Hamburg, Germany, 20 July 2017. German customs say the haul has a street value of around 800 million euros. Photo: Christian Charisius/dpa (Photo by Christian Charisius/picture alliance via Getty Images) © Copyright 2017, dpa. Alle Rechte vorbehalten A customs officer presents cocaine from a record haul of 3.8 tons of cocaine at a press conference in Hamburg, Germany, 20 July 2017. German customs say the haul has a street value of around 800 million euros. Photo: Christian Charisius/dpa (Photo by Christian Charisius/picture alliance via Getty Images) Bristol has been named as the cocaine capital of Europe following a study examining traces of the drug in sewage across the continent.

Researchers looked at wastewater in dozens of cities in a bid to understand drug-taking habits, testing for benzoylecgonine (BE), the compound produced when the body breaks down the Class A substance.

Bristol topped the list, with the average daily concentration of BE in the city’s wastewater standing at 969.2mg per 1,000 people in 2018, up from 754.7mg the year previous.

© Provided by Independent Digital News & Media Limited Amsterdam recorded the second highest figure in 2018, with 932.4mg, followed by Zurich at 856.0mg, Antwerp Zuid with 771.8mg and Barcelona, where the average reading was 733.2mg.

Bristol was the only UK city participating in last year’s research. London’s wastewater, which has taken the European cocaine crown in previous studies, was not included. 

A report on the research, published by the European Monitoring Centre for Drugs and Drug Addiction, said: “The BE loads observed in wastewater indicate that cocaine use remains highest in western and southern European cities, in particular in cities in Belgium, the Netherlands, Spain and the United Kingdom.

“Very low levels were found in the majority of the eastern European cities studied, but the most recent data show signs of increases.”

The paper suggested a range of factors could be influencing an increase in cocaine residues detected in several cities.

© Getty Images “While it may indicate that more people are consuming cocaine, it may mean that there is greater use of cocaine by the same people,” the report said.

“Alternatively, it may simply reflect the increased purity of cocaine in Europe, leading to increased metabolite detection in wastewater.

“This increase could also be explained by a combination of these three causes.”

The project analysed wastewater in 73 cities in 20 European countries, covering a total population of around 46 million, in March last year.

As well as cocaine, wastewater was examined for traces of amphetamine, MDMA and methamphetamine. 

The 2018 findings pointed to increases in MDMA, or ecstasy, traces and amphetamine residues in several locations.

Methamphetamine, which has historically been concentrated in the Czech Republic and Slovakia, now also appears to be present in Cyprus, the east of Germany, Spain and northern Europe, according to the report.

The analysis also came to the perhaps unsurprising conclusion that MDMA and cocaine use rises sharply at weekends in most cities.

Additional reporting by PA

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