Study finds cocaine in the air of Madrid and Barcelona

The results revealed cocaine is the predominant drug in the air of the two cities of Madrid and Barcelona , the CSIC institute said on Wednesday.

Study finds cocaine in the air of Madrid and Barcelona

Spanish scientists have detected the presence of cocaine in the air of Madrid and Barcelona by using a new technique for the first time, a research institute says.

The scientists looked for 17 components in five different types of illegal drugs - cocaine, amphetamines, opiates, cannabinoids and lysergic acid.

The results revealed cocaine is the predominant drug in the air of the two cities, the CSIC institute said on Wednesday.

It was found in concentrations of 29 to 850 picograms per cubic metre of air. A picogram is one trillionth of a gram.

The study is the result of the first use of a new method for the detection of drugs in the air, adapted specifically for the researchers, who are to publish their results in the review "Analytical Chemistry".

"Heroin was also found in detectable levels in the samples taken in Madrid, but not in those from Barcelona," the CSIC said.

This it explained by the fact that the area of Madrid where the sample was taken is close to a district where drug dealers are suspected of operating.

The scientists also reported a higher concentration of the components during the weekend, "suggesting higher consumption this time."

But it said there was no reason for the public to be concerned.

"Even if we lived 1,000 years we would not consume the equivalant of a dose of cocaine through the air," said one of the scientists, Miren Lopez de Alda.



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