Study produced drug map of Czech Republic

A chemical analysis of wastewater in ten regions has detected traces of different drugs that are used in different areas of the country. Plzen showed higher levels of heroin, Prague higher levels of cocaine, Brno the party drug ecstasy and Usti nad Labem and Ostrava crystal methamphetamine. The head of the research team Lubor Hruska said he was surprised by the clear-cut distinctions. It is the first study of its kind in the Czech Republic.