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Purpose Psychoactive compounds—meprobamate, pyrithyldione, primidone, and its metabolites, phenobarbital, and phenylethylmalonamide—were detected in groundwater within the catchment area of a drinking water treatment plant located downgradient of a former sewage farm in Berlin, Germany. The aim of this study was to investigate the distribution of the psychoactive compounds in anoxic groundwater and...
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