Variables: dissolved_oygen total_organic_carbon electric_conductivity Keywords: micropollutants high resolution mass spectrometry pesticides metabolites Systems: groundwater Substances: 2-4-dimethylphenylformamide (JOFDPSBOUCXJCC-UHFFFAOYSA-N) 2 -2 -Difluorodeoxyuridin (FIRDBEQIJQERSE-QPPQHZFASA-N)