Organizations: Contaminant fate processes Variables: dissolved_oygen Keywords: high resolution mass spectrometry pesticides metabolites land use Systems: groundwater Substances: 18-beta-Glycyrrhetinic acid (MPDGHEJMBKOTSU-YKLVYJNSSA-N) 2 -2 -Difluorodeoxyuridin (FIRDBEQIJQERSE-QPPQHZFASA-N)