Organizations: Contaminant fate processes Variables: dissolved_organic_carbon concentration electric_conductivity pH Keywords: MetFrag high resolution mass spectrometry pesticides metabolites Systems: groundwater Substances: 18-beta-Glycyrrhetinic acid (MPDGHEJMBKOTSU-YKLVYJNSSA-N) 1-Methyl-Benzotriazole (HXQHRUJXQJEGER-UHFFFAOYSA-N)