Variables: dissolved_organic_carbon electric_conductivity concentration Substances: 4-Hydroxy Diclofenac (KGVXVPRLBMWZLG-UHFFFAOYSA-N) 1-Naphthylacetic acid (PRPINYUDVPFIRX-UHFFFAOYSA-N) Systems: groundwater Keywords: MetFrag pesticides metabolites land use