Organizations: Contaminant fate processes Variables: electric_conductivity Keywords: high resolution mass spectrometry MetFrag pesticides metabolites Systems: groundwater Substances: 1-Methyl-Benzotriazole (HXQHRUJXQJEGER-UHFFFAOYSA-N) 1-Naphthylacetic acid (PRPINYUDVPFIRX-UHFFFAOYSA-N)