Organizations: Contaminant fate processes Variables: electric_conductivity concentration Keywords: high resolution mass spectrometry MetFrag Substances: 1-Naphthylacetic acid (PRPINYUDVPFIRX-UHFFFAOYSA-N) 2 -2 -Difluorodeoxyuridin (FIRDBEQIJQERSE-QPPQHZFASA-N)