Organizations: Contaminant fate processes Variables: total_organic_carbon pH electric_conductivity Keywords: land use high resolution mass spectrometry MetFrag Substances: 18-beta-Glycyrrhetinic acid (MPDGHEJMBKOTSU-YKLVYJNSSA-N) 1-Propanesulfonate (KCXFHTAICRTXLI-UHFFFAOYSA-N)