Organizations: Contaminant fate processes Variables: total_organic_carbon electric_conductivity Keywords: high resolution mass spectrometry pesticides metabolites Systems: groundwater Substances: 18-beta-Glycyrrhetinic acid (MPDGHEJMBKOTSU-YKLVYJNSSA-N) 1-(3-Trifluoromethylphenyl)-piperazine (KKIMDKMETPPURN-UHFFFAOYSA-N)