Variables: dissolved_organic_carbon electric_conductivity Keywords: MetFrag Systems: groundwater Substances: 18-beta-Glycyrrhetinic acid (MPDGHEJMBKOTSU-YKLVYJNSSA-N) 1-(3-Chlorophenyl)-piperazin (VHFVKMTVMIZMIK-UHFFFAOYSA-N) Acemetacin (FSQKKOOTNAMONP-UHFFFAOYSA-N)