Variables: dissolved_oygen dissolved_organic_carbon electric_conductivity concentration Keywords: MetFrag land use Systems: groundwater Substances: 5-Methyl-Benzotriazole (LRUDIIUSNGCQKF-UHFFFAOYSA-N) 1-(3-Chlorophenyl)-piperazin (VHFVKMTVMIZMIK-UHFFFAOYSA-N)