Variables: total_organic_carbon electric_conductivity Keywords: micropollutants Substances: 18-beta-Glycyrrhetinic acid (MPDGHEJMBKOTSU-YKLVYJNSSA-N) 1-3-Dimethyl-2-imidazolidinon (CYSGHNMQYZDMIA-UHFFFAOYSA-N) 1-(3-Chlorophenyl)-piperazin (VHFVKMTVMIZMIK-UHFFFAOYSA-N) 2 -3 -di-O-acetyl-5 -deoxy-5-fluorocytidin (NWJBWNIUGNXJGO-RPULLILYSA-N)