Variables: dissolved_organic_carbon concentration electric_conductivity pH Keywords: micropollutants high resolution mass spectrometry pesticides metabolites Substances: 1-3-Dimethyl-2-imidazolidinon (CYSGHNMQYZDMIA-UHFFFAOYSA-N) 1-Naphthylacetic acid (PRPINYUDVPFIRX-UHFFFAOYSA-N)