Variables: dissolved_oygen total_organic_carbon electric_conductivity concentration Substances: 1-Naphthylacetic acid (PRPINYUDVPFIRX-UHFFFAOYSA-N) 2-Methyl-4-isothiazolin-3-one (BEGLCMHJXHIJLR-UHFFFAOYSA-N) Keywords: high resolution mass spectrometry micropollutants monitoring