Keywords: micropollutants monitoring Substances: 4-Hydroxy Diclofenac (KGVXVPRLBMWZLG-UHFFFAOYSA-N) 2-Methyl-4-isothiazolin-3-one (BEGLCMHJXHIJLR-UHFFFAOYSA-N) Acetamipride (WCXDHFDTOYPNIE-RIYZIHGNSA-N)