Keywords: micropollutants Substances: 4-Hydroxy-Benzotriazole (NPZTUJOABDZTLV-UHFFFAOYSA-N) Acetochlor-ESA (HXAIQOCRALNGKB-UHFFFAOYSA-N) 5-Fluoro Cytosine (XRECTZIEBJDKEO-UHFFFAOYSA-N)