Variables: concentration Substances: mecoprop (WNTGYJSOUMFZEP-UHFFFAOYSA-N) diazinon (FHIVAFMUCKRCQO-UHFFFAOYSA-N) terbutryn (IROINLKCQGIITA-UHFFFAOYSA-N) Systems: flow channel experimental hall Keywords: Chemcatcher pharmaceutical sewer overflows monitoring polar organic pollutant pesticide