Keywords: monitoring polar organic pollutant pesticide Substances: carbendazim (TWFZGCMQGLPBSX-UHFFFAOYSA-N) carbamazepine (FFGPTBGBLSHEPO-UHFFFAOYSA-N) mecoprop (WNTGYJSOUMFZEP-UHFFFAOYSA-N) diazinon (FHIVAFMUCKRCQO-UHFFFAOYSA-N) diclofenac (DCOPUUMXTXDBNB-UHFFFAOYSA-N) terbutryn (IROINLKCQGIITA-UHFFFAOYSA-N)