Keywords: Chemcatcher monitoring Substances: carbamazepine (FFGPTBGBLSHEPO-UHFFFAOYSA-N) carbendazim (TWFZGCMQGLPBSX-UHFFFAOYSA-N) diuron (XMTQQYYKAHVGBJ-UHFFFAOYSA-N) terbutryn (IROINLKCQGIITA-UHFFFAOYSA-N)