Substances: carbamazepine (FFGPTBGBLSHEPO-UHFFFAOYSA-N) 2.4-D (OVSKIKFHRZPJSS-UHFFFAOYSA-N) benzotriazole (QRUDEWIWKLJBPS-UHFFFAOYSA-N) terbutryn (IROINLKCQGIITA-UHFFFAOYSA-N) Keywords: Chemcatcher monitoring