Variables: concentration Keywords: pharmaceutical sewer overflows accumulation pesticide Substances: 1.3-benzothiazole-2-sulfonate (ZCXGMSGCBDSEOY-UHFFFAOYSA-N) mecoprop (WNTGYJSOUMFZEP-UHFFFAOYSA-N) terbutryn (IROINLKCQGIITA-UHFFFAOYSA-N)